apidoc/latest/stm32wba__clock_8h_source.html

/*

 * Copyright (c) 2023 STMicroelectronics

 *

 * SPDX-License-Identifier: Apache-2.0

 */

#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32WBA_CLOCK_H_

#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32WBA_CLOCK_H_


#include "stm32_common_clocks.h"


/* RM0493, Figure 30, clock tree */


/* defined in stm32_common_clocks.h */

/* Low speed clocks defined in stm32_common_clocks.h */

#define STM32_SRC_HSE           (STM32_SRC_LSI + 1)

#define STM32_SRC_HSI16         (STM32_SRC_HSE + 1)

#define STM32_SRC_HCLK1         (STM32_SRC_HSI16 + 1)

#define STM32_SRC_HCLK5         (STM32_SRC_HCLK1 + 1)

#define STM32_SRC_PCLK1         (STM32_SRC_HCLK5 + 1)

#define STM32_SRC_PCLK2         (STM32_SRC_PCLK1 + 1)

#define STM32_SRC_PCLK7         (STM32_SRC_PCLK2 + 1)

#define STM32_SRC_PLL1_P        (STM32_SRC_PCLK7 + 1)

#define STM32_SRC_PLL1_Q        (STM32_SRC_PLL1_P + 1)

#define STM32_SRC_PLL1_R        (STM32_SRC_PLL1_Q + 1)


#define STM32_SRC_CLOCK_MIN     STM32_SRC_PLL1_P

#define STM32_SRC_CLOCK_MAX     STM32_SRC_SYSCLK


#define STM32_CLOCK_BUS_AHB1    0x088

#define STM32_CLOCK_BUS_AHB2    0x08C

#define STM32_CLOCK_BUS_AHB4    0x094

#define STM32_CLOCK_BUS_AHB5    0x098

#define STM32_CLOCK_BUS_APB1    0x09C

#define STM32_CLOCK_BUS_APB1_2  0x0A0

#define STM32_CLOCK_BUS_APB2    0x0A4

#define STM32_CLOCK_BUS_APB7    0x0A8


#define STM32_PERIPH_BUS_MIN    STM32_CLOCK_BUS_AHB1

#define STM32_PERIPH_BUS_MAX    STM32_CLOCK_BUS_APB7


#define STM32_CLOCK_REG_MASK    0xFFU

#define STM32_CLOCK_REG_SHIFT   0U

#define STM32_CLOCK_SHIFT_MASK  0x1FU

#define STM32_CLOCK_SHIFT_SHIFT 8U

#define STM32_CLOCK_MASK_MASK   0x7U

#define STM32_CLOCK_MASK_SHIFT  13U

#define STM32_CLOCK_VAL_MASK    0x7U

#define STM32_CLOCK_VAL_SHIFT   16U


#define STM32_CLOCK(val, mask, shift, reg)                                      \

        ((((reg) & STM32_CLOCK_REG_MASK) << STM32_CLOCK_REG_SHIFT) |    \

         (((shift) & STM32_CLOCK_SHIFT_MASK) << STM32_CLOCK_SHIFT_SHIFT) |      \

         (((mask) & STM32_CLOCK_MASK_MASK) << STM32_CLOCK_MASK_SHIFT) | \

         (((val) & STM32_CLOCK_VAL_MASK) << STM32_CLOCK_VAL_SHIFT))


#define CCIPR1_REG              0xE0

#define CCIPR2_REG              0xE4

#define CCIPR3_REG              0xE8

#define BCDR1_REG               0xF0


#define USART1_SEL(val)         STM32_CLOCK(val, 3, 0, CCIPR1_REG)

#define USART2_SEL(val)         STM32_CLOCK(val, 3, 2, CCIPR1_REG)

#define I2C1_SEL(val)           STM32_CLOCK(val, 3, 10, CCIPR1_REG)

#define LPTIM2_SEL(val)         STM32_CLOCK(val, 3, 18, CCIPR1_REG)

#define SPI1_SEL(val)           STM32_CLOCK(val, 3, 20, CCIPR1_REG)

#define SYSTICK_SEL(val)        STM32_CLOCK(val, 3, 22, CCIPR1_REG)

#define TIMIC_SEL(val)          STM32_CLOCK(val, 1, 31, CCIPR1_REG)

#define RNG_SEL(val)            STM32_CLOCK(val, 3, 12, CCIPR2_REG)

#define LPUART1_SEL(val)        STM32_CLOCK(val, 3, 0, CCIPR3_REG)

#define SPI3_SEL(val)           STM32_CLOCK(val, 3, 3, CCIPR3_REG)

#define I2C3_SEL(val)           STM32_CLOCK(val, 3, 6, CCIPR3_REG)

#define LPTIM1_SEL(val)         STM32_CLOCK(val, 3, 10, CCIPR3_REG)

#define ADC_SEL(val)            STM32_CLOCK(val, 7, 12, CCIPR3_REG)

#define RTC_SEL(val)            STM32_CLOCK(val, 3, 8, BCDR1_REG)


#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32WBA_CLOCK_H_ */

stm32_common_clocks.h