[RESEND PATCH 1/2] ASoC: dt-bindings: add mclk provider support to stm32 i2s

[Olivier Moysan]

From: Olivier Moysan <olivier.moysan at st.com>

Add master clock provider support to STM32 I2S.

Reviewed-by: Rob Herring <robh at kernel.org>
Signed-off-by: Olivier Moysan <olivier.moysan at foss.st.com>
---
 Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
index f32410890589..6feb5a09c184 100644
--- a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
@@ -54,6 +54,10 @@ properties:
   resets:
     maxItems: 1
 
+  "#clock-cells":
+    description: Configure the I2S device as MCLK clock provider.
+    const: 0
+
 required:
   - compatible
   - "#sound-dai-cells"
-- 
2.17.1