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

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Message-ID: <20210205104404.18786-2-olivier.moysan@foss.st.com>
Date:   Fri, 5 Feb 2021 11:44:03 +0100
From:   Olivier Moysan <olivier.moysan@...s.st.com>
To:     Alexandre Torgue <alexandre.torgue@...com>,
        Arnaud Pouliquen <arnaud.pouliquen@...com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Olivier Moysan <olivier.moysan@...com>,
        "Rob Herring" <robh+dt@...nel.org>, Takashi Iwai <tiwai@...e.com>
CC:     <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        Olivier Moysan <olivier.moysan@...s.st.com>
Subject: [RESEND PATCH 1/2] ASoC: dt-bindings: add mclk provider support to stm32 i2s

From: Olivier Moysan <olivier.moysan@...com>

Add master clock provider support to STM32 I2S.

Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Olivier Moysan <olivier.moysan@...s.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