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106 lines
2.6 KiB
106 lines
2.6 KiB
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
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%YAML 1.2 |
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--- |
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$id: http://devicetree.org/schemas/display/bridge/ps8640.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: MIPI DSI to eDP Video Format Converter Device Tree Bindings |
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maintainers: |
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- Nicolas Boichat <[email protected]> |
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- Enric Balletbo i Serra <[email protected]> |
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description: | |
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The PS8640 is a low power MIPI-to-eDP video format converter supporting |
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mobile devices with embedded panel resolutions up to 2048 x 1536. The |
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device accepts a single channel of MIPI DSI v1.1, with up to four lanes |
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plus clock, at a transmission rate up to 1.5Gbit/sec per lane. The |
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device outputs eDP v1.4, one or two lanes, at a link rate of up to |
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3.24Gbit/sec per lane. |
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properties: |
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compatible: |
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const: parade,ps8640 |
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reg: |
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maxItems: 1 |
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description: Base I2C address of the device. |
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powerdown-gpios: |
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maxItems: 1 |
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description: GPIO connected to active low powerdown. |
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reset-gpios: |
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maxItems: 1 |
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description: GPIO connected to active low reset. |
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vdd12-supply: |
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description: Regulator for 1.2V digital core power. |
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vdd33-supply: |
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description: Regulator for 3.3V digital core power. |
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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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Video port for DSI input |
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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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Video port for eDP output (panel or connector). |
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required: |
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- port@0 |
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required: |
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- compatible |
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- reg |
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- powerdown-gpios |
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- reset-gpios |
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- vdd12-supply |
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- vdd33-supply |
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- ports |
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additionalProperties: false |
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examples: |
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- | |
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#include <dt-bindings/gpio/gpio.h> |
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i2c0 { |
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#address-cells = <1>; |
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#size-cells = <0>; |
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ps8640: edp-bridge@18 { |
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compatible = "parade,ps8640"; |
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reg = <0x18>; |
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powerdown-gpios = <&pio 116 GPIO_ACTIVE_LOW>; |
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reset-gpios = <&pio 115 GPIO_ACTIVE_LOW>; |
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vdd12-supply = <&ps8640_fixed_1v2>; |
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vdd33-supply = <&mt6397_vgp2_reg>; |
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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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ps8640_in: endpoint { |
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remote-endpoint = <&dsi0_out>; |
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}; |
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}; |
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port@1 { |
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reg = <1>; |
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ps8640_out: endpoint { |
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remote-endpoint = <&panel_in>; |
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}; |
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}; |
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}; |
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}; |
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}; |
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