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include/dt-bindings: stm32: provide stm32-pinctrl-common.h binding

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Provide stm32-pinctrl-common.h matching st,stm32-pinmux binding.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2020-09-24 14:58:53 +02:00 • committed by Kumar Gala
commit b48ba090e4
1 changed files with 33 additions and 0 deletions
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33
include/dt-bindings/pinctrl/stm32-pinctrl-common.h
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@ -7,6 +7,39 @@
#ifndef ZEPHYR_STM32_PINCTRL_COMMON_H_
#define ZEPHYR_STM32_PINCTRL_COMMON_H_
/* Adapted from Linux: include/dt-bindings/pinctrl/stm32-pinfunc.h */
/**
* @brief Pin modes
*/
#define AF0 0x0
#define AF1 0x1
#define AF2 0x2
#define AF3 0x3
#define AF4 0x4
#define AF5 0x5
#define AF6 0x6
#define AF7 0x7
#define AF8 0x8
#define AF9 0x9
#define AF10 0xa
#define AF11 0xb
#define AF12 0xc
#define AF13 0xd
#define AF14 0xe
#define AF15 0xf
#define ANALOG 0x10
#define GPIO 0x11 /* Reserved for future use */
/**
* @brief Macro to generate pinmux int using port, pin number and mode arguments
* This is taken from Linux equivalent st,stm32f429-pinctrl binding
*/
#define PIN_NO(port, line) (((port) - 'A') * 0x10 + (line))
#define STM32_PINMUX(port, line, mode) (((PIN_NO(port, line)) << 8) | (mode))
/**
* @brief numerical IDs for IO ports