diff options
| -rw-r--r-- | include/linux/pinctrl/pinctrl.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h index c22d0409d2ef..3b894a668d32 100644 --- a/include/linux/pinctrl/pinctrl.h +++ b/include/linux/pinctrl/pinctrl.h @@ -72,6 +72,15 @@ struct pinctrl_gpio_range { * group selector @pins, and the size of the array in @num_pins * @pin_dbg_show: optional debugfs display hook that will provide per-device * info for a certain pin in debugfs + * @dt_node_to_map: parse a device tree "pin configuration node", and create + * mapping table entries for it. These are returned through the @map and + * @num_maps output parameters. This function is optional, and may be + * omitted for pinctrl drivers that do not support device tree. + * @dt_free_map: free mapping table entries created via @dt_node_to_map. The + * top-level @map pointer must be freed, along with any dynamically + * allocated members of the mapping table entries themselves. This + * function is optional, and may be omitted for pinctrl drivers that do + * not support device tree. */ struct pinctrl_ops { int (*get_groups_count) (struct pinctrl_dev *pctldev); |
