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Diffstat (limited to 'Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml')
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1 files changed, 174 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml new file mode 100644 index 000000000..ed280053e --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml @@ -0,0 +1,174 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/toshiba,tc358767.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Toshiba TC358767 eDP bridge bindings + +maintainers: + - Andrey Gusakov <andrey.gusakov@cogentembedded.com> + +description: The TC358767 is bridge device which converts DSI/DPI to eDP/DP + +properties: + compatible: + const: toshiba,tc358767 + + reg: + enum: + - 0x68 + - 0x0f + description: | + i2c address of the bridge, 0x68 or 0x0f, depending on bootstrap pins + + clock-names: + const: "ref" + + clocks: + maxItems: 1 + description: | + OF device-tree clock specification for refclk input. The reference. + clock rate must be 13 MHz, 19.2 MHz, 26 MHz, or 38.4 MHz. + + shutdown-gpios: + maxItems: 1 + description: | + OF device-tree gpio specification for SD pin(active high shutdown input) + + reset-gpios: + maxItems: 1 + description: | + OF device-tree gpio specification for RSTX pin(active low system reset) + + toshiba,hpd-pin: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: + - 0 + - 1 + description: TC358767 GPIO pin number to which HPD is connected to (0 or 1) + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: | + DSI input port. The remote endpoint phandle should be a + reference to a valid DSI output endpoint node + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + description: array of physical DSI data lane indexes. + minItems: 1 + items: + - const: 1 + - const: 2 + - const: 3 + - const: 4 + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: | + DPI input/output port. The remote endpoint phandle should be a + reference to a valid DPI output or input endpoint node. + + port@2: + $ref: /schemas/graph.yaml#/properties/port + description: | + eDP/DP output port. The remote endpoint phandle should be a + reference to a valid eDP panel input endpoint node. This port is + optional, treated as DP panel if not defined + + oneOf: + - required: + - port@0 + - required: + - port@1 + + +required: + - compatible + - reg + - clock-names + - clocks + - ports + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + /* DPI input and eDP output */ + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + edp-bridge@68 { + compatible = "toshiba,tc358767"; + reg = <0x68>; + shutdown-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>; + clock-names = "ref"; + clocks = <&edp_refclk>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@1 { + reg = <1>; + + bridge_in_0: endpoint { + remote-endpoint = <&dpi_out>; + }; + }; + + port@2 { + reg = <2>; + + bridge_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + }; + }; + }; + - | + /* DPI input and DP output */ + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + edp-bridge@68 { + compatible = "toshiba,tc358767"; + reg = <0x68>; + shutdown-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>; + clock-names = "ref"; + clocks = <&edp_refclk>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@1 { + reg = <1>; + + bridge_in_1: endpoint { + remote-endpoint = <&dpi_out>; + }; + }; + }; + }; + }; |