[PATCH 1/2] ASoC: max9892x: Add documentation for reset-gpio support

[Cheng-Yi Chiang]

max98927 codec driver will support reset-gpio binding so it can toggle
reset line in its probe function.

Signed-off-by: Cheng-Yi Chiang <cychiang@xxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/sound/max9892x.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/max9892x.txt b/Documentation/devicetree/bindings/sound/max9892x.txt
index f6171591ddc61..8bf30483eedcd 100644
--- a/Documentation/devicetree/bindings/sound/max9892x.txt
+++ b/Documentation/devicetree/bindings/sound/max9892x.txt
@@ -29,6 +29,8 @@ Required properties:
                    Range : 0 (off), 1 (on),  Default : 0
 
   - reg : the I2C address of the device for I2C
+  - reset-gpio: reset gpio the chip is connected to. This is supported
+                on max98927.
 
 Example:
 
@@ -38,4 +40,5 @@ codec: max98927@3a {
    imon-slot-no = <1>;
    interleave-mode = <0>;
    reg = <0x3a>;
+   reset-gpio = <&tlmm 75 GPIO_ACTIVE_LOW>;
 };
-- 
2.16.4