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authorS.j. Wang <shengjiu.wang@nxp.com>2019-05-16 11:40:56 +0000
committerMark Brown <broonie@kernel.org>2019-05-20 15:21:56 +0100
commit90fdbe8ab27047f7b9da57d1975c14a8d8f39370 (patch)
tree6754083bea3d79591cb3014e8289e24362e19a28 /Documentation/devicetree/bindings/sound/cs42xx8.txt
parent2ffb0f580bded5f16ec4d619f8abb4745425e864 (diff)
ASoC: cs42xx8: add reset-gpios in binding document
Add reset-gpios property, which is optional. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound/cs42xx8.txt')
-rw-r--r--Documentation/devicetree/bindings/sound/cs42xx8.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/cs42xx8.txt b/Documentation/devicetree/bindings/sound/cs42xx8.txt
index 8619a156d038..bbfe39347c20 100644
--- a/Documentation/devicetree/bindings/sound/cs42xx8.txt
+++ b/Documentation/devicetree/bindings/sound/cs42xx8.txt
@@ -14,6 +14,11 @@ Required properties:
- VA-supply, VD-supply, VLS-supply, VLC-supply: power supplies for the device,
as covered in Documentation/devicetree/bindings/regulator/regulator.txt
+Optional properties:
+
+ - reset-gpios : a GPIO spec to define which pin is connected to the chip's
+ !RESET pin
+
Example:
cs42888: codec@48 {
@@ -25,4 +30,5 @@ cs42888: codec@48 {
VD-supply = <&reg_audio>;
VLS-supply = <&reg_audio>;
VLC-supply = <&reg_audio>;
+ reset-gpios = <&pca9557_b 1 GPIO_ACTIVE_LOW>;
};