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Subject[PATCH RESEND V3] ASoC: cs42xx8: add reset-gpio in binding document
Date
Add reset-gpio property, which is an optional option

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
---
Changes in RESEND v3
- send updated binding document only

Changes in v3
- update binding document.

Changes in v2
- use devm_gpiod_get_optional instead of of_get_named_gpio

Documentation/devicetree/bindings/sound/cs42xx8.txt | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/cs42xx8.txt b/Documentation/devicetree/bindings/sound/cs42xx8.txt
index 8619a156d038..ab8f54095269 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-gpio : 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-gpio = <&pca9557_b 1 1>;
};
--
2.21.0
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