Zephyr API Documentation  3.6.99
A Scalable Open Source RTOS
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stm32wba_clock.h
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1/*
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
10
13/* RM0493, Figure 30, clock tree */
14
16/* defined in stm32_common_clocks.h */
18/* Low speed clocks defined in stm32_common_clocks.h */
19#define STM32_SRC_HSE (STM32_SRC_LSI + 1)
20#define STM32_SRC_HSI16 (STM32_SRC_HSE + 1)
22#define STM32_SRC_PLL1_P (STM32_SRC_HSI16 + 1)
23#define STM32_SRC_PLL1_Q (STM32_SRC_PLL1_P + 1)
24#define STM32_SRC_PLL1_R (STM32_SRC_PLL1_Q + 1)
25
26#define STM32_SRC_CLOCK_MIN STM32_SRC_PLL1_P
27#define STM32_SRC_CLOCK_MAX STM32_SRC_SYSCLK
28
30#define STM32_CLOCK_BUS_AHB1 0x088
31#define STM32_CLOCK_BUS_AHB2 0x08C
32#define STM32_CLOCK_BUS_AHB4 0x094
33#define STM32_CLOCK_BUS_AHB5 0x098
34#define STM32_CLOCK_BUS_APB1 0x09C
35#define STM32_CLOCK_BUS_APB1_2 0x0A0
36#define STM32_CLOCK_BUS_APB2 0x0A4
37#define STM32_CLOCK_BUS_APB7 0x0A8
38
39#define STM32_PERIPH_BUS_MIN STM32_CLOCK_BUS_AHB1
40#define STM32_PERIPH_BUS_MAX STM32_CLOCK_BUS_APB7
41
56#define STM32_CLOCK_REG_MASK 0xFFU
57#define STM32_CLOCK_REG_SHIFT 0U
58#define STM32_CLOCK_SHIFT_MASK 0x1FU
59#define STM32_CLOCK_SHIFT_SHIFT 8U
60#define STM32_CLOCK_MASK_MASK 0x7U
61#define STM32_CLOCK_MASK_SHIFT 13U
62#define STM32_CLOCK_VAL_MASK 0x7U
63#define STM32_CLOCK_VAL_SHIFT 16U
64
65#define STM32_CLOCK(val, mask, shift, reg) \
66 ((((reg) & STM32_CLOCK_REG_MASK) << STM32_CLOCK_REG_SHIFT) | \
67 (((shift) & STM32_CLOCK_SHIFT_MASK) << STM32_CLOCK_SHIFT_SHIFT) | \
68 (((mask) & STM32_CLOCK_MASK_MASK) << STM32_CLOCK_MASK_SHIFT) | \
69 (((val) & STM32_CLOCK_VAL_MASK) << STM32_CLOCK_VAL_SHIFT))
70
72#define CCIPR1_REG 0xE0
73#define CCIPR2_REG 0xE4
74#define CCIPR3_REG 0xE8
76#define BCDR1_REG 0xF0
77
80#define USART1_SEL(val) STM32_CLOCK(val, 3, 0, CCIPR1_REG)
81#define USART2_SEL(val) STM32_CLOCK(val, 3, 2, CCIPR1_REG)
82#define I2C1_SEL(val) STM32_CLOCK(val, 3, 10, CCIPR1_REG)
83#define LPTIM2_SEL(val) STM32_CLOCK(val, 3, 18, CCIPR1_REG)
84#define SPI1_SEL(val) STM32_CLOCK(val, 3, 20, CCIPR1_REG)
85#define SYSTICK_SEL(val) STM32_CLOCK(val, 3, 22, CCIPR1_REG)
86#define TIMIC_SEL(val) STM32_CLOCK(val, 1, 31, CCIPR1_REG)
88#define RNG_SEL(val) STM32_CLOCK(val, 3, 12, CCIPR2_REG)
90#define LPUART1_SEL(val) STM32_CLOCK(val, 3, 0, CCIPR3_REG)
91#define SPI3_SEL(val) STM32_CLOCK(val, 3, 3, CCIPR3_REG)
92#define I2C3_SEL(val) STM32_CLOCK(val, 3, 6, CCIPR3_REG)
93#define LPTIM1_SEL(val) STM32_CLOCK(val, 3, 10, CCIPR3_REG)
94#define ADC_SEL(val) STM32_CLOCK(val, 7, 12, CCIPR3_REG)
96#define RTC_SEL(val) STM32_CLOCK(val, 3, 8, BCDR1_REG)
97
98#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32WBA_CLOCK_H_ */