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| author |   Anatol Pomozov <anatol.pomozov@gmail.com> | 2014-10-10 20:46:36 -0700 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2014-10-20 12:22:20 +0100 |
| commit | 40eb90a18e93fbd4fd0e6892b31241356c3c8e43 (patch) | |
| tree | 401f2d17cb15f745d8f31a7045bff61be7315f15 /Documentation/devicetree/bindings/sound/rt5677.txt | |
| parent | ASoC: rt5677: Include gpio driver header (diff) | |
| download | linux-dev-40eb90a18e93fbd4fd0e6892b31241356c3c8e43.tar.xz linux-dev-40eb90a18e93fbd4fd0e6892b31241356c3c8e43.zip | |
ASoC: rt5677: Add option to configure gpio as floating/pullup/pulldown
gpio_config is array of 6 elements that allows to set GPIO as
floating, pullup, pulldown.
Sponsored: Google ChromeOS
Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound/rt5677.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/rt5677.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/rt5677.txt b/Documentation/devicetree/bindings/sound/rt5677.txt index 0701b834fc73..f82f0e906cd9 100644 --- a/Documentation/devicetree/bindings/sound/rt5677.txt +++ b/Documentation/devicetree/bindings/sound/rt5677.txt @@ -27,6 +27,12 @@ Optional properties: Boolean. Indicate MIC1/2 input and LOUT1/2/3 outputs are differential, rather than single-ended. +- realtek,gpio-config + Array of six 8bit elements that configures GPIO. + 0 - floating (reset value) + 1 - pull down + 2 - pull up + Pins on the device (for linking into audio routes): * IN1P @@ -56,4 +62,5 @@ rt5677 { realtek,pow-ldo2-gpio = <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>; realtek,in1-differential = "true"; + realtek,gpio-config = /bits/ 8 <0 0 0 0 0 2>; /* pull up GPIO6 */ }; |