ASoC: dt-bindings: rt5645: add suppliers

The rt5645 and rt5650 have two suppliers, document them.

Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20200114150151.8537-1-matthias.bgg@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/Documentation/devicetree/bindings/sound/rt5645.txt b/Documentation/devicetree/bindings/sound/rt5645.txt
index a03f9a8..41a62fd 100644 (file)
--- a/Documentation/devicetree/bindings/sound/rt5645.txt
+++ b/Documentation/devicetree/bindings/sound/rt5645.txt
@@ -10,6 +10,10 @@ Required properties:
 
 - interrupts : The CODEC's interrupt output.
 
+- avdd-supply: Power supply for AVDD, providing 1.8V.
+
+- cpvdd-supply: Power supply for CPVDD, providing 3.5V.
+
 Optional properties:
 
 - hp-detect-gpios: