stm32u5_clock.h

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/*
 * Copyright (c) 2022 Linaro Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U5_CLOCK_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U5_CLOCK_H_
 
/* RM0468, Table 56 Kernel clock distribution summary */
 
#define STM32_SRC_PLL1_P        0x001
#define STM32_SRC_PLL1_Q        0x002
#define STM32_SRC_PLL1_R        0x003
#define STM32_SRC_PLL2_P        0x004
#define STM32_SRC_PLL2_Q        0x005
#define STM32_SRC_PLL2_R        0x006
#define STM32_SRC_PLL3_P        0x007
#define STM32_SRC_PLL3_Q        0x008
#define STM32_SRC_PLL3_R        0x009
#define STM32_SRC_HSE           0x00A
#define STM32_SRC_LSE           0x00B
#define STM32_SRC_LSI           0x00C
#define STM32_SRC_HSI16         0x00D
#define STM32_SRC_HSI48         0x00E
#define STM32_SRC_MSIS          0x00F
#define STM32_SRC_MSIK          0x010
#define STM32_SRC_SYSCLK        0x011
/* #define STM32_SRC_ICLK       0x012 */
 
#define STM32_CLOCK_BUS_AHB1    0x088
#define STM32_CLOCK_BUS_AHB2    0x08C
#define STM32_CLOCK_BUS_AHB2_2  0x090
#define STM32_CLOCK_BUS_AHB3    0x094
#define STM32_CLOCK_BUS_APB1    0x09C
#define STM32_CLOCK_BUS_APB1_2  0x0A0
#define STM32_CLOCK_BUS_APB2    0x0A4
#define STM32_CLOCK_BUS_APB3    0x0A8
 
#define STM32_PERIPH_BUS_MIN    STM32_CLOCK_BUS_AHB1
#define STM32_PERIPH_BUS_MAX    STM32_CLOCK_BUS_APB3
 
#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 BDCR_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 USART3_SEL(val)         STM32_CLOCK(val, 3, 4, CCIPR1_REG)
#define USART4_SEL(val)         STM32_CLOCK(val, 3, 6, CCIPR1_REG)
#define USART5_SEL(val)         STM32_CLOCK(val, 3, 8, CCIPR1_REG)
#define I2C1_SEL(val)           STM32_CLOCK(val, 3, 10, CCIPR1_REG)
#define I2C2_SEL(val)           STM32_CLOCK(val, 3, 12, CCIPR1_REG)
#define I2C4_SEL(val)           STM32_CLOCK(val, 3, 14, CCIPR1_REG)
#define SPI2_SEL(val)           STM32_CLOCK(val, 3, 16, 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 FDCAN1_SEL(val)         STM32_CLOCK(val, 3, 24, CCIPR1_REG)
#define ICKLK_SEL(val)          STM32_CLOCK(val, 3, 26, CCIPR1_REG)
#define TIMIC_SEL(val)          STM32_CLOCK(val, 7, 29, CCIPR1_REG)
#define MDF1_SEL(val)           STM32_CLOCK(val, 7, 0, CCIPR2_REG)
#define SAI1_SEL(val)           STM32_CLOCK(val, 7, 5, CCIPR2_REG)
#define SAI2_SEL(val)           STM32_CLOCK(val, 7, 8, CCIPR2_REG)
#define SAE_SEL(val)            STM32_CLOCK(val, 1, 11, CCIPR2_REG)
#define RNG_SEL(val)            STM32_CLOCK(val, 3, 12, CCIPR2_REG)
#define SDMMC_SEL(val)          STM32_CLOCK(val, 1, 14, CCIPR2_REG)
#define OCTOSPI_SEL(val)        STM32_CLOCK(val, 3, 20, CCIPR2_REG)
#define LPUART1_SEL(val)        STM32_CLOCK(val, 7, 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 LPTIM34_SEL(val)        STM32_CLOCK(val, 3, 8, CCIPR3_REG)
#define LPTIM1_SEL(val)         STM32_CLOCK(val, 3, 10, CCIPR3_REG)
#define ADCDAC_SEL(val)         STM32_CLOCK(val, 7, 12, CCIPR3_REG)
#define DAC1_SEL(val)           STM32_CLOCK(val, 1, 15, CCIPR3_REG)
#define ADF1_SEL(val)           STM32_CLOCK(val, 7, 16, CCIPR3_REG)
#define RTC_SEL(val)            STM32_CLOCK(val, 3, 8, BDCR_REG)
 
#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32U5_CLOCK_H_ */