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pinctrl: clarify some dt pinconfig options

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The bias-pull-* options use values > 0 to indicate that the pull should
be activated and optionally also indicate the strength of the pull.
Therefore use an default value of 1 for these options.

Split the low-power-mode option into low-power-enable and -disable.

Update the documentation to describe the param arguments better.

Reported-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Heiko Stübner
2013-06-14 17:42:49 +02:00
committed by Linus Walleij
parent 56a59911e5
commit 9ee1f7d266
2 changed files with 26 additions and 5 deletions
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9
drivers/pinctrl/pinconf-generic.c
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@@ -152,9 +152,9 @@ static struct pinconf_generic_dt_params dt_params[] = {
{ "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 },
{ "bias-high-impedance", PIN_CONFIG_BIAS_HIGH_IMPEDANCE, 0 },
{ "bias-bus-hold", PIN_CONFIG_BIAS_BUS_HOLD, 0 },
{ "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 0 },
{ "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 0 },
{ "bias-pull-pin-default", PIN_CONFIG_BIAS_PULL_PIN_DEFAULT, 0 },
{ "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 1 },
{ "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 1 },
{ "bias-pull-pin-default", PIN_CONFIG_BIAS_PULL_PIN_DEFAULT, 1 },
{ "drive-push-pull", PIN_CONFIG_DRIVE_PUSH_PULL, 0 },
{ "drive-open-drain", PIN_CONFIG_DRIVE_OPEN_DRAIN, 0 },
{ "drive-open-source", PIN_CONFIG_DRIVE_OPEN_SOURCE, 0 },
@@ -165,7 +165,8 @@ static struct pinconf_generic_dt_params dt_params[] = {
{ "input-debounce", PIN_CONFIG_INPUT_DEBOUNCE, 0 },
{ "power-source", PIN_CONFIG_POWER_SOURCE, 0 },
{ "slew-rate", PIN_CONFIG_SLEW_RATE, 0 },
{ "low-power-mode", PIN_CONFIG_LOW_POWER_MODE, 0 },
{ "low-power-enable", PIN_CONFIG_LOW_POWER_MODE, 1 },
{ "low-power-disable", PIN_CONFIG_LOW_POWER_MODE, 0 },
{ "output-low", PIN_CONFIG_OUTPUT, 0, },
{ "output-high", PIN_CONFIG_OUTPUT, 1, },
};