diff options
Diffstat (limited to 'include/linux/pinctrl/pinctrl-state.h')
| -rw-r--r-- | include/linux/pinctrl/pinctrl-state.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/pinctrl/pinctrl-state.h b/include/linux/pinctrl/pinctrl-state.h new file mode 100644 index 000000000..b5919f8e6 --- /dev/null +++ b/include/linux/pinctrl/pinctrl-state.h @@ -0,0 +1,24 @@ +/* + * Standard pin control state definitions + */ + +/** + * @PINCTRL_STATE_DEFAULT: the state the pinctrl handle shall be put + * into as default, usually this means the pins are up and ready to + * be used by the device driver. This state is commonly used by + * 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_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 + * example. Could typically be set from a pm_runtime_suspend() or + * pm_runtime_idle() operation. + * @PINCTRL_STATE_SLEEP: the state the pinctrl handle shall be put into + * when the pins are sleeping. This is a state where the system is in + * its lowest sleep state. Could typically be set from an + * ordinary .suspend() function. + */ +#define PINCTRL_STATE_DEFAULT "default" +#define PINCTRL_STATE_IDLE "idle" +#define PINCTRL_STATE_SLEEP "sleep" |