feat(st-clock): add STM32MP2 clock driver
This driver manages the clocks on STM32MP2 platforms.
It uses a dedicated RCC (Reset and Clock Control) peripheral.
Change-Id: I6ba2173e73222269a2dfca4c6897229276a150c0
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
diff --git a/include/drivers/st/stm32mp25_rcc.h b/include/drivers/st/stm32mp25_rcc.h
index 9dd25f3..d5d228c 100644
--- a/include/drivers/st/stm32mp25_rcc.h
+++ b/include/drivers/st/stm32mp25_rcc.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2023, STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2023-2024, STMicroelectronics - All Rights Reserved
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -426,7 +426,7 @@
#define RCC_USB2CFGR U(0x7FC)
#define RCC_USB2PHY1CFGR U(0x800)
#define RCC_USB2PHY2CFGR U(0x804)
-#define RCC_USB3DRDCFGR U(0x808)
+#define RCC_USB3DRCFGR U(0x808)
#define RCC_USB3PCIEPHYCFGR U(0x80C)
#define RCC_PCIECFGR U(0x810)
#define RCC_USBTCCFGR U(0x814)
@@ -459,7 +459,6 @@
#define RCC_IWDG5CFGR U(0x898)
#define RCC_WWDG1CFGR U(0x89C)
#define RCC_WWDG2CFGR U(0x8A0)
-#define RCC_BUSPERFMCFGR U(0x8A4)
#define RCC_VREFCFGR U(0x8A8)
#define RCC_TMPSENSCFGR U(0x8AC)
#define RCC_CRCCFGR U(0x8B4)
@@ -2352,11 +2351,13 @@
/* RCC_C1SREQSETR register fields */
#define RCC_C1SREQSETR_STPREQ_P0 BIT(0)
#define RCC_C1SREQSETR_STPREQ_P1 BIT(1)
+#define RCC_C1SREQSETR_STPREQ_MASK GENMASK_32(1, 0)
#define RCC_C1SREQSETR_ESLPREQ BIT(16)
/* RCC_C1SREQCLRR register fields */
#define RCC_C1SREQCLRR_STPREQ_P0 BIT(0)
#define RCC_C1SREQCLRR_STPREQ_P1 BIT(1)
+#define RCC_C1SREQCLRR_STPREQ_MASK GENMASK_32(1, 0)
#define RCC_C1SREQCLRR_ESLPREQ BIT(16)
/* RCC_CPUBOOTCR register fields */
@@ -2401,12 +2402,12 @@
#define RCC_BDCR_LSEDRV_WIDTH 2
/* RCC_D3DCR register fields */
-#define RCC_D3DCR_CSION BIT(0)
-#define RCC_D3DCR_CSIKERON BIT(1)
-#define RCC_D3DCR_CSIRDY BIT(2)
+#define RCC_D3DCR_MSION BIT(0)
+#define RCC_D3DCR_MSIKERON BIT(1)
+#define RCC_D3DCR_MSIRDY BIT(2)
#define RCC_D3DCR_D3PERCKSEL_MASK GENMASK_32(17, 16)
#define RCC_D3DCR_D3PERCKSEL_SHIFT 16
-#define RCC_D3DCR_CSIRDY_BIT 2
+#define RCC_D3DCR_MSIRDY_BIT 2
/* RCC_D3DSR register fields */
#define RCC_D3DSR_D3STATE_MASK GENMASK_32(1, 0)
@@ -3458,11 +3459,11 @@
#define RCC_USB2PHYxCFGR_USB2PHY1STPEN BIT(4)
#define RCC_USB2PHYxCFGR_USB2PHY1CKREFSEL BIT(15)
-/* RCC_USB3DRDCFGR register fields */
-#define RCC_USB3DRDCFGR_USB3DRDRST BIT(0)
-#define RCC_USB3DRDCFGR_USB3DRDEN BIT(1)
-#define RCC_USB3DRDCFGR_USB3DRDLPEN BIT(2)
-#define RCC_USB3DRDCFGR_USB3DRDSTPEN BIT(4)
+/* RCC_USB3DRCFGR register fields */
+#define RCC_USB3DRCFGR_USB3DRRST BIT(0)
+#define RCC_USB3DRCFGR_USB3DREN BIT(1)
+#define RCC_USB3DRCFGR_USB3DRLPEN BIT(2)
+#define RCC_USB3DRCFGR_USB3DRSTPEN BIT(4)
/* RCC_USB3PCIEPHYCFGR register fields */
#define RCC_USB3PCIEPHYCFGR_USB3PCIEPHYRST BIT(0)
@@ -3647,11 +3648,6 @@
#define RCC_WWDG2CFGR_WWDG2LPEN BIT(2)
#define RCC_WWDG2CFGR_WWDG2AMEN BIT(3)
-/* RCC_BUSPERFMCFGR register fields */
-#define RCC_BUSPERFMCFGR_BUSPERFMRST BIT(0)
-#define RCC_BUSPERFMCFGR_BUSPERFMEN BIT(1)
-#define RCC_BUSPERFMCFGR_BUSPERFMLPEN BIT(2)
-
/* RCC_VREFCFGR register fields */
#define RCC_VREFCFGR_VREFRST BIT(0)
#define RCC_VREFCFGR_VREFEN BIT(1)
diff --git a/include/drivers/st/stm32mp2_clk.h b/include/drivers/st/stm32mp2_clk.h
new file mode 100644
index 0000000..b9226cd
--- /dev/null
+++ b/include/drivers/st/stm32mp2_clk.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2024, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STM32MP2_CLK_H
+#define STM32MP2_CLK_H
+
+#include <platform_def.h>
+
+enum stm32mp_osc_id {
+ _HSI,
+ _HSE,
+ _CSI,
+ _LSI,
+ _LSE,
+ _I2S_CKIN,
+ _SPDIF_SYMB,
+ NB_OSC,
+ _UNKNOWN_OSC_ID = 0xFF
+};
+
+extern const char *stm32mp_osc_node_label[NB_OSC];
+
+enum pll_cfg {
+ FBDIV,
+ REFDIV,
+ POSTDIV1,
+ POSTDIV2,
+ PLLCFG_NB
+};
+
+enum pll_csg {
+ DIVVAL,
+ SPREAD,
+ DOWNSPREAD,
+ PLLCSG_NB
+};
+
+int stm32mp2_clk_init(void);
+int stm32mp2_pll1_disable(void);
+
+#endif /* STM32MP2_CLK_H */