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authorHaojian Zhuang <haojian.zhuang@linaro.org>2013-01-18 11:31:15 +0400
committerLinus Walleij <linus.walleij@linaro.org>2013-01-21 18:43:42 +0400
commit684697cbbcd076b8fde78d8863e341700533b542 (patch)
tree9fd5d797316919312ed6db8b8a1e5210968c0977
parentef5e3eef6b6b22eb4ad7a893d2299418808667ba (diff)
downloadlinux-684697cbbcd076b8fde78d8863e341700533b542.tar.xz
pinctrl: generic: add slew rate config parameter
Add PIN_CONFIG_SLEW_RATE parameter into pinconf-generic driver. Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--drivers/pinctrl/pinconf-generic.c1
-rw-r--r--include/linux/pinctrl/pinconf-generic.h4
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c
index bcf8157ceea7..e5948f8172af 100644
--- a/drivers/pinctrl/pinconf-generic.c
+++ b/drivers/pinctrl/pinconf-generic.c
@@ -45,6 +45,7 @@ struct pin_config_item conf_items[] = {
PCONFDUMP(PIN_CONFIG_INPUT_SCHMITT, "input schmitt trigger", NULL),
PCONFDUMP(PIN_CONFIG_INPUT_DEBOUNCE, "input debounce", "time units"),
PCONFDUMP(PIN_CONFIG_POWER_SOURCE, "pin power source", "selector"),
+ PCONFDUMP(PIN_CONFIG_SLEW_RATE, "slew rate", NULL),
PCONFDUMP(PIN_CONFIG_LOW_POWER_MODE, "pin low power", "mode"),
PCONFDUMP(PIN_CONFIG_OUTPUT, "pin output", "level"),
};
diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h
index 40d7bb9c7562..3e7909aa5c03 100644
--- a/include/linux/pinctrl/pinconf-generic.h
+++ b/include/linux/pinctrl/pinconf-generic.h
@@ -60,6 +60,9 @@
* @PIN_CONFIG_POWER_SOURCE: if the pin can select between different power
* supplies, the argument to this parameter (on a custom format) tells
* the driver which alternative power source to use.
+ * @PIN_CONFIG_SLEW_RATE: if the pin can select slew rate, the argument to
+ * this parameter (on a custom format) tells the driver which alternative
+ * slew rate to use.
* @PIN_CONFIG_LOW_POWER_MODE: this will configure the pin for low power
* operation, if several modes of operation are supported these can be
* passed in the argument on a custom form, else just use argument 1
@@ -83,6 +86,7 @@ enum pin_config_param {
PIN_CONFIG_INPUT_SCHMITT,
PIN_CONFIG_INPUT_DEBOUNCE,
PIN_CONFIG_POWER_SOURCE,
+ PIN_CONFIG_SLEW_RATE,
PIN_CONFIG_LOW_POWER_MODE,
PIN_CONFIG_OUTPUT,
PIN_CONFIG_END = 0x7FFF,