Zephyr API Documentation
4.0.0-rc3
A Scalable Open Source RTOS
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stm32c0_clock.h
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/*
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* Copyright (c) 2023 Benjamin Björnsson <benjamin.bjornsson@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32C0_CLOCK_H_
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#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32C0_CLOCK_H_
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#include "
stm32_common_clocks.h
"
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#define STM32_CLOCK_BUS_IOP 0x034
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#define STM32_CLOCK_BUS_AHB1 0x038
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#define STM32_CLOCK_BUS_APB1 0x03c
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#define STM32_CLOCK_BUS_APB1_2 0x040
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#define STM32_PERIPH_BUS_MIN STM32_CLOCK_BUS_IOP
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#define STM32_PERIPH_BUS_MAX STM32_CLOCK_BUS_APB1_2
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/* RM0490, §5.4.21/22 Clock configuration register (RCC_CCIPRx) */
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/* defined in stm32_common_clocks.h */
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/* Low speed clocks defined in stm32_common_clocks.h */
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#define STM32_SRC_HSI48 (STM32_SRC_LSI + 1)
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#define STM32_SRC_HSE (STM32_SRC_HSI48 + 1)
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#define STM32_SRC_PCLK (STM32_SRC_HSE + 1)
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#define STM32_CLOCK_REG_MASK 0xFFU
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#define STM32_CLOCK_REG_SHIFT 0U
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#define STM32_CLOCK_SHIFT_MASK 0x1FU
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#define STM32_CLOCK_SHIFT_SHIFT 8U
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#define STM32_CLOCK_MASK_MASK 0x7U
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#define STM32_CLOCK_MASK_SHIFT 13U
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#define STM32_CLOCK_VAL_MASK 0x7U
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#define STM32_CLOCK_VAL_SHIFT 16U
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#define STM32_DOMAIN_CLOCK(val, mask, shift, reg) \
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((((reg) & STM32_CLOCK_REG_MASK) << STM32_CLOCK_REG_SHIFT) | \
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(((shift) & STM32_CLOCK_SHIFT_MASK) << STM32_CLOCK_SHIFT_SHIFT) | \
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(((mask) & STM32_CLOCK_MASK_MASK) << STM32_CLOCK_MASK_SHIFT) | \
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(((val) & STM32_CLOCK_VAL_MASK) << STM32_CLOCK_VAL_SHIFT))
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#define CCIPR_REG 0x54
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#define CSR1_REG 0x5C
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#define CFGR1_REG 0x08
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#define USART1_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 0, CCIPR_REG)
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#define I2C1_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 12, CCIPR_REG)
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#define I2C2_I2S1_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 14, CCIPR_REG)
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#define ADC_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 30, CCIPR_REG)
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#define RTC_SEL(val) STM32_DOMAIN_CLOCK(val, 3, 8, CSR1_REG)
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#define MCO1_SEL(val) STM32_MCO_CFGR(val, 0x7, 24, CFGR1_REG)
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#define MCO1_PRE(val) STM32_MCO_CFGR(val, 0x7, 28, CFGR1_REG)
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#define MCO2_SEL(val) STM32_MCO_CFGR(val, 0x7, 16, CFGR1_REG)
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#define MCO2_PRE(val) STM32_MCO_CFGR(val, 0x7, 20, CFGR1_REG)
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#endif
/* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32C0_CLOCK_H_ */
stm32_common_clocks.h
zephyr
dt-bindings
clock
stm32c0_clock.h
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