linux-kernel - [PATCH v2 2/3] dt-bindings: sound: rockchip-spdif: add #sound-dai-cells property

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Message-Id: <20200324123155.11858-2-jbx6244@gmail.com>
Date:   Tue, 24 Mar 2020 13:31:54 +0100
From:   Johan Jonker <jbx6244@...il.com>
To:     lgirdwood@...il.com
Cc:     broonie@...nel.org, heiko@...ech.de, robh+dt@...nel.org,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/3] dt-bindings: sound: rockchip-spdif: add #sound-dai-cells property

'#sound-dai-cells' is required to properly interpret
the list of DAI specified in the 'sound-dai' property,
so add them to 'rockchip-spdif.yaml'

Signed-off-by: Johan Jonker <jbx6244@...il.com>
---
 Documentation/devicetree/bindings/sound/rockchip-spdif.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml b/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml
index d1c72c8a5..0546fd4cc 100644
--- a/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml
+++ b/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml
@@ -57,6 +57,9 @@ properties:
       The phandle of the syscon node for the GRF register.
       Required property on RK3288.
 
+  "#sound-dai-cells":
+    const: 0
+
 required:
   - compatible
   - reg
@@ -65,6 +68,7 @@ required:
   - clock-names
   - dmas
   - dma-names
+  - "#sound-dai-cells"
 
 if:
   properties:
@@ -91,4 +95,5 @@ examples:
       clock-names = "mclk", "hclk";
       dmas = <&dmac1_s 8>;
       dma-names = "tx";
+      #sound-dai-cells = <0>;
     };
-- 
2.11.0