diff options
| -rw-r--r-- | drivers/gpio/gpio-uclass.c | 17 | ||||
| -rw-r--r-- | include/asm-generic/gpio.h | 16 |
2 files changed, 28 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c index 84e5013cce..757ab7106e 100644 --- a/drivers/gpio/gpio-uclass.c +++ b/drivers/gpio/gpio-uclass.c @@ -572,11 +572,16 @@ static int _dm_gpio_set_dir_flags(struct gpio_desc *desc, ulong flags) return ret; } - if (flags & GPIOD_IS_OUT) { - ret = ops->direction_output(dev, desc->offset, - GPIOD_FLAGS_OUTPUT(flags)); - } else if (flags & GPIOD_IS_IN) { - ret = ops->direction_input(dev, desc->offset); + /* GPIOD_ are directly managed by driver in set_dir_flags*/ + if (ops->set_dir_flags) { + ret = ops->set_dir_flags(dev, desc->offset, flags); + } else { + if (flags & GPIOD_IS_OUT) { + ret = ops->direction_output(dev, desc->offset, + GPIOD_FLAGS_OUTPUT(flags)); + } else if (flags & GPIOD_IS_IN) { + ret = ops->direction_input(dev, desc->offset); + } } return ret; @@ -1146,6 +1151,8 @@ static int gpio_post_bind(struct udevice *dev) ops->get_function += gd->reloc_off; if (ops->xlate) ops->xlate += gd->reloc_off; + if (ops->set_dir_flags) + ops->set_dir_flags += gd->reloc_off; if (ops->get_dir_flags) ops->get_dir_flags += gd->reloc_off; diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 7c1f71b1ac..859f41a0d4 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -299,6 +299,22 @@ struct dm_gpio_ops { struct ofnode_phandle_args *args); /** + * set_dir_flags() - Set GPIO dir flags + * + * This function should set up the GPIO configuration according to the + * information provide by the direction flags bitfield. + * + * This method is optional. + * + * @dev: GPIO device + * @offset: GPIO offset within that device + * @flags: GPIO configuration to use + * @return 0 if OK, -ve on error + */ + int (*set_dir_flags)(struct udevice *dev, unsigned int offset, + ulong flags); + + /** * get_dir_flags() - Get GPIO dir flags * * This function return the GPIO direction flags used. |