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dt-bindings/clock: stm32f4 peripheral clock source

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The STM32_SRC_xxx definitions which are needed
for some peripherals of the stm32f4 soc.
Only the minimum clock sources are listed.

Signed-off-by: Francois Ramu <francois.ramu@st.com>
This commit is contained in:
Francois Ramu 2022-07-07 17:08:22 +02:00 committed by Carles Cufí
parent 7f7ce3a70c
commit d1b80bf010
1 changed files with 17 additions and 0 deletions
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17
include/zephyr/dt-bindings/clock/stm32f4_clock.h
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@ -19,4 +19,21 @@
#define STM32_PERIPH_BUS_MIN STM32_CLOCK_BUS_AHB1
#define STM32_PERIPH_BUS_MAX STM32_CLOCK_BUS_APB3
/** Peripheral clock sources */
/* RM0386, 0390, 0402, 0430 § Dedicated Clock configuration register (RCC_DCKCFGRx) */
/** Fixed clocks */
#define STM32_SRC_HSI 0x001
#define STM32_SRC_LSE 0x002
#define STM32_SRC_LSI 0x003
/* #define STM32_SRC_HSI48 0x004 */
/** System clock */
/* #define STM32_SRC_SYSCLK 0x005 */
/** Bus clock */
#define STM32_SRC_PCLK 0x006
/** PLL clock outputs */
#define STM32_SRC_PLL_P 0x007
#define STM32_SRC_PLL_Q 0x008
#define STM32_SRC_PLL_R 0x009
#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32F4_CLOCK_H_ */