1 /*
2  * Copyright (c) 2024 STMicroelectronics
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32H7RS_CLOCK_H_
7 #define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32H7RS_CLOCK_H_
8 
9 #include "stm32_common_clocks.h"
10 
11 /** Domain clocks */
12 
13 /* RM0477  */
14 
15 /** System clock */
16 /* defined in stm32_common_clocks.h */
17 
18 /** Fixed clocks  */
19 /* Low speed clocks defined in stm32_common_clocks.h */
20 #define STM32_SRC_HSE		(STM32_SRC_LSI + 1)
21 #define STM32_SRC_HSI48		(STM32_SRC_HSE + 1)
22 #define STM32_SRC_HSI_KER	(STM32_SRC_HSI48 + 1) /* HSI + HSIKERON */
23 #define STM32_SRC_CSI_KER	(STM32_SRC_HSI_KER + 1) /* CSI + CSIKERON */
24 /** PLL outputs */
25 #define STM32_SRC_PLL1_P	(STM32_SRC_CSI_KER + 1)
26 #define STM32_SRC_PLL1_Q	(STM32_SRC_PLL1_P + 1)
27 #define STM32_SRC_PLL1_R	(STM32_SRC_PLL1_Q + 1)
28 #define STM32_SRC_PLL1_S	(STM32_SRC_PLL1_R + 1)
29 #define STM32_SRC_PLL2_P	(STM32_SRC_PLL1_S + 1)
30 #define STM32_SRC_PLL2_Q	(STM32_SRC_PLL2_P + 1)
31 #define STM32_SRC_PLL2_R	(STM32_SRC_PLL2_Q + 1)
32 #define STM32_SRC_PLL2_S	(STM32_SRC_PLL2_R + 1)
33 #define STM32_SRC_PLL2_T	(STM32_SRC_PLL2_S + 1)
34 #define STM32_SRC_PLL3_P	(STM32_SRC_PLL2_T + 1)
35 #define STM32_SRC_PLL3_Q	(STM32_SRC_PLL3_P + 1)
36 #define STM32_SRC_PLL3_R	(STM32_SRC_PLL3_Q + 1)
37 #define STM32_SRC_PLL3_S	(STM32_SRC_PLL3_R + 1)
38 
39 /** Clock muxes */
40 #define STM32_SRC_CKPER		(STM32_SRC_PLL3_S + 1)
41 /** Others: Not yet supported */
42 
43 /** Bus clocks */
44 #define STM32_CLOCK_BUS_AHB1    0x138
45 #define STM32_CLOCK_BUS_AHB2    0x13C
46 #define STM32_CLOCK_BUS_AHB3    0x158
47 #define STM32_CLOCK_BUS_AHB4    0x140
48 #define STM32_CLOCK_BUS_AHB5    0x134
49 #define STM32_CLOCK_BUS_APB1    0x148
50 #define STM32_CLOCK_BUS_APB1_2  0x14C
51 #define STM32_CLOCK_BUS_APB2    0x150
52 #define STM32_CLOCK_BUS_APB4    0x154
53 #define STM32_CLOCK_BUS_APB5    0x144
54 #define STM32_PERIPH_BUS_MIN	STM32_CLOCK_BUS_AHB5
55 #define STM32_PERIPH_BUS_MAX	STM32_CLOCK_BUS_AHB3
56 
57 /** @brief RCC_DxCCIP register offset (RM0477.pdf) */
58 #define D1CCIPR_REG		0x4C
59 #define D2CCIPR_REG		0x50
60 #define D3CCIPR_REG		0x54
61 #define D4CCIPR_REG		0x58
62 
63 /** @brief RCC_BDCR register offset */
64 #define BDCR_REG		0x70
65 
66 /** @brief RCC_CFGRx register offset */
67 #define CFGR_REG                0x10
68 
69 /** @brief Device domain clocks selection helpers (RM0477.pdf) */
70 
71 /* TODO to be completed */
72 
73 /** D1CCIPR devices */
74 #define FMC_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 0, D1CCIPR_REG)
75 #define SDMMC_SEL(val)		STM32_DT_CLOCK_SELECT((val), 1, 2, D1CCIPR_REG)
76 #define XSPI1_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 4, D1CCIPR_REG)
77 #define XSPI2_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 6, D1CCIPR_REG)
78 #define OTGFS_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 14, D1CCIPR_REG)
79 #define ADC_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 24, D1CCIPR_REG)
80 #define CKPER_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 28, D1CCIPR_REG)
81 
82 /** D2CCIPR devices */
83 #define USART234578_SEL(val)	STM32_DT_CLOCK_SELECT((val), 7, 0, D2CCIPR_REG)
84 #define SPI23_SEL(val)		STM32_DT_CLOCK_SELECT((val), 7, 4, D2CCIPR_REG)
85 #define I2C23_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 8, D2CCIPR_REG)
86 #define I2C1_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 12, D2CCIPR_REG)
87 #define I3C1_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 12, D2CCIPR_REG)
88 #define LPTIM1_SEL(val)		STM32_DT_CLOCK_SELECT((val), 7, 16, D2CCIPR_REG)
89 #define FDCAN_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 22, D2CCIPR_REG)
90 
91 /** D3CCIPR devices */
92 #define USART1_SEL(val)		STM32_DT_CLOCK_SELECT((val), 7, 0, D3CCIPR_REG)
93 #define SPI45_SEL(val)		STM32_DT_CLOCK_SELECT((val), 7, 4, D3CCIPR_REG)
94 #define SPI1_SEL(val)		STM32_DT_CLOCK_SELECT((val), 7, 8, D3CCIPR_REG)
95 #define SAI1_SEL(val)		STM32_DT_CLOCK_SELECT((val), 7, 16, D3CCIPR_REG)
96 #define SAI2_SEL(val)		STM32_DT_CLOCK_SELECT((val), 7, 20, D3CCIPR_REG)
97 
98 /** D4CCIPR devices */
99 #define LPUART1_SEL(val)	STM32_DT_CLOCK_SELECT((val), 7, 0, D4CCIPR_REG)
100 #define SPI6_SEL(val)		STM32_DT_CLOCK_SELECT((val), 7, 4, D4CCIPR_REG)
101 #define LPTIM23_SEL(val)	STM32_DT_CLOCK_SELECT((val), 7, 8, D4CCIPR_REG)
102 #define LPTIM45_SEL(val)	STM32_DT_CLOCK_SELECT((val), 7, 12, D4CCIPR_REG)
103 
104 /** BDCR devices */
105 #define RTC_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 8, BDCR_REG)
106 
107 /** CFGR devices */
108 #define MCO1_SEL(val)           STM32_DT_CLOCK_SELECT((val), 0x7, 22, CFGR_REG)
109 #define MCO1_PRE(val)           STM32_DT_CLOCK_SELECT((val), 0xF, 18, CFGR_REG)
110 #define MCO2_SEL(val)           STM32_DT_CLOCK_SELECT((val), 0x7, 29, CFGR_REG)
111 #define MCO2_PRE(val)           STM32_DT_CLOCK_SELECT((val), 0xF, 25, CFGR_REG)
112 
113 /* MCO prescaler : division factor */
114 #define MCO_PRE_DIV_1 1
115 #define MCO_PRE_DIV_2 2
116 #define MCO_PRE_DIV_3 3
117 #define MCO_PRE_DIV_4 4
118 #define MCO_PRE_DIV_5 5
119 #define MCO_PRE_DIV_6 6
120 #define MCO_PRE_DIV_7 7
121 #define MCO_PRE_DIV_8 8
122 #define MCO_PRE_DIV_9 9
123 #define MCO_PRE_DIV_10 10
124 #define MCO_PRE_DIV_11 11
125 #define MCO_PRE_DIV_12 12
126 #define MCO_PRE_DIV_13 13
127 #define MCO_PRE_DIV_14 14
128 #define MCO_PRE_DIV_15 15
129 
130 #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32H7RS_CLOCK_H_ */
131