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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
dt-bindings: display: bridge: parade,ps8622: convert to dtschema
Convert the Parade PS8622/PS8625 DisplayPort to LVDS Converter bindings
to DT schema. Changes during conversion: add missing vdd12-supply, used
by Linux driver.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230221170955.62448-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
authored by
Krzysztof Kozlowski
and committed by
Rob Herring
844f5ed5
36b3ff49
+115
-31
+115
Documentation/devicetree/bindings/display/bridge/parade,ps8622.yaml
+115
Documentation/devicetree/bindings/display/bridge/parade,ps8622.yaml
···
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# 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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$id: http://devicetree.org/schemas/display/bridge/parade,ps8622.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Parade PS8622/PS8625 DisplayPort to LVDS Converter
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maintainers:
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- Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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properties:
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compatible:
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enum:
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- parade,ps8622
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- parade,ps8625
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reg:
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maxItems: 1
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lane-count:
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [1, 2]
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description: Number of DP lanes to use.
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use-external-pwm:
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type: boolean
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description: Backlight will be controlled by an external PWM.
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reset-gpios:
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maxItems: 1
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description: GPIO connected to RST_ pin.
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sleep-gpios:
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maxItems: 1
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description: GPIO connected to PD_ pin.
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vdd12-supply: true
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ports:
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$ref: /schemas/graph.yaml#/properties/ports
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properties:
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port@0:
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$ref: /schemas/graph.yaml#/properties/port
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description: Video port for LVDS output.
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port@1:
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$ref: /schemas/graph.yaml#/properties/port
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description: Video port for DisplayPort input.
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required:
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- port@0
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- port@1
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required:
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- compatible
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- reg
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- reset-gpios
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- sleep-gpios
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- ports
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allOf:
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- if:
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properties:
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compatible:
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const: parade,ps8622
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then:
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properties:
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lane-count:
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const: 1
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else:
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properties:
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lane-count:
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const: 2
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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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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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lvds-bridge@48 {
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compatible = "parade,ps8625";
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reg = <0x48>;
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sleep-gpios = <&gpx3 5 GPIO_ACTIVE_HIGH>;
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reset-gpios = <&gpy7 7 GPIO_ACTIVE_HIGH>;
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lane-count = <2>;
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use-external-pwm;
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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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bridge_out: endpoint {
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remote-endpoint = <&panel_in>;
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};
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};
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port@1 {
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reg = <1>;
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bridge_in: endpoint {
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remote-endpoint = <&dp_out>;
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};
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};
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};
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};
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};
-31
Documentation/devicetree/bindings/display/bridge/ps8622.txt
-31
Documentation/devicetree/bindings/display/bridge/ps8622.txt
···
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ps8622-bridge bindings
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Required properties:
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- compatible: "parade,ps8622" or "parade,ps8625"
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- reg: first i2c address of the bridge
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- sleep-gpios: OF device-tree gpio specification for PD_ pin.
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- reset-gpios: OF device-tree gpio specification for RST_ pin.
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-
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Optional properties:
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- lane-count: number of DP lanes to use
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- use-external-pwm: backlight will be controlled by an external PWM
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- video interfaces: Device node can contain video interface port
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nodes for panel according to [1].
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[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
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Example:
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lvds-bridge@48 {
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compatible = "parade,ps8622";
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reg = <0x48>;
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sleep-gpios = <&gpc3 6 1 0 0>;
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reset-gpios = <&gpc3 1 1 0 0>;
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lane-count = <1>;
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ports {
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port@0 {
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bridge_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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};