linux-kernel - [PATCH v2 2/2] dt-bindings: mmc: mtk-sd: add Inline Crypto Engine clock

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Date:   Fri, 4 Nov 2022 18:04:11 +0800
From:   Mengqi Zhang <mengqi.zhang@...iatek.com>
To:     <chaotian.jing@...iatek.com>, <ulf.hansson@...aro.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <matthias.bgg@...il.com>, <wenbin.mei@...iatek.com>,
        <angelogioacchino.delregno@...labora.com>
CC:     <linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Mengqi Zhang <mengqi.zhang@...iatek.com>
Subject: [PATCH v2 2/2] dt-bindings: mmc: mtk-sd: add Inline Crypto Engine clock

Add optional crypto clock of the Inline Crypto Engine of Mediatek SoCs.

Signed-off-by: Mengqi Zhang <mengqi.zhang@...iatek.com>
---
 .../devicetree/bindings/mmc/mtk-sd.yaml       | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
index 6f8ecb4788eb..8ed94a12a03b 100644
--- a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
+++ b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
@@ -263,6 +263,28 @@ allOf:
             - const: bus_clk
             - const: sys_cg
 
+  - if:
+      properties:
+        compatible:
+          enum:
+            - mediatek,mt8186-mmc
+            - mediatek,mt8188-mmc
+            - mediatek,mt8195-mmc
+    then:
+      properties:
+        clocks:
+          items:
+            - description: source clock
+            - description: HCLK which used for host
+            - description: independent source clock gate
+            - description: crypto clock used for data encrypt/decrypt (optional)
+        clock-names:
+          items:
+            - const: source
+            - const: hclk
+            - const: source_cg
+            - const: crypto
+
   - if:
       properties:
         compatible:
-- 
2.25.1