[PATCH v2 4/4] ASoC: dt-bindings: rt5682: Add AVDD, MICVDD and VBAT supplies

[Nícolas F. R. A. Prado]

The rt5682 codec can have three supplies: AVDD, MICVDD and VBAT. They
are already used by sc7180-trogdor.dtsi, so document them in the
binding.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado at collabora.com>

---

Changes in v2:
- Added mention that property is already used in a DT to the commit
  message

 Documentation/devicetree/bindings/sound/rt5682.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/rt5682.txt b/Documentation/devicetree/bindings/sound/rt5682.txt
index 6b87db68337c..c07a1fc7b122 100644
--- a/Documentation/devicetree/bindings/sound/rt5682.txt
+++ b/Documentation/devicetree/bindings/sound/rt5682.txt
@@ -48,6 +48,12 @@ Optional properties:
 
 - #sound-dai-cells: Should be set to '<1>'.
 
+- AVDD-supply: phandle to the regulator supplying AVDD
+
+- MICVDD-supply: phandle to the regulator supplying MICVDD
+
+- VBAT-supply: phandle to the regulator supplying VBAT
+
 Pins on the device (for linking into audio routes) for RT5682:
 
   * DMIC L1
-- 
2.38.1