linux-kernel - [PATCH 5/5] ASoC: dt-bindings: mediatek,mt8188-mt6359: update properties

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Date:   Wed, 17 May 2023 19:15:34 +0800
From:   Trevor Wu <trevor.wu@...iatek.com>
To:     <broonie@...nel.org>, <lgirdwood@...il.com>, <tiwai@...e.com>,
        <perex@...ex.cz>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <matthias.bgg@...il.com>, <angelogioacchino.delregno@...labora.com>
CC:     <trevor.wu@...iatek.com>, <alsa-devel@...a-project.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: [PATCH 5/5] ASoC: dt-bindings: mediatek,mt8188-mt6359: update properties

Add compatible string "mediatek,mt8188-nau8825" to support new board
with nau8825 codec.

ADDA_BE is used to connect to mt6359. For the machine, it must be
fixed to the same codec and configured on the machine driver. Remove
ADDA_BE from items of link-name.

Introduce two properties "dai-format" and "mediatek,clk-provider" under
dai-link subnode to configure dai-link parameters via dts.

"codec" property is removed from required property of dai-link subnode.
For co-clock case, it's possible two dai-links should be configured to
the same format, but only one dai-link builds link with codec.

Signed-off-by: Trevor Wu <trevor.wu@...iatek.com>
---
 .../sound/mediatek,mt8188-mt6359.yaml         | 27 ++++++++++++++++---
 1 file changed, 23 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8188-mt6359.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8188-mt6359.yaml
index 6640272b3f4f..05e532b5d50a 100644
--- a/Documentation/devicetree/bindings/sound/mediatek,mt8188-mt6359.yaml
+++ b/Documentation/devicetree/bindings/sound/mediatek,mt8188-mt6359.yaml
@@ -11,7 +11,9 @@ maintainers:
 
 properties:
   compatible:
-    const: mediatek,mt8188-mt6359-evb
+    enum:
+      - mediatek,mt8188-mt6359-evb
+      - mediatek,mt8188-nau8825
 
   model:
     $ref: /schemas/types.yaml#/definitions/string
@@ -42,7 +44,6 @@ patternProperties:
           we are going to update parameters in this node.
         items:
           enum:
-            - ADDA_BE
             - DPTX_BE
             - ETDM1_IN_BE
             - ETDM2_IN_BE
@@ -62,11 +63,28 @@ patternProperties:
         required:
           - sound-dai
 
+      dai-format:
+        description: audio format.
+        items:
+          enum:
+            - i2s
+            - right_j
+            - left_j
+            - dsp_a
+            - dsp_b
+
+      mediatek,clk-provider:
+        $ref: /schemas/types.yaml#/definitions/string
+        description: Indicates dai-link clock master.
+        items:
+          enum:
+            - cpu
+            - codec
+
     additionalProperties: false
 
     required:
       - link-name
-      - codec
 
 additionalProperties: false
 
@@ -87,7 +105,8 @@ examples:
             "AIN1", "Headset Mic";
         dai-link-0 {
             link-name = "ETDM3_OUT_BE";
-
+            dai-format = "i2s";
+            mediatek,clk-provider = "cpu";
             codec {
                 sound-dai = <&hdmi0>;
             };
-- 
2.18.0