feat(dt-bindings): add the STM32MP2 clock and reset bindings
Add the associated bindings for device tree and drivers.
Change-Id: I6847df691d4b00f48d2d87a33fbf4ccd62ae5dcf
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
diff --git a/include/dt-bindings/clock/stm32mp25-clksrc.h b/include/dt-bindings/clock/stm32mp25-clksrc.h
new file mode 100644
index 0000000..e6f7154
--- /dev/null
+++ b/include/dt-bindings/clock/stm32mp25-clksrc.h
@@ -0,0 +1,226 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause */
+/*
+ * Copyright (C) 2023, STMicroelectronics - All Rights Reserved
+ */
+
+#ifndef _DT_BINDINGS_CLOCK_STM32MP25_CLKSRC_H_
+#define _DT_BINDINGS_CLOCK_STM32MP25_CLKSRC_H_
+
+#define CMD_DIV 0
+#define CMD_MUX 1
+#define CMD_CLK 2
+#define CMD_FLEXGEN 3
+
+#define CMD_ADDR_BIT 0x80000000
+
+#define CMD_SHIFT 26
+#define CMD_MASK 0xFC000000
+#define CMD_DATA_MASK 0x03FFFFFF
+
+#define DIV_ID_SHIFT 8
+#define DIV_ID_MASK 0x0000FF00
+
+#define DIV_DIVN_SHIFT 0
+#define DIV_DIVN_MASK 0x000000FF
+
+#define MUX_ID_SHIFT 4
+#define MUX_ID_MASK 0x00000FF0
+
+#define MUX_SEL_SHIFT 0
+#define MUX_SEL_MASK 0x0000000F
+
+/* CLK define */
+#define CLK_ON_MASK BIT(21)
+#define CLK_ON_SHIFT 21
+
+#define CLK_ID_MASK GENMASK_32(20, 12)
+#define CLK_ID_SHIFT 12
+
+#define CLK_NO_DIV_MASK 0x0000080
+#define CLK_DIV_MASK GENMASK_32(10, 5)
+#define CLK_DIV_SHIFT 5
+
+#define CLK_NO_SEL_MASK 0x00000010
+#define CLK_SEL_MASK GENMASK_32(3, 0)
+#define CLK_SEL_SHIFT 0
+
+#define CLK_CFG(clk_id, sel, div, state) ((CMD_CLK << CMD_SHIFT) |\
+ ((state) << CLK_ON_SHIFT) |\
+ ((clk_id) << CLK_ID_SHIFT) |\
+ ((div) << CLK_DIV_SHIFT) |\
+ ((sel) << CLK_SEL_SHIFT))
+
+#define CLK_OFF 0
+#define CLK_ON 1
+#define CLK_NODIV 0x00000040
+#define CLK_NOMUX 0x00000010
+
+/* Flexgen define */
+#define FLEX_ID_SHIFT 13
+#define FLEX_SEL_SHIFT 9
+#define FLEX_PDIV_SHIFT 6
+#define FLEX_FDIV_SHIFT 0
+
+#define FLEX_ID_MASK GENMASK_32(18, 13)
+#define FLEX_SEL_MASK GENMASK_32(12, 9)
+#define FLEX_PDIV_MASK GENMASK_32(8, 6)
+#define FLEX_FDIV_MASK GENMASK_32(5, 0)
+
+#define DIV_CFG(div_id, div) ((CMD_DIV << CMD_SHIFT) |\
+ ((div_id) << DIV_ID_SHIFT |\
+ (div)))
+
+#define MUX_CFG(mux_id, sel) ((CMD_MUX << CMD_SHIFT) |\
+ ((mux_id) << MUX_ID_SHIFT |\
+ (sel)))
+
+#define CLK_ADDR_SHIFT 16
+#define CLK_ADDR_MASK 0x7FFF0000
+#define CLK_ADDR_VAL_MASK 0xFFFF
+
+#define DIV_LSMCU 0
+#define DIV_APB1 1
+#define DIV_APB2 2
+#define DIV_APB3 3
+#define DIV_APB4 4
+#define DIV_APBDBG 5
+#define DIV_RTC 6
+#define DIV_NB 7
+
+#define MUX_MUXSEL0 0
+#define MUX_MUXSEL1 1
+#define MUX_MUXSEL2 2
+#define MUX_MUXSEL3 3
+#define MUX_MUXSEL4 4
+#define MUX_MUXSEL5 5
+#define MUX_MUXSEL6 6
+#define MUX_MUXSEL7 7
+#define MUX_XBARSEL 8
+#define MUX_RTC 9
+#define MUX_MCO1 10
+#define MUX_MCO2 11
+#define MUX_ADC12 12
+#define MUX_ADC3 13
+#define MUX_USB2PHY1 14
+#define MUX_USB2PHY2 15
+#define MUX_USB3PCIEPHY 16
+#define MUX_DSIBLANE 17
+#define MUX_DSIPHY 18
+#define MUX_LVDSPHY 19
+#define MUX_DTS 20
+#define MUX_CPU1 21
+#define MUX_D3PER 22
+#define MUX_NB 23
+
+#define MUXSEL_HSI 0
+#define MUXSEL_HSE 1
+#define MUXSEL_MSI 2
+
+/* KERNEL source clocks */
+#define MUX_RTC_DISABLED 0x0
+#define MUX_RTC_LSE 0x1
+#define MUX_RTC_LSI 0x2
+#define MUX_RTC_HSE 0x3
+
+#define MUX_MCO1_FLEX61 0x0
+#define MUX_MCO1_OBSER0 0x1
+
+#define MUX_MCO2_FLEX62 0x0
+#define MUX_MCO2_OBSER1 0x1
+
+#define MUX_ADC12_FLEX46 0x0
+#define MUX_ADC12_LSMCU 0x1
+
+#define MUX_ADC3_FLEX47 0x0
+#define MUX_ADC3_LSMCU 0x1
+#define MUX_ADC3_FLEX46 0x2
+
+#define MUX_USB2PHY1_FLEX57 0x0
+#define MUX_USB2PHY1_HSE 0x1
+
+#define MUX_USB2PHY2_FLEX58 0x0
+#define MUX_USB2PHY2_HSE 0x1
+
+#define MUX_USB3PCIEPHY_FLEX34 0x0
+#define MUX_USB3PCIEPHY_HSE 0x1
+
+#define MUX_DSIBLANE_FLEX28 0x0
+#define MUX_DSIBLANE_FLEX27 0x1
+
+#define MUX_DSIPHY_FLEX28 0x0
+#define MUX_DSIPHY_HSE 0x1
+
+#define MUX_LVDSPHY_FLEX32 0x0
+#define MUX_LVDSPHY_HSE 0x1
+
+#define MUX_DTS_HSI 0x0
+#define MUX_DTS_HSE 0x1
+#define MUX_DTS_MSI 0x2
+
+#define MUX_D3PER_MSI 0x0
+#define MUX_D3PER_LSI 0x1
+#define MUX_D3PER_LSE 0x2
+
+/* PLLs source clocks */
+#define PLL_SRC_HSI 0x0
+#define PLL_SRC_HSE 0x1
+#define PLL_SRC_MSI 0x2
+#define PLL_SRC_DISABLED 0x3
+
+/* XBAR source clocks */
+#define XBAR_SRC_PLL4 0x0
+#define XBAR_SRC_PLL5 0x1
+#define XBAR_SRC_PLL6 0x2
+#define XBAR_SRC_PLL7 0x3
+#define XBAR_SRC_PLL8 0x4
+#define XBAR_SRC_HSI 0x5
+#define XBAR_SRC_HSE 0x6
+#define XBAR_SRC_MSI 0x7
+#define XBAR_SRC_HSI_KER 0x8
+#define XBAR_SRC_HSE_KER 0x9
+#define XBAR_SRC_MSI_KER 0xA
+#define XBAR_SRC_SPDIF_SYMB 0xB
+#define XBAR_SRC_I2S 0xC
+#define XBAR_SRC_LSI 0xD
+#define XBAR_SRC_LSE 0xE
+
+/*
+ * Configure a XBAR channel with its clock source
+ * channel_nb: XBAR channel number from 0 to 63
+ * channel_src: one of the 15 previous XBAR source clocks defines
+ * channel_prediv: value of the PREDIV in channel RCC_PREDIVxCFGR register
+ * can be either 1, 2, 4 or 1024
+ * channel_findiv: value of the FINDIV in channel RCC_FINDIVxCFGR register
+ * from 1 to 64
+ */
+
+#define FLEXGEN_CFG(ch, sel, pdiv, fdiv) ((CMD_FLEXGEN << CMD_SHIFT) |\
+ ((ch) << FLEX_ID_SHIFT) |\
+ ((sel) << FLEX_SEL_SHIFT) |\
+ ((pdiv) << FLEX_PDIV_SHIFT) |\
+ ((fdiv) << FLEX_FDIV_SHIFT))
+
+/* Register addresses of MCO1 & MCO2 */
+#define MCO1 0x494
+#define MCO2 0x498
+
+#define MCO_OFF 0
+#define MCO_ON 1
+#define MCO_STATUS_SHIFT 8
+
+#define MCO_CFG(addr, sel, status) (CMD_ADDR_BIT |\
+ ((addr) << CLK_ADDR_SHIFT) |\
+ ((status) << MCO_STATUS_SHIFT) |\
+ (sel))
+
+/* define for st,pll /csg */
+#define SSCG_MODE_CENTER_SPREAD 0
+#define SSCG_MODE_DOWN_SPREAD 1
+
+/* define for st,drive */
+#define LSEDRV_LOWEST 0
+#define LSEDRV_MEDIUM_LOW 1
+#define LSEDRV_MEDIUM_HIGH 2
+#define LSEDRV_HIGHEST 3
+
+#endif /* _DT_BINDINGS_CLOCK_STM32MP25_CLKSRC_H_ */