pinctrl: generic: add new 'drive-strength-microamp' property support

Add drive-strength-microamp property support to allow drive strength in uA

Guillaume La Roque committed 7 years ago

Commit c08e7e41 parent 3e75b762 files · +5 −0Browse files

Unified · Split

2 files

drivers/pinctrl/pinconf-generic.c +2 −0
include/linux/pinctrl/pinconf-generic.h +3 −0

drivers/pinctrl/pinconf-generic.c+2−0

@@ -39,6 +39,7 @@ static const struct pin_config_item conf_items[] = { · 38 unmodified lines
39	39	PCONFDUMP(PIN_CONFIG_DRIVE_OPEN_SOURCE, "output drive open source", NULL, false),
40	40	PCONFDUMP(PIN_CONFIG_DRIVE_PUSH_PULL, "output drive push pull", NULL, false),
41	41	PCONFDUMP(PIN_CONFIG_DRIVE_STRENGTH, "output drive strength", "mA", true),
	42	+ PCONFDUMP(PIN_CONFIG_DRIVE_STRENGTH_UA, "output drive strength", "uA", true),
42	43	PCONFDUMP(PIN_CONFIG_INPUT_DEBOUNCE, "input debounce", "usec", true),
43	44	PCONFDUMP(PIN_CONFIG_INPUT_ENABLE, "input enabled", NULL, false),
44	45	PCONFDUMP(PIN_CONFIG_INPUT_SCHMITT, "input schmitt trigger", NULL, false),
@@ -167,6 +168,7 @@ static const struct pinconf_generic_params dt_params[] = { · 122 unmodified lines
167	168	{ "drive-open-source", PIN_CONFIG_DRIVE_OPEN_SOURCE, 0 },
168	169	{ "drive-push-pull", PIN_CONFIG_DRIVE_PUSH_PULL, 0 },
169	170	{ "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 0 },
	171	+ { "drive-strength-microamp", PIN_CONFIG_DRIVE_STRENGTH_UA, 0 },
170	172	{ "input-debounce", PIN_CONFIG_INPUT_DEBOUNCE, 0 },
171	173	{ "input-disable", PIN_CONFIG_INPUT_ENABLE, 0 },
172	174	{ "input-enable", PIN_CONFIG_INPUT_ENABLE, 1 },

include/linux/pinctrl/pinconf-generic.h+3−0

@@ -55,6 +55,8 @@ · 54 unmodified lines
55	55	* push-pull mode, the argument is ignored.
56	56	* @PIN_CONFIG_DRIVE_STRENGTH: the pin will sink or source at most the current
57	57	* passed as argument. The argument is in mA.
	58	+ * @PIN_CONFIG_DRIVE_STRENGTH_UA: the pin will sink or source at most the current
	59	+ * passed as argument. The argument is in uA.
58	60	* @PIN_CONFIG_INPUT_DEBOUNCE: this will configure the pin to debounce mode,
59	61	* which means it will wait for signals to settle when reading inputs. The
60	62	* argument gives the debounce time in usecs. Setting the
@@ -112,6 +114,7 @@ enum pin_config_param { · 51 unmodified lines
112	114	PIN_CONFIG_DRIVE_OPEN_SOURCE,
113	115	PIN_CONFIG_DRIVE_PUSH_PULL,
114	116	PIN_CONFIG_DRIVE_STRENGTH,
	117	+ PIN_CONFIG_DRIVE_STRENGTH_UA,
115	118	PIN_CONFIG_INPUT_DEBOUNCE,
116	119	PIN_CONFIG_INPUT_ENABLE,
117	120	PIN_CONFIG_INPUT_SCHMITT,