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From:   Guillaume Ranquet <granquet@baylibre.com>
Date:   Fri, 14 Oct 2022 17:15:55 +0200
Subject: [PATCH v2 02/12] dt-bindings: display: mediatek: add MT8195 hdmi bindings
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To:     Chunfeng Yun <chunfeng.yun@mediatek.com>,
        David Airlie <airlied@gmail.com>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        Jitao shi <jitao.shi@mediatek.com>, CK Hu <ck.hu@mediatek.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Vinod Koul <vkoul@kernel.org>,
        Kishon Vijay Abraham I <kishon@ti.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Chun-Kuang Hu <chunkuang.hu@kernel.org>
Cc:     Guillaume Ranquet <granquet@baylibre.com>, stuart.lee@mediatek.com,
        linux-phy@lists.infradead.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        linux-kernel@vger.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        mac.shen@mediatek.com, linux-mediatek@lists.infradead.org,
        dri-devel@lists.freedesktop.org
Precedence: bulk

Add mt8195 SoC bindings for hdmi and hdmi-ddc

Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>
---
 .../bindings/display/mediatek/mediatek,hdmi.yaml   | 67 +++++++++++++++++-----
 .../display/mediatek/mediatek,mt8195-hdmi-ddc.yaml | 51 ++++++++++++++++
 2 files changed, 104 insertions(+), 14 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi.yaml
index bdaf0b51e68c..955026cd7ca5 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi.yaml
@@ -21,26 +21,21 @@ properties:
       - mediatek,mt7623-hdmi
       - mediatek,mt8167-hdmi
       - mediatek,mt8173-hdmi
+      - mediatek,mt8195-hdmi
 
   reg:
     maxItems: 1
 
-  interrupts:
-    maxItems: 1
-
   clocks:
-    items:
-      - description: Pixel Clock
-      - description: HDMI PLL
-      - description: Bit Clock
-      - description: S/PDIF Clock
+    minItems: 4
+    maxItems: 4
 
   clock-names:
-    items:
-      - const: pixel
-      - const: pll
-      - const: bclk
-      - const: spdif
+    minItems: 4
+    maxItems: 4
+
+  interrupts:
+    maxItems: 1
 
   phys:
     maxItems: 1
@@ -58,6 +53,9 @@ properties:
     description: |
       phandle link and register offset to the system configuration registers.
 
+  power-domains:
+    maxItems: 1
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
 
@@ -86,9 +84,50 @@ required:
   - clock-names
   - phys
   - phy-names
-  - mediatek,syscon-hdmi
   - ports
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: mediatek,mt8195-hdmi
+    then:
+      properties:
+        clocks:
+          items:
+            - description: APB
+            - description: HDCP
+            - description: HDCP 24M
+            - description: Split HDMI
+        clock-names:
+          items:
+            - const: hdmi_apb_sel
+            - const: hdcp_sel
+            - const: hdcp24_sel
+            - const: split_hdmi
+
+      required:
+        - power-domains
+    else:
+      properties:
+        clocks:
+          items:
+            - description: Pixel Clock
+            - description: HDMI PLL
+            - description: Bit Clock
+            - description: S/PDIF Clock
+
+        clock-names:
+          items:
+            - const: pixel
+            - const: pll
+            - const: bclk
+            - const: spdif
+
+      required:
+        - mediatek,syscon-hdmi
+
 additionalProperties: false
 
 examples:
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml
new file mode 100644
index 000000000000..0fe0a2a2f17f
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek HDMI DDC for mt8195
+
+maintainers:
+  - CK Hu <ck.hu@mediatek.com>
+  - Jitao shi <jitao.shi@mediatek.com>
+
+description: |
+  The HDMI DDC i2c controller is used to interface with the HDMI DDC pins.
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt8195-hdmi-ddc
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: ddc
+
+  mediatek,hdmi:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      A phandle to the mt8195 hdmi controller
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    hdmiddc0: ddc_i2c {
+      compatible = "mediatek,mt8195-hdmi-ddc";
+      mediatek,hdmi = <&hdmi0>;
+      clocks = <&clk26m>;
+      clock-names = "ddc";
+    };
+
+...

-- 
b4 0.11.0-dev