stm32wba_clock.h

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/*
 * 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_
 
/* RM0493, Figure 30, clock tree */
 
#define STM32_SRC_PLL1_P        0x001
#define STM32_SRC_PLL1_Q        0x002
#define STM32_SRC_PLL1_R        0x003
#define STM32_SRC_HSE           0x004
#define STM32_SRC_LSE           0x005
#define STM32_SRC_LSI           0x006
#define STM32_SRC_HSI16         0x007
#define STM32_SRC_SYSCLK        0x08
 
 
#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 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)
 
#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32WBA_CLOCK_H_ */