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gpio: add device config helpers

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Change-Id: I8af573484934a02893a395bb0d19551b5c9d0291
Signed-off-by: Vlad Dogaru <vlad.dogaru@intel.com>
This commit is contained in:
Vlad Dogaru 2016-04-21 17:24:35 +03:00 • committed by Inaky Perez-Gonzalez
commit 661c5eb676
1 changed files with 26 additions and 0 deletions
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26
include/gpio.h
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@ -437,6 +437,32 @@ static inline int gpio_port_disable_callback(struct device *port)
return api->disable_callback(port, GPIO_ACCESS_BY_PORT, 0); return api->disable_callback(port, GPIO_ACCESS_BY_PORT, 0);
} }
struct gpio_pin_config {
char *gpio_controller;
uint32_t gpio_pin;
};
#define GPIO_DECLARE_PIN_CONFIG_IDX(_idx) \
struct gpio_pin_config gpio_pin_ ##_idx
#define GPIO_DECLARE_PIN_CONFIG \
GPIO_DECLARE_PIN_CONFIG_IDX()
#define GPIO_PIN_IDX(_idx, _controller, _pin) \
.gpio_pin_ ##_idx = { \
.gpio_controller = (_controller),\
.gpio_pin = (_pin), \
}
#define GPIO_PIN(_controller, _pin) \
GPIO_PIN_IDX(, _controller, _pin)
#define GPIO_GET_CONTROLLER_IDX(_idx, _conf) \
((_conf)->gpio_pin_ ##_idx.gpio_controller)
#define GPIO_GET_PIN_IDX(_idx, _conf) \
((_conf)->gpio_pin_ ##_idx.gpio_pin)
#define GPIO_GET_CONTROLLER(_conf) GPIO_GET_CONTROLLER_IDX(, _conf)
#define GPIO_GET_PIN(_conf) GPIO_GET_PIN_IDX(, _conf)
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif