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Subject: [PATCH V5] ASoC: cs42xx8: add reset-gpios in binding document
Thread-Topic: [PATCH V5] ASoC: cs42xx8: add reset-gpios in binding document
Thread-Index: AQHVC9w51n/Go/hZQkqdj0LpyBc8Ww==
Date:   Thu, 16 May 2019 11:40:56 +0000
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Add reset-gpios property, which is optional.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
---
Changes in V5
- use GPIO_ACTIVE_LOW

Changes in V4
- use gpios instead of gpio

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/Document=
ation/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 d=
evice,
     as covered in Documentation/devicetree/bindings/regulator/regulator.tx=
t
=20
+Optional properties:
+
+  - reset-gpios : a GPIO spec to define which pin is connected to the chip=
's
+    !RESET pin
+
 Example:
=20
 cs42888: codec@48 {
@@ -25,4 +30,5 @@ cs42888: codec@48 {
 	VD-supply =3D <&reg_audio>;
 	VLS-supply =3D <&reg_audio>;
 	VLC-supply =3D <&reg_audio>;
+	reset-gpios =3D <&pca9557_b 1 GPIO_ACTIVE_LOW>;
 };
--=20
2.21.0