diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-generic/gpio.h | 4 | ||||
| -rw-r--r-- | include/linux/gpio.h | 6 | ||||
| -rw-r--r-- | include/linux/mfd/tps65910.h | 8 | ||||
| -rw-r--r-- | include/linux/of_gpio.h | 27 |
4 files changed, 41 insertions, 4 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 1ff4e221cb4d..5f52690c3c8f 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -142,9 +142,9 @@ extern int __must_check gpiochip_reserve(int start, int ngpio); /* add/remove chips */ extern int gpiochip_add(struct gpio_chip *chip); extern int __must_check gpiochip_remove(struct gpio_chip *chip); -extern struct gpio_chip *gpiochip_find(void *data, +extern struct gpio_chip *gpiochip_find(const void *data, int (*match)(struct gpio_chip *chip, - void *data)); + const void *data)); /* Always use the library code for GPIO management calls, diff --git a/include/linux/gpio.h b/include/linux/gpio.h index ed5a46707ad0..6155ecf192b0 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -14,6 +14,12 @@ #define GPIOF_OUT_INIT_LOW (GPIOF_DIR_OUT | GPIOF_INIT_LOW) #define GPIOF_OUT_INIT_HIGH (GPIOF_DIR_OUT | GPIOF_INIT_HIGH) +/* Gpio pin is open drain */ +#define GPIOF_OPEN_DRAIN (1 << 2) + +/* Gpio pin is open source */ +#define GPIOF_OPEN_SOURCE (1 << 3) + /** * struct gpio - a structure describing a GPIO with configuration * @gpio: the GPIO number diff --git a/include/linux/mfd/tps65910.h b/include/linux/mfd/tps65910.h index e34886397f90..1c6c2860d1a6 100644 --- a/include/linux/mfd/tps65910.h +++ b/include/linux/mfd/tps65910.h @@ -659,6 +659,8 @@ /*Register GPIO (0x80) register.RegisterDescription */ +#define GPIO_SLEEP_MASK 0x80 +#define GPIO_SLEEP_SHIFT 7 #define GPIO_DEB_MASK 0x10 #define GPIO_DEB_SHIFT 4 #define GPIO_PUEN_MASK 0x08 @@ -742,6 +744,11 @@ #define TPS65910_GPIO_STS BIT(1) #define TPS65910_GPIO_SET BIT(0) +/* Max number of TPS65910/11 GPIOs */ +#define TPS65910_NUM_GPIO 6 +#define TPS65911_NUM_GPIO 9 +#define TPS6591X_MAX_NUM_GPIO 9 + /* Regulator Index Definitions */ #define TPS65910_REG_VRTC 0 #define TPS65910_REG_VIO 1 @@ -787,6 +794,7 @@ struct tps65910_board { int irq_base; int vmbch_threshold; int vmbch2_threshold; + bool en_gpio_sleep[TPS6591X_MAX_NUM_GPIO]; unsigned long regulator_ext_sleep_control[TPS65910_NUM_REGS]; struct regulator_init_data *tps65910_pmic_init_data[TPS65910_NUM_REGS]; }; diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h index b254052a49d7..81733d12cbea 100644 --- a/include/linux/of_gpio.h +++ b/include/linux/of_gpio.h @@ -50,7 +50,8 @@ static inline struct of_mm_gpio_chip *to_of_mm_gpio_chip(struct gpio_chip *gc) extern int of_get_named_gpio_flags(struct device_node *np, const char *list_name, int index, enum of_gpio_flags *flags); -extern unsigned int of_gpio_count(struct device_node *np); +extern unsigned int of_gpio_named_count(struct device_node *np, + const char* propname); extern int of_mm_gpiochip_add(struct device_node *np, struct of_mm_gpio_chip *mm_gc); @@ -71,7 +72,8 @@ static inline int of_get_named_gpio_flags(struct device_node *np, return -ENOSYS; } -static inline unsigned int of_gpio_count(struct device_node *np) +static inline unsigned int of_gpio_named_count(struct device_node *np, + const char* propname) { return 0; } @@ -89,6 +91,27 @@ static inline void of_gpiochip_remove(struct gpio_chip *gc) { } #endif /* CONFIG_OF_GPIO */ /** + * of_gpio_count - Count GPIOs for a device + * @np: device node to count GPIOs for + * + * The function returns the count of GPIOs specified for a node. + * + * Note that the empty GPIO specifiers counts too. For example, + * + * gpios = <0 + * &pio1 1 2 + * 0 + * &pio2 3 4>; + * + * defines four GPIOs (so this function will return 4), two of which + * are not specified. + */ +static inline unsigned int of_gpio_count(struct device_node *np) +{ + return of_gpio_named_count(np, "gpios"); +} + +/** * of_get_gpio_flags() - Get a GPIO number and flags to use with GPIO API * @np: device node to get GPIO from * @index: index of the GPIO |