diff options
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt | 7 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-single.c | 3 |
2 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt index bc0dfdfdb148..66dcaa9efd74 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt @@ -63,6 +63,13 @@ Optional properties: /* input, enable bits, disable bits, mask */ pinctrl-single,input-schmitt-enable = <0x30 0x40 0 0x70>; +- pinctrl-single,low-power-mode : array of value that are used to configure + low power mode of this pin. For some silicons, the low power mode will + control the output of the pin when the pad including the pin enter low + power mode. + /* low power mode value, mask */ + pinctrl-single,low-power-mode = <0x288 0x388>; + - pinctrl-single,gpio-range : list of value that are used to configure a GPIO range. They're value of subnode phandle, pin base in pinctrl device, pin number in this range, GPIO function value of this GPIO range. diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index de6459628b4f..81075f2a1d3f 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -662,6 +662,7 @@ static int pcs_pinconf_get(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_DRIVE_STRENGTH: case PIN_CONFIG_SLEW_RATE: + case PIN_CONFIG_LOW_POWER_MODE: default: *config = data; break; @@ -699,6 +700,7 @@ static int pcs_pinconf_set(struct pinctrl_dev *pctldev, case PIN_CONFIG_INPUT_SCHMITT: case PIN_CONFIG_DRIVE_STRENGTH: case PIN_CONFIG_SLEW_RATE: + case PIN_CONFIG_LOW_POWER_MODE: shift = ffs(func->conf[i].mask) - 1; data &= ~func->conf[i].mask; data |= (arg << shift) & func->conf[i].mask; @@ -1101,6 +1103,7 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, struct device_node *np, { "pinctrl-single,drive-strength", PIN_CONFIG_DRIVE_STRENGTH, }, { "pinctrl-single,slew-rate", PIN_CONFIG_SLEW_RATE, }, { "pinctrl-single,input-schmitt", PIN_CONFIG_INPUT_SCHMITT, }, + { "pinctrl-single,low-power-mode", PIN_CONFIG_LOW_POWER_MODE, }, }; struct pcs_conf_type prop4[] = { { "pinctrl-single,bias-pullup", PIN_CONFIG_BIAS_PULL_UP, }, |