v4.19.13 snapshot.
diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c
new file mode 100644
index 0000000..973568d
--- /dev/null
+++ b/arch/arm/mach-pxa/pcm990-baseboard.c
@@ -0,0 +1,572 @@
+/*
+ * arch/arm/mach-pxa/pcm990-baseboard.c
+ * Support for the Phytec phyCORE-PXA270 Development Platform (PCM-990).
+ *
+ * Refer
+ * http://www.phytec.com/products/rdk/ARM-XScale/phyCORE-XScale-PXA270.html
+ * for additional hardware info
+ *
+ * Author: Juergen Kilb
+ * Created: April 05, 2005
+ * Copyright: Phytec Messtechnik GmbH
+ * e-Mail: armlinux@phytec.de
+ *
+ * based on Intel Mainstone Board
+ *
+ * Copyright 2007 Juergen Beisert @ Pengutronix (j.beisert@pengutronix.de)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/platform_data/i2c-pxa.h>
+#include <linux/pwm.h>
+#include <linux/pwm_backlight.h>
+
+#include <media/i2c/mt9v022.h>
+#include <media/soc_camera.h>
+
+#include <linux/platform_data/media/camera-pxa.h>
+#include <asm/mach/map.h>
+#include "pxa27x.h"
+#include <mach/audio.h>
+#include <linux/platform_data/mmc-pxamci.h>
+#include <linux/platform_data/usb-ohci-pxa27x.h>
+#include "pcm990_baseboard.h"
+#include <linux/platform_data/video-pxafb.h>
+
+#include "devices.h"
+#include "generic.h"
+
+static unsigned long pcm990_pin_config[] __initdata = {
+ /* MMC */
+ GPIO32_MMC_CLK,
+ GPIO112_MMC_CMD,
+ GPIO92_MMC_DAT_0,
+ GPIO109_MMC_DAT_1,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+ /* USB */
+ GPIO88_USBH1_PWR,
+ GPIO89_USBH1_PEN,
+ /* PWM0 */
+ GPIO16_PWM0_OUT,
+
+ /* I2C */
+ GPIO117_I2C_SCL,
+ GPIO118_I2C_SDA,
+
+ /* AC97 */
+ GPIO28_AC97_BITCLK,
+ GPIO29_AC97_SDATA_IN_0,
+ GPIO30_AC97_SDATA_OUT,
+ GPIO31_AC97_SYNC,
+};
+
+static void __iomem *pcm990_cpld_base;
+
+static u8 pcm990_cpld_readb(unsigned int reg)
+{
+ return readb(pcm990_cpld_base + reg);
+}
+
+static void pcm990_cpld_writeb(u8 value, unsigned int reg)
+{
+ writeb(value, pcm990_cpld_base + reg);
+}
+
+/*
+ * pcm990_lcd_power - control power supply to the LCD
+ * @on: 0 = switch off, 1 = switch on
+ *
+ * Called by the pxafb driver
+ */
+#ifndef CONFIG_PCM990_DISPLAY_NONE
+static void pcm990_lcd_power(int on, struct fb_var_screeninfo *var)
+{
+ if (on) {
+ /* enable LCD-Latches
+ * power on LCD
+ */
+ pcm990_cpld_writeb(PCM990_CTRL_LCDPWR + PCM990_CTRL_LCDON,
+ PCM990_CTRL_REG3);
+ } else {
+ /* disable LCD-Latches
+ * power off LCD
+ */
+ pcm990_cpld_writeb(0, PCM990_CTRL_REG3);
+ }
+}
+#endif
+
+#if defined(CONFIG_PCM990_DISPLAY_SHARP)
+static struct pxafb_mode_info fb_info_sharp_lq084v1dg21 = {
+ .pixclock = 28000,
+ .xres = 640,
+ .yres = 480,
+ .bpp = 16,
+ .hsync_len = 20,
+ .left_margin = 103,
+ .right_margin = 47,
+ .vsync_len = 6,
+ .upper_margin = 28,
+ .lower_margin = 5,
+ .sync = 0,
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info pcm990_fbinfo __initdata = {
+ .modes = &fb_info_sharp_lq084v1dg21,
+ .num_modes = 1,
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
+ .pxafb_lcd_power = pcm990_lcd_power,
+};
+#elif defined(CONFIG_PCM990_DISPLAY_NEC)
+struct pxafb_mode_info fb_info_nec_nl6448bc20_18d = {
+ .pixclock = 39720,
+ .xres = 640,
+ .yres = 480,
+ .bpp = 16,
+ .hsync_len = 32,
+ .left_margin = 16,
+ .right_margin = 48,
+ .vsync_len = 2,
+ .upper_margin = 12,
+ .lower_margin = 17,
+ .sync = 0,
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info pcm990_fbinfo __initdata = {
+ .modes = &fb_info_nec_nl6448bc20_18d,
+ .num_modes = 1,
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
+ .pxafb_lcd_power = pcm990_lcd_power,
+};
+#endif
+
+static struct pwm_lookup pcm990_pwm_lookup[] = {
+ PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 78770,
+ PWM_POLARITY_NORMAL),
+};
+
+static struct platform_pwm_backlight_data pcm990_backlight_data = {
+ .max_brightness = 1023,
+ .dft_brightness = 1023,
+ .enable_gpio = -1,
+};
+
+static struct platform_device pcm990_backlight_device = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &pxa27x_device_pwm0.dev,
+ .platform_data = &pcm990_backlight_data,
+ },
+};
+
+/*
+ * The PCM-990 development baseboard uses PCM-027's hardware in the
+ * following way:
+ *
+ * - LCD support is in use
+ * - GPIO16 is output for back light on/off with PWM
+ * - GPIO58 ... GPIO73 are outputs for display data
+ * - GPIO74 is output output for LCDFCLK
+ * - GPIO75 is output for LCDLCLK
+ * - GPIO76 is output for LCDPCLK
+ * - GPIO77 is output for LCDBIAS
+ * - MMC support is in use
+ * - GPIO32 is output for MMCCLK
+ * - GPIO92 is MMDAT0
+ * - GPIO109 is MMDAT1
+ * - GPIO110 is MMCS0
+ * - GPIO111 is MMCS1
+ * - GPIO112 is MMCMD
+ * - IDE/CF card is in use
+ * - GPIO48 is output /POE
+ * - GPIO49 is output /PWE
+ * - GPIO50 is output /PIOR
+ * - GPIO51 is output /PIOW
+ * - GPIO54 is output /PCE2
+ * - GPIO55 is output /PREG
+ * - GPIO56 is input /PWAIT
+ * - GPIO57 is output /PIOS16
+ * - GPIO79 is output PSKTSEL
+ * - GPIO85 is output /PCE1
+ * - FFUART is in use
+ * - GPIO34 is input FFRXD
+ * - GPIO35 is input FFCTS
+ * - GPIO36 is input FFDCD
+ * - GPIO37 is input FFDSR
+ * - GPIO38 is input FFRI
+ * - GPIO39 is output FFTXD
+ * - GPIO40 is output FFDTR
+ * - GPIO41 is output FFRTS
+ * - BTUART is in use
+ * - GPIO42 is input BTRXD
+ * - GPIO43 is output BTTXD
+ * - GPIO44 is input BTCTS
+ * - GPIO45 is output BTRTS
+ * - IRUART is in use
+ * - GPIO46 is input STDRXD
+ * - GPIO47 is output STDTXD
+ * - AC97 is in use*)
+ * - GPIO28 is input AC97CLK
+ * - GPIO29 is input AC97DatIn
+ * - GPIO30 is output AC97DatO
+ * - GPIO31 is output AC97SYNC
+ * - GPIO113 is output AC97_RESET
+ * - SSP is in use
+ * - GPIO23 is output SSPSCLK
+ * - GPIO24 is output chip select to Max7301
+ * - GPIO25 is output SSPTXD
+ * - GPIO26 is input SSPRXD
+ * - GPIO27 is input for Max7301 IRQ
+ * - GPIO53 is input SSPSYSCLK
+ * - SSP3 is in use
+ * - GPIO81 is output SSPTXD3
+ * - GPIO82 is input SSPRXD3
+ * - GPIO83 is output SSPSFRM
+ * - GPIO84 is output SSPCLK3
+ *
+ * Otherwise claimed GPIOs:
+ * GPIO1 -> IRQ from user switch
+ * GPIO9 -> IRQ from power management
+ * GPIO10 -> IRQ from WML9712 AC97 controller
+ * GPIO11 -> IRQ from IDE controller
+ * GPIO12 -> IRQ from CF controller
+ * GPIO13 -> IRQ from CF controller
+ * GPIO14 -> GPIO free
+ * GPIO15 -> /CS1 selects baseboard's Control CPLD (U7, 16 bit wide data path)
+ * GPIO19 -> GPIO free
+ * GPIO20 -> /SDCS2
+ * GPIO21 -> /CS3 PC card socket select
+ * GPIO33 -> /CS5 network controller select
+ * GPIO78 -> /CS2 (16 bit wide data path)
+ * GPIO80 -> /CS4 (16 bit wide data path)
+ * GPIO86 -> GPIO free
+ * GPIO87 -> GPIO free
+ * GPIO90 -> LED0 on CPU module
+ * GPIO91 -> LED1 on CPI module
+ * GPIO117 -> SCL
+ * GPIO118 -> SDA
+ */
+
+static unsigned long pcm990_irq_enabled;
+
+static void pcm990_mask_ack_irq(struct irq_data *d)
+{
+ int pcm990_irq = (d->irq - PCM027_IRQ(0));
+
+ pcm990_irq_enabled &= ~(1 << pcm990_irq);
+
+ pcm990_cpld_writeb(pcm990_irq_enabled, PCM990_CTRL_INTMSKENA);
+}
+
+static void pcm990_unmask_irq(struct irq_data *d)
+{
+ int pcm990_irq = (d->irq - PCM027_IRQ(0));
+ u8 val;
+
+ /* the irq can be acknowledged only if deasserted, so it's done here */
+
+ pcm990_irq_enabled |= (1 << pcm990_irq);
+
+ val = pcm990_cpld_readb(PCM990_CTRL_INTSETCLR);
+ val |= 1 << pcm990_irq;
+ pcm990_cpld_writeb(val, PCM990_CTRL_INTSETCLR);
+
+ pcm990_cpld_writeb(pcm990_irq_enabled, PCM990_CTRL_INTMSKENA);
+}
+
+static struct irq_chip pcm990_irq_chip = {
+ .irq_mask_ack = pcm990_mask_ack_irq,
+ .irq_unmask = pcm990_unmask_irq,
+};
+
+static void pcm990_irq_handler(struct irq_desc *desc)
+{
+ unsigned int irq;
+ unsigned long pending;
+
+ pending = ~pcm990_cpld_readb(PCM990_CTRL_INTSETCLR);
+ pending &= pcm990_irq_enabled;
+
+ do {
+ /* clear our parent IRQ */
+ desc->irq_data.chip->irq_ack(&desc->irq_data);
+ if (likely(pending)) {
+ irq = PCM027_IRQ(0) + __ffs(pending);
+ generic_handle_irq(irq);
+ }
+ pending = ~pcm990_cpld_readb(PCM990_CTRL_INTSETCLR);
+ pending &= pcm990_irq_enabled;
+ } while (pending);
+}
+
+static void __init pcm990_init_irq(void)
+{
+ int irq;
+
+ /* setup extra PCM990 irqs */
+ for (irq = PCM027_IRQ(0); irq <= PCM027_IRQ(3); irq++) {
+ irq_set_chip_and_handler(irq, &pcm990_irq_chip,
+ handle_level_irq);
+ irq_clear_status_flags(irq, IRQ_NOREQUEST | IRQ_NOPROBE);
+ }
+
+ /* disable all Interrupts */
+ pcm990_cpld_writeb(0x0, PCM990_CTRL_INTMSKENA);
+ pcm990_cpld_writeb(0xff, PCM990_CTRL_INTSETCLR);
+
+ irq_set_chained_handler(PCM990_CTRL_INT_IRQ, pcm990_irq_handler);
+ irq_set_irq_type(PCM990_CTRL_INT_IRQ, PCM990_CTRL_INT_IRQ_EDGE);
+}
+
+static int pcm990_mci_init(struct device *dev, irq_handler_t mci_detect_int,
+ void *data)
+{
+ int err;
+
+ err = request_irq(PCM027_MMCDET_IRQ, mci_detect_int, 0,
+ "MMC card detect", data);
+ if (err)
+ printk(KERN_ERR "pcm990_mci_init: MMC/SD: can't request MMC "
+ "card detect IRQ\n");
+
+ return err;
+}
+
+static int pcm990_mci_setpower(struct device *dev, unsigned int vdd)
+{
+ struct pxamci_platform_data *p_d = dev->platform_data;
+ u8 val;
+
+ val = pcm990_cpld_readb(PCM990_CTRL_REG5);
+
+ if ((1 << vdd) & p_d->ocr_mask)
+ val |= PCM990_CTRL_MMC2PWR;
+ else
+ val &= ~PCM990_CTRL_MMC2PWR;
+
+ pcm990_cpld_writeb(PCM990_CTRL_MMC2PWR, PCM990_CTRL_REG5);
+ return 0;
+}
+
+static void pcm990_mci_exit(struct device *dev, void *data)
+{
+ free_irq(PCM027_MMCDET_IRQ, data);
+}
+
+#define MSECS_PER_JIFFY (1000/HZ)
+
+static struct pxamci_platform_data pcm990_mci_platform_data = {
+ .detect_delay_ms = 250,
+ .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .init = pcm990_mci_init,
+ .setpower = pcm990_mci_setpower,
+ .exit = pcm990_mci_exit,
+ .gpio_card_detect = -1,
+ .gpio_card_ro = -1,
+ .gpio_power = -1,
+};
+
+static struct pxaohci_platform_data pcm990_ohci_platform_data = {
+ .port_mode = PMM_PERPORT_MODE,
+ .flags = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
+ .power_on_delay = 10,
+};
+
+/*
+ * PXA27x Camera specific stuff
+ */
+#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
+static unsigned long pcm990_camera_pin_config[] = {
+ /* CIF */
+ GPIO98_CIF_DD_0,
+ GPIO105_CIF_DD_1,
+ GPIO104_CIF_DD_2,
+ GPIO103_CIF_DD_3,
+ GPIO95_CIF_DD_4,
+ GPIO94_CIF_DD_5,
+ GPIO93_CIF_DD_6,
+ GPIO108_CIF_DD_7,
+ GPIO107_CIF_DD_8,
+ GPIO106_CIF_DD_9,
+ GPIO42_CIF_MCLK,
+ GPIO45_CIF_PCLK,
+ GPIO43_CIF_FV,
+ GPIO44_CIF_LV,
+};
+
+/*
+ * CICR4: PCLK_EN: Pixel clock is supplied by the sensor
+ * MCLK_EN: Master clock is generated by PXA
+ * PCP: Data sampled on the falling edge of pixel clock
+ */
+struct pxacamera_platform_data pcm990_pxacamera_platform_data = {
+ .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | PXA_CAMERA_DATAWIDTH_10 |
+ PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN/* | PXA_CAMERA_PCP*/,
+ .mclk_10khz = 1000,
+};
+
+#include <linux/platform_data/pca953x.h>
+
+static struct pca953x_platform_data pca9536_data = {
+ .gpio_base = PXA_NR_BUILTIN_GPIO,
+};
+
+static int gpio_bus_switch = -EINVAL;
+
+static int pcm990_camera_set_bus_param(struct soc_camera_link *link,
+ unsigned long flags)
+{
+ if (gpio_bus_switch < 0) {
+ if (flags == SOCAM_DATAWIDTH_10)
+ return 0;
+ else
+ return -EINVAL;
+ }
+
+ if (flags & SOCAM_DATAWIDTH_8)
+ gpio_set_value_cansleep(gpio_bus_switch, 1);
+ else
+ gpio_set_value_cansleep(gpio_bus_switch, 0);
+
+ return 0;
+}
+
+static unsigned long pcm990_camera_query_bus_param(struct soc_camera_link *link)
+{
+ int ret;
+
+ if (gpio_bus_switch < 0) {
+ ret = gpio_request(PXA_NR_BUILTIN_GPIO, "camera");
+ if (!ret) {
+ gpio_bus_switch = PXA_NR_BUILTIN_GPIO;
+ gpio_direction_output(gpio_bus_switch, 0);
+ }
+ }
+
+ if (gpio_bus_switch >= 0)
+ return SOCAM_DATAWIDTH_8 | SOCAM_DATAWIDTH_10;
+ else
+ return SOCAM_DATAWIDTH_10;
+}
+
+static void pcm990_camera_free_bus(struct soc_camera_link *link)
+{
+ if (gpio_bus_switch < 0)
+ return;
+
+ gpio_free(gpio_bus_switch);
+ gpio_bus_switch = -EINVAL;
+}
+
+/* Board I2C devices. */
+static struct i2c_board_info __initdata pcm990_i2c_devices[] = {
+ {
+ /* Must initialize before the camera(s) */
+ I2C_BOARD_INFO("pca9536", 0x41),
+ .platform_data = &pca9536_data,
+ },
+};
+
+static struct mt9v022_platform_data mt9v022_pdata = {
+ .y_skip_top = 1,
+};
+
+static struct i2c_board_info pcm990_camera_i2c[] = {
+ {
+ I2C_BOARD_INFO("mt9v022", 0x48),
+ }, {
+ I2C_BOARD_INFO("mt9m001", 0x5d),
+ },
+};
+
+static struct soc_camera_link iclink[] = {
+ {
+ .bus_id = 0, /* Must match with the camera ID */
+ .board_info = &pcm990_camera_i2c[0],
+ .priv = &mt9v022_pdata,
+ .i2c_adapter_id = 0,
+ .query_bus_param = pcm990_camera_query_bus_param,
+ .set_bus_param = pcm990_camera_set_bus_param,
+ .free_bus = pcm990_camera_free_bus,
+ }, {
+ .bus_id = 0, /* Must match with the camera ID */
+ .board_info = &pcm990_camera_i2c[1],
+ .i2c_adapter_id = 0,
+ .query_bus_param = pcm990_camera_query_bus_param,
+ .set_bus_param = pcm990_camera_set_bus_param,
+ .free_bus = pcm990_camera_free_bus,
+ },
+};
+
+static struct platform_device pcm990_camera[] = {
+ {
+ .name = "soc-camera-pdrv",
+ .id = 0,
+ .dev = {
+ .platform_data = &iclink[0],
+ },
+ }, {
+ .name = "soc-camera-pdrv",
+ .id = 1,
+ .dev = {
+ .platform_data = &iclink[1],
+ },
+ },
+};
+#endif /* CONFIG_VIDEO_PXA27x ||CONFIG_VIDEO_PXA27x_MODULE */
+
+/*
+ * system init for baseboard usage. Will be called by pcm027 init.
+ *
+ * Add platform devices present on this baseboard and init
+ * them from CPU side as far as required to use them later on
+ */
+void __init pcm990_baseboard_init(void)
+{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(pcm990_pin_config));
+
+ pcm990_cpld_base = ioremap(PCM990_CTRL_PHYS, PCM990_CTRL_SIZE);
+ if (!pcm990_cpld_base) {
+ pr_err("pcm990: failed to ioremap cpld\n");
+ return;
+ }
+
+ /* register CPLD's IRQ controller */
+ pcm990_init_irq();
+
+#ifndef CONFIG_PCM990_DISPLAY_NONE
+ pxa_set_fb_info(NULL, &pcm990_fbinfo);
+#endif
+ pwm_add_table(pcm990_pwm_lookup, ARRAY_SIZE(pcm990_pwm_lookup));
+ platform_device_register(&pcm990_backlight_device);
+
+ /* MMC */
+ pxa_set_mci_info(&pcm990_mci_platform_data);
+
+ /* USB host */
+ pxa_set_ohci_info(&pcm990_ohci_platform_data);
+
+ pxa_set_i2c_info(NULL);
+ pxa_set_ac97_info(NULL);
+
+#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(pcm990_camera_pin_config));
+ pxa_set_camera_info(&pcm990_pxacamera_platform_data);
+
+ i2c_register_board_info(0, ARRAY_AND_SIZE(pcm990_i2c_devices));
+
+ platform_device_register(&pcm990_camera[0]);
+ platform_device_register(&pcm990_camera[1]);
+#endif
+
+ printk(KERN_INFO "PCM-990 Evaluation baseboard initialized\n");
+}