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dt-bindings: display: bridge: Convert cdns,dsi.txt to yaml
Convert cdns,dsi.txt binding to yaml format Signed-off-by: Rahul T R <r-ravikumar@ti.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230103101951.10963-2-r-ravikumar@ti.com
This commit is contained in:
Rahul T R
committed by
Tomi Valkeinen
Tomi Valkeinen
parent
5f994ce5fd
commit
59b2deae2d
@@ -1,112 +0,0 @@
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Cadence DSI bridge
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==================
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The Cadence DSI bridge is a DPI to DSI bridge supporting up to 4 DSI lanes.
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Required properties:
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- compatible: should be set to "cdns,dsi".
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- reg: physical base address and length of the controller's registers.
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- interrupts: interrupt line connected to the DSI bridge.
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- clocks: DSI bridge clocks.
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- clock-names: must contain "dsi_p_clk" and "dsi_sys_clk".
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- phys: phandle link to the MIPI D-PHY controller.
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- phy-names: must contain "dphy".
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- #address-cells: must be set to 1.
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- #size-cells: must be set to 0.
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Optional properties:
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- resets: DSI reset lines.
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- reset-names: can contain "dsi_p_rst".
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Required subnodes:
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- ports: Ports as described in Documentation/devicetree/bindings/graph.txt.
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2 ports are available:
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* port 0: this port is only needed if some of your DSI devices are
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controlled through an external bus like I2C or SPI. Can have at
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most 4 endpoints. The endpoint number is directly encoding the
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DSI virtual channel used by this device.
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* port 1: represents the DPI input.
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Other ports will be added later to support the new kind of inputs.
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- one subnode per DSI device connected on the DSI bus. Each DSI device should
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contain a reg property encoding its virtual channel.
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Example:
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dsi0: dsi@fd0c0000 {
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compatible = "cdns,dsi";
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reg = <0x0 0xfd0c0000 0x0 0x1000>;
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clocks = <&pclk>, <&sysclk>;
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clock-names = "dsi_p_clk", "dsi_sys_clk";
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interrupts = <1>;
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phys = <&dphy0>;
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phy-names = "dphy";
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#address-cells = <1>;
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#size-cells = <0>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@1 {
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reg = <1>;
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dsi0_dpi_input: endpoint {
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remote-endpoint = <&xxx_dpi_output>;
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};
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};
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};
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panel: dsi-dev@0 {
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compatible = "<vendor,panel>";
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reg = <0>;
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};
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};
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or
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dsi0: dsi@fd0c0000 {
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compatible = "cdns,dsi";
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reg = <0x0 0xfd0c0000 0x0 0x1000>;
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clocks = <&pclk>, <&sysclk>;
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clock-names = "dsi_p_clk", "dsi_sys_clk";
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interrupts = <1>;
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phys = <&dphy1>;
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phy-names = "dphy";
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#address-cells = <1>;
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#size-cells = <0>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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#address-cells = <1>;
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#size-cells = <0>;
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dsi0_output: endpoint@0 {
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reg = <0>;
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remote-endpoint = <&dsi_panel_input>;
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};
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};
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port@1 {
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reg = <1>;
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dsi0_dpi_input: endpoint {
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remote-endpoint = <&xxx_dpi_output>;
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};
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};
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};
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};
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i2c@xxx {
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panel: panel@59 {
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compatible = "<vendor,panel>";
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reg = <0x59>;
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port {
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dsi_panel_input: endpoint {
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remote-endpoint = <&dsi0_output>;
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};
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};
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};
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};
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157
Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml
Normal file
157
Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml
Normal file
@@ -0,0 +1,157 @@
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/display/bridge/cdns,dsi.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Cadence DSI bridge
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maintainers:
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- Boris Brezillon <boris.brezillon@bootlin.com>
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description: |
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CDNS DSI is a bridge device which converts DPI to DSI
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properties:
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compatible:
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enum:
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- cdns,dsi
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reg:
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maxItems: 1
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clocks:
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items:
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- description: PSM clock, used by the IP
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- description: sys clock, used by the IP
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clock-names:
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items:
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- const: dsi_p_clk
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- const: dsi_sys_clk
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phys:
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maxItems: 1
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phy-names:
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const: dphy
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interrupts:
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maxItems: 1
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resets:
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maxItems: 1
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reset-names:
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const: dsi_p_rst
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ports:
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$ref: /schemas/graph.yaml#/properties/ports
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properties:
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port@0:
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$ref: /schemas/graph.yaml#/properties/port
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description:
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Output port representing the DSI output. It can have
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at most 4 endpoints. The endpoint number is directly encoding
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the DSI virtual channel used by this device.
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port@1:
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$ref: /schemas/graph.yaml#/properties/port
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description:
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Input port representing the DPI input.
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required:
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- port@1
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allOf:
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- $ref: ../dsi-controller.yaml#
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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- phys
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- phy-names
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- ports
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unevaluatedProperties: false
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examples:
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- |
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bus {
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#address-cells = <2>;
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#size-cells = <2>;
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dsi@fd0c0000 {
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compatible = "cdns,dsi";
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reg = <0x0 0xfd0c0000 0x0 0x1000>;
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clocks = <&pclk>, <&sysclk>;
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clock-names = "dsi_p_clk", "dsi_sys_clk";
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interrupts = <1>;
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phys = <&dphy0>;
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phy-names = "dphy";
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#address-cells = <1>;
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#size-cells = <0>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@1 {
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reg = <1>;
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endpoint {
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remote-endpoint = <&xxx_dpi_output>;
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};
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};
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};
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panel@0 {
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compatible = "panasonic,vvx10f034n00";
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reg = <0>;
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power-supply = <&vcc_lcd_reg>;
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};
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};
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};
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- |
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bus {
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#address-cells = <2>;
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#size-cells = <2>;
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dsi@fd0c0000 {
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compatible = "cdns,dsi";
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reg = <0x0 0xfd0c0000 0x0 0x1000>;
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clocks = <&pclk>, <&sysclk>;
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clock-names = "dsi_p_clk", "dsi_sys_clk";
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interrupts = <1>;
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phys = <&dphy1>;
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phy-names = "dphy";
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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#address-cells = <1>;
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#size-cells = <0>;
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endpoint@0 {
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reg = <0>;
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remote-endpoint = <&dsi_panel_input>;
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};
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};
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port@1 {
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reg = <1>;
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endpoint {
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remote-endpoint = <&xxx_dpi_output>;
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};
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};
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};
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};
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};
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