diff options
Diffstat (limited to 'include/linux/gpio')
| -rw-r--r-- | include/linux/gpio/consumer.h | 16 | ||||
| -rw-r--r-- | include/linux/gpio/driver.h | 10 |
2 files changed, 24 insertions, 2 deletions
diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h index e71f6e1bfafe..fe0f460d9a3b 100644 --- a/include/linux/gpio/consumer.h +++ b/include/linux/gpio/consumer.h @@ -109,6 +109,8 @@ int gpiod_get_direction(struct gpio_desc *desc); int gpiod_direction_input(struct gpio_desc *desc); int gpiod_direction_output(struct gpio_desc *desc, int value); int gpiod_direction_output_raw(struct gpio_desc *desc, int value); +int gpiod_enable_hw_timestamp_ns(struct gpio_desc *desc, unsigned long flags); +int gpiod_disable_hw_timestamp_ns(struct gpio_desc *desc, unsigned long flags); /* Value get/set from non-sleeping context */ int gpiod_get_value(const struct gpio_desc *desc); @@ -350,8 +352,18 @@ static inline int gpiod_direction_output_raw(struct gpio_desc *desc, int value) WARN_ON(desc); return -ENOSYS; } - - +static inline int gpiod_enable_hw_timestamp_ns(struct gpio_desc *desc, + unsigned long flags) +{ + WARN_ON(desc); + return -ENOSYS; +} +static inline int gpiod_disable_hw_timestamp_ns(struct gpio_desc *desc, + unsigned long flags) +{ + WARN_ON(desc); + return -ENOSYS; +} static inline int gpiod_get_value(const struct gpio_desc *desc) { /* GPIO can never have been requested */ diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 654184cdb719..b1e0f1f8ee2e 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -333,6 +333,10 @@ struct gpio_irq_chip { * @add_pin_ranges: optional routine to initialize pin ranges, to be used when * requires special mapping of the pins that provides GPIO functionality. * It is called after adding GPIO chip and before adding IRQ chip. + * @en_hw_timestamp: Dependent on GPIO chip, an optional routine to + * enable hardware timestamp. + * @dis_hw_timestamp: Dependent on GPIO chip, an optional routine to + * disable hardware timestamp. * @base: identifies the first GPIO number handled by this chip; * or, if negative during registration, requests dynamic ID allocation. * DEPRECATION: providing anything non-negative and nailing the base @@ -429,6 +433,12 @@ struct gpio_chip { int (*add_pin_ranges)(struct gpio_chip *gc); + int (*en_hw_timestamp)(struct gpio_chip *gc, + u32 offset, + unsigned long flags); + int (*dis_hw_timestamp)(struct gpio_chip *gc, + u32 offset, + unsigned long flags); int base; u16 ngpio; u16 offset; |