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Date:   Wed, 21 Dec 2022 19:22:54 +0100
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From:   Johan Jonker <jbx6244@gmail.com>
Subject: [PATCH v5 04/12] dt-bindings: display: rockchip: convert
 dw_mipi_dsi_rockchip.txt to yaml
To:     heiko@sntech.de
Cc:     hjc@rock-chips.com, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, gregkh@linuxfoundation.org,
        airlied@gmail.com, daniel@ffwll.ch, andrzej.hajda@intel.com,
        neil.armstrong@linaro.org, robert.foss@linaro.org,
        Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se,
        jernej.skrabec@gmail.com, philippe.cornu@foss.st.com,
        dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-rockchip@lists.infradead.org, linux-usb@vger.kernel.org
References: <7f883643-c796-029f-ba38-73532325632d@gmail.com>
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Convert dw_mipi_dsi_rockchip.txt to yaml.

Changed:
  add clock-master property
  file name
  requirements

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
---
 .../display/rockchip/dw_mipi_dsi_rockchip.txt |  94 ----------
 .../rockchip/rockchip,dw-mipi-dsi.yaml        | 173 ++++++++++++++++++
 2 files changed, 173 insertions(+), 94 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt
 create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip,dw-mipi-dsi.yaml

diff --git a/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt
deleted file mode 100644
index 9a223df85..000000000
--- a/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt
+++ /dev/null
@@ -1,94 +0,0 @@
-Rockchip specific extensions to the Synopsys Designware MIPI DSI
-================================
-
-Required properties:
-- #address-cells: Should be <1>.
-- #size-cells: Should be <0>.
-- compatible: one of
-	"rockchip,px30-mipi-dsi", "snps,dw-mipi-dsi"
-	"rockchip,rk3288-mipi-dsi", "snps,dw-mipi-dsi"
-	"rockchip,rk3399-mipi-dsi", "snps,dw-mipi-dsi"
-	"rockchip,rk3568-mipi-dsi", "snps,dw-mipi-dsi"
-- reg: Represent the physical address range of the controller.
-- interrupts: Represent the controller's interrupt to the CPU(s).
-- clocks, clock-names: Phandles to the controller's pll reference
-  clock(ref) when using an internal dphy and APB clock(pclk).
-  For RK3399, a phy config clock (phy_cfg) and a grf clock(grf)
-  are required. As described in [1].
-- rockchip,grf: this soc should set GRF regs to mux vopl/vopb.
-- ports: contain a port node with endpoint definitions as defined in [2].
-  For vopb,set the reg = <0> and set the reg = <1> for vopl.
-- video port 0 for the VOP input, the remote endpoint maybe vopb or vopl
-- video port 1 for either a panel or subsequent encoder
-
-Optional properties:
-- phys: from general PHY binding: the phandle for the PHY device.
-- phy-names: Should be "dphy" if phys references an external phy.
-- #phy-cells: Defined when used as ISP phy, should be 0.
-- power-domains: a phandle to mipi dsi power domain node.
-- resets: list of phandle + reset specifier pairs, as described in [3].
-- reset-names: string reset name, must be "apb".
-
-[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
-[2] Documentation/devicetree/bindings/media/video-interfaces.txt
-[3] Documentation/devicetree/bindings/reset/reset.txt
-
-Example:
-	mipi_dsi: mipi@ff960000 {
-		#address-cells = <1>;
-		#size-cells = <0>;
-		compatible = "rockchip,rk3288-mipi-dsi", "snps,dw-mipi-dsi";
-		reg = <0xff960000 0x4000>;
-		interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&cru SCLK_MIPI_24M>, <&cru PCLK_MIPI_DSI0>;
-		clock-names = "ref", "pclk";
-		resets = <&cru SRST_MIPIDSI0>;
-		reset-names = "apb";
-		rockchip,grf = <&grf>;
-
-		ports {
-			#address-cells = <1>;
-			#size-cells = <0>;
-
-			mipi_in: port@0 {
-				reg = <0>;
-				#address-cells = <1>;
-				#size-cells = <0>;
-
-				mipi_in_vopb: endpoint@0 {
-					reg = <0>;
-					remote-endpoint = <&vopb_out_mipi>;
-				};
-				mipi_in_vopl: endpoint@1 {
-					reg = <1>;
-					remote-endpoint = <&vopl_out_mipi>;
-				};
-			};
-
-			mipi_out: port@1 {
-				reg = <1>;
-				#address-cells = <1>;
-				#size-cells = <0>;
-
-				mipi_out_panel: endpoint {
-					remote-endpoint = <&panel_in_mipi>;
-				};
-			};
-		};
-
-		panel {
-			compatible ="boe,tv080wum-nl0";
-			reg = <0>;
-
-			enable-gpios = <&gpio7 3 GPIO_ACTIVE_HIGH>;
-			pinctrl-names = "default";
-			pinctrl-0 = <&lcd_en>;
-			backlight = <&backlight>;
-
-			port {
-				panel_in_mipi: endpoint {
-					remote-endpoint = <&mipi_out_panel>;
-				};
-			};
-		};
-	};
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-mipi-dsi.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-mipi-dsi.yaml
new file mode 100644
index 000000000..441e283b8
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-mipi-dsi.yaml
@@ -0,0 +1,173 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/rockchip/rockchip,dw-mipi-dsi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip specific extensions to the Synopsys Designware MIPI DSI
+
+maintainers:
+  - Sandy Huang <hjc@rock-chips.com>
+  - Heiko Stuebner <heiko@sntech.de>
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - rockchip,px30-mipi-dsi
+          - rockchip,rk3288-mipi-dsi
+          - rockchip,rk3399-mipi-dsi
+          - rockchip,rk3568-mipi-dsi
+      - const: snps,dw-mipi-dsi
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+    maxItems: 4
+
+  clock-names:
+    oneOf:
+      - minItems: 2
+        items:
+          - const: ref
+          - const: pclk
+          - const: phy_cfg
+          - const: grf
+      - const: pclk
+
+  clock-master:
+    type: boolean
+    description:
+      As described in the general dual-dsi devicetree binding the panel should
+      define two input ports and point each of them to one of the used
+      dsi-controllers, as well as declare one of them as clock-master.
+
+  rockchip,grf:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      This SoC uses GRF regs to switch between vopl/vopb.
+
+  phys:
+    maxItems: 1
+
+  phy-names:
+    const: dphy
+
+  "#phy-cells":
+    const: 0
+    description:
+      Defined when in use as ISP phy.
+
+  power-domains:
+    maxItems: 1
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+  - rockchip,grf
+
+allOf:
+  - $ref: ../bridge/snps,dw-mipi-dsi.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - rockchip,px30-mipi-dsi
+              - rockchip,rk3568-mipi-dsi
+
+    then:
+      properties:
+        clocks:
+          maxItems: 1
+
+        clock-names:
+          maxItems: 1
+
+      required:
+        - phys
+        - phy-names
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: rockchip,rk3288-mipi-dsi
+
+    then:
+      properties:
+        clocks:
+          maxItems: 2
+
+        clock-names:
+          maxItems: 2
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: rockchip,rk3399-mipi-dsi
+
+    then:
+      properties:
+        clocks:
+          minItems: 4
+
+        clock-names:
+          minItems: 4
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/rk3288-cru.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    mipi_dsi: dsi@ff960000 {
+      compatible = "rockchip,rk3288-mipi-dsi", "snps,dw-mipi-dsi";
+      reg = <0xff960000 0x4000>;
+      interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+      clocks = <&cru SCLK_MIPIDSI_24M>, <&cru PCLK_MIPI_DSI0>;
+      clock-names = "ref", "pclk";
+      resets = <&cru SRST_MIPIDSI0>;
+      reset-names = "apb";
+      rockchip,grf = <&grf>;
+
+      ports {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        mipi_in: port@0 {
+          reg = <0>;
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          mipi_in_vopb: endpoint@0 {
+            reg = <0>;
+            remote-endpoint = <&vopb_out_mipi>;
+          };
+          mipi_in_vopl: endpoint@1 {
+            reg = <1>;
+            remote-endpoint = <&vopl_out_mipi>;
+          };
+        };
+
+        mipi_out: port@1 {
+          reg = <1>;
+
+          mipi_out_panel: endpoint {
+            remote-endpoint = <&panel_in_mipi>;
+          };
+        };
+      };
+    };
--
2.20.1