[PATCH RFC 2/3] pinconf-generic: add pull up and pull down config with resistance

[Niyas Sait <niyas.sait@xxxxxxxxxx>]

pin configuration types have been extended to include a pull up
and pull down config with resistance in ohms.

Signed-off-by: Niyas Sait <niyas.sait@xxxxxxxxxx>
---
 include/linux/pinctrl/pinconf-generic.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h
index 2422211d6a5a..57e4b364e877 100644
--- a/include/linux/pinctrl/pinconf-generic.h
+++ b/include/linux/pinctrl/pinconf-generic.h
@@ -36,6 +36,8 @@ struct pinctrl_map;
  * @PIN_CONFIG_BIAS_PULL_DOWN: the pin will be pulled down (usually with high
  *	impedance to GROUND). If the argument is != 0 pull-down is enabled,
  *	if it is 0, pull-down is total, i.e. the pin is connected to GROUND.
+ * @PIN_CONFIG_BIAS_PULL_DOWN_OHMS: the pin will be pulled down with value
+ *  passed as argument. The argument is in ohms.
  * @PIN_CONFIG_BIAS_PULL_PIN_DEFAULT: the pin will be pulled up or down based
  *	on embedded knowledge of the controller hardware, like current mux
  *	function. The pull direction and possibly strength too will normally
@@ -47,6 +49,8 @@ struct pinctrl_map;
  * @PIN_CONFIG_BIAS_PULL_UP: the pin will be pulled up (usually with high
  *	impedance to VDD). If the argument is != 0 pull-up is enabled,
  *	if it is 0, pull-up is total, i.e. the pin is connected to VDD.
+  * @PIN_CONFIG_BIAS_PULL_UP_OHMS: the pin will be pulled up with value
+  * passed as argument. The argument is in ohms.
  * @PIN_CONFIG_DRIVE_OPEN_DRAIN: the pin will be driven with open drain (open
  *	collector) which means it is usually wired with other output ports
  *	which are then pulled up with an external resistor. Setting this
@@ -116,8 +120,10 @@ enum pin_config_param {
 	PIN_CONFIG_BIAS_DISABLE,
 	PIN_CONFIG_BIAS_HIGH_IMPEDANCE,
 	PIN_CONFIG_BIAS_PULL_DOWN,
+	PIN_CONFIG_BIAS_PULL_DOWN_OHMS,
 	PIN_CONFIG_BIAS_PULL_PIN_DEFAULT,
 	PIN_CONFIG_BIAS_PULL_UP,
+	PIN_CONFIG_BIAS_PULL_UP_OHMS,
 	PIN_CONFIG_DRIVE_OPEN_DRAIN,
 	PIN_CONFIG_DRIVE_OPEN_SOURCE,
 	PIN_CONFIG_DRIVE_PUSH_PULL,
-- 
2.25.1