stm32l1_clock.h

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/*
 * Copyright (c) 2022 Linaro Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32L1_CLOCK_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32L1_CLOCK_H_
 
#include "stm32_common_clocks.h"
 
#define STM32_CLOCK_BUS_AHB1    0x01c
#define STM32_CLOCK_BUS_APB2    0x020
#define STM32_CLOCK_BUS_APB1    0x024
 
#define STM32_PERIPH_BUS_MIN    STM32_CLOCK_BUS_AHB1
#define STM32_PERIPH_BUS_MAX    STM32_CLOCK_BUS_APB1
 
/* RM0038.pdf, §6.3.14 Control/status register (RCC_CSR) */
 
/* 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_HSI           (STM32_SRC_HSE + 1)
#define STM32_SRC_TIMPCLK1      (STM32_SRC_HSI + 1)
#define STM32_SRC_TIMPCLK2      (STM32_SRC_TIMPCLK1 + 1)
 
#define CSR_REG         0x34
 
#define RTC_SEL(val)            STM32_DT_CLOCK_SELECT((val), 17, 16, CSR_REG)
 
#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32L1_CLOCK_H_ */