Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/misc/cardreader/Makefile b/drivers/misc/cardreader/Makefile
index d9bff5a..8951284 100644
--- a/drivers/misc/cardreader/Makefile
+++ b/drivers/misc/cardreader/Makefile
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_MISC_ALCOR_PCI)	+= alcor_pci.o
 obj-$(CONFIG_MISC_RTSX_PCI)	+= rtsx_pci.o
-rtsx_pci-objs := rtsx_pcr.o rts5209.o rts5229.o rtl8411.o rts5227.o rts5249.o rts5260.o
+rtsx_pci-objs := rtsx_pcr.o rts5209.o rts5229.o rtl8411.o rts5227.o rts5249.o rts5260.o rts5261.o rts5228.o
 obj-$(CONFIG_MISC_RTSX_USB)	+= rtsx_usb.o
diff --git a/drivers/misc/cardreader/alcor_pci.c b/drivers/misc/cardreader/alcor_pci.c
index 1fadb95..de6d44a 100644
--- a/drivers/misc/cardreader/alcor_pci.c
+++ b/drivers/misc/cardreader/alcor_pci.c
@@ -38,12 +38,18 @@
 	.dma = 1,
 };
 
+static const struct alcor_dev_cfg au6625_cfg = {
+	.dma = 0,
+};
+
 static const struct pci_device_id pci_ids[] = {
 	{ PCI_DEVICE(PCI_ID_ALCOR_MICRO, PCI_ID_AU6601),
 		.driver_data = (kernel_ulong_t)&alcor_cfg },
 	{ PCI_DEVICE(PCI_ID_ALCOR_MICRO, PCI_ID_AU6621),
 		.driver_data = (kernel_ulong_t)&au6621_cfg },
-	{ },
+	{ PCI_DEVICE(PCI_ID_ALCOR_MICRO, PCI_ID_AU6625),
+		.driver_data = (kernel_ulong_t)&au6625_cfg },
+	{},
 };
 MODULE_DEVICE_TABLE(pci, pci_ids);
 
diff --git a/drivers/misc/cardreader/rtl8411.c b/drivers/misc/cardreader/rtl8411.c
index 489ebe9..a07674e 100644
--- a/drivers/misc/cardreader/rtl8411.c
+++ b/drivers/misc/cardreader/rtl8411.c
@@ -37,10 +37,11 @@
 
 static void rtl8411_fetch_vendor_settings(struct rtsx_pcr *pcr)
 {
+	struct pci_dev *pdev = pcr->pci;
 	u32 reg1 = 0;
 	u8 reg3 = 0;
 
-	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg1);
+	pci_read_config_dword(pdev, PCR_SETTING_REG1, &reg1);
 	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg1);
 
 	if (!rtsx_vendor_setting_valid(reg1))
@@ -52,16 +53,17 @@
 	pcr->card_drive_sel &= 0x3F;
 	pcr->card_drive_sel |= rtsx_reg_to_card_drive_sel(reg1);
 
-	rtsx_pci_read_config_byte(pcr, PCR_SETTING_REG3, &reg3);
+	pci_read_config_byte(pdev, PCR_SETTING_REG3, &reg3);
 	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG3, reg3);
 	pcr->sd30_drive_sel_3v3 = rtl8411_reg_to_sd30_drive_sel_3v3(reg3);
 }
 
 static void rtl8411b_fetch_vendor_settings(struct rtsx_pcr *pcr)
 {
+	struct pci_dev *pdev = pcr->pci;
 	u32 reg = 0;
 
-	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
+	pci_read_config_dword(pdev, PCR_SETTING_REG1, &reg);
 	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
 
 	if (!rtsx_vendor_setting_valid(reg))
diff --git a/drivers/misc/cardreader/rts5209.c b/drivers/misc/cardreader/rts5209.c
index 6590561..39a6a7e 100644
--- a/drivers/misc/cardreader/rts5209.c
+++ b/drivers/misc/cardreader/rts5209.c
@@ -23,9 +23,10 @@
 
 static void rts5209_fetch_vendor_settings(struct rtsx_pcr *pcr)
 {
+	struct pci_dev *pdev = pcr->pci;
 	u32 reg;
 
-	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
+	pci_read_config_dword(pdev, PCR_SETTING_REG1, &reg);
 	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
 
 	if (rts5209_vendor_setting1_valid(reg)) {
@@ -34,7 +35,7 @@
 		pcr->aspm_en = rts5209_reg_to_aspm(reg);
 	}
 
-	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, &reg);
+	pci_read_config_dword(pdev, PCR_SETTING_REG2, &reg);
 	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
 
 	if (rts5209_vendor_setting2_valid(reg)) {
diff --git a/drivers/misc/cardreader/rts5227.c b/drivers/misc/cardreader/rts5227.c
index c3e3907..8200af2 100644
--- a/drivers/misc/cardreader/rts5227.c
+++ b/drivers/misc/cardreader/rts5227.c
@@ -56,9 +56,10 @@
 
 static void rts5227_fetch_vendor_settings(struct rtsx_pcr *pcr)
 {
+	struct pci_dev *pdev = pcr->pci;
 	u32 reg;
 
-	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
+	pci_read_config_dword(pdev, PCR_SETTING_REG1, &reg);
 	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
 
 	if (!rtsx_vendor_setting_valid(reg))
@@ -69,30 +70,82 @@
 	pcr->card_drive_sel &= 0x3F;
 	pcr->card_drive_sel |= rtsx_reg_to_card_drive_sel(reg);
 
-	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, &reg);
+	pci_read_config_dword(pdev, PCR_SETTING_REG2, &reg);
 	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
+	if (rtsx_check_mmc_support(reg))
+		pcr->extra_caps |= EXTRA_CAPS_NO_MMC;
 	pcr->sd30_drive_sel_3v3 = rtsx_reg_to_sd30_drive_sel_3v3(reg);
 	if (rtsx_reg_check_reverse_socket(reg))
 		pcr->flags |= PCR_REVERSE_SOCKET;
 }
 
-static void rts5227_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
+static void rts5227_init_from_cfg(struct rtsx_pcr *pcr)
 {
-	/* Set relink_time to 0 */
-	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, 0xFF, 0);
-	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, 0xFF, 0);
-	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3, 0x01, 0);
+	struct pci_dev *pdev = pcr->pci;
+	int l1ss;
+	u32 lval;
+	struct rtsx_cr_option *option = &pcr->option;
 
-	if (pm_state == HOST_ENTER_S3)
-		rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x10);
+	l1ss = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_L1SS);
+	if (!l1ss)
+		return;
 
-	rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
+	pci_read_config_dword(pdev, l1ss + PCI_L1SS_CTL1, &lval);
+
+	if (CHK_PCI_PID(pcr, 0x522A)) {
+		if (0 == (lval & 0x0F))
+			rtsx_pci_enable_oobs_polling(pcr);
+		else
+			rtsx_pci_disable_oobs_polling(pcr);
+	}
+
+	if (lval & PCI_L1SS_CTL1_ASPM_L1_1)
+		rtsx_set_dev_flag(pcr, ASPM_L1_1_EN);
+	else
+		rtsx_clear_dev_flag(pcr, ASPM_L1_1_EN);
+
+	if (lval & PCI_L1SS_CTL1_ASPM_L1_2)
+		rtsx_set_dev_flag(pcr, ASPM_L1_2_EN);
+	else
+		rtsx_clear_dev_flag(pcr, ASPM_L1_2_EN);
+
+	if (lval & PCI_L1SS_CTL1_PCIPM_L1_1)
+		rtsx_set_dev_flag(pcr, PM_L1_1_EN);
+	else
+		rtsx_clear_dev_flag(pcr, PM_L1_1_EN);
+
+	if (lval & PCI_L1SS_CTL1_PCIPM_L1_2)
+		rtsx_set_dev_flag(pcr, PM_L1_2_EN);
+	else
+		rtsx_clear_dev_flag(pcr, PM_L1_2_EN);
+
+	if (option->ltr_en) {
+		u16 val;
+
+		pcie_capability_read_word(pcr->pci, PCI_EXP_DEVCTL2, &val);
+		if (val & PCI_EXP_DEVCTL2_LTR_EN) {
+			option->ltr_enabled = true;
+			option->ltr_active = true;
+			rtsx_set_ltr_latency(pcr, option->ltr_active_latency);
+		} else {
+			option->ltr_enabled = false;
+		}
+	}
+
+	if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN
+				| PM_L1_1_EN | PM_L1_2_EN))
+		option->force_clkreq_0 = false;
+	else
+		option->force_clkreq_0 = true;
+
 }
 
 static int rts5227_extra_init_hw(struct rtsx_pcr *pcr)
 {
 	u16 cap;
+	struct rtsx_cr_option *option = &pcr->option;
 
+	rts5227_init_from_cfg(pcr);
 	rtsx_pci_init_cmd(pcr);
 
 	/* Configure GPIO as output */
@@ -114,9 +167,17 @@
 	rts5227_fill_driving(pcr, OUTPUT_3V3);
 	/* Configure force_clock_req */
 	if (pcr->flags & PCR_REVERSE_SOCKET)
-		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB8, 0xB8);
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0x30, 0x30);
 	else
-		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB8, 0x88);
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0x30, 0x00);
+
+	if (option->force_clkreq_0)
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,
+				FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
+	else
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,
+				FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);
+
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, pcr->reg_pm_ctrl3, 0x10, 0x00);
 
 	return rtsx_pci_send_cmd(pcr, 100);
@@ -238,7 +299,6 @@
 	.switch_output_voltage = rts5227_switch_output_voltage,
 	.cd_deglitch = NULL,
 	.conv_clk_and_div_n = NULL,
-	.force_power_down = rts5227_force_power_down,
 };
 
 /* SD Pull Control Enable:
@@ -377,6 +437,27 @@
 	return rtsx_pci_send_cmd(pcr, 100);
 }
 
+static void rts522a_set_l1off_cfg_sub_d0(struct rtsx_pcr *pcr, int active)
+{
+	struct rtsx_cr_option *option = &pcr->option;
+	int aspm_L1_1, aspm_L1_2;
+	u8 val = 0;
+
+	aspm_L1_1 = rtsx_check_dev_flag(pcr, ASPM_L1_1_EN);
+	aspm_L1_2 = rtsx_check_dev_flag(pcr, ASPM_L1_2_EN);
+
+	if (active) {
+		/* run, latency: 60us */
+		if (aspm_L1_1)
+			val = option->ltr_l1off_snooze_sspwrgate;
+	} else {
+		/* l1off, latency: 300us */
+		if (aspm_L1_2)
+			val = option->ltr_l1off_sspwrgate;
+	}
+
+	rtsx_set_l1off_sub(pcr, val);
+}
 
 /* rts522a operations mainly derived from rts5227, except phy/hw init setting.
  */
@@ -393,16 +474,29 @@
 	.switch_output_voltage = rts522a_switch_output_voltage,
 	.cd_deglitch = NULL,
 	.conv_clk_and_div_n = NULL,
-	.force_power_down = rts5227_force_power_down,
+	.set_l1off_cfg_sub_d0 = rts522a_set_l1off_cfg_sub_d0,
 };
 
 void rts522a_init_params(struct rtsx_pcr *pcr)
 {
+	struct rtsx_cr_option *option = &pcr->option;
+
 	rts5227_init_params(pcr);
 	pcr->ops = &rts522a_pcr_ops;
 	pcr->tx_initial_phase = SET_CLOCK_PHASE(20, 20, 11);
 	pcr->reg_pm_ctrl3 = RTS522A_PM_CTRL3;
 
+	option->dev_flags = LTR_L1SS_PWR_GATE_EN;
+	option->ltr_en = true;
+
+	/* init latency of active, idle, L1OFF to 60us, 300us, 3ms */
+	option->ltr_active_latency = LTR_ACTIVE_LATENCY_DEF;
+	option->ltr_idle_latency = LTR_IDLE_LATENCY_DEF;
+	option->ltr_l1off_latency = LTR_L1OFF_LATENCY_DEF;
+	option->l1_snooze_delay = L1_SNOOZE_DELAY_DEF;
+	option->ltr_l1off_sspwrgate = 0x7F;
+	option->ltr_l1off_snooze_sspwrgate = 0x78;
+
 	pcr->option.ocp_en = 1;
 	if (pcr->option.ocp_en)
 		pcr->hw_param.interrupt_en |= SD_OC_INT_EN;
diff --git a/drivers/misc/cardreader/rts5228.c b/drivers/misc/cardreader/rts5228.c
new file mode 100644
index 0000000..781a86d
--- /dev/null
+++ b/drivers/misc/cardreader/rts5228.c
@@ -0,0 +1,746 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Driver for Realtek PCI-Express card reader
+ *
+ * Copyright(c) 2018-2019 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * Author:
+ *   Ricky WU <ricky_wu@realtek.com>
+ *   Rui FENG <rui_feng@realsil.com.cn>
+ *   Wei WANG <wei_wang@realsil.com.cn>
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/rtsx_pci.h>
+
+#include "rts5228.h"
+#include "rtsx_pcr.h"
+
+static u8 rts5228_get_ic_version(struct rtsx_pcr *pcr)
+{
+	u8 val;
+
+	rtsx_pci_read_register(pcr, DUMMY_REG_RESET_0, &val);
+	return val & IC_VERSION_MASK;
+}
+
+static void rts5228_fill_driving(struct rtsx_pcr *pcr, u8 voltage)
+{
+	u8 driving_3v3[4][3] = {
+		{0x13, 0x13, 0x13},
+		{0x96, 0x96, 0x96},
+		{0x7F, 0x7F, 0x7F},
+		{0x96, 0x96, 0x96},
+	};
+	u8 driving_1v8[4][3] = {
+		{0x99, 0x99, 0x99},
+		{0xB5, 0xB5, 0xB5},
+		{0xE6, 0x7E, 0xFE},
+		{0x6B, 0x6B, 0x6B},
+	};
+	u8 (*driving)[3], drive_sel;
+
+	if (voltage == OUTPUT_3V3) {
+		driving = driving_3v3;
+		drive_sel = pcr->sd30_drive_sel_3v3;
+	} else {
+		driving = driving_1v8;
+		drive_sel = pcr->sd30_drive_sel_1v8;
+	}
+
+	rtsx_pci_write_register(pcr, SD30_CLK_DRIVE_SEL,
+			 0xFF, driving[drive_sel][0]);
+
+	rtsx_pci_write_register(pcr, SD30_CMD_DRIVE_SEL,
+			 0xFF, driving[drive_sel][1]);
+
+	rtsx_pci_write_register(pcr, SD30_DAT_DRIVE_SEL,
+			 0xFF, driving[drive_sel][2]);
+}
+
+static void rtsx5228_fetch_vendor_settings(struct rtsx_pcr *pcr)
+{
+	struct pci_dev *pdev = pcr->pci;
+	u32 reg;
+
+	/* 0x724~0x727 */
+	pci_read_config_dword(pdev, PCR_SETTING_REG1, &reg);
+	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
+
+	if (!rtsx_vendor_setting_valid(reg)) {
+		pcr_dbg(pcr, "skip fetch vendor setting\n");
+		return;
+	}
+	pcr->sd30_drive_sel_1v8 = rtsx_reg_to_sd30_drive_sel_1v8(reg);
+	pcr->aspm_en = rtsx_reg_to_aspm(reg);
+
+	/* 0x814~0x817 */
+	pci_read_config_dword(pdev, PCR_SETTING_REG2, &reg);
+	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
+
+	pcr->rtd3_en = rtsx_reg_to_rtd3(reg);
+	if (rtsx_check_mmc_support(reg))
+		pcr->extra_caps |= EXTRA_CAPS_NO_MMC;
+	pcr->sd30_drive_sel_3v3 = rtsx_reg_to_sd30_drive_sel_3v3(reg);
+	if (rtsx_reg_check_reverse_socket(reg))
+		pcr->flags |= PCR_REVERSE_SOCKET;
+}
+
+static int rts5228_optimize_phy(struct rtsx_pcr *pcr)
+{
+	return rtsx_pci_write_phy_register(pcr, 0x07, 0x8F40);
+}
+
+static void rts5228_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
+{
+	/* Set relink_time to 0 */
+	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, MASK_8_BIT_DEF, 0);
+	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, MASK_8_BIT_DEF, 0);
+	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3,
+				RELINK_TIME_MASK, 0);
+
+	rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3,
+			D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);
+
+	rtsx_pci_write_register(pcr, FPDCTL,
+		SSC_POWER_DOWN, SSC_POWER_DOWN);
+}
+
+static int rts5228_enable_auto_blink(struct rtsx_pcr *pcr)
+{
+	return rtsx_pci_write_register(pcr, OLT_LED_CTL,
+		LED_SHINE_MASK, LED_SHINE_EN);
+}
+
+static int rts5228_disable_auto_blink(struct rtsx_pcr *pcr)
+{
+	return rtsx_pci_write_register(pcr, OLT_LED_CTL,
+		LED_SHINE_MASK, LED_SHINE_DISABLE);
+}
+
+static int rts5228_turn_on_led(struct rtsx_pcr *pcr)
+{
+	return rtsx_pci_write_register(pcr, GPIO_CTL,
+		0x02, 0x02);
+}
+
+static int rts5228_turn_off_led(struct rtsx_pcr *pcr)
+{
+	return rtsx_pci_write_register(pcr, GPIO_CTL,
+		0x02, 0x00);
+}
+
+/* SD Pull Control Enable:
+ *     SD_DAT[3:0] ==> pull up
+ *     SD_CD       ==> pull up
+ *     SD_WP       ==> pull up
+ *     SD_CMD      ==> pull up
+ *     SD_CLK      ==> pull down
+ */
+static const u32 rts5228_sd_pull_ctl_enable_tbl[] = {
+	RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA),
+	RTSX_REG_PAIR(CARD_PULL_CTL3, 0xE9),
+	0,
+};
+
+/* SD Pull Control Disable:
+ *     SD_DAT[3:0] ==> pull down
+ *     SD_CD       ==> pull up
+ *     SD_WP       ==> pull down
+ *     SD_CMD      ==> pull down
+ *     SD_CLK      ==> pull down
+ */
+static const u32 rts5228_sd_pull_ctl_disable_tbl[] = {
+	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
+	RTSX_REG_PAIR(CARD_PULL_CTL3, 0xD5),
+	0,
+};
+
+static int rts5228_sd_set_sample_push_timing_sd30(struct rtsx_pcr *pcr)
+{
+	rtsx_pci_write_register(pcr, SD_CFG1, SD_MODE_SELECT_MASK
+		| SD_ASYNC_FIFO_NOT_RST, SD_30_MODE | SD_ASYNC_FIFO_NOT_RST);
+	rtsx_pci_write_register(pcr, CLK_CTL, CLK_LOW_FREQ, CLK_LOW_FREQ);
+	rtsx_pci_write_register(pcr, CARD_CLK_SOURCE, 0xFF,
+			CRC_VAR_CLK0 | SD30_FIX_CLK | SAMPLE_VAR_CLK1);
+	rtsx_pci_write_register(pcr, CLK_CTL, CLK_LOW_FREQ, 0);
+
+	return 0;
+}
+
+static int rts5228_card_power_on(struct rtsx_pcr *pcr, int card)
+{
+	struct rtsx_cr_option *option = &pcr->option;
+
+	if (option->ocp_en)
+		rtsx_pci_enable_ocp(pcr);
+
+	rtsx_pci_write_register(pcr, REG_CRC_DUMMY_0,
+			CFG_SD_POW_AUTO_PD, CFG_SD_POW_AUTO_PD);
+
+	rtsx_pci_write_register(pcr, RTS5228_LDO1_CFG1,
+			RTS5228_LDO1_TUNE_MASK, RTS5228_LDO1_33);
+
+	rtsx_pci_write_register(pcr, RTS5228_LDO1233318_POW_CTL,
+			RTS5228_LDO1_POWERON_MASK, RTS5228_LDO1_SOFTSTART);
+	mdelay(2);
+	rtsx_pci_write_register(pcr, RTS5228_LDO1233318_POW_CTL,
+			RTS5228_LDO1_POWERON_MASK, RTS5228_LDO1_FULLON);
+
+
+	rtsx_pci_write_register(pcr, RTS5228_LDO1233318_POW_CTL,
+			RTS5228_LDO3318_POWERON, RTS5228_LDO3318_POWERON);
+
+	msleep(20);
+
+	rtsx_pci_write_register(pcr, CARD_OE, SD_OUTPUT_EN, SD_OUTPUT_EN);
+
+	/* Initialize SD_CFG1 register */
+	rtsx_pci_write_register(pcr, SD_CFG1, 0xFF,
+			SD_CLK_DIVIDE_128 | SD_20_MODE | SD_BUS_WIDTH_1BIT);
+
+	rtsx_pci_write_register(pcr, SD_SAMPLE_POINT_CTL,
+			0xFF, SD20_RX_POS_EDGE);
+	rtsx_pci_write_register(pcr, SD_PUSH_POINT_CTL, 0xFF, 0);
+	rtsx_pci_write_register(pcr, CARD_STOP, SD_STOP | SD_CLR_ERR,
+			SD_STOP | SD_CLR_ERR);
+
+	/* Reset SD_CFG3 register */
+	rtsx_pci_write_register(pcr, SD_CFG3, SD30_CLK_END_EN, 0);
+	rtsx_pci_write_register(pcr, REG_SD_STOP_SDCLK_CFG,
+			SD30_CLK_STOP_CFG_EN | SD30_CLK_STOP_CFG1 |
+			SD30_CLK_STOP_CFG0, 0);
+
+	if (pcr->extra_caps & EXTRA_CAPS_SD_SDR50 ||
+	    pcr->extra_caps & EXTRA_CAPS_SD_SDR104)
+		rts5228_sd_set_sample_push_timing_sd30(pcr);
+
+	return 0;
+}
+
+static int rts5228_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+	int err;
+	u16 val = 0;
+
+	rtsx_pci_write_register(pcr, RTS5228_CARD_PWR_CTL,
+			RTS5228_PUPDC, RTS5228_PUPDC);
+
+	switch (voltage) {
+	case OUTPUT_3V3:
+		rtsx_pci_read_phy_register(pcr, PHY_TUNE, &val);
+		val |= PHY_TUNE_SDBUS_33;
+		err = rtsx_pci_write_phy_register(pcr, PHY_TUNE, val);
+		if (err < 0)
+			return err;
+
+		rtsx_pci_write_register(pcr, RTS5228_DV3318_CFG,
+				RTS5228_DV3318_TUNE_MASK, RTS5228_DV3318_33);
+		rtsx_pci_write_register(pcr, SD_PAD_CTL,
+				SD_IO_USING_1V8, 0);
+		break;
+	case OUTPUT_1V8:
+		rtsx_pci_read_phy_register(pcr, PHY_TUNE, &val);
+		val &= ~PHY_TUNE_SDBUS_33;
+		err = rtsx_pci_write_phy_register(pcr, PHY_TUNE, val);
+		if (err < 0)
+			return err;
+
+		rtsx_pci_write_register(pcr, RTS5228_DV3318_CFG,
+				RTS5228_DV3318_TUNE_MASK, RTS5228_DV3318_18);
+		rtsx_pci_write_register(pcr, SD_PAD_CTL,
+				SD_IO_USING_1V8, SD_IO_USING_1V8);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* set pad drive */
+	rts5228_fill_driving(pcr, voltage);
+
+	return 0;
+}
+
+static void rts5228_stop_cmd(struct rtsx_pcr *pcr)
+{
+	rtsx_pci_writel(pcr, RTSX_HCBCTLR, STOP_CMD);
+	rtsx_pci_writel(pcr, RTSX_HDBCTLR, STOP_DMA);
+	rtsx_pci_write_register(pcr, RTS5260_DMA_RST_CTL_0,
+				RTS5260_DMA_RST | RTS5260_ADMA3_RST,
+				RTS5260_DMA_RST | RTS5260_ADMA3_RST);
+	rtsx_pci_write_register(pcr, RBCTL, RB_FLUSH, RB_FLUSH);
+}
+
+static void rts5228_card_before_power_off(struct rtsx_pcr *pcr)
+{
+	rts5228_stop_cmd(pcr);
+	rts5228_switch_output_voltage(pcr, OUTPUT_3V3);
+}
+
+static void rts5228_enable_ocp(struct rtsx_pcr *pcr)
+{
+	u8 val = 0;
+
+	val = SD_OCP_INT_EN | SD_DETECT_EN;
+	rtsx_pci_write_register(pcr, REG_OCPCTL, 0xFF, val);
+	rtsx_pci_write_register(pcr, RTS5228_LDO1_CFG0,
+			RTS5228_LDO1_OCP_EN | RTS5228_LDO1_OCP_LMT_EN,
+			RTS5228_LDO1_OCP_EN | RTS5228_LDO1_OCP_LMT_EN);
+}
+
+static void rts5228_disable_ocp(struct rtsx_pcr *pcr)
+{
+	u8 mask = 0;
+
+	mask = SD_OCP_INT_EN | SD_DETECT_EN;
+	rtsx_pci_write_register(pcr, REG_OCPCTL, mask, 0);
+	rtsx_pci_write_register(pcr, RTS5228_LDO1_CFG0,
+			RTS5228_LDO1_OCP_EN | RTS5228_LDO1_OCP_LMT_EN, 0);
+}
+
+static int rts5228_card_power_off(struct rtsx_pcr *pcr, int card)
+{
+	int err = 0;
+
+	rts5228_card_before_power_off(pcr);
+	err = rtsx_pci_write_register(pcr, RTS5228_LDO1233318_POW_CTL,
+				RTS5228_LDO_POWERON_MASK, 0);
+	rtsx_pci_write_register(pcr, REG_CRC_DUMMY_0, CFG_SD_POW_AUTO_PD, 0);
+
+	if (pcr->option.ocp_en)
+		rtsx_pci_disable_ocp(pcr);
+
+	return err;
+}
+
+static void rts5228_init_ocp(struct rtsx_pcr *pcr)
+{
+	struct rtsx_cr_option *option = &pcr->option;
+
+	if (option->ocp_en) {
+		u8 mask, val;
+
+		rtsx_pci_write_register(pcr, RTS5228_LDO1_CFG0,
+			RTS5228_LDO1_OCP_EN | RTS5228_LDO1_OCP_LMT_EN,
+			RTS5228_LDO1_OCP_EN | RTS5228_LDO1_OCP_LMT_EN);
+
+		rtsx_pci_write_register(pcr, RTS5228_LDO1_CFG0,
+			RTS5228_LDO1_OCP_THD_MASK, option->sd_800mA_ocp_thd);
+
+		rtsx_pci_write_register(pcr, RTS5228_LDO1_CFG0,
+			RTS5228_LDO1_OCP_LMT_THD_MASK,
+			RTS5228_LDO1_LMT_THD_1500);
+
+		rtsx_pci_read_register(pcr, RTS5228_LDO1_CFG0, &val);
+
+		mask = SD_OCP_GLITCH_MASK;
+		val = pcr->hw_param.ocp_glitch;
+		rtsx_pci_write_register(pcr, REG_OCPGLITCH, mask, val);
+
+		rts5228_enable_ocp(pcr);
+
+	} else {
+		rtsx_pci_write_register(pcr, RTS5228_LDO1_CFG0,
+			RTS5228_LDO1_OCP_EN | RTS5228_LDO1_OCP_LMT_EN, 0);
+	}
+}
+
+static void rts5228_clear_ocpstat(struct rtsx_pcr *pcr)
+{
+	u8 mask = 0;
+	u8 val = 0;
+
+	mask = SD_OCP_INT_CLR | SD_OC_CLR;
+	val = SD_OCP_INT_CLR | SD_OC_CLR;
+
+	rtsx_pci_write_register(pcr, REG_OCPCTL, mask, val);
+
+	udelay(1000);
+	rtsx_pci_write_register(pcr, REG_OCPCTL, mask, 0);
+
+}
+
+static void rts5228_process_ocp(struct rtsx_pcr *pcr)
+{
+	if (!pcr->option.ocp_en)
+		return;
+
+	rtsx_pci_get_ocpstat(pcr, &pcr->ocp_stat);
+
+	if (pcr->ocp_stat & (SD_OC_NOW | SD_OC_EVER)) {
+		rts5228_clear_ocpstat(pcr);
+		rts5228_card_power_off(pcr, RTSX_SD_CARD);
+		rtsx_pci_write_register(pcr, CARD_OE, SD_OUTPUT_EN, 0);
+		pcr->ocp_stat = 0;
+	}
+
+}
+
+static void rts5228_init_from_cfg(struct rtsx_pcr *pcr)
+{
+	struct pci_dev *pdev = pcr->pci;
+	int l1ss;
+	u32 lval;
+	struct rtsx_cr_option *option = &pcr->option;
+
+	l1ss = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_L1SS);
+	if (!l1ss)
+		return;
+
+	pci_read_config_dword(pdev, l1ss + PCI_L1SS_CTL1, &lval);
+
+	if (0 == (lval & 0x0F))
+		rtsx_pci_enable_oobs_polling(pcr);
+	else
+		rtsx_pci_disable_oobs_polling(pcr);
+
+	if (lval & PCI_L1SS_CTL1_ASPM_L1_1)
+		rtsx_set_dev_flag(pcr, ASPM_L1_1_EN);
+	else
+		rtsx_clear_dev_flag(pcr, ASPM_L1_1_EN);
+
+	if (lval & PCI_L1SS_CTL1_ASPM_L1_2)
+		rtsx_set_dev_flag(pcr, ASPM_L1_2_EN);
+	else
+		rtsx_clear_dev_flag(pcr, ASPM_L1_2_EN);
+
+	if (lval & PCI_L1SS_CTL1_PCIPM_L1_1)
+		rtsx_set_dev_flag(pcr, PM_L1_1_EN);
+	else
+		rtsx_clear_dev_flag(pcr, PM_L1_1_EN);
+
+	if (lval & PCI_L1SS_CTL1_PCIPM_L1_2)
+		rtsx_set_dev_flag(pcr, PM_L1_2_EN);
+	else
+		rtsx_clear_dev_flag(pcr, PM_L1_2_EN);
+
+	rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, 0xFF, 0);
+	if (option->ltr_en) {
+		u16 val;
+
+		pcie_capability_read_word(pcr->pci, PCI_EXP_DEVCTL2, &val);
+		if (val & PCI_EXP_DEVCTL2_LTR_EN) {
+			option->ltr_enabled = true;
+			option->ltr_active = true;
+			rtsx_set_ltr_latency(pcr, option->ltr_active_latency);
+		} else {
+			option->ltr_enabled = false;
+		}
+	}
+
+	if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN
+				| PM_L1_1_EN | PM_L1_2_EN))
+		option->force_clkreq_0 = false;
+	else
+		option->force_clkreq_0 = true;
+}
+
+static int rts5228_extra_init_hw(struct rtsx_pcr *pcr)
+{
+	struct rtsx_cr_option *option = &pcr->option;
+
+	rtsx_pci_write_register(pcr, RTS5228_AUTOLOAD_CFG1,
+			CD_RESUME_EN_MASK, CD_RESUME_EN_MASK);
+
+	rts5228_init_from_cfg(pcr);
+
+	rtsx_pci_write_register(pcr, L1SUB_CONFIG1,
+			AUX_CLK_ACTIVE_SEL_MASK, MAC_CKSW_DONE);
+	rtsx_pci_write_register(pcr, L1SUB_CONFIG3, 0xFF, 0);
+
+	rtsx_pci_write_register(pcr, FUNC_FORCE_CTL,
+			FUNC_FORCE_UPME_XMT_DBG, FUNC_FORCE_UPME_XMT_DBG);
+
+	rtsx_pci_write_register(pcr, PCLK_CTL,
+			PCLK_MODE_SEL, PCLK_MODE_SEL);
+
+	rtsx_pci_write_register(pcr, PM_EVENT_DEBUG, PME_DEBUG_0, PME_DEBUG_0);
+	rtsx_pci_write_register(pcr, PM_CLK_FORCE_CTL, CLK_PM_EN, CLK_PM_EN);
+
+	/* LED shine disabled, set initial shine cycle period */
+	rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x0F, 0x02);
+
+	/* Configure driving */
+	rts5228_fill_driving(pcr, OUTPUT_3V3);
+
+	if (pcr->flags & PCR_REVERSE_SOCKET)
+		rtsx_pci_write_register(pcr, PETXCFG, 0x30, 0x30);
+	else
+		rtsx_pci_write_register(pcr, PETXCFG, 0x30, 0x00);
+
+	/*
+	 * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced
+	 * to drive low, and we forcibly request clock.
+	 */
+	if (option->force_clkreq_0)
+		rtsx_pci_write_register(pcr, PETXCFG,
+				 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
+	else
+		rtsx_pci_write_register(pcr, PETXCFG,
+				 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);
+
+	rtsx_pci_write_register(pcr, PWD_SUSPEND_EN, 0xFF, 0xFB);
+	rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x00);
+	rtsx_pci_write_register(pcr, RTS5228_REG_PME_FORCE_CTL,
+			FORCE_PM_CONTROL | FORCE_PM_VALUE, FORCE_PM_CONTROL);
+
+	return 0;
+}
+
+static void rts5228_enable_aspm(struct rtsx_pcr *pcr, bool enable)
+{
+	u8 mask, val;
+
+	if (pcr->aspm_enabled == enable)
+		return;
+
+	mask = FORCE_ASPM_VAL_MASK | FORCE_ASPM_CTL0 | FORCE_ASPM_CTL1;
+	val = FORCE_ASPM_CTL0 | FORCE_ASPM_CTL1;
+	val |= (pcr->aspm_en & 0x02);
+	rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, mask, val);
+	pcie_capability_clear_and_set_word(pcr->pci, PCI_EXP_LNKCTL,
+					   PCI_EXP_LNKCTL_ASPMC, pcr->aspm_en);
+	pcr->aspm_enabled = enable;
+}
+
+static void rts5228_disable_aspm(struct rtsx_pcr *pcr, bool enable)
+{
+	u8 mask, val;
+
+	if (pcr->aspm_enabled == enable)
+		return;
+
+	pcie_capability_clear_and_set_word(pcr->pci, PCI_EXP_LNKCTL,
+					   PCI_EXP_LNKCTL_ASPMC, 0);
+	mask = FORCE_ASPM_VAL_MASK | FORCE_ASPM_CTL0 | FORCE_ASPM_CTL1;
+	val = FORCE_ASPM_CTL0 | FORCE_ASPM_CTL1;
+	rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, mask, val);
+	rtsx_pci_write_register(pcr, SD_CFG1, SD_ASYNC_FIFO_NOT_RST, 0);
+	mdelay(10);
+	pcr->aspm_enabled = enable;
+}
+
+static void rts5228_set_aspm(struct rtsx_pcr *pcr, bool enable)
+{
+	if (enable)
+		rts5228_enable_aspm(pcr, true);
+	else
+		rts5228_disable_aspm(pcr, false);
+}
+
+static void rts5228_set_l1off_cfg_sub_d0(struct rtsx_pcr *pcr, int active)
+{
+	struct rtsx_cr_option *option = &pcr->option;
+	int aspm_L1_1, aspm_L1_2;
+	u8 val = 0;
+
+	aspm_L1_1 = rtsx_check_dev_flag(pcr, ASPM_L1_1_EN);
+	aspm_L1_2 = rtsx_check_dev_flag(pcr, ASPM_L1_2_EN);
+
+	if (active) {
+		/* run, latency: 60us */
+		if (aspm_L1_1)
+			val = option->ltr_l1off_snooze_sspwrgate;
+	} else {
+		/* l1off, latency: 300us */
+		if (aspm_L1_2)
+			val = option->ltr_l1off_sspwrgate;
+	}
+
+	rtsx_set_l1off_sub(pcr, val);
+}
+
+static const struct pcr_ops rts5228_pcr_ops = {
+	.fetch_vendor_settings = rtsx5228_fetch_vendor_settings,
+	.turn_on_led = rts5228_turn_on_led,
+	.turn_off_led = rts5228_turn_off_led,
+	.extra_init_hw = rts5228_extra_init_hw,
+	.enable_auto_blink = rts5228_enable_auto_blink,
+	.disable_auto_blink = rts5228_disable_auto_blink,
+	.card_power_on = rts5228_card_power_on,
+	.card_power_off = rts5228_card_power_off,
+	.switch_output_voltage = rts5228_switch_output_voltage,
+	.force_power_down = rts5228_force_power_down,
+	.stop_cmd = rts5228_stop_cmd,
+	.set_aspm = rts5228_set_aspm,
+	.set_l1off_cfg_sub_d0 = rts5228_set_l1off_cfg_sub_d0,
+	.enable_ocp = rts5228_enable_ocp,
+	.disable_ocp = rts5228_disable_ocp,
+	.init_ocp = rts5228_init_ocp,
+	.process_ocp = rts5228_process_ocp,
+	.clear_ocpstat = rts5228_clear_ocpstat,
+	.optimize_phy = rts5228_optimize_phy,
+};
+
+
+static inline u8 double_ssc_depth(u8 depth)
+{
+	return ((depth > 1) ? (depth - 1) : depth);
+}
+
+int rts5228_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
+		u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk)
+{
+	int err, clk;
+	u16 n;
+	u8 clk_divider, mcu_cnt, div;
+	static const u8 depth[] = {
+		[RTSX_SSC_DEPTH_4M] = RTS5228_SSC_DEPTH_4M,
+		[RTSX_SSC_DEPTH_2M] = RTS5228_SSC_DEPTH_2M,
+		[RTSX_SSC_DEPTH_1M] = RTS5228_SSC_DEPTH_1M,
+		[RTSX_SSC_DEPTH_500K] = RTS5228_SSC_DEPTH_512K,
+	};
+
+	if (initial_mode) {
+		/* We use 250k(around) here, in initial stage */
+		clk_divider = SD_CLK_DIVIDE_128;
+		card_clock = 30000000;
+	} else {
+		clk_divider = SD_CLK_DIVIDE_0;
+	}
+	err = rtsx_pci_write_register(pcr, SD_CFG1,
+			SD_CLK_DIVIDE_MASK, clk_divider);
+	if (err < 0)
+		return err;
+
+	card_clock /= 1000000;
+	pcr_dbg(pcr, "Switch card clock to %dMHz\n", card_clock);
+
+	clk = card_clock;
+	if (!initial_mode && double_clk)
+		clk = card_clock * 2;
+	pcr_dbg(pcr, "Internal SSC clock: %dMHz (cur_clock = %d)\n",
+		clk, pcr->cur_clock);
+
+	if (clk == pcr->cur_clock)
+		return 0;
+
+	if (pcr->ops->conv_clk_and_div_n)
+		n = pcr->ops->conv_clk_and_div_n(clk, CLK_TO_DIV_N);
+	else
+		n = clk - 4;
+	if ((clk <= 4) || (n > 396))
+		return -EINVAL;
+
+	mcu_cnt = 125/clk + 3;
+	if (mcu_cnt > 15)
+		mcu_cnt = 15;
+
+	div = CLK_DIV_1;
+	while ((n < MIN_DIV_N_PCR - 4) && (div < CLK_DIV_8)) {
+		if (pcr->ops->conv_clk_and_div_n) {
+			int dbl_clk = pcr->ops->conv_clk_and_div_n(n,
+					DIV_N_TO_CLK) * 2;
+			n = pcr->ops->conv_clk_and_div_n(dbl_clk,
+					CLK_TO_DIV_N);
+		} else {
+			n = (n + 4) * 2 - 4;
+		}
+		div++;
+	}
+
+	n = (n / 2) - 1;
+	pcr_dbg(pcr, "n = %d, div = %d\n", n, div);
+
+	ssc_depth = depth[ssc_depth];
+	if (double_clk)
+		ssc_depth = double_ssc_depth(ssc_depth);
+
+	if (ssc_depth) {
+		if (div == CLK_DIV_2) {
+			if (ssc_depth > 1)
+				ssc_depth -= 1;
+			else
+				ssc_depth = RTS5228_SSC_DEPTH_8M;
+		} else if (div == CLK_DIV_4) {
+			if (ssc_depth > 2)
+				ssc_depth -= 2;
+			else
+				ssc_depth = RTS5228_SSC_DEPTH_8M;
+		} else if (div == CLK_DIV_8) {
+			if (ssc_depth > 3)
+				ssc_depth -= 3;
+			else
+				ssc_depth = RTS5228_SSC_DEPTH_8M;
+		}
+	} else {
+		ssc_depth = 0;
+	}
+	pcr_dbg(pcr, "ssc_depth = %d\n", ssc_depth);
+
+	rtsx_pci_init_cmd(pcr);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CLK_CTL,
+				CLK_LOW_FREQ, CLK_LOW_FREQ);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CLK_DIV,
+			0xFF, (div << 4) | mcu_cnt);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SSC_CTL1, SSC_RSTB, 0);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SSC_CTL2,
+			SSC_DEPTH_MASK, ssc_depth);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SSC_DIV_N_0, 0xFF, n);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SSC_CTL1, SSC_RSTB, SSC_RSTB);
+	if (vpclk) {
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_VPCLK0_CTL,
+				PHASE_NOT_RESET, 0);
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_VPCLK1_CTL,
+				PHASE_NOT_RESET, 0);
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_VPCLK0_CTL,
+				PHASE_NOT_RESET, PHASE_NOT_RESET);
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_VPCLK1_CTL,
+				PHASE_NOT_RESET, PHASE_NOT_RESET);
+	}
+
+	err = rtsx_pci_send_cmd(pcr, 2000);
+	if (err < 0)
+		return err;
+
+	/* Wait SSC clock stable */
+	udelay(SSC_CLOCK_STABLE_WAIT);
+	err = rtsx_pci_write_register(pcr, CLK_CTL, CLK_LOW_FREQ, 0);
+	if (err < 0)
+		return err;
+
+	pcr->cur_clock = clk;
+	return 0;
+
+}
+
+void rts5228_init_params(struct rtsx_pcr *pcr)
+{
+	struct rtsx_cr_option *option = &pcr->option;
+	struct rtsx_hw_param *hw_param = &pcr->hw_param;
+
+	pcr->extra_caps = EXTRA_CAPS_SD_SDR50 | EXTRA_CAPS_SD_SDR104;
+	pcr->num_slots = 1;
+	pcr->ops = &rts5228_pcr_ops;
+
+	pcr->flags = 0;
+	pcr->card_drive_sel = RTSX_CARD_DRIVE_DEFAULT;
+	pcr->sd30_drive_sel_1v8 = CFG_DRIVER_TYPE_B;
+	pcr->sd30_drive_sel_3v3 = CFG_DRIVER_TYPE_B;
+	pcr->aspm_en = ASPM_L1_EN;
+	pcr->tx_initial_phase = SET_CLOCK_PHASE(28, 27, 11);
+	pcr->rx_initial_phase = SET_CLOCK_PHASE(24, 6, 5);
+
+	pcr->ic_version = rts5228_get_ic_version(pcr);
+	pcr->sd_pull_ctl_enable_tbl = rts5228_sd_pull_ctl_enable_tbl;
+	pcr->sd_pull_ctl_disable_tbl = rts5228_sd_pull_ctl_disable_tbl;
+
+	pcr->reg_pm_ctrl3 = RTS5228_AUTOLOAD_CFG3;
+
+	option->dev_flags = (LTR_L1SS_PWR_GATE_CHECK_CARD_EN
+				| LTR_L1SS_PWR_GATE_EN);
+	option->ltr_en = true;
+
+	/* init latency of active, idle, L1OFF to 60us, 300us, 3ms */
+	option->ltr_active_latency = LTR_ACTIVE_LATENCY_DEF;
+	option->ltr_idle_latency = LTR_IDLE_LATENCY_DEF;
+	option->ltr_l1off_latency = LTR_L1OFF_LATENCY_DEF;
+	option->l1_snooze_delay = L1_SNOOZE_DELAY_DEF;
+	option->ltr_l1off_sspwrgate = 0x7F;
+	option->ltr_l1off_snooze_sspwrgate = 0x78;
+
+	option->ocp_en = 1;
+	hw_param->interrupt_en |= SD_OC_INT_EN;
+	hw_param->ocp_glitch =  SD_OCP_GLITCH_800U;
+	option->sd_800mA_ocp_thd =  RTS5228_LDO1_OCP_THD_930;
+}
diff --git a/drivers/misc/cardreader/rts5228.h b/drivers/misc/cardreader/rts5228.h
new file mode 100644
index 0000000..6a87224
--- /dev/null
+++ b/drivers/misc/cardreader/rts5228.h
@@ -0,0 +1,168 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Driver for Realtek PCI-Express card reader
+ *
+ * Copyright(c) 2018-2019 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * Author:
+ *   Ricky WU <ricky_wu@realtek.com>
+ *   Rui FENG <rui_feng@realsil.com.cn>
+ *   Wei WANG <wei_wang@realsil.com.cn>
+ */
+#ifndef RTS5228_H
+#define RTS5228_H
+
+
+#define RTS5228_AUTOLOAD_CFG0			0xFF7B
+#define RTS5228_AUTOLOAD_CFG1			0xFF7C
+#define RTS5228_AUTOLOAD_CFG2			0xFF7D
+#define RTS5228_AUTOLOAD_CFG3			0xFF7E
+#define RTS5228_AUTOLOAD_CFG4			0xFF7F
+
+#define RTS5228_REG_VREF			0xFE97
+#define RTS5228_PWD_SUSPND_EN			(1 << 4)
+
+#define RTS5228_PAD_H3L1			0xFF79
+#define PAD_GPIO_H3L1			(1 << 3)
+
+/* SSC_CTL2 0xFC12 */
+#define RTS5228_SSC_DEPTH_MASK		0x07
+#define RTS5228_SSC_DEPTH_DISALBE	0x00
+#define RTS5228_SSC_DEPTH_8M		0x01
+#define RTS5228_SSC_DEPTH_4M		0x02
+#define RTS5228_SSC_DEPTH_2M		0x03
+#define RTS5228_SSC_DEPTH_1M		0x04
+#define RTS5228_SSC_DEPTH_512K		0x05
+#define RTS5228_SSC_DEPTH_256K		0x06
+#define RTS5228_SSC_DEPTH_128K		0x07
+
+/* DMACTL 0xFE2C */
+#define RTS5228_DMA_PACK_SIZE_MASK		0xF0
+
+#define RTS5228_REG_LDO12_CFG			0xFF6E
+#define RTS5228_LDO12_VO_TUNE_MASK		(0x07<<1)
+#define RTS5228_LDO12_100				(0x00<<1)
+#define RTS5228_LDO12_105				(0x01<<1)
+#define RTS5228_LDO12_110				(0x02<<1)
+#define RTS5228_LDO12_115				(0x03<<1)
+#define RTS5228_LDO12_120				(0x04<<1)
+#define RTS5228_LDO12_125				(0x05<<1)
+#define RTS5228_LDO12_130				(0x06<<1)
+#define RTS5228_LDO12_135				(0x07<<1)
+#define RTS5228_REG_PWD_LDO12			(0x01<<0)
+
+#define RTS5228_REG_LDO12_L12	0xFF6F
+#define RTS5228_LDO12_L12_MASK			(0x07<<4)
+#define RTS5228_LDO12_L12_120			(0x04<<4)
+
+/* LDO control register */
+#define RTS5228_CARD_PWR_CTL			0xFD50
+#define RTS5228_PUPDC					(0x01<<5)
+
+#define RTS5228_LDO1233318_POW_CTL		0xFF70
+#define RTS5228_LDO3318_POWERON			(0x01<<3)
+#define RTS5228_LDO1_POWEROFF			(0x00<<0)
+#define RTS5228_LDO1_SOFTSTART			(0x01<<0)
+#define RTS5228_LDO1_FULLON				(0x03<<0)
+#define RTS5228_LDO1_POWERON_MASK		(0x03<<0)
+#define RTS5228_LDO_POWERON_MASK		(0x0F<<0)
+
+#define RTS5228_DV3318_CFG				0xFF71
+#define RTS5228_DV3318_TUNE_MASK		(0x07<<4)
+#define RTS5228_DV3318_17				(0x00<<4)
+#define RTS5228_DV3318_1V75				(0x01<<4)
+#define RTS5228_DV3318_18				(0x02<<4)
+#define RTS5228_DV3318_1V85				(0x03<<4)
+#define RTS5228_DV3318_19				(0x04<<4)
+#define RTS5228_DV3318_33				(0x07<<4)
+#define RTS5228_DV3318_SR_MASK			(0x03<<2)
+#define RTS5228_DV3318_SR_0				(0x00<<2)
+#define RTS5228_DV3318_SR_250			(0x01<<2)
+#define RTS5228_DV3318_SR_500			(0x02<<2)
+#define RTS5228_DV3318_SR_1000			(0x03<<2)
+
+#define RTS5228_LDO1_CFG0				0xFF72
+#define RTS5228_LDO1_OCP_THD_MASK		(0x07<<5)
+#define RTS5228_LDO1_OCP_EN				(0x01<<4)
+#define RTS5228_LDO1_OCP_LMT_THD_MASK	(0x03<<2)
+#define RTS5228_LDO1_OCP_LMT_EN			(0x01<<1)
+
+#define RTS5228_LDO1_OCP_THD_730		(0x00<<5)
+#define RTS5228_LDO1_OCP_THD_780		(0x01<<5)
+#define RTS5228_LDO1_OCP_THD_860		(0x02<<5)
+#define RTS5228_LDO1_OCP_THD_930		(0x03<<5)
+#define RTS5228_LDO1_OCP_THD_1000		(0x04<<5)
+#define RTS5228_LDO1_OCP_THD_1070		(0x05<<5)
+#define RTS5228_LDO1_OCP_THD_1140		(0x06<<5)
+#define RTS5228_LDO1_OCP_THD_1220		(0x07<<5)
+
+#define RTS5228_LDO1_LMT_THD_450		(0x00<<2)
+#define RTS5228_LDO1_LMT_THD_1000		(0x01<<2)
+#define RTS5228_LDO1_LMT_THD_1500		(0x02<<2)
+#define RTS5228_LDO1_LMT_THD_2000		(0x03<<2)
+
+#define RTS5228_LDO1_CFG1				0xFF73
+#define RTS5228_LDO1_SR_TIME_MASK		(0x03<<6)
+#define RTS5228_LDO1_SR_0_0				(0x00<<6)
+#define RTS5228_LDO1_SR_0_25			(0x01<<6)
+#define RTS5228_LDO1_SR_0_5				(0x02<<6)
+#define RTS5228_LDO1_SR_1_0				(0x03<<6)
+#define RTS5228_LDO1_TUNE_MASK			(0x07<<1)
+#define RTS5228_LDO1_18					(0x05<<1)
+#define RTS5228_LDO1_33					(0x07<<1)
+#define RTS5228_LDO1_PWD_MASK			(0x01<<0)
+
+#define RTS5228_AUXCLK_GAT_CTL			0xFF74
+
+#define RTS5228_REG_RREF_CTL_0			0xFF75
+#define RTS5228_FORCE_RREF_EXTL			(0x01<<7)
+#define RTS5228_REG_BG33_MASK			(0x07<<0)
+#define RTS5228_RREF_12_1V				(0x04<<0)
+#define RTS5228_RREF_12_3V				(0x05<<0)
+
+#define RTS5228_REG_RREF_CTL_1			0xFF76
+
+#define RTS5228_REG_RREF_CTL_2			0xFF77
+#define RTS5228_TEST_INTL_RREF			(0x01<<7)
+#define RTS5228_DGLCH_TIME_MASK			(0x03<<5)
+#define RTS5228_DGLCH_TIME_50			(0x00<<5)
+#define RTS5228_DGLCH_TIME_75			(0x01<<5)
+#define RTS5228_DGLCH_TIME_100			(0x02<<5)
+#define RTS5228_DGLCH_TIME_125			(0x03<<5)
+#define RTS5228_REG_REXT_TUNE_MASK		(0x1F<<0)
+
+#define RTS5228_REG_PME_FORCE_CTL		0xFF78
+#define FORCE_PM_CONTROL		0x20
+#define FORCE_PM_VALUE			0x10
+
+
+/* Single LUN, support SD */
+#define DEFAULT_SINGLE		0
+#define SD_LUN				1
+
+
+/* For Change_FPGA_SSCClock Function */
+#define MULTIPLY_BY_1    0x00
+#define MULTIPLY_BY_2    0x01
+#define MULTIPLY_BY_3    0x02
+#define MULTIPLY_BY_4    0x03
+#define MULTIPLY_BY_5    0x04
+#define MULTIPLY_BY_6    0x05
+#define MULTIPLY_BY_7    0x06
+#define MULTIPLY_BY_8    0x07
+#define MULTIPLY_BY_9    0x08
+#define MULTIPLY_BY_10   0x09
+
+#define DIVIDE_BY_2      0x01
+#define DIVIDE_BY_3      0x02
+#define DIVIDE_BY_4      0x03
+#define DIVIDE_BY_5      0x04
+#define DIVIDE_BY_6      0x05
+#define DIVIDE_BY_7      0x06
+#define DIVIDE_BY_8      0x07
+#define DIVIDE_BY_9      0x08
+#define DIVIDE_BY_10     0x09
+
+int rts5228_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
+		u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk);
+
+#endif /* RTS5228_H */
diff --git a/drivers/misc/cardreader/rts5229.c b/drivers/misc/cardreader/rts5229.c
index 9f080a3..89e6f12 100644
--- a/drivers/misc/cardreader/rts5229.c
+++ b/drivers/misc/cardreader/rts5229.c
@@ -23,9 +23,10 @@
 
 static void rts5229_fetch_vendor_settings(struct rtsx_pcr *pcr)
 {
+	struct pci_dev *pdev = pcr->pci;
 	u32 reg;
 
-	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
+	pci_read_config_dword(pdev, PCR_SETTING_REG1, &reg);
 	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
 
 	if (!rtsx_vendor_setting_valid(reg))
@@ -37,7 +38,7 @@
 	pcr->card_drive_sel &= 0x3F;
 	pcr->card_drive_sel |= rtsx_reg_to_card_drive_sel(reg);
 
-	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, &reg);
+	pci_read_config_dword(pdev, PCR_SETTING_REG2, &reg);
 	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
 	pcr->sd30_drive_sel_3v3 =
 		map_sd_drive(rtsx_reg_to_sd30_drive_sel_3v3(reg));
diff --git a/drivers/misc/cardreader/rts5249.c b/drivers/misc/cardreader/rts5249.c
index 1a81cda..b85279f 100644
--- a/drivers/misc/cardreader/rts5249.c
+++ b/drivers/misc/cardreader/rts5249.c
@@ -55,9 +55,10 @@
 
 static void rtsx_base_fetch_vendor_settings(struct rtsx_pcr *pcr)
 {
+	struct pci_dev *pdev = pcr->pci;
 	u32 reg;
 
-	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
+	pci_read_config_dword(pdev, PCR_SETTING_REG1, &reg);
 	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
 
 	if (!rtsx_vendor_setting_valid(reg)) {
@@ -70,55 +71,52 @@
 	pcr->card_drive_sel &= 0x3F;
 	pcr->card_drive_sel |= rtsx_reg_to_card_drive_sel(reg);
 
-	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, &reg);
+	pci_read_config_dword(pdev, PCR_SETTING_REG2, &reg);
 	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
+	if (rtsx_check_mmc_support(reg))
+		pcr->extra_caps |= EXTRA_CAPS_NO_MMC;
 	pcr->sd30_drive_sel_3v3 = rtsx_reg_to_sd30_drive_sel_3v3(reg);
 	if (rtsx_reg_check_reverse_socket(reg))
 		pcr->flags |= PCR_REVERSE_SOCKET;
 }
 
-static void rtsx_base_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
-{
-	/* Set relink_time to 0 */
-	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, 0xFF, 0);
-	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, 0xFF, 0);
-	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3, 0x01, 0);
-
-	if (pm_state == HOST_ENTER_S3)
-		rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3,
-			D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);
-
-	rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
-}
-
 static void rts5249_init_from_cfg(struct rtsx_pcr *pcr)
 {
+	struct pci_dev *pdev = pcr->pci;
+	int l1ss;
 	struct rtsx_cr_option *option = &(pcr->option);
 	u32 lval;
 
-	if (CHK_PCI_PID(pcr, PID_524A))
-		rtsx_pci_read_config_dword(pcr,
-			PCR_ASPM_SETTING_REG1, &lval);
-	else
-		rtsx_pci_read_config_dword(pcr,
-			PCR_ASPM_SETTING_REG2, &lval);
+	l1ss = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_L1SS);
+	if (!l1ss)
+		return;
 
-	if (lval & ASPM_L1_1_EN_MASK)
+	pci_read_config_dword(pdev, l1ss + PCI_L1SS_CTL1, &lval);
+
+	if (CHK_PCI_PID(pcr, PID_524A) || CHK_PCI_PID(pcr, PID_525A)) {
+		if (0 == (lval & 0x0F))
+			rtsx_pci_enable_oobs_polling(pcr);
+		else
+			rtsx_pci_disable_oobs_polling(pcr);
+	}
+
+
+	if (lval & PCI_L1SS_CTL1_ASPM_L1_1)
 		rtsx_set_dev_flag(pcr, ASPM_L1_1_EN);
 
-	if (lval & ASPM_L1_2_EN_MASK)
+	if (lval & PCI_L1SS_CTL1_ASPM_L1_2)
 		rtsx_set_dev_flag(pcr, ASPM_L1_2_EN);
 
-	if (lval & PM_L1_1_EN_MASK)
+	if (lval & PCI_L1SS_CTL1_PCIPM_L1_1)
 		rtsx_set_dev_flag(pcr, PM_L1_1_EN);
 
-	if (lval & PM_L1_2_EN_MASK)
+	if (lval & PCI_L1SS_CTL1_PCIPM_L1_2)
 		rtsx_set_dev_flag(pcr, PM_L1_2_EN);
 
 	if (option->ltr_en) {
 		u16 val;
 
-		pcie_capability_read_word(pcr->pci, PCI_EXP_DEVCTL2, &val);
+		pcie_capability_read_word(pdev, PCI_EXP_DEVCTL2, &val);
 		if (val & PCI_EXP_DEVCTL2_LTR_EN) {
 			option->ltr_enabled = true;
 			option->ltr_active = true;
@@ -142,6 +140,112 @@
 	return 0;
 }
 
+static void rts52xa_save_content_from_efuse(struct rtsx_pcr *pcr)
+{
+	u8 cnt, sv;
+	u16 j = 0;
+	u8 tmp;
+	u8 val;
+	int i;
+
+	rtsx_pci_write_register(pcr, RTS524A_PME_FORCE_CTL,
+				REG_EFUSE_BYPASS | REG_EFUSE_POR, REG_EFUSE_POR);
+	udelay(1);
+
+	pcr_dbg(pcr, "Enable efuse por!");
+	pcr_dbg(pcr, "save efuse to autoload");
+
+	rtsx_pci_write_register(pcr, RTS525A_EFUSE_ADD, REG_EFUSE_ADD_MASK, 0x00);
+	rtsx_pci_write_register(pcr, RTS525A_EFUSE_CTL,
+				REG_EFUSE_ENABLE | REG_EFUSE_MODE, REG_EFUSE_ENABLE);
+	/* Wait transfer end */
+	for (j = 0; j < 1024; j++) {
+		rtsx_pci_read_register(pcr, RTS525A_EFUSE_CTL, &tmp);
+		if ((tmp & 0x80) == 0)
+			break;
+	}
+	rtsx_pci_read_register(pcr, RTS525A_EFUSE_DATA, &val);
+	cnt = val & 0x0F;
+	sv = val & 0x10;
+
+	if (sv) {
+		for (i = 0; i < 4; i++) {
+			rtsx_pci_write_register(pcr, RTS525A_EFUSE_ADD,
+				REG_EFUSE_ADD_MASK, 0x04 + i);
+			rtsx_pci_write_register(pcr, RTS525A_EFUSE_CTL,
+				REG_EFUSE_ENABLE | REG_EFUSE_MODE, REG_EFUSE_ENABLE);
+			/* Wait transfer end */
+			for (j = 0; j < 1024; j++) {
+				rtsx_pci_read_register(pcr, RTS525A_EFUSE_CTL, &tmp);
+				if ((tmp & 0x80) == 0)
+					break;
+			}
+			rtsx_pci_read_register(pcr, RTS525A_EFUSE_DATA, &val);
+			rtsx_pci_write_register(pcr, 0xFF04 + i, 0xFF, val);
+		}
+	} else {
+		rtsx_pci_write_register(pcr, 0xFF04, 0xFF, (u8)PCI_VID(pcr));
+		rtsx_pci_write_register(pcr, 0xFF05, 0xFF, (u8)(PCI_VID(pcr) >> 8));
+		rtsx_pci_write_register(pcr, 0xFF06, 0xFF, (u8)PCI_PID(pcr));
+		rtsx_pci_write_register(pcr, 0xFF07, 0xFF, (u8)(PCI_PID(pcr) >> 8));
+	}
+
+	for (i = 0; i < cnt * 4; i++) {
+		if (sv)
+			rtsx_pci_write_register(pcr, RTS525A_EFUSE_ADD,
+				REG_EFUSE_ADD_MASK, 0x08 + i);
+		else
+			rtsx_pci_write_register(pcr, RTS525A_EFUSE_ADD,
+				REG_EFUSE_ADD_MASK, 0x04 + i);
+		rtsx_pci_write_register(pcr, RTS525A_EFUSE_CTL,
+				REG_EFUSE_ENABLE | REG_EFUSE_MODE, REG_EFUSE_ENABLE);
+		/* Wait transfer end */
+		for (j = 0; j < 1024; j++) {
+			rtsx_pci_read_register(pcr, RTS525A_EFUSE_CTL, &tmp);
+			if ((tmp & 0x80) == 0)
+				break;
+		}
+		rtsx_pci_read_register(pcr, RTS525A_EFUSE_DATA, &val);
+		rtsx_pci_write_register(pcr, 0xFF08 + i, 0xFF, val);
+	}
+	rtsx_pci_write_register(pcr, 0xFF00, 0xFF, (cnt & 0x7F) | 0x80);
+	rtsx_pci_write_register(pcr, RTS524A_PME_FORCE_CTL,
+		REG_EFUSE_BYPASS | REG_EFUSE_POR, REG_EFUSE_BYPASS);
+	pcr_dbg(pcr, "Disable efuse por!");
+}
+
+static void rts52xa_save_content_to_autoload_space(struct rtsx_pcr *pcr)
+{
+	u8 val;
+
+	rtsx_pci_read_register(pcr, RESET_LOAD_REG, &val);
+	if (val & 0x02) {
+		rtsx_pci_read_register(pcr, RTS525A_BIOS_CFG, &val);
+		if (val & RTS525A_LOAD_BIOS_FLAG) {
+			rtsx_pci_write_register(pcr, RTS525A_BIOS_CFG,
+				RTS525A_LOAD_BIOS_FLAG, RTS525A_CLEAR_BIOS_FLAG);
+
+			rtsx_pci_write_register(pcr, RTS524A_PME_FORCE_CTL,
+				REG_EFUSE_POWER_MASK, REG_EFUSE_POWERON);
+
+			pcr_dbg(pcr, "Power ON efuse!");
+			mdelay(1);
+			rts52xa_save_content_from_efuse(pcr);
+		} else {
+			rtsx_pci_read_register(pcr, RTS524A_PME_FORCE_CTL, &val);
+			if (!(val & 0x08))
+				rts52xa_save_content_from_efuse(pcr);
+		}
+	} else {
+		pcr_dbg(pcr, "Load from autoload");
+		rtsx_pci_write_register(pcr, 0xFF00, 0xFF, 0x80);
+		rtsx_pci_write_register(pcr, 0xFF04, 0xFF, (u8)PCI_VID(pcr));
+		rtsx_pci_write_register(pcr, 0xFF05, 0xFF, (u8)(PCI_VID(pcr) >> 8));
+		rtsx_pci_write_register(pcr, 0xFF06, 0xFF, (u8)PCI_PID(pcr));
+		rtsx_pci_write_register(pcr, 0xFF07, 0xFF, (u8)(PCI_PID(pcr) >> 8));
+	}
+}
+
 static int rts5249_extra_init_hw(struct rtsx_pcr *pcr)
 {
 	struct rtsx_cr_option *option = &(pcr->option);
@@ -151,6 +255,9 @@
 
 	rtsx_pci_init_cmd(pcr);
 
+	if (CHK_PCI_PID(pcr, PID_524A) || CHK_PCI_PID(pcr, PID_525A))
+		rts52xa_save_content_to_autoload_space(pcr);
+
 	/* Rest L1SUB Config */
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, L1SUB_CONFIG3, 0xFF, 0x00);
 	/* Configure GPIO as output */
@@ -169,18 +276,36 @@
 	else
 		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB0, 0x80);
 
+	rtsx_pci_send_cmd(pcr, CMD_TIMEOUT_DEF);
+
+	if (CHK_PCI_PID(pcr, PID_524A) || CHK_PCI_PID(pcr, PID_525A)) {
+		rtsx_pci_write_register(pcr, REG_VREF, PWD_SUSPND_EN, PWD_SUSPND_EN);
+		rtsx_pci_write_register(pcr, RTS524A_PM_CTRL3, 0x01, 0x00);
+		rtsx_pci_write_register(pcr, RTS524A_PME_FORCE_CTL, 0x30, 0x20);
+	} else {
+		rtsx_pci_write_register(pcr, PME_FORCE_CTL, 0xFF, 0x30);
+		rtsx_pci_write_register(pcr, PM_CTRL3, 0x01, 0x00);
+	}
+
 	/*
 	 * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced
 	 * to drive low, and we forcibly request clock.
 	 */
 	if (option->force_clkreq_0)
-		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,
+		rtsx_pci_write_register(pcr, PETXCFG,
 			FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
 	else
-		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG,
+		rtsx_pci_write_register(pcr, PETXCFG,
 			FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);
 
-	return rtsx_pci_send_cmd(pcr, CMD_TIMEOUT_DEF);
+	rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x00);
+	if (CHK_PCI_PID(pcr, PID_524A) || CHK_PCI_PID(pcr, PID_525A)) {
+		rtsx_pci_write_register(pcr, RTS524A_PME_FORCE_CTL,
+				REG_EFUSE_POWER_MASK, REG_EFUSE_POWEROFF);
+		pcr_dbg(pcr, "Power OFF efuse!");
+	}
+
+	return 0;
 }
 
 static int rts5249_optimize_phy(struct rtsx_pcr *pcr)
@@ -347,31 +472,6 @@
 	return rtsx_pci_send_cmd(pcr, 100);
 }
 
-static void rts5249_set_aspm(struct rtsx_pcr *pcr, bool enable)
-{
-	struct rtsx_cr_option *option = &pcr->option;
-	u8 val = 0;
-
-	if (pcr->aspm_enabled == enable)
-		return;
-
-	if (option->dev_aspm_mode == DEV_ASPM_DYNAMIC) {
-		if (enable)
-			val = pcr->aspm_en;
-		rtsx_pci_update_cfg_byte(pcr,
-			pcr->pcie_cap + PCI_EXP_LNKCTL,
-			ASPM_MASK_NEG, val);
-	} else if (option->dev_aspm_mode == DEV_ASPM_BACKDOOR) {
-		u8 mask = FORCE_ASPM_VAL_MASK | FORCE_ASPM_CTL0;
-
-		if (!enable)
-			val = FORCE_ASPM_CTL0;
-		rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, mask, val);
-	}
-
-	pcr->aspm_enabled = enable;
-}
-
 static const struct pcr_ops rts5249_pcr_ops = {
 	.fetch_vendor_settings = rtsx_base_fetch_vendor_settings,
 	.extra_init_hw = rts5249_extra_init_hw,
@@ -383,8 +483,6 @@
 	.card_power_on = rtsx_base_card_power_on,
 	.card_power_off = rtsx_base_card_power_off,
 	.switch_output_voltage = rtsx_base_switch_output_voltage,
-	.force_power_down = rtsx_base_force_power_down,
-	.set_aspm = rts5249_set_aspm,
 };
 
 /* SD Pull Control Enable:
@@ -471,7 +569,6 @@
 	option->ltr_active_latency = LTR_ACTIVE_LATENCY_DEF;
 	option->ltr_idle_latency = LTR_IDLE_LATENCY_DEF;
 	option->ltr_l1off_latency = LTR_L1OFF_LATENCY_DEF;
-	option->dev_aspm_mode = DEV_ASPM_DYNAMIC;
 	option->l1_snooze_delay = L1_SNOOZE_DELAY_DEF;
 	option->ltr_l1off_sspwrgate = LTR_L1OFF_SSPWRGATE_5249_DEF;
 	option->ltr_l1off_snooze_sspwrgate =
@@ -610,9 +707,7 @@
 	.card_power_on = rtsx_base_card_power_on,
 	.card_power_off = rtsx_base_card_power_off,
 	.switch_output_voltage = rtsx_base_switch_output_voltage,
-	.force_power_down = rtsx_base_force_power_down,
 	.set_l1off_cfg_sub_d0 = rts5250_set_l1off_cfg_sub_d0,
-	.set_aspm = rts5249_set_aspm,
 };
 
 void rts524a_init_params(struct rtsx_pcr *pcr)
@@ -694,6 +789,8 @@
 {
 	rts5249_extra_init_hw(pcr);
 
+	rtsx_pci_write_register(pcr, RTS5250_CLK_CFG3, RTS525A_CFG_MEM_PD, RTS525A_CFG_MEM_PD);
+
 	rtsx_pci_write_register(pcr, PCLK_CTL, PCLK_MODE_SEL, PCLK_MODE_SEL);
 	if (is_version(pcr, 0x525A, IC_VER_A)) {
 		rtsx_pci_write_register(pcr, L1SUB_CONFIG2,
@@ -726,9 +823,7 @@
 	.card_power_on = rts525a_card_power_on,
 	.card_power_off = rtsx_base_card_power_off,
 	.switch_output_voltage = rts525a_switch_output_voltage,
-	.force_power_down = rtsx_base_force_power_down,
 	.set_l1off_cfg_sub_d0 = rts5250_set_l1off_cfg_sub_d0,
-	.set_aspm = rts5249_set_aspm,
 };
 
 void rts525a_init_params(struct rtsx_pcr *pcr)
diff --git a/drivers/misc/cardreader/rts5260.c b/drivers/misc/cardreader/rts5260.c
index c9327bf..080a7d6 100644
--- a/drivers/misc/cardreader/rts5260.c
+++ b/drivers/misc/cardreader/rts5260.c
@@ -26,21 +26,17 @@
 
 static void rts5260_fill_driving(struct rtsx_pcr *pcr, u8 voltage)
 {
-	u8 driving_3v3[6][3] = {
-		{0x94, 0x94, 0x94},
-		{0x11, 0x11, 0x18},
-		{0x55, 0x55, 0x5C},
-		{0x94, 0x94, 0x94},
-		{0x94, 0x94, 0x94},
-		{0xFF, 0xFF, 0xFF},
+	u8 driving_3v3[4][3] = {
+		{0x11, 0x11, 0x11},
+		{0x22, 0x22, 0x22},
+		{0x55, 0x55, 0x55},
+		{0x33, 0x33, 0x33},
 	};
-	u8 driving_1v8[6][3] = {
-		{0x9A, 0x89, 0x89},
-		{0xC4, 0xC4, 0xC4},
-		{0x3C, 0x3C, 0x3C},
+	u8 driving_1v8[4][3] = {
+		{0x35, 0x33, 0x33},
+		{0x8A, 0x88, 0x88},
+		{0xBD, 0xBB, 0xBB},
 		{0x9B, 0x99, 0x99},
-		{0x9A, 0x89, 0x89},
-		{0xFE, 0xFE, 0xFE},
 	};
 	u8 (*driving)[3], drive_sel;
 
@@ -58,15 +54,16 @@
 	rtsx_pci_write_register(pcr, SD30_CMD_DRIVE_SEL,
 			 0xFF, driving[drive_sel][1]);
 
-	rtsx_pci_write_register(pcr, SD30_CMD_DRIVE_SEL,
+	rtsx_pci_write_register(pcr, SD30_DAT_DRIVE_SEL,
 			 0xFF, driving[drive_sel][2]);
 }
 
 static void rtsx_base_fetch_vendor_settings(struct rtsx_pcr *pcr)
 {
+	struct pci_dev *pdev = pcr->pci;
 	u32 reg;
 
-	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, &reg);
+	pci_read_config_dword(pdev, PCR_SETTING_REG1, &reg);
 	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
 
 	if (!rtsx_vendor_setting_valid(reg)) {
@@ -79,28 +76,15 @@
 	pcr->card_drive_sel &= 0x3F;
 	pcr->card_drive_sel |= rtsx_reg_to_card_drive_sel(reg);
 
-	rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, &reg);
+	pci_read_config_dword(pdev, PCR_SETTING_REG2, &reg);
 	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
+	if (rtsx_check_mmc_support(reg))
+		pcr->extra_caps |= EXTRA_CAPS_NO_MMC;
 	pcr->sd30_drive_sel_3v3 = rtsx_reg_to_sd30_drive_sel_3v3(reg);
 	if (rtsx_reg_check_reverse_socket(reg))
 		pcr->flags |= PCR_REVERSE_SOCKET;
 }
 
-static void rtsx_base_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
-{
-	/* Set relink_time to 0 */
-	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, MASK_8_BIT_DEF, 0);
-	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, MASK_8_BIT_DEF, 0);
-	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3,
-				RELINK_TIME_MASK, 0);
-
-	if (pm_state == HOST_ENTER_S3)
-		rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3,
-					D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);
-
-	rtsx_pci_write_register(pcr, FPDCTL, ALL_POWER_DOWN, ALL_POWER_DOWN);
-}
-
 static int rtsx_base_enable_auto_blink(struct rtsx_pcr *pcr)
 {
 	return rtsx_pci_write_register(pcr, OLT_LED_CTL,
@@ -191,7 +175,6 @@
 
 static int rts5260_card_power_on(struct rtsx_pcr *pcr, int card)
 {
-	int err = 0;
 	struct rtsx_cr_option *option = &pcr->option;
 
 	if (option->ocp_en)
@@ -231,7 +214,7 @@
 
 	rtsx_pci_write_register(pcr, REG_PRE_RW_MODE, EN_INFINITE_MODE, 0);
 
-	return err;
+	return 0;
 }
 
 static int rts5260_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
@@ -497,21 +480,27 @@
 
 static void rts5260_init_from_cfg(struct rtsx_pcr *pcr)
 {
+	struct pci_dev *pdev = pcr->pci;
+	int l1ss;
 	struct rtsx_cr_option *option = &pcr->option;
 	u32 lval;
 
-	rtsx_pci_read_config_dword(pcr, PCR_ASPM_SETTING_5260, &lval);
+	l1ss = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_L1SS);
+	if (!l1ss)
+		return;
 
-	if (lval & ASPM_L1_1_EN_MASK)
+	pci_read_config_dword(pdev, l1ss + PCI_L1SS_CTL1, &lval);
+
+	if (lval & PCI_L1SS_CTL1_ASPM_L1_1)
 		rtsx_set_dev_flag(pcr, ASPM_L1_1_EN);
 
-	if (lval & ASPM_L1_2_EN_MASK)
+	if (lval & PCI_L1SS_CTL1_ASPM_L1_2)
 		rtsx_set_dev_flag(pcr, ASPM_L1_2_EN);
 
-	if (lval & PM_L1_1_EN_MASK)
+	if (lval & PCI_L1SS_CTL1_PCIPM_L1_1)
 		rtsx_set_dev_flag(pcr, PM_L1_1_EN);
 
-	if (lval & PM_L1_2_EN_MASK)
+	if (lval & PCI_L1SS_CTL1_PCIPM_L1_2)
 		rtsx_set_dev_flag(pcr, PM_L1_2_EN);
 
 	rts5260_pwr_saving_setting(pcr);
@@ -519,7 +508,7 @@
 	if (option->ltr_en) {
 		u16 val;
 
-		pcie_capability_read_word(pcr->pci, PCI_EXP_DEVCTL2, &val);
+		pcie_capability_read_word(pdev, PCI_EXP_DEVCTL2, &val);
 		if (val & PCI_EXP_DEVCTL2_LTR_EN) {
 			option->ltr_enabled = true;
 			option->ltr_active = true;
@@ -568,33 +557,11 @@
 		rtsx_pci_write_register(pcr, PETXCFG,
 				 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);
 
+	rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x00);
+
 	return 0;
 }
 
-static void rts5260_set_aspm(struct rtsx_pcr *pcr, bool enable)
-{
-	struct rtsx_cr_option *option = &pcr->option;
-	u8 val = 0;
-
-	if (pcr->aspm_enabled == enable)
-		return;
-
-	if (option->dev_aspm_mode == DEV_ASPM_DYNAMIC) {
-		if (enable)
-			val = pcr->aspm_en;
-		rtsx_pci_update_cfg_byte(pcr, pcr->pcie_cap + PCI_EXP_LNKCTL,
-					 ASPM_MASK_NEG, val);
-	} else if (option->dev_aspm_mode == DEV_ASPM_BACKDOOR) {
-		u8 mask = FORCE_ASPM_VAL_MASK | FORCE_ASPM_CTL0;
-
-		if (!enable)
-			val = FORCE_ASPM_CTL0;
-		rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, mask, val);
-	}
-
-	pcr->aspm_enabled = enable;
-}
-
 static void rts5260_set_l1off_cfg_sub_d0(struct rtsx_pcr *pcr, int active)
 {
 	struct rtsx_cr_option *option = &pcr->option;
@@ -638,9 +605,7 @@
 	.card_power_on = rts5260_card_power_on,
 	.card_power_off = rts5260_card_power_off,
 	.switch_output_voltage = rts5260_switch_output_voltage,
-	.force_power_down = rtsx_base_force_power_down,
 	.stop_cmd = rts5260_stop_cmd,
-	.set_aspm = rts5260_set_aspm,
 	.set_l1off_cfg_sub_d0 = rts5260_set_l1off_cfg_sub_d0,
 	.enable_ocp = rts5260_enable_ocp,
 	.disable_ocp = rts5260_disable_ocp,
@@ -684,7 +649,6 @@
 	option->ltr_active_latency = LTR_ACTIVE_LATENCY_DEF;
 	option->ltr_idle_latency = LTR_IDLE_LATENCY_DEF;
 	option->ltr_l1off_latency = LTR_L1OFF_LATENCY_DEF;
-	option->dev_aspm_mode = DEV_ASPM_DYNAMIC;
 	option->l1_snooze_delay = L1_SNOOZE_DELAY_DEF;
 	option->ltr_l1off_sspwrgate = LTR_L1OFF_SSPWRGATE_5250_DEF;
 	option->ltr_l1off_snooze_sspwrgate =
diff --git a/drivers/misc/cardreader/rts5261.c b/drivers/misc/cardreader/rts5261.c
new file mode 100644
index 0000000..4719614
--- /dev/null
+++ b/drivers/misc/cardreader/rts5261.c
@@ -0,0 +1,776 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Driver for Realtek PCI-Express card reader
+ *
+ * Copyright(c) 2018-2019 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * Author:
+ *   Rui FENG <rui_feng@realsil.com.cn>
+ *   Wei WANG <wei_wang@realsil.com.cn>
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/rtsx_pci.h>
+
+#include "rts5261.h"
+#include "rtsx_pcr.h"
+
+static u8 rts5261_get_ic_version(struct rtsx_pcr *pcr)
+{
+	u8 val;
+
+	rtsx_pci_read_register(pcr, DUMMY_REG_RESET_0, &val);
+	return val & IC_VERSION_MASK;
+}
+
+static void rts5261_fill_driving(struct rtsx_pcr *pcr, u8 voltage)
+{
+	u8 driving_3v3[4][3] = {
+		{0x13, 0x13, 0x13},
+		{0x96, 0x96, 0x96},
+		{0x7F, 0x7F, 0x7F},
+		{0x96, 0x96, 0x96},
+	};
+	u8 driving_1v8[4][3] = {
+		{0x99, 0x99, 0x99},
+		{0x3A, 0x3A, 0x3A},
+		{0xE6, 0xE6, 0xE6},
+		{0xB3, 0xB3, 0xB3},
+	};
+	u8 (*driving)[3], drive_sel;
+
+	if (voltage == OUTPUT_3V3) {
+		driving = driving_3v3;
+		drive_sel = pcr->sd30_drive_sel_3v3;
+	} else {
+		driving = driving_1v8;
+		drive_sel = pcr->sd30_drive_sel_1v8;
+	}
+
+	rtsx_pci_write_register(pcr, SD30_CLK_DRIVE_SEL,
+			 0xFF, driving[drive_sel][0]);
+
+	rtsx_pci_write_register(pcr, SD30_CMD_DRIVE_SEL,
+			 0xFF, driving[drive_sel][1]);
+
+	rtsx_pci_write_register(pcr, SD30_DAT_DRIVE_SEL,
+			 0xFF, driving[drive_sel][2]);
+}
+
+static void rtsx5261_fetch_vendor_settings(struct rtsx_pcr *pcr)
+{
+	struct pci_dev *pdev = pcr->pci;
+	u32 reg;
+
+	/* 0x814~0x817 */
+	pci_read_config_dword(pdev, PCR_SETTING_REG2, &reg);
+	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg);
+
+	if (!rts5261_vendor_setting_valid(reg)) {
+		pcr_dbg(pcr, "skip fetch vendor setting\n");
+		return;
+	}
+
+	pcr->card_drive_sel &= 0x3F;
+	pcr->card_drive_sel |= rts5261_reg_to_card_drive_sel(reg);
+
+	if (rts5261_reg_check_reverse_socket(reg))
+		pcr->flags |= PCR_REVERSE_SOCKET;
+
+	/* 0x724~0x727 */
+	pci_read_config_dword(pdev, PCR_SETTING_REG1, &reg);
+	pcr_dbg(pcr, "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg);
+
+	pcr->aspm_en = rts5261_reg_to_aspm(reg);
+	pcr->sd30_drive_sel_1v8 = rts5261_reg_to_sd30_drive_sel_1v8(reg);
+	pcr->sd30_drive_sel_3v3 = rts5261_reg_to_sd30_drive_sel_3v3(reg);
+}
+
+static void rts5261_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
+{
+	/* Set relink_time to 0 */
+	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, MASK_8_BIT_DEF, 0);
+	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, MASK_8_BIT_DEF, 0);
+	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3,
+				RELINK_TIME_MASK, 0);
+
+	if (pm_state == HOST_ENTER_S3)
+		rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3,
+					D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);
+
+	rtsx_pci_write_register(pcr, RTS5261_REG_FPDCTL,
+		SSC_POWER_DOWN, SSC_POWER_DOWN);
+}
+
+static int rts5261_enable_auto_blink(struct rtsx_pcr *pcr)
+{
+	return rtsx_pci_write_register(pcr, OLT_LED_CTL,
+		LED_SHINE_MASK, LED_SHINE_EN);
+}
+
+static int rts5261_disable_auto_blink(struct rtsx_pcr *pcr)
+{
+	return rtsx_pci_write_register(pcr, OLT_LED_CTL,
+		LED_SHINE_MASK, LED_SHINE_DISABLE);
+}
+
+static int rts5261_turn_on_led(struct rtsx_pcr *pcr)
+{
+	return rtsx_pci_write_register(pcr, GPIO_CTL,
+		0x02, 0x02);
+}
+
+static int rts5261_turn_off_led(struct rtsx_pcr *pcr)
+{
+	return rtsx_pci_write_register(pcr, GPIO_CTL,
+		0x02, 0x00);
+}
+
+/* SD Pull Control Enable:
+ *     SD_DAT[3:0] ==> pull up
+ *     SD_CD       ==> pull up
+ *     SD_WP       ==> pull up
+ *     SD_CMD      ==> pull up
+ *     SD_CLK      ==> pull down
+ */
+static const u32 rts5261_sd_pull_ctl_enable_tbl[] = {
+	RTSX_REG_PAIR(CARD_PULL_CTL2, 0xAA),
+	RTSX_REG_PAIR(CARD_PULL_CTL3, 0xE9),
+	0,
+};
+
+/* SD Pull Control Disable:
+ *     SD_DAT[3:0] ==> pull down
+ *     SD_CD       ==> pull up
+ *     SD_WP       ==> pull down
+ *     SD_CMD      ==> pull down
+ *     SD_CLK      ==> pull down
+ */
+static const u32 rts5261_sd_pull_ctl_disable_tbl[] = {
+	RTSX_REG_PAIR(CARD_PULL_CTL2, 0x55),
+	RTSX_REG_PAIR(CARD_PULL_CTL3, 0xD5),
+	0,
+};
+
+static int rts5261_sd_set_sample_push_timing_sd30(struct rtsx_pcr *pcr)
+{
+	rtsx_pci_write_register(pcr, SD_CFG1, SD_MODE_SELECT_MASK
+		| SD_ASYNC_FIFO_NOT_RST, SD_30_MODE | SD_ASYNC_FIFO_NOT_RST);
+	rtsx_pci_write_register(pcr, CLK_CTL, CLK_LOW_FREQ, CLK_LOW_FREQ);
+	rtsx_pci_write_register(pcr, CARD_CLK_SOURCE, 0xFF,
+			CRC_VAR_CLK0 | SD30_FIX_CLK | SAMPLE_VAR_CLK1);
+	rtsx_pci_write_register(pcr, CLK_CTL, CLK_LOW_FREQ, 0);
+
+	return 0;
+}
+
+static int rts5261_card_power_on(struct rtsx_pcr *pcr, int card)
+{
+	struct rtsx_cr_option *option = &pcr->option;
+
+	if (option->ocp_en)
+		rtsx_pci_enable_ocp(pcr);
+
+
+	rtsx_pci_write_register(pcr, RTS5261_LDO1_CFG1,
+			RTS5261_LDO1_TUNE_MASK, RTS5261_LDO1_33);
+	rtsx_pci_write_register(pcr, RTS5261_LDO1233318_POW_CTL,
+			RTS5261_LDO1_POWERON, RTS5261_LDO1_POWERON);
+
+	rtsx_pci_write_register(pcr, RTS5261_LDO1233318_POW_CTL,
+			RTS5261_LDO3318_POWERON, RTS5261_LDO3318_POWERON);
+
+	msleep(20);
+
+	rtsx_pci_write_register(pcr, CARD_OE, SD_OUTPUT_EN, SD_OUTPUT_EN);
+
+	/* Initialize SD_CFG1 register */
+	rtsx_pci_write_register(pcr, SD_CFG1, 0xFF,
+			SD_CLK_DIVIDE_128 | SD_20_MODE | SD_BUS_WIDTH_1BIT);
+
+	rtsx_pci_write_register(pcr, SD_SAMPLE_POINT_CTL,
+			0xFF, SD20_RX_POS_EDGE);
+	rtsx_pci_write_register(pcr, SD_PUSH_POINT_CTL, 0xFF, 0);
+	rtsx_pci_write_register(pcr, CARD_STOP, SD_STOP | SD_CLR_ERR,
+			SD_STOP | SD_CLR_ERR);
+
+	/* Reset SD_CFG3 register */
+	rtsx_pci_write_register(pcr, SD_CFG3, SD30_CLK_END_EN, 0);
+	rtsx_pci_write_register(pcr, REG_SD_STOP_SDCLK_CFG,
+			SD30_CLK_STOP_CFG_EN | SD30_CLK_STOP_CFG1 |
+			SD30_CLK_STOP_CFG0, 0);
+
+	if (pcr->extra_caps & EXTRA_CAPS_SD_SDR50 ||
+	    pcr->extra_caps & EXTRA_CAPS_SD_SDR104)
+		rts5261_sd_set_sample_push_timing_sd30(pcr);
+
+	return 0;
+}
+
+static int rts5261_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+	int err;
+	u16 val = 0;
+
+	rtsx_pci_write_register(pcr, RTS5261_CARD_PWR_CTL,
+			RTS5261_PUPDC, RTS5261_PUPDC);
+
+	switch (voltage) {
+	case OUTPUT_3V3:
+		rtsx_pci_read_phy_register(pcr, PHY_TUNE, &val);
+		val |= PHY_TUNE_SDBUS_33;
+		err = rtsx_pci_write_phy_register(pcr, PHY_TUNE, val);
+		if (err < 0)
+			return err;
+
+		rtsx_pci_write_register(pcr, RTS5261_DV3318_CFG,
+				RTS5261_DV3318_TUNE_MASK, RTS5261_DV3318_33);
+		rtsx_pci_write_register(pcr, SD_PAD_CTL,
+				SD_IO_USING_1V8, 0);
+		break;
+	case OUTPUT_1V8:
+		rtsx_pci_read_phy_register(pcr, PHY_TUNE, &val);
+		val &= ~PHY_TUNE_SDBUS_33;
+		err = rtsx_pci_write_phy_register(pcr, PHY_TUNE, val);
+		if (err < 0)
+			return err;
+
+		rtsx_pci_write_register(pcr, RTS5261_DV3318_CFG,
+				RTS5261_DV3318_TUNE_MASK, RTS5261_DV3318_18);
+		rtsx_pci_write_register(pcr, SD_PAD_CTL,
+				SD_IO_USING_1V8, SD_IO_USING_1V8);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* set pad drive */
+	rts5261_fill_driving(pcr, voltage);
+
+	return 0;
+}
+
+static void rts5261_stop_cmd(struct rtsx_pcr *pcr)
+{
+	rtsx_pci_writel(pcr, RTSX_HCBCTLR, STOP_CMD);
+	rtsx_pci_writel(pcr, RTSX_HDBCTLR, STOP_DMA);
+	rtsx_pci_write_register(pcr, RTS5260_DMA_RST_CTL_0,
+				RTS5260_DMA_RST | RTS5260_ADMA3_RST,
+				RTS5260_DMA_RST | RTS5260_ADMA3_RST);
+	rtsx_pci_write_register(pcr, RBCTL, RB_FLUSH, RB_FLUSH);
+}
+
+static void rts5261_card_before_power_off(struct rtsx_pcr *pcr)
+{
+	rts5261_stop_cmd(pcr);
+	rts5261_switch_output_voltage(pcr, OUTPUT_3V3);
+
+}
+
+static void rts5261_enable_ocp(struct rtsx_pcr *pcr)
+{
+	u8 val = 0;
+
+	val = SD_OCP_INT_EN | SD_DETECT_EN;
+	rtsx_pci_write_register(pcr, REG_OCPCTL, 0xFF, val);
+
+}
+
+static void rts5261_disable_ocp(struct rtsx_pcr *pcr)
+{
+	u8 mask = 0;
+
+	mask = SD_OCP_INT_EN | SD_DETECT_EN;
+	rtsx_pci_write_register(pcr, REG_OCPCTL, mask, 0);
+	rtsx_pci_write_register(pcr, RTS5261_LDO1_CFG0,
+			RTS5261_LDO1_OCP_EN | RTS5261_LDO1_OCP_LMT_EN, 0);
+
+}
+
+static int rts5261_card_power_off(struct rtsx_pcr *pcr, int card)
+{
+	int err = 0;
+
+	rts5261_card_before_power_off(pcr);
+	err = rtsx_pci_write_register(pcr, RTS5261_LDO1233318_POW_CTL,
+				RTS5261_LDO_POWERON_MASK, 0);
+
+	if (pcr->option.ocp_en)
+		rtsx_pci_disable_ocp(pcr);
+
+	return err;
+}
+
+static void rts5261_init_ocp(struct rtsx_pcr *pcr)
+{
+	struct rtsx_cr_option *option = &pcr->option;
+
+	if (option->ocp_en) {
+		u8 mask, val;
+
+		rtsx_pci_write_register(pcr, RTS5261_LDO1_CFG0,
+			RTS5261_LDO1_OCP_EN | RTS5261_LDO1_OCP_LMT_EN,
+			RTS5261_LDO1_OCP_EN | RTS5261_LDO1_OCP_LMT_EN);
+
+		rtsx_pci_write_register(pcr, RTS5261_LDO1_CFG0,
+			RTS5261_LDO1_OCP_THD_MASK, option->sd_800mA_ocp_thd);
+
+		rtsx_pci_write_register(pcr, RTS5261_LDO1_CFG0,
+			RTS5261_LDO1_OCP_LMT_THD_MASK,
+			RTS5261_LDO1_LMT_THD_2000);
+
+		mask = SD_OCP_GLITCH_MASK;
+		val = pcr->hw_param.ocp_glitch;
+		rtsx_pci_write_register(pcr, REG_OCPGLITCH, mask, val);
+
+		rts5261_enable_ocp(pcr);
+	} else {
+		rtsx_pci_write_register(pcr, RTS5261_LDO1_CFG0,
+			RTS5261_LDO1_OCP_EN | RTS5261_LDO1_OCP_LMT_EN, 0);
+	}
+}
+
+static void rts5261_clear_ocpstat(struct rtsx_pcr *pcr)
+{
+	u8 mask = 0;
+	u8 val = 0;
+
+	mask = SD_OCP_INT_CLR | SD_OC_CLR;
+	val = SD_OCP_INT_CLR | SD_OC_CLR;
+
+	rtsx_pci_write_register(pcr, REG_OCPCTL, mask, val);
+
+	udelay(10);
+	rtsx_pci_write_register(pcr, REG_OCPCTL, mask, 0);
+
+}
+
+static void rts5261_process_ocp(struct rtsx_pcr *pcr)
+{
+	if (!pcr->option.ocp_en)
+		return;
+
+	rtsx_pci_get_ocpstat(pcr, &pcr->ocp_stat);
+
+	if (pcr->ocp_stat & (SD_OC_NOW | SD_OC_EVER)) {
+		rts5261_card_power_off(pcr, RTSX_SD_CARD);
+		rtsx_pci_write_register(pcr, CARD_OE, SD_OUTPUT_EN, 0);
+		rts5261_clear_ocpstat(pcr);
+		pcr->ocp_stat = 0;
+	}
+
+}
+
+static int rts5261_init_from_hw(struct rtsx_pcr *pcr)
+{
+	struct pci_dev *pdev = pcr->pci;
+	int retval;
+	u32 lval, i;
+	u8 valid, efuse_valid, tmp;
+
+	rtsx_pci_write_register(pcr, RTS5261_REG_PME_FORCE_CTL,
+		REG_EFUSE_POR | REG_EFUSE_POWER_MASK,
+		REG_EFUSE_POR | REG_EFUSE_POWERON);
+	udelay(1);
+	rtsx_pci_write_register(pcr, RTS5261_EFUSE_ADDR,
+		RTS5261_EFUSE_ADDR_MASK, 0x00);
+	rtsx_pci_write_register(pcr, RTS5261_EFUSE_CTL,
+		RTS5261_EFUSE_ENABLE | RTS5261_EFUSE_MODE_MASK,
+		RTS5261_EFUSE_ENABLE);
+
+	/* Wait transfer end */
+	for (i = 0; i < MAX_RW_REG_CNT; i++) {
+		rtsx_pci_read_register(pcr, RTS5261_EFUSE_CTL, &tmp);
+		if ((tmp & 0x80) == 0)
+			break;
+	}
+	rtsx_pci_read_register(pcr, RTS5261_EFUSE_READ_DATA, &tmp);
+	efuse_valid = ((tmp & 0x0C) >> 2);
+	pcr_dbg(pcr, "Load efuse valid: 0x%x\n", efuse_valid);
+
+	if (efuse_valid == 0) {
+		retval = pci_read_config_dword(pdev, PCR_SETTING_REG2, &lval);
+		if (retval != 0)
+			pcr_dbg(pcr, "read 0x814 DW fail\n");
+		pcr_dbg(pcr, "DW from 0x814: 0x%x\n", lval);
+		/* 0x816 */
+		valid = (u8)((lval >> 16) & 0x03);
+		pcr_dbg(pcr, "0x816: %d\n", valid);
+	}
+	rtsx_pci_write_register(pcr, RTS5261_REG_PME_FORCE_CTL,
+		REG_EFUSE_POR, 0);
+	pcr_dbg(pcr, "Disable efuse por!\n");
+
+	pci_read_config_dword(pdev, PCR_SETTING_REG2, &lval);
+	lval = lval & 0x00FFFFFF;
+	retval = pci_write_config_dword(pdev, PCR_SETTING_REG2, lval);
+	if (retval != 0)
+		pcr_dbg(pcr, "write config fail\n");
+
+	return retval;
+}
+
+static void rts5261_init_from_cfg(struct rtsx_pcr *pcr)
+{
+	struct pci_dev *pdev = pcr->pci;
+	int l1ss;
+	u32 lval;
+	struct rtsx_cr_option *option = &pcr->option;
+
+	l1ss = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_L1SS);
+	if (!l1ss)
+		return;
+
+	pci_read_config_dword(pdev, l1ss + PCI_L1SS_CTL1, &lval);
+
+	if (lval & PCI_L1SS_CTL1_ASPM_L1_1)
+		rtsx_set_dev_flag(pcr, ASPM_L1_1_EN);
+	else
+		rtsx_clear_dev_flag(pcr, ASPM_L1_1_EN);
+
+	if (lval & PCI_L1SS_CTL1_ASPM_L1_2)
+		rtsx_set_dev_flag(pcr, ASPM_L1_2_EN);
+	else
+		rtsx_clear_dev_flag(pcr, ASPM_L1_2_EN);
+
+	if (lval & PCI_L1SS_CTL1_PCIPM_L1_1)
+		rtsx_set_dev_flag(pcr, PM_L1_1_EN);
+	else
+		rtsx_clear_dev_flag(pcr, PM_L1_1_EN);
+
+	if (lval & PCI_L1SS_CTL1_PCIPM_L1_2)
+		rtsx_set_dev_flag(pcr, PM_L1_2_EN);
+	else
+		rtsx_clear_dev_flag(pcr, PM_L1_2_EN);
+
+	rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, 0xFF, 0);
+	if (option->ltr_en) {
+		u16 val;
+
+		pcie_capability_read_word(pdev, PCI_EXP_DEVCTL2, &val);
+		if (val & PCI_EXP_DEVCTL2_LTR_EN) {
+			option->ltr_enabled = true;
+			option->ltr_active = true;
+			rtsx_set_ltr_latency(pcr, option->ltr_active_latency);
+		} else {
+			option->ltr_enabled = false;
+		}
+	}
+
+	if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN
+				| PM_L1_1_EN | PM_L1_2_EN))
+		option->force_clkreq_0 = false;
+	else
+		option->force_clkreq_0 = true;
+}
+
+static int rts5261_extra_init_hw(struct rtsx_pcr *pcr)
+{
+	struct rtsx_cr_option *option = &pcr->option;
+
+	rtsx_pci_write_register(pcr, RTS5261_AUTOLOAD_CFG1,
+			CD_RESUME_EN_MASK, CD_RESUME_EN_MASK);
+
+	rts5261_init_from_cfg(pcr);
+	rts5261_init_from_hw(pcr);
+
+	/* power off efuse */
+	rtsx_pci_write_register(pcr, RTS5261_REG_PME_FORCE_CTL,
+			REG_EFUSE_POWER_MASK, REG_EFUSE_POWEROFF);
+	rtsx_pci_write_register(pcr, L1SUB_CONFIG1,
+			AUX_CLK_ACTIVE_SEL_MASK, MAC_CKSW_DONE);
+	rtsx_pci_write_register(pcr, L1SUB_CONFIG3, 0xFF, 0);
+
+	rtsx_pci_write_register(pcr, RTS5261_AUTOLOAD_CFG4,
+			RTS5261_AUX_CLK_16M_EN, 0);
+
+	/* Release PRSNT# */
+	rtsx_pci_write_register(pcr, RTS5261_AUTOLOAD_CFG4,
+			RTS5261_FORCE_PRSNT_LOW, 0);
+	rtsx_pci_write_register(pcr, FUNC_FORCE_CTL,
+			FUNC_FORCE_UPME_XMT_DBG, FUNC_FORCE_UPME_XMT_DBG);
+
+	rtsx_pci_write_register(pcr, PCLK_CTL,
+			PCLK_MODE_SEL, PCLK_MODE_SEL);
+
+	rtsx_pci_write_register(pcr, PM_EVENT_DEBUG, PME_DEBUG_0, PME_DEBUG_0);
+	rtsx_pci_write_register(pcr, PM_CLK_FORCE_CTL, CLK_PM_EN, CLK_PM_EN);
+
+	/* LED shine disabled, set initial shine cycle period */
+	rtsx_pci_write_register(pcr, OLT_LED_CTL, 0x0F, 0x02);
+
+	/* Configure driving */
+	rts5261_fill_driving(pcr, OUTPUT_3V3);
+
+	/*
+	 * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced
+	 * to drive low, and we forcibly request clock.
+	 */
+	if (option->force_clkreq_0)
+		rtsx_pci_write_register(pcr, PETXCFG,
+				 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW);
+	else
+		rtsx_pci_write_register(pcr, PETXCFG,
+				 FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH);
+
+	rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x00);
+	rtsx_pci_write_register(pcr, RTS5261_REG_PME_FORCE_CTL,
+			FORCE_PM_CONTROL | FORCE_PM_VALUE, FORCE_PM_CONTROL);
+
+	/* Clear Enter RTD3_cold Information*/
+	rtsx_pci_write_register(pcr, RTS5261_FW_CTL,
+		RTS5261_INFORM_RTD3_COLD, 0);
+
+	return 0;
+}
+
+static void rts5261_enable_aspm(struct rtsx_pcr *pcr, bool enable)
+{
+	if (pcr->aspm_enabled == enable)
+		return;
+
+	pcie_capability_clear_and_set_word(pcr->pci, PCI_EXP_LNKCTL,
+					   PCI_EXP_LNKCTL_ASPMC, pcr->aspm_en);
+	pcr->aspm_enabled = enable;
+
+}
+
+static void rts5261_disable_aspm(struct rtsx_pcr *pcr, bool enable)
+{
+	if (pcr->aspm_enabled == enable)
+		return;
+
+	pcie_capability_clear_and_set_word(pcr->pci, PCI_EXP_LNKCTL,
+					   PCI_EXP_LNKCTL_ASPMC, 0);
+	rtsx_pci_write_register(pcr, SD_CFG1, SD_ASYNC_FIFO_NOT_RST, 0);
+	udelay(10);
+	pcr->aspm_enabled = enable;
+}
+
+static void rts5261_set_aspm(struct rtsx_pcr *pcr, bool enable)
+{
+	if (enable)
+		rts5261_enable_aspm(pcr, true);
+	else
+		rts5261_disable_aspm(pcr, false);
+}
+
+static void rts5261_set_l1off_cfg_sub_d0(struct rtsx_pcr *pcr, int active)
+{
+	struct rtsx_cr_option *option = &pcr->option;
+	int aspm_L1_1, aspm_L1_2;
+	u8 val = 0;
+
+	aspm_L1_1 = rtsx_check_dev_flag(pcr, ASPM_L1_1_EN);
+	aspm_L1_2 = rtsx_check_dev_flag(pcr, ASPM_L1_2_EN);
+
+	if (active) {
+		/* run, latency: 60us */
+		if (aspm_L1_1)
+			val = option->ltr_l1off_snooze_sspwrgate;
+	} else {
+		/* l1off, latency: 300us */
+		if (aspm_L1_2)
+			val = option->ltr_l1off_sspwrgate;
+	}
+
+	rtsx_set_l1off_sub(pcr, val);
+}
+
+static const struct pcr_ops rts5261_pcr_ops = {
+	.fetch_vendor_settings = rtsx5261_fetch_vendor_settings,
+	.turn_on_led = rts5261_turn_on_led,
+	.turn_off_led = rts5261_turn_off_led,
+	.extra_init_hw = rts5261_extra_init_hw,
+	.enable_auto_blink = rts5261_enable_auto_blink,
+	.disable_auto_blink = rts5261_disable_auto_blink,
+	.card_power_on = rts5261_card_power_on,
+	.card_power_off = rts5261_card_power_off,
+	.switch_output_voltage = rts5261_switch_output_voltage,
+	.force_power_down = rts5261_force_power_down,
+	.stop_cmd = rts5261_stop_cmd,
+	.set_aspm = rts5261_set_aspm,
+	.set_l1off_cfg_sub_d0 = rts5261_set_l1off_cfg_sub_d0,
+	.enable_ocp = rts5261_enable_ocp,
+	.disable_ocp = rts5261_disable_ocp,
+	.init_ocp = rts5261_init_ocp,
+	.process_ocp = rts5261_process_ocp,
+	.clear_ocpstat = rts5261_clear_ocpstat,
+};
+
+static inline u8 double_ssc_depth(u8 depth)
+{
+	return ((depth > 1) ? (depth - 1) : depth);
+}
+
+int rts5261_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
+		u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk)
+{
+	int err, clk;
+	u16 n;
+	u8 clk_divider, mcu_cnt, div;
+	static const u8 depth[] = {
+		[RTSX_SSC_DEPTH_4M] = RTS5261_SSC_DEPTH_4M,
+		[RTSX_SSC_DEPTH_2M] = RTS5261_SSC_DEPTH_2M,
+		[RTSX_SSC_DEPTH_1M] = RTS5261_SSC_DEPTH_1M,
+		[RTSX_SSC_DEPTH_500K] = RTS5261_SSC_DEPTH_512K,
+	};
+
+	if (initial_mode) {
+		/* We use 250k(around) here, in initial stage */
+		if (is_version(pcr, PID_5261, IC_VER_D)) {
+			clk_divider = SD_CLK_DIVIDE_256;
+			card_clock = 60000000;
+		} else {
+			clk_divider = SD_CLK_DIVIDE_128;
+			card_clock = 30000000;
+		}
+	} else {
+		clk_divider = SD_CLK_DIVIDE_0;
+	}
+	err = rtsx_pci_write_register(pcr, SD_CFG1,
+			SD_CLK_DIVIDE_MASK, clk_divider);
+	if (err < 0)
+		return err;
+
+	card_clock /= 1000000;
+	pcr_dbg(pcr, "Switch card clock to %dMHz\n", card_clock);
+
+	clk = card_clock;
+	if (!initial_mode && double_clk)
+		clk = card_clock * 2;
+	pcr_dbg(pcr, "Internal SSC clock: %dMHz (cur_clock = %d)\n",
+		clk, pcr->cur_clock);
+
+	if (clk == pcr->cur_clock)
+		return 0;
+
+	if (pcr->ops->conv_clk_and_div_n)
+		n = pcr->ops->conv_clk_and_div_n(clk, CLK_TO_DIV_N);
+	else
+		n = clk - 4;
+	if ((clk <= 4) || (n > 396))
+		return -EINVAL;
+
+	mcu_cnt = 125/clk + 3;
+	if (mcu_cnt > 15)
+		mcu_cnt = 15;
+
+	div = CLK_DIV_1;
+	while ((n < MIN_DIV_N_PCR - 4) && (div < CLK_DIV_8)) {
+		if (pcr->ops->conv_clk_and_div_n) {
+			int dbl_clk = pcr->ops->conv_clk_and_div_n(n,
+					DIV_N_TO_CLK) * 2;
+			n = pcr->ops->conv_clk_and_div_n(dbl_clk,
+					CLK_TO_DIV_N);
+		} else {
+			n = (n + 4) * 2 - 4;
+		}
+		div++;
+	}
+
+	n = (n / 2);
+	pcr_dbg(pcr, "n = %d, div = %d\n", n, div);
+
+	ssc_depth = depth[ssc_depth];
+	if (double_clk)
+		ssc_depth = double_ssc_depth(ssc_depth);
+
+	if (ssc_depth) {
+		if (div == CLK_DIV_2) {
+			if (ssc_depth > 1)
+				ssc_depth -= 1;
+			else
+				ssc_depth = RTS5261_SSC_DEPTH_8M;
+		} else if (div == CLK_DIV_4) {
+			if (ssc_depth > 2)
+				ssc_depth -= 2;
+			else
+				ssc_depth = RTS5261_SSC_DEPTH_8M;
+		} else if (div == CLK_DIV_8) {
+			if (ssc_depth > 3)
+				ssc_depth -= 3;
+			else
+				ssc_depth = RTS5261_SSC_DEPTH_8M;
+		}
+	} else {
+		ssc_depth = 0;
+	}
+	pcr_dbg(pcr, "ssc_depth = %d\n", ssc_depth);
+
+	rtsx_pci_init_cmd(pcr);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CLK_CTL,
+				CLK_LOW_FREQ, CLK_LOW_FREQ);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CLK_DIV,
+			0xFF, (div << 4) | mcu_cnt);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SSC_CTL1, SSC_RSTB, 0);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SSC_CTL2,
+			SSC_DEPTH_MASK, ssc_depth);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SSC_DIV_N_0, 0xFF, n);
+	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SSC_CTL1, SSC_RSTB, SSC_RSTB);
+	if (vpclk) {
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_VPCLK0_CTL,
+				PHASE_NOT_RESET, 0);
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_VPCLK1_CTL,
+				PHASE_NOT_RESET, 0);
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_VPCLK0_CTL,
+				PHASE_NOT_RESET, PHASE_NOT_RESET);
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_VPCLK1_CTL,
+				PHASE_NOT_RESET, PHASE_NOT_RESET);
+	}
+
+	err = rtsx_pci_send_cmd(pcr, 2000);
+	if (err < 0)
+		return err;
+
+	/* Wait SSC clock stable */
+	udelay(SSC_CLOCK_STABLE_WAIT);
+	err = rtsx_pci_write_register(pcr, CLK_CTL, CLK_LOW_FREQ, 0);
+	if (err < 0)
+		return err;
+
+	pcr->cur_clock = clk;
+	return 0;
+
+}
+
+void rts5261_init_params(struct rtsx_pcr *pcr)
+{
+	struct rtsx_cr_option *option = &pcr->option;
+	struct rtsx_hw_param *hw_param = &pcr->hw_param;
+
+	pcr->extra_caps = EXTRA_CAPS_SD_SDR50 | EXTRA_CAPS_SD_SDR104;
+	pcr->num_slots = 1;
+	pcr->ops = &rts5261_pcr_ops;
+
+	pcr->flags = 0;
+	pcr->card_drive_sel = RTSX_CARD_DRIVE_DEFAULT;
+	pcr->sd30_drive_sel_1v8 = CFG_DRIVER_TYPE_B;
+	pcr->sd30_drive_sel_3v3 = CFG_DRIVER_TYPE_B;
+	pcr->aspm_en = ASPM_L1_EN;
+	pcr->tx_initial_phase = SET_CLOCK_PHASE(27, 27, 11);
+	pcr->rx_initial_phase = SET_CLOCK_PHASE(24, 6, 5);
+
+	pcr->ic_version = rts5261_get_ic_version(pcr);
+	pcr->sd_pull_ctl_enable_tbl = rts5261_sd_pull_ctl_enable_tbl;
+	pcr->sd_pull_ctl_disable_tbl = rts5261_sd_pull_ctl_disable_tbl;
+
+	pcr->reg_pm_ctrl3 = RTS5261_AUTOLOAD_CFG3;
+
+	option->dev_flags = (LTR_L1SS_PWR_GATE_CHECK_CARD_EN
+				| LTR_L1SS_PWR_GATE_EN);
+	option->ltr_en = true;
+
+	/* init latency of active, idle, L1OFF to 60us, 300us, 3ms */
+	option->ltr_active_latency = LTR_ACTIVE_LATENCY_DEF;
+	option->ltr_idle_latency = LTR_IDLE_LATENCY_DEF;
+	option->ltr_l1off_latency = LTR_L1OFF_LATENCY_DEF;
+	option->l1_snooze_delay = L1_SNOOZE_DELAY_DEF;
+	option->ltr_l1off_sspwrgate = 0x7F;
+	option->ltr_l1off_snooze_sspwrgate = 0x78;
+
+	option->ocp_en = 1;
+	hw_param->interrupt_en |= SD_OC_INT_EN;
+	hw_param->ocp_glitch =  SD_OCP_GLITCH_800U;
+	option->sd_800mA_ocp_thd =  RTS5261_LDO1_OCP_THD_1040;
+}
diff --git a/drivers/misc/cardreader/rts5261.h b/drivers/misc/cardreader/rts5261.h
new file mode 100644
index 0000000..ebfdd23
--- /dev/null
+++ b/drivers/misc/cardreader/rts5261.h
@@ -0,0 +1,233 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Driver for Realtek PCI-Express card reader
+ *
+ * Copyright(c) 2018-2019 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * Author:
+ *   Rui FENG <rui_feng@realsil.com.cn>
+ *   Wei WANG <wei_wang@realsil.com.cn>
+ */
+#ifndef RTS5261_H
+#define RTS5261_H
+
+/*New add*/
+#define rts5261_vendor_setting_valid(reg)	((reg) & 0x010000)
+#define rts5261_reg_to_aspm(reg)		(((reg) >> 28) ^ 0x03)
+#define rts5261_reg_check_reverse_socket(reg)	((reg) & 0x04)
+#define rts5261_reg_to_card_drive_sel(reg)	((((reg) >> 6) & 0x01) << 6)
+#define rts5261_reg_to_sd30_drive_sel_1v8(reg)	(((reg) >> 22) ^ 0x03)
+#define rts5261_reg_to_sd30_drive_sel_3v3(reg)	(((reg) >> 16) ^ 0x03)
+
+
+#define RTS5261_AUTOLOAD_CFG0		0xFF7B
+#define RTS5261_AUTOLOAD_CFG1		0xFF7C
+#define RTS5261_AUTOLOAD_CFG2		0xFF7D
+#define RTS5261_AUTOLOAD_CFG3		0xFF7E
+#define RTS5261_AUTOLOAD_CFG4		0xFF7F
+#define RTS5261_FORCE_PRSNT_LOW		(1 << 6)
+#define RTS5261_AUX_CLK_16M_EN		(1 << 5)
+
+#define RTS5261_REG_VREF		0xFE97
+#define RTS5261_PWD_SUSPND_EN		(1 << 4)
+
+#define RTS5261_PAD_H3L1		0xFF79
+#define PAD_GPIO_H3L1			(1 << 3)
+
+/* SSC_CTL2 0xFC12 */
+#define RTS5261_SSC_DEPTH_MASK		0x07
+#define RTS5261_SSC_DEPTH_DISALBE	0x00
+#define RTS5261_SSC_DEPTH_8M		0x01
+#define RTS5261_SSC_DEPTH_4M		0x02
+#define RTS5261_SSC_DEPTH_2M		0x03
+#define RTS5261_SSC_DEPTH_1M		0x04
+#define RTS5261_SSC_DEPTH_512K		0x05
+#define RTS5261_SSC_DEPTH_256K		0x06
+#define RTS5261_SSC_DEPTH_128K		0x07
+
+/* efuse control register*/
+#define RTS5261_EFUSE_CTL		0xFC30
+#define RTS5261_EFUSE_ENABLE		0x80
+/* EFUSE_MODE: 0=READ 1=PROGRAM */
+#define RTS5261_EFUSE_MODE_MASK		0x40
+#define RTS5261_EFUSE_PROGRAM		0x40
+
+#define RTS5261_EFUSE_ADDR		0xFC31
+#define	RTS5261_EFUSE_ADDR_MASK		0x3F
+
+#define RTS5261_EFUSE_WRITE_DATA	0xFC32
+#define RTS5261_EFUSE_READ_DATA		0xFC34
+
+/* DMACTL 0xFE2C */
+#define RTS5261_DMA_PACK_SIZE_MASK	0xF0
+
+/* FW config info register */
+#define RTS5261_FW_CFG_INFO0		0xFF50
+#define RTS5261_FW_EXPRESS_TEST_MASK	(0x01<<0)
+#define RTS5261_FW_EA_MODE_MASK		(0x01<<5)
+
+/* FW config register */
+#define RTS5261_FW_CFG0			0xFF54
+#define RTS5261_FW_ENTER_EXPRESS	(0x01<<0)
+
+#define RTS5261_FW_CFG1			0xFF55
+#define RTS5261_SYS_CLK_SEL_MCU_CLK	(0x01<<7)
+#define RTS5261_CRC_CLK_SEL_MCU_CLK	(0x01<<6)
+#define RTS5261_FAKE_MCU_CLOCK_GATING	(0x01<<5)
+/*MCU_bus_mode_sel: 0=real 8051 1=fake mcu*/
+#define RTS5261_MCU_BUS_SEL_MASK	(0x01<<4)
+/*MCU_clock_sel:VerA 00=aux16M 01=aux400K 1x=REFCLK100M*/
+/*MCU_clock_sel:VerB 00=aux400K 01=aux16M 10=REFCLK100M*/
+#define RTS5261_MCU_CLOCK_SEL_MASK	(0x03<<2)
+#define RTS5261_MCU_CLOCK_SEL_16M	(0x01<<2)
+#define RTS5261_MCU_CLOCK_GATING	(0x01<<1)
+#define RTS5261_DRIVER_ENABLE_FW	(0x01<<0)
+
+/* FW status register */
+#define RTS5261_FW_STATUS		0xFF56
+#define RTS5261_EXPRESS_LINK_FAIL_MASK	(0x01<<7)
+
+/* FW control register */
+#define RTS5261_FW_CTL			0xFF5F
+#define RTS5261_INFORM_RTD3_COLD	(0x01<<5)
+
+#define RTS5261_REG_FPDCTL		0xFF60
+
+#define RTS5261_REG_LDO12_CFG		0xFF6E
+#define RTS5261_LDO12_VO_TUNE_MASK	(0x07<<1)
+#define RTS5261_LDO12_115		(0x03<<1)
+#define RTS5261_LDO12_120		(0x04<<1)
+#define RTS5261_LDO12_125		(0x05<<1)
+#define RTS5261_LDO12_130		(0x06<<1)
+#define RTS5261_LDO12_135		(0x07<<1)
+
+/* LDO control register */
+#define RTS5261_CARD_PWR_CTL		0xFD50
+#define RTS5261_SD_CLK_ISO		(0x01<<7)
+#define RTS5261_PAD_SD_DAT_FW_CTRL	(0x01<<6)
+#define RTS5261_PUPDC			(0x01<<5)
+#define RTS5261_SD_CMD_ISO		(0x01<<4)
+#define RTS5261_SD_DAT_ISO_MASK		(0x0F<<0)
+
+#define RTS5261_LDO1233318_POW_CTL	0xFF70
+#define RTS5261_LDO3318_POWERON		(0x01<<3)
+#define RTS5261_LDO3_POWERON		(0x01<<2)
+#define RTS5261_LDO2_POWERON		(0x01<<1)
+#define RTS5261_LDO1_POWERON		(0x01<<0)
+#define RTS5261_LDO_POWERON_MASK	(0x0F<<0)
+
+#define RTS5261_DV3318_CFG		0xFF71
+#define RTS5261_DV3318_TUNE_MASK	(0x07<<4)
+#define RTS5261_DV3318_18		(0x02<<4)
+#define RTS5261_DV3318_19		(0x04<<4)
+#define RTS5261_DV3318_33		(0x07<<4)
+
+#define RTS5261_LDO1_CFG0		0xFF72
+#define RTS5261_LDO1_OCP_THD_MASK	(0x07<<5)
+#define RTS5261_LDO1_OCP_EN		(0x01<<4)
+#define RTS5261_LDO1_OCP_LMT_THD_MASK	(0x03<<2)
+#define RTS5261_LDO1_OCP_LMT_EN		(0x01<<1)
+
+/* CRD6603-433 190319 request changed */
+#define RTS5261_LDO1_OCP_THD_740	(0x00<<5)
+#define RTS5261_LDO1_OCP_THD_800	(0x01<<5)
+#define RTS5261_LDO1_OCP_THD_860	(0x02<<5)
+#define RTS5261_LDO1_OCP_THD_920	(0x03<<5)
+#define RTS5261_LDO1_OCP_THD_980	(0x04<<5)
+#define RTS5261_LDO1_OCP_THD_1040	(0x05<<5)
+#define RTS5261_LDO1_OCP_THD_1100	(0x06<<5)
+#define RTS5261_LDO1_OCP_THD_1160	(0x07<<5)
+
+#define RTS5261_LDO1_LMT_THD_450	(0x00<<2)
+#define RTS5261_LDO1_LMT_THD_1000	(0x01<<2)
+#define RTS5261_LDO1_LMT_THD_1500	(0x02<<2)
+#define RTS5261_LDO1_LMT_THD_2000	(0x03<<2)
+
+#define RTS5261_LDO1_CFG1		0xFF73
+#define RTS5261_LDO1_TUNE_MASK		(0x07<<1)
+#define RTS5261_LDO1_18			(0x05<<1)
+#define RTS5261_LDO1_33			(0x07<<1)
+#define RTS5261_LDO1_PWD_MASK		(0x01<<0)
+
+#define RTS5261_LDO2_CFG0		0xFF74
+#define RTS5261_LDO2_OCP_THD_MASK	(0x07<<5)
+#define RTS5261_LDO2_OCP_EN		(0x01<<4)
+#define RTS5261_LDO2_OCP_LMT_THD_MASK	(0x03<<2)
+#define RTS5261_LDO2_OCP_LMT_EN		(0x01<<1)
+
+#define RTS5261_LDO2_OCP_THD_620	(0x00<<5)
+#define RTS5261_LDO2_OCP_THD_650	(0x01<<5)
+#define RTS5261_LDO2_OCP_THD_680	(0x02<<5)
+#define RTS5261_LDO2_OCP_THD_720	(0x03<<5)
+#define RTS5261_LDO2_OCP_THD_750	(0x04<<5)
+#define RTS5261_LDO2_OCP_THD_780	(0x05<<5)
+#define RTS5261_LDO2_OCP_THD_810	(0x06<<5)
+#define RTS5261_LDO2_OCP_THD_840	(0x07<<5)
+
+#define RTS5261_LDO2_CFG1		0xFF75
+#define RTS5261_LDO2_TUNE_MASK		(0x07<<1)
+#define RTS5261_LDO2_18			(0x05<<1)
+#define RTS5261_LDO2_33			(0x07<<1)
+#define RTS5261_LDO2_PWD_MASK		(0x01<<0)
+
+#define RTS5261_LDO3_CFG0		0xFF76
+#define RTS5261_LDO3_OCP_THD_MASK	(0x07<<5)
+#define RTS5261_LDO3_OCP_EN		(0x01<<4)
+#define RTS5261_LDO3_OCP_LMT_THD_MASK	(0x03<<2)
+#define RTS5261_LDO3_OCP_LMT_EN		(0x01<<1)
+
+#define RTS5261_LDO3_OCP_THD_620	(0x00<<5)
+#define RTS5261_LDO3_OCP_THD_650	(0x01<<5)
+#define RTS5261_LDO3_OCP_THD_680	(0x02<<5)
+#define RTS5261_LDO3_OCP_THD_720	(0x03<<5)
+#define RTS5261_LDO3_OCP_THD_750	(0x04<<5)
+#define RTS5261_LDO3_OCP_THD_780	(0x05<<5)
+#define RTS5261_LDO3_OCP_THD_810	(0x06<<5)
+#define RTS5261_LDO3_OCP_THD_840	(0x07<<5)
+
+#define RTS5261_LDO3_CFG1		0xFF77
+#define RTS5261_LDO3_TUNE_MASK		(0x07<<1)
+#define RTS5261_LDO3_18			(0x05<<1)
+#define RTS5261_LDO3_33			(0x07<<1)
+#define RTS5261_LDO3_PWD_MASK		(0x01<<0)
+
+#define RTS5261_REG_PME_FORCE_CTL	0xFF78
+#define FORCE_PM_CONTROL		0x20
+#define FORCE_PM_VALUE			0x10
+#define REG_EFUSE_BYPASS		0x08
+#define REG_EFUSE_POR			0x04
+#define REG_EFUSE_POWER_MASK		0x03
+#define REG_EFUSE_POWERON		0x03
+#define REG_EFUSE_POWEROFF		0x00
+
+
+/* Single LUN, support SD/SD EXPRESS */
+#define DEFAULT_SINGLE		0
+#define SD_LUN			1
+#define SD_EXPRESS_LUN		2
+
+/* For Change_FPGA_SSCClock Function */
+#define MULTIPLY_BY_1    0x00
+#define MULTIPLY_BY_2    0x01
+#define MULTIPLY_BY_3    0x02
+#define MULTIPLY_BY_4    0x03
+#define MULTIPLY_BY_5    0x04
+#define MULTIPLY_BY_6    0x05
+#define MULTIPLY_BY_7    0x06
+#define MULTIPLY_BY_8    0x07
+#define MULTIPLY_BY_9    0x08
+#define MULTIPLY_BY_10   0x09
+
+#define DIVIDE_BY_2      0x01
+#define DIVIDE_BY_3      0x02
+#define DIVIDE_BY_4      0x03
+#define DIVIDE_BY_5      0x04
+#define DIVIDE_BY_6      0x05
+#define DIVIDE_BY_7      0x06
+#define DIVIDE_BY_8      0x07
+#define DIVIDE_BY_9      0x08
+#define DIVIDE_BY_10     0x09
+
+int rts5261_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
+		u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk);
+
+#endif /* RTS5261_H */
diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c
index 4c707d8..5d15607 100644
--- a/drivers/misc/cardreader/rtsx_pcr.c
+++ b/drivers/misc/cardreader/rtsx_pcr.c
@@ -22,6 +22,8 @@
 #include <asm/unaligned.h>
 
 #include "rtsx_pcr.h"
+#include "rts5261.h"
+#include "rts5228.h"
 
 static bool msi_en = true;
 module_param(msi_en, bool, S_IRUGO | S_IWUSR);
@@ -34,9 +36,6 @@
 	[RTSX_SD_CARD] = {
 		.name = DRV_NAME_RTSX_PCI_SDMMC,
 	},
-	[RTSX_MS_CARD] = {
-		.name = DRV_NAME_RTSX_PCI_MS,
-	},
 };
 
 static const struct pci_device_id rtsx_pci_ids[] = {
@@ -51,21 +50,17 @@
 	{ PCI_DEVICE(0x10EC, 0x524A), PCI_CLASS_OTHERS << 16, 0xFF0000 },
 	{ PCI_DEVICE(0x10EC, 0x525A), PCI_CLASS_OTHERS << 16, 0xFF0000 },
 	{ PCI_DEVICE(0x10EC, 0x5260), PCI_CLASS_OTHERS << 16, 0xFF0000 },
+	{ PCI_DEVICE(0x10EC, 0x5261), PCI_CLASS_OTHERS << 16, 0xFF0000 },
+	{ PCI_DEVICE(0x10EC, 0x5228), PCI_CLASS_OTHERS << 16, 0xFF0000 },
 	{ 0, }
 };
 
 MODULE_DEVICE_TABLE(pci, rtsx_pci_ids);
 
-static inline void rtsx_pci_enable_aspm(struct rtsx_pcr *pcr)
-{
-	rtsx_pci_update_cfg_byte(pcr, pcr->pcie_cap + PCI_EXP_LNKCTL,
-		0xFC, pcr->aspm_en);
-}
-
 static inline void rtsx_pci_disable_aspm(struct rtsx_pcr *pcr)
 {
-	rtsx_pci_update_cfg_byte(pcr, pcr->pcie_cap + PCI_EXP_LNKCTL,
-		0xFC, 0);
+	pcie_capability_clear_and_set_word(pcr->pci, PCI_EXP_LNKCTL,
+					   PCI_EXP_LNKCTL_ASPMC, 0);
 }
 
 static int rtsx_comm_set_ltr_latency(struct rtsx_pcr *pcr, u32 latency)
@@ -86,32 +81,17 @@
 
 int rtsx_set_ltr_latency(struct rtsx_pcr *pcr, u32 latency)
 {
-	if (pcr->ops->set_ltr_latency)
-		return pcr->ops->set_ltr_latency(pcr, latency);
-	else
-		return rtsx_comm_set_ltr_latency(pcr, latency);
+	return rtsx_comm_set_ltr_latency(pcr, latency);
 }
 
 static void rtsx_comm_set_aspm(struct rtsx_pcr *pcr, bool enable)
 {
-	struct rtsx_cr_option *option = &pcr->option;
-
 	if (pcr->aspm_enabled == enable)
 		return;
 
-	if (option->dev_aspm_mode == DEV_ASPM_DYNAMIC) {
-		if (enable)
-			rtsx_pci_enable_aspm(pcr);
-		else
-			rtsx_pci_disable_aspm(pcr);
-	} else if (option->dev_aspm_mode == DEV_ASPM_BACKDOOR) {
-		u8 mask = FORCE_ASPM_VAL_MASK;
-		u8 val = 0;
-
-		if (enable)
-			val = pcr->aspm_en;
-		rtsx_pci_write_register(pcr, ASPM_FORCE_CTL,  mask, val);
-	}
+	pcie_capability_clear_and_set_word(pcr->pci, PCI_EXP_LNKCTL,
+					   PCI_EXP_LNKCTL_ASPMC,
+					   enable ? pcr->aspm_en : 0);
 
 	pcr->aspm_enabled = enable;
 }
@@ -155,10 +135,7 @@
 
 static void rtsx_pm_full_on(struct rtsx_pcr *pcr)
 {
-	if (pcr->ops->full_on)
-		pcr->ops->full_on(pcr);
-	else
-		rtsx_comm_pm_full_on(pcr);
+	rtsx_comm_pm_full_on(pcr);
 }
 
 void rtsx_pci_start_run(struct rtsx_pcr *pcr)
@@ -231,16 +208,10 @@
 	int err, i, finished = 0;
 	u8 tmp;
 
-	rtsx_pci_init_cmd(pcr);
-
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PHYDATA0, 0xFF, (u8)val);
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PHYDATA1, 0xFF, (u8)(val >> 8));
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PHYADDR, 0xFF, addr);
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PHYRWCTL, 0xFF, 0x81);
-
-	err = rtsx_pci_send_cmd(pcr, 100);
-	if (err < 0)
-		return err;
+	rtsx_pci_write_register(pcr, PHYDATA0, 0xFF, (u8)val);
+	rtsx_pci_write_register(pcr, PHYDATA1, 0xFF, (u8)(val >> 8));
+	rtsx_pci_write_register(pcr, PHYADDR, 0xFF, addr);
+	rtsx_pci_write_register(pcr, PHYRWCTL, 0xFF, 0x81);
 
 	for (i = 0; i < 100000; i++) {
 		err = rtsx_pci_read_register(pcr, PHYRWCTL, &tmp);
@@ -272,16 +243,10 @@
 {
 	int err, i, finished = 0;
 	u16 data;
-	u8 *ptr, tmp;
+	u8 tmp, val1, val2;
 
-	rtsx_pci_init_cmd(pcr);
-
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PHYADDR, 0xFF, addr);
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PHYRWCTL, 0xFF, 0x80);
-
-	err = rtsx_pci_send_cmd(pcr, 100);
-	if (err < 0)
-		return err;
+	rtsx_pci_write_register(pcr, PHYADDR, 0xFF, addr);
+	rtsx_pci_write_register(pcr, PHYRWCTL, 0xFF, 0x80);
 
 	for (i = 0; i < 100000; i++) {
 		err = rtsx_pci_read_register(pcr, PHYRWCTL, &tmp);
@@ -297,17 +262,9 @@
 	if (!finished)
 		return -ETIMEDOUT;
 
-	rtsx_pci_init_cmd(pcr);
-
-	rtsx_pci_add_cmd(pcr, READ_REG_CMD, PHYDATA0, 0, 0);
-	rtsx_pci_add_cmd(pcr, READ_REG_CMD, PHYDATA1, 0, 0);
-
-	err = rtsx_pci_send_cmd(pcr, 100);
-	if (err < 0)
-		return err;
-
-	ptr = rtsx_pci_get_cmd_data(pcr);
-	data = ((u16)ptr[1] << 8) | ptr[0];
+	rtsx_pci_read_register(pcr, PHYDATA0, &val1);
+	rtsx_pci_read_register(pcr, PHYDATA1, &val2);
+	data = val1 | (val2 << 8);
 
 	if (val)
 		*val = data;
@@ -441,8 +398,16 @@
 
 	if (end)
 		option |= RTSX_SG_END;
-	val = ((u64)addr << 32) | ((u64)len << 12) | option;
 
+	if ((PCI_PID(pcr) == PID_5261) || (PCI_PID(pcr) == PID_5228)) {
+		if (len > 0xFFFF)
+			val = ((u64)addr << 32) | (((u64)len & 0xFFFF) << 16)
+				| (((u64)len >> 16) << 6) | option;
+		else
+			val = ((u64)addr << 32) | ((u64)len << 16) | option;
+	} else {
+		val = ((u64)addr << 32) | ((u64)len << 12) | option;
+	}
 	put_unaligned_le64(val, ptr);
 	pcr->sgi++;
 }
@@ -687,7 +652,6 @@
 	else
 		return -EINVAL;
 
-
 	return rtsx_pci_set_pull_ctl(pcr, tbl);
 }
 EXPORT_SYMBOL_GPL(rtsx_pci_card_pull_ctl_disable);
@@ -738,6 +702,13 @@
 		[RTSX_SSC_DEPTH_250K] = SSC_DEPTH_250K,
 	};
 
+	if (PCI_PID(pcr) == PID_5261)
+		return rts5261_pci_switch_clock(pcr, card_clock,
+				ssc_depth, initial_mode, double_clk, vpclk);
+	if (PCI_PID(pcr) == PID_5228)
+		return rts5228_pci_switch_clock(pcr, card_clock,
+				ssc_depth, initial_mode, double_clk, vpclk);
+
 	if (initial_mode) {
 		/* We use 250k(around) here, in initial stage */
 		clk_divider = SD_CLK_DIVIDE_128;
@@ -1101,10 +1072,7 @@
 
 static void rtsx_pm_power_saving(struct rtsx_pcr *pcr)
 {
-	if (pcr->ops->power_saving)
-		pcr->ops->power_saving(pcr);
-	else
-		rtsx_comm_pm_power_saving(pcr);
+	rtsx_comm_pm_power_saving(pcr);
 }
 
 static void rtsx_pci_idle_work(struct work_struct *work)
@@ -1128,8 +1096,21 @@
 	mutex_unlock(&pcr->pcr_mutex);
 }
 
-#ifdef CONFIG_PM
-static void rtsx_pci_power_off(struct rtsx_pcr *pcr, u8 pm_state)
+static void rtsx_base_force_power_down(struct rtsx_pcr *pcr, u8 pm_state)
+{
+	/* Set relink_time to 0 */
+	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, MASK_8_BIT_DEF, 0);
+	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, MASK_8_BIT_DEF, 0);
+	rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3,
+			RELINK_TIME_MASK, 0);
+
+	rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3,
+			D3_DELINK_MODE_EN, D3_DELINK_MODE_EN);
+
+	rtsx_pci_write_register(pcr, FPDCTL, ALL_POWER_DOWN, ALL_POWER_DOWN);
+}
+
+static void __maybe_unused rtsx_pci_power_off(struct rtsx_pcr *pcr, u8 pm_state)
 {
 	if (pcr->ops->turn_off_led)
 		pcr->ops->turn_off_led(pcr);
@@ -1142,8 +1123,9 @@
 
 	if (pcr->ops->force_power_down)
 		pcr->ops->force_power_down(pcr, pm_state);
+	else
+		rtsx_base_force_power_down(pcr, pm_state);
 }
-#endif
 
 void rtsx_pci_enable_ocp(struct rtsx_pcr *pcr)
 {
@@ -1215,6 +1197,36 @@
 	}
 }
 
+void rtsx_pci_enable_oobs_polling(struct rtsx_pcr *pcr)
+{
+	u16 val;
+
+	if ((PCI_PID(pcr) != PID_525A) && (PCI_PID(pcr) != PID_5260)) {
+		rtsx_pci_read_phy_register(pcr, 0x01, &val);
+		val |= 1<<9;
+		rtsx_pci_write_phy_register(pcr, 0x01, val);
+	}
+	rtsx_pci_write_register(pcr, REG_CFG_OOBS_OFF_TIMER, 0xFF, 0x32);
+	rtsx_pci_write_register(pcr, REG_CFG_OOBS_ON_TIMER, 0xFF, 0x05);
+	rtsx_pci_write_register(pcr, REG_CFG_VCM_ON_TIMER, 0xFF, 0x83);
+	rtsx_pci_write_register(pcr, REG_CFG_OOBS_POLLING, 0xFF, 0xDE);
+
+}
+
+void rtsx_pci_disable_oobs_polling(struct rtsx_pcr *pcr)
+{
+	u16 val;
+
+	if ((PCI_PID(pcr) != PID_525A) && (PCI_PID(pcr) != PID_5260)) {
+		rtsx_pci_read_phy_register(pcr, 0x01, &val);
+		val &= ~(1<<9);
+		rtsx_pci_write_phy_register(pcr, 0x01, val);
+	}
+	rtsx_pci_write_register(pcr, REG_CFG_VCM_ON_TIMER, 0xFF, 0x03);
+	rtsx_pci_write_register(pcr, REG_CFG_OOBS_POLLING, 0xFF, 0x00);
+
+}
+
 int rtsx_sd_power_off_card3v3(struct rtsx_pcr *pcr)
 {
 	rtsx_pci_write_register(pcr, CARD_CLK_EN, SD_CLK_EN |
@@ -1244,15 +1256,27 @@
 
 static int rtsx_pci_init_hw(struct rtsx_pcr *pcr)
 {
+	struct pci_dev *pdev = pcr->pci;
 	int err;
 
-	pcr->pcie_cap = pci_find_capability(pcr->pci, PCI_CAP_ID_EXP);
+	if (PCI_PID(pcr) == PID_5228)
+		rtsx_pci_write_register(pcr, RTS5228_LDO1_CFG1, RTS5228_LDO1_SR_TIME_MASK,
+				RTS5228_LDO1_SR_0_5);
+
 	rtsx_pci_writel(pcr, RTSX_HCBAR, pcr->host_cmds_addr);
 
 	rtsx_pci_enable_bus_int(pcr);
 
 	/* Power on SSC */
-	err = rtsx_pci_write_register(pcr, FPDCTL, SSC_POWER_DOWN, 0);
+	if (PCI_PID(pcr) == PID_5261) {
+		/* Gating real mcu clock */
+		err = rtsx_pci_write_register(pcr, RTS5261_FW_CFG1,
+			RTS5261_MCU_CLOCK_GATING, 0);
+		err = rtsx_pci_write_register(pcr, RTS5261_REG_FPDCTL,
+			SSC_POWER_DOWN, 0);
+	} else {
+		err = rtsx_pci_write_register(pcr, FPDCTL, SSC_POWER_DOWN, 0);
+	}
 	if (err < 0)
 		return err;
 
@@ -1282,7 +1306,15 @@
 	/* Enable SSC Clock */
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SSC_CTL1,
 			0xFF, SSC_8X_EN | SSC_SEL_4M);
-	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SSC_CTL2, 0xFF, 0x12);
+	if (PCI_PID(pcr) == PID_5261)
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SSC_CTL2, 0xFF,
+			RTS5261_SSC_DEPTH_2M);
+	else if (PCI_PID(pcr) == PID_5228)
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SSC_CTL2, 0xFF,
+			RTS5228_SSC_DEPTH_2M);
+	else
+		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SSC_CTL2, 0xFF, 0x12);
+
 	/* Disable cd_pwr_save */
 	rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CHANGE_LINK_STATE, 0x16, 0x10);
 	/* Clear Link Ready Interrupt */
@@ -1313,6 +1345,8 @@
 	case PID_524A:
 	case PID_525A:
 	case PID_5260:
+	case PID_5261:
+	case PID_5228:
 		rtsx_pci_write_register(pcr, PM_CLK_FORCE_CTL, 1, 1);
 		break;
 	default:
@@ -1323,9 +1357,10 @@
 	rtsx_pci_init_ocp(pcr);
 
 	/* Enable clk_request_n to enable clock power management */
-	rtsx_pci_write_config_byte(pcr, pcr->pcie_cap + PCI_EXP_LNKCTL + 1, 1);
+	pcie_capability_write_word(pdev, PCI_EXP_LNKCTL,
+				   PCI_EXP_LNKCTL_CLKREQ_EN);
 	/* Enter L1 when host tx idle */
-	rtsx_pci_write_config_byte(pcr, 0x70F, 0x5B);
+	pci_write_config_byte(pdev, 0x70F, 0x5B);
 
 	if (pcr->ops->extra_init_hw) {
 		err = pcr->ops->extra_init_hw(pcr);
@@ -1392,9 +1427,18 @@
 	case 0x5286:
 		rtl8402_init_params(pcr);
 		break;
+
 	case 0x5260:
 		rts5260_init_params(pcr);
 		break;
+
+	case 0x5261:
+		rts5261_init_params(pcr);
+		break;
+
+	case 0x5228:
+		rts5228_init_params(pcr);
+		break;
 	}
 
 	pcr_dbg(pcr, "PID: 0x%04x, IC version: 0x%02x\n",
@@ -1482,7 +1526,7 @@
 		bar = 1;
 	len = pci_resource_len(pcidev, bar);
 	base = pci_resource_start(pcidev, bar);
-	pcr->remap_addr = ioremap_nocache(base, len);
+	pcr->remap_addr = ioremap(base, len);
 	if (!pcr->remap_addr) {
 		ret = -ENOMEM;
 		goto free_handle;
@@ -1600,10 +1644,9 @@
 		pci_name(pcidev), (int)pcidev->vendor, (int)pcidev->device);
 }
 
-#ifdef CONFIG_PM
-
-static int rtsx_pci_suspend(struct pci_dev *pcidev, pm_message_t state)
+static int __maybe_unused rtsx_pci_suspend(struct device *dev_d)
 {
+	struct pci_dev *pcidev = to_pci_dev(dev_d);
 	struct pcr_handle *handle;
 	struct rtsx_pcr *pcr;
 
@@ -1619,17 +1662,15 @@
 
 	rtsx_pci_power_off(pcr, HOST_ENTER_S3);
 
-	pci_save_state(pcidev);
-	pci_enable_wake(pcidev, pci_choose_state(pcidev, state), 0);
-	pci_disable_device(pcidev);
-	pci_set_power_state(pcidev, pci_choose_state(pcidev, state));
+	device_wakeup_disable(dev_d);
 
 	mutex_unlock(&pcr->pcr_mutex);
 	return 0;
 }
 
-static int rtsx_pci_resume(struct pci_dev *pcidev)
+static int __maybe_unused rtsx_pci_resume(struct device *dev_d)
 {
+	struct pci_dev *pcidev = to_pci_dev(dev_d);
 	struct pcr_handle *handle;
 	struct rtsx_pcr *pcr;
 	int ret = 0;
@@ -1641,13 +1682,6 @@
 
 	mutex_lock(&pcr->pcr_mutex);
 
-	pci_set_power_state(pcidev, PCI_D0);
-	pci_restore_state(pcidev);
-	ret = pci_enable_device(pcidev);
-	if (ret)
-		goto out;
-	pci_set_master(pcidev);
-
 	ret = rtsx_pci_write_register(pcr, HOST_SLEEP_STATE, 0x03, 0x00);
 	if (ret)
 		goto out;
@@ -1663,6 +1697,8 @@
 	return ret;
 }
 
+#ifdef CONFIG_PM
+
 static void rtsx_pci_shutdown(struct pci_dev *pcidev)
 {
 	struct pcr_handle *handle;
@@ -1682,19 +1718,18 @@
 
 #else /* CONFIG_PM */
 
-#define rtsx_pci_suspend NULL
-#define rtsx_pci_resume NULL
 #define rtsx_pci_shutdown NULL
 
 #endif /* CONFIG_PM */
 
+static SIMPLE_DEV_PM_OPS(rtsx_pci_pm_ops, rtsx_pci_suspend, rtsx_pci_resume);
+
 static struct pci_driver rtsx_pci_driver = {
 	.name = DRV_NAME_RTSX_PCI,
 	.id_table = rtsx_pci_ids,
 	.probe = rtsx_pci_probe,
 	.remove = rtsx_pci_remove,
-	.suspend = rtsx_pci_suspend,
-	.resume = rtsx_pci_resume,
+	.driver.pm = &rtsx_pci_pm_ops,
 	.shutdown = rtsx_pci_shutdown,
 };
 module_pci_driver(rtsx_pci_driver);
diff --git a/drivers/misc/cardreader/rtsx_pcr.h b/drivers/misc/cardreader/rtsx_pcr.h
index 98f7292..fe5f4ca 100644
--- a/drivers/misc/cardreader/rtsx_pcr.h
+++ b/drivers/misc/cardreader/rtsx_pcr.h
@@ -18,7 +18,24 @@
 #define RTS522A_PM_CTRL3		0xFF7E
 
 #define RTS524A_PME_FORCE_CTL		0xFF78
+#define REG_EFUSE_BYPASS		0x08
+#define REG_EFUSE_POR			0x04
+#define REG_EFUSE_POWER_MASK		0x03
+#define REG_EFUSE_POWERON		0x03
+#define REG_EFUSE_POWEROFF		0x00
+#define RTS5250_CLK_CFG3		0xFF79
+#define RTS525A_CFG_MEM_PD		0xF0
 #define RTS524A_PM_CTRL3		0xFF7E
+#define RTS525A_BIOS_CFG		0xFF2D
+#define RTS525A_LOAD_BIOS_FLAG	0x01
+#define RTS525A_CLEAR_BIOS_FLAG	0x00
+
+#define RTS525A_EFUSE_CTL		0xFC32
+#define REG_EFUSE_ENABLE		0x80
+#define REG_EFUSE_MODE			0x40
+#define RTS525A_EFUSE_ADD		0xFC33
+#define REG_EFUSE_ADD_MASK		0x3F
+#define RTS525A_EFUSE_DATA		0xFC35
 
 #define LTR_ACTIVE_LATENCY_DEF		0x883C
 #define LTR_IDLE_LATENCY_DEF		0x892C
@@ -29,7 +46,6 @@
 #define LTR_L1OFF_SNOOZE_SSPWRGATE_5249_DEF	0xAC
 #define LTR_L1OFF_SNOOZE_SSPWRGATE_5250_DEF	0xF8
 #define CMD_TIMEOUT_DEF		100
-#define ASPM_MASK_NEG		0xFC
 #define MASK_8_BIT_DEF		0xFF
 
 #define SSC_CLOCK_STABLE_WAIT	130
@@ -53,6 +69,8 @@
 void rts525a_init_params(struct rtsx_pcr *pcr);
 void rtl8411b_init_params(struct rtsx_pcr *pcr);
 void rts5260_init_params(struct rtsx_pcr *pcr);
+void rts5261_init_params(struct rtsx_pcr *pcr);
+void rts5228_init_params(struct rtsx_pcr *pcr);
 
 static inline u8 map_sd_drive(int idx)
 {
@@ -70,6 +88,8 @@
 #define rts5209_vendor_setting1_valid(reg)	(!((reg) & 0x80))
 #define rts5209_vendor_setting2_valid(reg)	((reg) & 0x80)
 
+#define rtsx_check_mmc_support(reg)		((reg) & 0x10)
+#define rtsx_reg_to_rtd3(reg)				((reg) & 0x02)
 #define rtsx_reg_to_aspm(reg)			(((reg) >> 28) & 0x03)
 #define rtsx_reg_to_sd30_drive_sel_1v8(reg)	(((reg) >> 26) & 0x03)
 #define rtsx_reg_to_sd30_drive_sel_3v3(reg)	(((reg) >> 5) & 0x03)
@@ -100,6 +120,8 @@
 void rtsx_pci_enable_ocp(struct rtsx_pcr *pcr);
 int rtsx_pci_get_ocpstat(struct rtsx_pcr *pcr, u8 *val);
 void rtsx_pci_clear_ocpstat(struct rtsx_pcr *pcr);
+void rtsx_pci_enable_oobs_polling(struct rtsx_pcr *pcr);
+void rtsx_pci_disable_oobs_polling(struct rtsx_pcr *pcr);
 int rtsx_sd_power_off_card3v3(struct rtsx_pcr *pcr);
 int rtsx_ms_power_off_card3v3(struct rtsx_pcr *pcr);
 
diff --git a/drivers/misc/cardreader/rtsx_usb.c b/drivers/misc/cardreader/rtsx_usb.c
index a328cab..59eda55 100644
--- a/drivers/misc/cardreader/rtsx_usb.c
+++ b/drivers/misc/cardreader/rtsx_usb.c
@@ -759,7 +759,7 @@
 	return 0;
 }
 
-static struct usb_device_id rtsx_usb_usb_ids[] = {
+static const struct usb_device_id rtsx_usb_usb_ids[] = {
 	{ USB_DEVICE(0x0BDA, 0x0129) },
 	{ USB_DEVICE(0x0BDA, 0x0139) },
 	{ USB_DEVICE(0x0BDA, 0x0140) },