linux-kernel - [PATCH 07/18] dt-bindings: display: mediatek: dpi: add binding for MT8365

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Message-Id: <20231023-display-support-v1-7-5c860ed5c33b@baylibre.com>
Date:   Mon, 23 Oct 2023 16:40:07 +0200
From:   amergnat@...libre.com
To:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Jitao Shi <jitao.shi@...iatek.com>,
        Xinlei Lee <xinlei.lee@...iatek.com>,
        CK Hu <ck.hu@...iatek.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
Cc:     dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-pwm@...r.kernel.org,
        Alexandre Mergnat <amergnat@...libre.com>,
        Fabien Parent <fparent@...libre.com>
Subject: [PATCH 07/18] dt-bindings: display: mediatek: dpi: add binding for
 MT8365

From: Fabien Parent <fparent@...libre.com>

DPI for MT8365 is compatible with MT8192 but requires an additional
clock. Modify the documentation to requires this clock only on MT8365 SoCs.

Signed-off-by: Fabien Parent <fparent@...libre.com>
Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
---
 .../bindings/display/mediatek/mediatek,dpi.yaml       | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
index e126486e8eac..c86527c33acf 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
@@ -27,6 +27,7 @@ properties:
           - mediatek,mt8188-dp-intf
           - mediatek,mt8192-dpi
           - mediatek,mt8195-dp-intf
+          - mediatek,mt8365-dpi
       - items:
           - enum:
               - mediatek,mt6795-dpi
@@ -39,16 +40,20 @@ properties:
     maxItems: 1
 
   clocks:
+    minItems: 3
     items:
       - description: Pixel Clock
       - description: Engine Clock
       - description: DPI PLL
+      - description: DPI Clock
 
   clock-names:
+    minItems: 3
     items:
       - const: pixel
       - const: engine
       - const: pll
+      - const: dpi
 
   pinctrl-0: true
   pinctrl-1: true
@@ -77,6 +82,20 @@ required:
 
 additionalProperties: false
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: mediatek,mt8365-dpi
+
+    then:
+      properties:
+        clocks:
+          minItems: 4
+        clock-names:
+          minItems: 4
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/arm-gic.h>

-- 
2.25.1