diff options
Diffstat (limited to 'kernel/include/linux/pinctrl/pinctrl-state.h')
| -rw-r--r-- | kernel/include/linux/pinctrl/pinctrl-state.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/include/linux/pinctrl/pinctrl-state.h b/kernel/include/linux/pinctrl/pinctrl-state.h index b5919f8e6..230735193 100644 --- a/kernel/include/linux/pinctrl/pinctrl-state.h +++ b/kernel/include/linux/pinctrl/pinctrl-state.h @@ -9,6 +9,13 @@ * hogs to configure muxing and pins at boot, and also as a state * to go into when returning from sleep and idle in * .pm_runtime_resume() or ordinary .resume() for example. + * @PINCTRL_STATE_INIT: normally the pinctrl will be set to "default" + * before the driver's probe() function is called. There are some + * drivers where that is not appropriate becausing doing so would + * glitch the pins. In those cases you can add an "init" pinctrl + * which is the state of the pins before drive probe. After probe + * if the pins are still in "init" state they'll be moved to + * "default". * @PINCTRL_STATE_IDLE: the state the pinctrl handle shall be put into * when the pins are idle. This is a state where the system is relaxed * but not fully sleeping - some power may be on but clocks gated for @@ -20,5 +27,6 @@ * ordinary .suspend() function. */ #define PINCTRL_STATE_DEFAULT "default" +#define PINCTRL_STATE_INIT "init" #define PINCTRL_STATE_IDLE "idle" #define PINCTRL_STATE_SLEEP "sleep" |