122 lines
3.0 KiB
YAML
122 lines
3.0 KiB
YAML
# 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 <drinkcat@chromium.org>
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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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aux-bus:
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$ref: /schemas/display/dp-aux-bus.yaml#
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ports:
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$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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aux-bus {
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panel {
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compatible = "boe,nv133fhm-n62";
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power-supply = <&pp3300_dx_edp>;
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backlight = <&backlight>;
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port {
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panel_in: endpoint {
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remote-endpoint = <&ps8640_out>;
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};
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};
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};
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};
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};
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};
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