[PATCH 1/2] ASoC: dt-bindings: rt5682: add LDO2 power control device property

[shumingf at realtek.com]

From: Shuming Fan <shumingf at realtek.com>

The "realtek,ldo2-pow-en" device property uses to enable LDO2 power while the headset recording.

Signed-off-by: Shuming Fan <shumingf at realtek.com>
---
 Documentation/devicetree/bindings/sound/rt5682.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/rt5682.txt b/Documentation/devicetree/bindings/sound/rt5682.txt
index 9c5fadb6ac82..eba2ea588564 100644
--- a/Documentation/devicetree/bindings/sound/rt5682.txt
+++ b/Documentation/devicetree/bindings/sound/rt5682.txt
@@ -46,6 +46,8 @@ Optional properties:
 
 - realtek,dmic-clk-driving-high : Set the high drving of the DMIC clock out.
 
+- realtek,ldo2-pow-en : Enable LDO2 power control if the application circuit uses VBAT, not MICVDD.
+
 Pins on the device (for linking into audio routes) for RT5682:
 
   * DMIC L1
-- 
2.29.0