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Subject: [PATCH RESEND V3] ASoC: cs42xx8: add reset-gpio in binding document
Thread-Topic: [PATCH RESEND V3] ASoC: cs42xx8: add reset-gpio in binding
 document
Thread-Index: AQHVC9njdHFVpoMQJkaGKICvqNXQ+Q==
Date:   Thu, 16 May 2019 11:24:12 +0000
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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/Document=
ation/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 d=
evice,
     as covered in Documentation/devicetree/bindings/regulator/regulator.tx=
t
=20
+Optional properties:
+
+  - reset-gpio : 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-gpio =3D <&pca9557_b 1 1>;
 };
--=20
2.21.0