linux-kernel - [PATCH v2 5/5] dt-bindings: mmc: mtk-sd: add mt7986

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Date:   Sat, 22 Oct 2022 11:05:30 +0200
From:   Frank Wunderlich <linux@...web.de>
To:     linux-mediatek@...ts.infradead.org
Cc:     Frank Wunderlich <frank-w@...lic-files.de>,
        Chaotian Jing <chaotian.jing@...iatek.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Wenbin Mei <wenbin.mei@...iatek.com>,
        linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 5/5] dt-bindings: mmc: mtk-sd: add mt7986

From: Frank Wunderlich <frank-w@...lic-files.de>

Add SoC specific section for defining clock configuration.

Add compatible in "not" section to avoid override the settings again.

Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
 .../devicetree/bindings/mmc/mtk-sd.yaml       | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
index c7bcf0c3dd5d..9df63c461f1f 100644
--- a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
+++ b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
@@ -229,6 +229,33 @@ allOf:
             - const: hclk
             - const: source_cg
             - const: bus_clk
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - mediatek,mt7986-mmc
+    then:
+      properties:
+        assigned-clock-parents:
+          maxItems: 2
+        assigned-clocks:
+          maxItems: 2
+        clocks:
+          minItems: 3
+          items:
+            - description: source clock
+            - description: HCLK which used for host
+            - description: independent source clock gate
+            - description: bus clock used for internal register access
+            - description: msdc subsys clock gate
+        clock-names:
+          minItems: 3
+          items:
+            - const: source
+            - const: hclk
+            - const: axi_cg
+            - const: ahb_cg
   - if:
       not:
         properties:
@@ -237,6 +264,7 @@ allOf:
               enum:
                 - mediatek,mt2712-mmc
                 - mediatek,mt8192-mmc
+                - mediatek,mt7986-mmc
     then:
       properties:
         clocks:
-- 
2.34.1