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Date:   Mon, 4 Dec 2023 18:39:03 +0100
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From:   Johan Jonker <jbx6244@gmail.com>
Subject: [PATCH v1 1/3] dt-bindings: drm: rockchip: convert
 inno_hdmi-rockchip.txt to yaml
To:     heiko@sntech.de, hjc@rock-chips.com
Cc:     maarten.lankhorst@linux.intel.com, mripard@kernel.org,
        tzimmermann@suse.de, airlied@gmail.com, daniel@ffwll.ch,
        robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        conor+dt@kernel.org, dri-devel@lists.freedesktop.org,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
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Convert inno_hdmi-rockchip.txt to yaml.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
---

Note for rob+dt:
  Used enum to "soon" be able to add "rockchip,rk3128-inno-hdmi"

Changed V1:
  Rename file to more common layout
  Add/fix hdmi_out port example
---
 .../display/rockchip/inno_hdmi-rockchip.txt   |  49 ---------
 .../display/rockchip/rockchip,inno-hdmi.yaml  | 103 ++++++++++++++++++
 2 files changed, 103 insertions(+), 49 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt
 create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip,inno-hdmi.yaml

diff --git a/Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt
deleted file mode 100644
index cec21714f0e0..000000000000
--- a/Documentation/devicetree/bindings/display/rockchip/inno_hdmi-rockchip.txt
+++ /dev/null
@@ -1,49 +0,0 @@
-Rockchip specific extensions to the Innosilicon HDMI
-================================
-
-Required properties:
-- compatible:
-	"rockchip,rk3036-inno-hdmi";
-- reg:
-	Physical base address and length of the controller's registers.
-- clocks, clock-names:
-	Phandle to hdmi controller clock, name should be "pclk"
-- interrupts:
-	HDMI interrupt number
-- ports:
-	Contain one port node with endpoint definitions as defined in
-	Documentation/devicetree/bindings/graph.txt.
-- pinctrl-0, pinctrl-name:
-	Switch the iomux of HPD/CEC pins to HDMI function.
-
-Example:
-hdmi: hdmi@20034000 {
-	compatible = "rockchip,rk3036-inno-hdmi";
-	reg = <0x20034000 0x4000>;
-	interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
-	clocks = <&cru  PCLK_HDMI>;
-	clock-names = "pclk";
-	pinctrl-names = "default";
-	pinctrl-0 = <&hdmi_ctl>;
-
-	hdmi_in: port {
-		#address-cells = <1>;
-		#size-cells = <0>;
-		hdmi_in_lcdc: endpoint@0 {
-			reg = <0>;
-			remote-endpoint = <&lcdc_out_hdmi>;
-		};
-	};
-};
-
-&pinctrl {
-	hdmi {
-		hdmi_ctl: hdmi-ctl {
-			rockchip,pins = <1 8  RK_FUNC_1 &pcfg_pull_none>,
-					<1 9  RK_FUNC_1 &pcfg_pull_none>,
-					<1 10 RK_FUNC_1 &pcfg_pull_none>,
-					<1 11 RK_FUNC_1 &pcfg_pull_none>;
-		};
-	};
-
-};
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,inno-hdmi.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,inno-hdmi.yaml
new file mode 100644
index 000000000000..96889c86849a
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,inno-hdmi.yaml
@@ -0,0 +1,103 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/rockchip/rockchip,inno-hdmi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip Innosilicon HDMI controller
+
+maintainers:
+  - Sandy Huang <hjc@rock-chips.com>
+  - Heiko Stuebner <heiko@sntech.de>
+
+properties:
+  compatible:
+    enum:
+      - rockchip,rk3036-inno-hdmi
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: pclk
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    properties:
+      port@0:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          Port node with one endpoint connected to a vop node.
+
+      port@1:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          Port node with one endpoint connected to a hdmi-connector node.
+
+    required:
+      - port@0
+      - port@1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - pinctrl-0
+  - pinctrl-names
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/rk3036-cru.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/pinctrl/rockchip.h>
+    hdmi: hdmi@20034000 {
+      compatible = "rockchip,rk3036-inno-hdmi";
+      reg = <0x20034000 0x4000>;
+      interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
+      clocks = <&cru  PCLK_HDMI>;
+      clock-names = "pclk";
+      pinctrl-names = "default";
+      pinctrl-0 = <&hdmi_ctl>;
+
+      ports {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        hdmi_in: port@0 {
+          reg = <0>;
+          hdmi_in_vop: endpoint {
+            remote-endpoint = <&vop_out_hdmi>;
+          };
+        };
+
+        hdmi_out: port@1 {
+          reg = <1>;
+          hdmi_out_con: endpoint {
+            remote-endpoint = <&hdmi_con_in>;
+          };
+        };
+      };
+    };
+
+    pinctrl {
+      hdmi {
+        hdmi_ctl: hdmi-ctl {
+          rockchip,pins = <1 RK_PB0 1 &pcfg_pull_none>,
+                          <1 RK_PB1 1 &pcfg_pull_none>,
+                          <1 RK_PB2 1 &pcfg_pull_none>,
+                          <1 RK_PB3 1 &pcfg_pull_none>;
+        };
+      };
+    };
--
2.39.2