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| -rw-r--r-- | Documentation/devicetree/bindings/display/bridge/solomon,ssd2825.yaml | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/bridge/solomon,ssd2825.yaml b/Documentation/devicetree/bindings/display/bridge/solomon,ssd2825.yaml new file mode 100644 index 000000000000..e2d293d623b8 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/solomon,ssd2825.yaml @@ -0,0 +1,141 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/solomon,ssd2825.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Solomon SSD2825 RGB to MIPI-DSI bridge + +maintainers: + - Svyatoslav Ryhel <clamor95@gmail.com> + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + const: solomon,ssd2825 + + reg: + maxItems: 1 + + reset-gpios: true + + dvdd-supply: + description: Regulator for 1.2V digital power supply. + + avdd-supply: + description: Regulator for 1.2V analog power supply. + + vddio-supply: + description: Regulator for 1.8V IO power supply. + + spi-max-frequency: + maximum: 1000000 + + spi-cpha: true + spi-cpol: true + + clocks: + maxItems: 1 + description: Reference TX_CLK used before PLL is locked. + + solomon,hs-zero-delay-ns: + description: + HS zero delay period + minimum: 0 + maximum: 1700 + default: 133 + + solomon,hs-prep-delay-ns: + description: + HS prep delay period + minimum: 0 + maximum: 1728 + default: 40 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: + Video port for RGB input + + properties: + endpoint: + $ref: /schemas/graph.yaml#/$defs/endpoint-base + unevaluatedProperties: false + + properties: + bus-width: + enum: [ 16, 18, 24 ] + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: + Video port for DSI output (panel or connector) + + required: + - port@0 + - port@1 + +required: + - compatible + - ports + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + dsi@2 { + compatible = "solomon,ssd2825"; + reg = <2>; + + spi-max-frequency = <1000000>; + + spi-cpha; + spi-cpol; + + reset-gpios = <&gpio 114 GPIO_ACTIVE_LOW>; + + dvdd-supply = <&vdd_1v2>; + avdd-supply = <&vdd_1v2>; + vddio-supply = <&vdd_1v8_io>; + + solomon,hs-zero-delay-ns = <300>; + solomon,hs-prep-delay-ns = <65>; + + clocks = <&ssd2825_tx_clk>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + bridge_input: endpoint { + remote-endpoint = <&dpi_output>; + bus-width = <24>; + }; + }; + + port@1 { + reg = <1>; + + bridge_output: endpoint { + remote-endpoint = <&panel_input>; + }; + }; + }; + }; + }; |