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Diffstat (limited to 'Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml new file mode 100644 index 000000000000..23060324d16e --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml @@ -0,0 +1,180 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/cdns,dsi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence DSI bridge + +maintainers: + - Boris Brezillon <boris.brezillon@bootlin.com> + +description: | + CDNS DSI is a bridge device which converts DPI to DSI + +properties: + compatible: + enum: + - cdns,dsi + - ti,j721e-dsi + + reg: + minItems: 1 + items: + - description: + Register block for controller's registers. + - description: + Register block for wrapper settings registers in case of TI J7 SoCs. + + clocks: + items: + - description: PSM clock, used by the IP + - description: sys clock, used by the IP + + clock-names: + items: + - const: dsi_p_clk + - const: dsi_sys_clk + + phys: + maxItems: 1 + + phy-names: + const: dphy + + interrupts: + maxItems: 1 + + resets: + maxItems: 1 + + reset-names: + const: dsi_p_rst + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: + Output port representing the DSI output. It can have + at most 4 endpoints. The endpoint number is directly encoding + the DSI virtual channel used by this device. + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: + Input port representing the DPI input. + + required: + - port@1 + +allOf: + - $ref: ../dsi-controller.yaml# + + - if: + properties: + compatible: + contains: + const: ti,j721e-dsi + then: + properties: + reg: + minItems: 2 + maxItems: 2 + power-domains: + maxItems: 1 + else: + properties: + reg: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - phys + - phy-names + - ports + +unevaluatedProperties: false + +examples: + - | + bus { + #address-cells = <2>; + #size-cells = <2>; + + dsi@fd0c0000 { + compatible = "cdns,dsi"; + reg = <0x0 0xfd0c0000 0x0 0x1000>; + clocks = <&pclk>, <&sysclk>; + clock-names = "dsi_p_clk", "dsi_sys_clk"; + interrupts = <1>; + phys = <&dphy0>; + phy-names = "dphy"; + + #address-cells = <1>; + #size-cells = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@1 { + reg = <1>; + endpoint { + remote-endpoint = <&xxx_dpi_output>; + }; + }; + }; + + panel@0 { + compatible = "panasonic,vvx10f034n00"; + reg = <0>; + power-supply = <&vcc_lcd_reg>; + }; + }; + }; + + - | + bus { + #address-cells = <2>; + #size-cells = <2>; + + dsi@fd0c0000 { + compatible = "cdns,dsi"; + reg = <0x0 0xfd0c0000 0x0 0x1000>; + clocks = <&pclk>, <&sysclk>; + clock-names = "dsi_p_clk", "dsi_sys_clk"; + interrupts = <1>; + phys = <&dphy1>; + phy-names = "dphy"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + + endpoint@0 { + reg = <0>; + remote-endpoint = <&dsi_panel_input>; + }; + }; + + port@1 { + reg = <1>; + endpoint { + remote-endpoint = <&xxx_dpi_output>; + }; + }; + }; + }; + }; |