This commits extends: - dm gpio ops by: 'set_pull' call - dm gpio uclass by: dm_gpio_set_pull() function
The pull mode is not defined so should be driver specific.
Signed-off-by: Przemyslaw Marczak p.marczak@samsung.com CC: Simon Glass sjg@chromium.org --- drivers/gpio/gpio-uclass.c | 12 ++++++++++++ include/asm-generic/gpio.h | 12 ++++++++++++ 2 files changed, 24 insertions(+)
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c index a69bbd2..48b31c2 100644 --- a/drivers/gpio/gpio-uclass.c +++ b/drivers/gpio/gpio-uclass.c @@ -321,6 +321,18 @@ int dm_gpio_set_value(struct gpio_desc *desc, int value) return 0; }
+int dm_gpio_set_pull(struct gpio_desc *desc, int pull) +{ + int ret; + + ret = check_reserved(desc, "set_pull"); + if (ret) + return ret; + + gpio_get_ops(desc->dev)->set_pull(desc->dev, desc->offset, pull); + return 0; +} + int dm_gpio_set_dir_flags(struct gpio_desc *desc, ulong flags) { struct udevice *dev = desc->dev; diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 3b96b82..7e0d426 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -241,6 +241,7 @@ struct dm_gpio_ops { int value); int (*get_value)(struct udevice *dev, unsigned offset); int (*set_value)(struct udevice *dev, unsigned offset, int value); + int (*set_pull)(struct udevice *dev, unsigned offset, int pull); /** * get_function() Get the GPIO function * @@ -479,6 +480,7 @@ int gpio_free_list_nodev(struct gpio_desc *desc, int count);
/** * dm_gpio_get_value() - Get the value of a GPIO + * * This is the driver model version of the existing gpio_get_value() function * and should be used instead of that. @@ -495,6 +497,16 @@ int dm_gpio_get_value(struct gpio_desc *desc); int dm_gpio_set_value(struct gpio_desc *desc, int value);
/** + * dm_gpio_set_pull() - Set the pull-up/down value of a GPIO + * + * @desc: GPIO description containing device, offset and flags, + * previously returned by gpio_request_by_name() + * @pull: GPIO pull value - driver specific + * @return 0 on success or -ve on error +*/ +int dm_gpio_set_pull(struct gpio_desc *desc, int pull); + +/** * dm_gpio_set_dir() - Set the direction for a GPIO * * This sets up the direction according tot the provided flags. It will do