Documentation/driver-api/pin-control.rst

75 		.name = "foo",
361 group "foo":
365 	pinctrl_get_group_pins(pctl, "foo", &gpio_range.pins, &gpio_range.npins);
904 		PIN_MAP_MUX_GROUP("uart", PINCTRL_STATE_DEFAULT, "pinctrl-foo",
906 		PIN_MAP_CONFIGS_PIN("uart", PINCTRL_STATE_DEFAULT, "pinctrl-foo",
908 		PIN_MAP_MUX_GROUP("uart", PINCTRL_STATE_SLEEP, "pinctrl-foo",
910 		PIN_MAP_CONFIGS_PIN("uart", PINCTRL_STATE_SLEEP, "pinctrl-foo",
963 			.dev_name = "foo-spi.0",
966 			.ctrl_dev_name = "pinctrl-foo",
970 			.dev_name = "foo-i2c.0",
973 			.ctrl_dev_name = "pinctrl-foo",
977 			.dev_name = "foo-mmc.0",
980 			.ctrl_dev_name = "pinctrl-foo",
999 it even more compact which assumes you want to use pinctrl-foo and position
1005 		PIN_MAP_MUX_GROUP("foo-i2c.o", PINCTRL_STATE_DEFAULT,
1006 				  "pinctrl-foo", NULL, "i2c0"),
1027 		PIN_MAP_MUX_GROUP("foo-i2c.0", PINCTRL_STATE_DEFAULT,
1028 				  "pinctrl-foo", "i2c0", "i2c0"),
1029 		PIN_MAP_CONFIGS_GROUP("foo-i2c.0", PINCTRL_STATE_DEFAULT,
1030 				      "pinctrl-foo", "i2c0", i2c_grp_configs),
1031 		PIN_MAP_CONFIGS_PIN("foo-i2c.0", PINCTRL_STATE_DEFAULT,
1032 				    "pinctrl-foo", "i2c0scl", i2c_pin_configs),
1033 		PIN_MAP_CONFIGS_PIN("foo-i2c.0", PINCTRL_STATE_DEFAULT,
1034 				    "pinctrl-foo", "i2c0sda", i2c_pin_configs),
1047 		PIN_MAP_DUMMY_STATE("foo-i2c.0", PINCTRL_STATE_DEFAULT),
1061 		.dev_name = "foo-spi.0",
1064 		.ctrl_dev_name = "pinctrl-foo",
1069 		.dev_name = "foo-spi.0",
1072 		.ctrl_dev_name = "pinctrl-foo",
1091 		.dev_name = "foo-mmc.0",
1094 		.ctrl_dev_name = "pinctrl-foo",
1099 		.dev_name = "foo-mmc.0",
1102 		.ctrl_dev_name = "pinctrl-foo",
1107 		.dev_name = "foo-mmc.0",
1110 		.ctrl_dev_name = "pinctrl-foo",
1115 		.dev_name = "foo-mmc.0",
1118 		.ctrl_dev_name = "pinctrl-foo",
1123 		.dev_name = "foo-mmc.0",
1126 		.ctrl_dev_name = "pinctrl-foo",
1131 		.dev_name = "foo-mmc.0",
1134 		.ctrl_dev_name = "pinctrl-foo",
1203 		/* Allocate a state holder named "foo" etc */
1204 		struct foo_state *foo = ...;
1206 		foo->p = devm_pinctrl_get(&device);
1207 		if (IS_ERR(foo->p)) {
1208 			/* FIXME: clean up "foo" here */
1209 			return PTR_ERR(foo->p);
1212 		foo->s = pinctrl_lookup_state(foo->p, PINCTRL_STATE_DEFAULT);
1213 		if (IS_ERR(foo->s)) {
1214 			/* FIXME: clean up "foo" here */
1215 			return PTR_ERR(foo->s);
1218 		ret = pinctrl_select_state(foo->p, foo->s);
1220 			/* FIXME: clean up "foo" here */
1296 	gpio = devm_gpiod_get(&dev, "foo");
1298 Here we first request a certain pin state and then request GPIO "foo" to be
1340 		.dev_name = "pinctrl-foo",
1343 		.ctrl_dev_name = "pinctrl-foo",
1353 	PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-foo", NULL /* group */,