linux-kernel - [PATCH 7/7] ASoC: dt-bindings: mediatek,mt8188-afe: add audio properties

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Message-ID: <20230413104713.7174-8-trevor.wu@mediatek.com>
Date:   Thu, 13 Apr 2023 18:47:13 +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>, <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 7/7] ASoC: dt-bindings: mediatek,mt8188-afe: add audio properties

Assign top_a1sys_hp clock to 26M, and add apll1_d4 to clocks for switching
the parent of top_a1sys_hp dynamically
On the other hand, "mediatek,infracfg" is included for bus protection.

Signed-off-by: Trevor Wu <trevor.wu@...iatek.com>
---
 .../bindings/sound/mediatek,mt8188-afe.yaml    | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml
index 82ccb32f08f2..03301d5082f3 100644
--- a/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml
+++ b/Documentation/devicetree/bindings/sound/mediatek,mt8188-afe.yaml
@@ -29,6 +29,10 @@ properties:
     $ref: /schemas/types.yaml#/definitions/phandle
     description: The phandle of the mediatek topckgen controller
 
+  mediatek,infracfg:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: The phandle of the mediatek infracfg controller
+
   power-domains:
     maxItems: 1
 
@@ -37,6 +41,7 @@ properties:
       - description: 26M clock
       - description: audio pll1 clock
       - description: audio pll2 clock
+      - description: audio pll1 divide 4
       - description: clock divider for i2si1_mck
       - description: clock divider for i2si2_mck
       - description: clock divider for i2so1_mck
@@ -58,6 +63,7 @@ properties:
       - const: clk26m
       - const: apll1
       - const: apll2
+      - const: apll1_d4
       - const: apll12_div0
       - const: apll12_div1
       - const: apll12_div2
@@ -74,6 +80,12 @@ properties:
       - const: i2si2_m_sel
       - const: adsp_audio_26m
 
+  assigned-clocks:
+    maxItems: 1
+
+  assigned-clock-parents:
+    maxItems: 1
+
   mediatek,etdm-in1-cowork-source:
     $ref: /schemas/types.yaml#/definitions/uint32
     description:
@@ -147,6 +159,8 @@ required:
   - power-domains
   - clocks
   - clock-names
+  - assigned-clocks
+  - assigned-clock-parents
 
 additionalProperties: false
 
@@ -170,6 +184,7 @@ examples:
         clocks = <&clk26m>,
                  <&apmixedsys 9>, //CLK_APMIXED_APLL1
                  <&apmixedsys 10>, //CLK_APMIXED_APLL2
+                 <&topckgen 136>, //CLK_TOP_APLL1_D4
                  <&topckgen 186>, //CLK_TOP_APLL12_CK_DIV0
                  <&topckgen 187>, //CLK_TOP_APLL12_CK_DIV1
                  <&topckgen 188>, //CLK_TOP_APLL12_CK_DIV2
@@ -188,6 +203,7 @@ examples:
         clock-names = "clk26m",
                       "apll1",
                       "apll2",
+                      "apll1_d4",
                       "apll12_div0",
                       "apll12_div1",
                       "apll12_div2",
@@ -203,6 +219,8 @@ examples:
                       "i2si1_m_sel",
                       "i2si2_m_sel",
                       "adsp_audio_26m";
+        assigned-clocks = <&topckgen 83>; //CLK_TOP_A1SYS_HP
+        assigned-clock-parents =  <&clk26m>;
     };
 
 ...
-- 
2.18.0