diff options
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/gpio.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index d03602696f6..37f71e5708e 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -349,6 +349,22 @@ const char *gpio_get_bank_info(struct udevice *dev, int *offset_count); int dm_gpio_lookup_name(const char *name, struct gpio_desc *desc); /** + * gpio_hog_lookup_name() - Look up a named GPIO and return the gpio descr. + * + * @name: Name to look up + * @return: Returns gpio_desc for gpio + */ +struct gpio_desc *gpio_hog_lookup_name(const char *name); + +/** + * gpio_hog_probe_all() - probe all gpio devices with + * gpio-hog subnodes. + * + * @return: Returns return value from device_probe() + */ +int gpio_hog_probe_all(void); + +/** * gpio_lookup_name - Look up a GPIO name and return its details * * This is used to convert a named GPIO into a device, offset and GPIO @@ -504,6 +520,22 @@ int gpio_request_list_by_name_nodev(ofnode node, const char *list_name, int flags); /** + * gpio_dev_request_index() - request single GPIO from gpio device + * + * @dev: GPIO device + * @nodename: Name of node + * @list_name: Name of GPIO list (e.g. "board-id-gpios") + * @index: Index number of the GPIO in that list use request (0=first) + * @flags: GPIOD_* flags + * @dtflags: GPIO flags read from DT + * @desc: GPIO descriotor filled from this function + * @return: return value from gpio_request_tail() + */ +int gpio_dev_request_index(struct udevice *dev, const char *nodename, + char *list_name, int index, int flags, + int dtflags, struct gpio_desc *desc); + +/** * dm_gpio_free() - Free a single GPIO * * This frees a single GPIOs previously returned from gpio_request_by_name(). |