diff options
Diffstat (limited to 'include/linux/gpio')
| -rw-r--r-- | include/linux/gpio/driver.h | 54 | ||||
| -rw-r--r-- | include/linux/gpio/machine.h | 58 |
2 files changed, 58 insertions, 54 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 4c463fb0155e..e78a2373e374 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -151,60 +151,6 @@ void gpio_unlock_as_irq(struct gpio_chip *chip, unsigned int offset); struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc); -enum gpio_lookup_flags { - GPIO_ACTIVE_HIGH = (0 << 0), - GPIO_ACTIVE_LOW = (1 << 0), - GPIO_OPEN_DRAIN = (1 << 1), - GPIO_OPEN_SOURCE = (1 << 2), -}; - -/** - * struct gpiod_lookup - lookup table - * @chip_label: name of the chip the GPIO belongs to - * @chip_hwnum: hardware number (i.e. relative to the chip) of the GPIO - * @con_id: name of the GPIO from the device's point of view - * @idx: index of the GPIO in case several GPIOs share the same name - * @flags: mask of GPIO_* values - * - * gpiod_lookup is a lookup table for associating GPIOs to specific devices and - * functions using platform data. - */ -struct gpiod_lookup { - const char *chip_label; - u16 chip_hwnum; - const char *con_id; - unsigned int idx; - enum gpio_lookup_flags flags; -}; - -struct gpiod_lookup_table { - struct list_head list; - const char *dev_id; - struct gpiod_lookup table[]; -}; - -/* - * Simple definition of a single GPIO under a con_id - */ -#define GPIO_LOOKUP(_chip_label, _chip_hwnum, _con_id, _flags) \ - GPIO_LOOKUP_IDX(_chip_label, _chip_hwnum, _con_id, 0, _flags) - -/* - * Use this macro if you need to have several GPIOs under the same con_id. - * Each GPIO needs to use a different index and can be accessed using - * gpiod_get_index() - */ -#define GPIO_LOOKUP_IDX(_chip_label, _chip_hwnum, _con_id, _idx, _flags) \ -{ \ - .chip_label = _chip_label, \ - .chip_hwnum = _chip_hwnum, \ - .con_id = _con_id, \ - .idx = _idx, \ - .flags = _flags, \ -} - -void gpiod_add_lookup_table(struct gpiod_lookup_table *table); - #ifdef CONFIG_GPIOLIB_IRQCHIP void gpiochip_set_chained_irqchip(struct gpio_chip *gpiochip, diff --git a/include/linux/gpio/machine.h b/include/linux/gpio/machine.h new file mode 100644 index 000000000000..b8ad87fab4ce --- /dev/null +++ b/include/linux/gpio/machine.h @@ -0,0 +1,58 @@ +#ifndef __LINUX_GPIO_MACHINE_H +#define __LINUX_GPIO_MACHINE_H + +enum gpio_lookup_flags { + GPIO_ACTIVE_HIGH = (0 << 0), + GPIO_ACTIVE_LOW = (1 << 0), + GPIO_OPEN_DRAIN = (1 << 1), + GPIO_OPEN_SOURCE = (1 << 2), +}; + +/** + * struct gpiod_lookup - lookup table + * @chip_label: name of the chip the GPIO belongs to + * @chip_hwnum: hardware number (i.e. relative to the chip) of the GPIO + * @con_id: name of the GPIO from the device's point of view + * @idx: index of the GPIO in case several GPIOs share the same name + * @flags: mask of GPIO_* values + * + * gpiod_lookup is a lookup table for associating GPIOs to specific devices and + * functions using platform data. + */ +struct gpiod_lookup { + const char *chip_label; + u16 chip_hwnum; + const char *con_id; + unsigned int idx; + enum gpio_lookup_flags flags; +}; + +struct gpiod_lookup_table { + struct list_head list; + const char *dev_id; + struct gpiod_lookup table[]; +}; + +/* + * Simple definition of a single GPIO under a con_id + */ +#define GPIO_LOOKUP(_chip_label, _chip_hwnum, _con_id, _flags) \ + GPIO_LOOKUP_IDX(_chip_label, _chip_hwnum, _con_id, 0, _flags) + +/* + * Use this macro if you need to have several GPIOs under the same con_id. + * Each GPIO needs to use a different index and can be accessed using + * gpiod_get_index() + */ +#define GPIO_LOOKUP_IDX(_chip_label, _chip_hwnum, _con_id, _idx, _flags) \ +{ \ + .chip_label = _chip_label, \ + .chip_hwnum = _chip_hwnum, \ + .con_id = _con_id, \ + .idx = _idx, \ + .flags = _flags, \ +} + +void gpiod_add_lookup_table(struct gpiod_lookup_table *table); + +#endif /* __LINUX_GPIO_MACHINE_H */ |