Line data Source code
1 0 : /*
2 : * Copyright (c) 2023 STMicroelectronics
3 : *
4 : * SPDX-License-Identifier: Apache-2.0
5 : */
6 : #ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32WBA_CLOCK_H_
7 : #define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32WBA_CLOCK_H_
8 :
9 : #include "stm32_common_clocks.h"
10 :
11 : /** Peripheral clock sources */
12 :
13 : /* RM0493, Figure 34, clock tree */
14 : /* RM0515, Figure 36, clock tree */
15 :
16 : /** System clock */
17 : /* defined in stm32_common_clocks.h */
18 : /** Fixed clocks */
19 : /* Low speed clocks defined in stm32_common_clocks.h */
20 1 : #define STM32_SRC_HSE (STM32_SRC_LSI + 1)
21 0 : #define STM32_SRC_HSI16 (STM32_SRC_HSE + 1)
22 : /** Bus clock */
23 1 : #define STM32_SRC_HCLK1 (STM32_SRC_HSI16 + 1)
24 0 : #define STM32_SRC_HCLK5 (STM32_SRC_HCLK1 + 1)
25 0 : #define STM32_SRC_PCLK1 (STM32_SRC_HCLK5 + 1)
26 0 : #define STM32_SRC_PCLK2 (STM32_SRC_PCLK1 + 1)
27 0 : #define STM32_SRC_PCLK7 (STM32_SRC_PCLK2 + 1)
28 0 : #define STM32_SRC_TIMPCLK1 (STM32_SRC_PCLK7 + 1)
29 0 : #define STM32_SRC_TIMPCLK2 (STM32_SRC_TIMPCLK1 + 1)
30 : /** PLL outputs */
31 1 : #define STM32_SRC_PLL1_P (STM32_SRC_TIMPCLK2 + 1)
32 0 : #define STM32_SRC_PLL1_Q (STM32_SRC_PLL1_P + 1)
33 0 : #define STM32_SRC_PLL1_R (STM32_SRC_PLL1_Q + 1)
34 :
35 0 : #define STM32_SRC_CLOCK_MIN STM32_SRC_PLL1_P
36 0 : #define STM32_SRC_CLOCK_MAX STM32_SRC_SYSCLK
37 :
38 : /** Bus clocks (Register address offsets) */
39 1 : #define STM32_CLOCK_BUS_AHB1 0x088
40 0 : #define STM32_CLOCK_BUS_AHB2 0x08C
41 0 : #define STM32_CLOCK_BUS_AHB4 0x094
42 0 : #define STM32_CLOCK_BUS_AHB5 0x098
43 0 : #define STM32_CLOCK_BUS_APB1 0x09C
44 0 : #define STM32_CLOCK_BUS_APB1_2 0x0A0
45 0 : #define STM32_CLOCK_BUS_APB2 0x0A4
46 0 : #define STM32_CLOCK_BUS_APB7 0x0A8
47 :
48 0 : #define STM32_PERIPH_BUS_MIN STM32_CLOCK_BUS_AHB1
49 0 : #define STM32_PERIPH_BUS_MAX STM32_CLOCK_BUS_APB7
50 :
51 : /** @brief RCC_CCIPRx register offset (RM0493.pdf) */
52 1 : #define CCIPR1_REG 0xE0
53 0 : #define CCIPR2_REG 0xE4
54 0 : #define CCIPR3_REG 0xE8
55 : /** @brief RCC_BCDR1 register offset (RM0493.pdf) */
56 1 : #define BCDR1_REG 0xF0
57 :
58 : /** @brief Device clk sources selection helpers */
59 : /** CCIPR1 devices */
60 1 : #define USART1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 0, CCIPR1_REG)
61 0 : #define USART2_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 2, CCIPR1_REG)
62 0 : #define USART3_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 4, CCIPR1_REG)
63 0 : #define I2C1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 10, CCIPR1_REG)
64 0 : #define I2C2_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 12, CCIPR1_REG)
65 0 : #define I2C4_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 14, CCIPR1_REG)
66 0 : #define SPI2_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 16, CCIPR1_REG)
67 0 : #define LPTIM2_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 18, CCIPR1_REG)
68 0 : #define SPI1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 20, CCIPR1_REG)
69 0 : #define SYSTICK_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 22, CCIPR1_REG)
70 0 : #define TIMIC_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 31, CCIPR1_REG)
71 : /** CCIPR2 devices */
72 1 : #define RNG_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 12, CCIPR2_REG)
73 : /** CCIPR3 devices */
74 1 : #define LPUART1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 0, CCIPR3_REG)
75 0 : #define SPI3_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 3, CCIPR3_REG)
76 0 : #define I2C3_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 6, CCIPR3_REG)
77 0 : #define LPTIM1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 10, CCIPR3_REG)
78 0 : #define ADC_SEL(val) STM32_DT_CLOCK_SELECT((val), 7, 12, CCIPR3_REG)
79 : /** BCDR1 devices */
80 1 : #define RTC_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 8, BCDR1_REG)
81 : /** @brief RCC_CFGRx register offset */
82 1 : #define CFGR1_REG 0x1C
83 : /** CFGR1 devices */
84 1 : #define MCO1_SEL(val) STM32_DT_CLOCK_SELECT((val), 0xF, 24, CFGR1_REG)
85 0 : #define MCO1_PRE(val) STM32_DT_CLOCK_SELECT((val), 0x7, 28, CFGR1_REG)
86 :
87 : /* MCO prescaler : division factor */
88 0 : #define MCO_PRE_DIV_1 0
89 0 : #define MCO_PRE_DIV_2 1
90 0 : #define MCO_PRE_DIV_4 2
91 0 : #define MCO_PRE_DIV_8 3
92 0 : #define MCO_PRE_DIV_16 4
93 :
94 : /* MCO clock output */
95 0 : #define MCO_SEL_SYSCLKPRE 1
96 0 : #define MCO_SEL_HSI16 3
97 0 : #define MCO_SEL_HSE32 4
98 0 : #define MCO_SEL_PLL1RCLK 5
99 0 : #define MCO_SEL_LSI 6
100 0 : #define MCO_SEL_LSE 7
101 0 : #define MCO_SEL_PLL1PCLK 8
102 0 : #define MCO_SEL_PLL1QCLK 9
103 0 : #define MCO_SEL_HCLK5 10
104 :
105 :
106 : #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32WBA_CLOCK_H_ */
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