dt-bindings: display: bridge: Convert toshiba,tc358767.txt to yaml
Convert toshiba,tc358767.txt binding to yaml format Signed-off-by: Rahul T R <r-ravikumar@ti.com> Link: https://lore.kernel.org/r/20211028093656.25493-1-r-ravikumar@ti.com Signed-off-by: Rob Herring <robh@kernel.org>
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Rahul T R
Rob Herring
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commit
582c433eb9
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Toshiba TC358767 eDP bridge bindings
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Required properties:
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- compatible: "toshiba,tc358767"
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- reg: i2c address of the bridge, 0x68 or 0x0f, depending on bootstrap pins
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- clock-names: should be "ref"
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- clocks: OF device-tree clock specification for refclk input. The reference
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clock rate must be 13 MHz, 19.2 MHz, 26 MHz, or 38.4 MHz.
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Optional properties:
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- shutdown-gpios: OF device-tree gpio specification for SD pin
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(active high shutdown input)
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- reset-gpios: OF device-tree gpio specification for RSTX pin
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(active low system reset)
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- toshiba,hpd-pin: TC358767 GPIO pin number to which HPD is connected to (0 or 1)
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- ports: the ports node can contain video interface port nodes to connect
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to a DPI/DSI source and to an eDP/DP sink according to [1][2]:
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- port@0: DSI input port
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- port@1: DPI input port
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- port@2: eDP/DP output port
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[1]: Documentation/devicetree/bindings/graph.txt
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[2]: Documentation/devicetree/bindings/media/video-interfaces.txt
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Example:
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edp-bridge@68 {
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compatible = "toshiba,tc358767";
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reg = <0x68>;
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shutdown-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>;
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reset-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
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clock-names = "ref";
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clocks = <&edp_refclk>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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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 = <&dpi_out>;
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};
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};
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port@2 {
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reg = <2>;
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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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};
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@ -0,0 +1,158 @@
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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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$id: http://devicetree.org/schemas/display/bridge/toshiba,tc358767.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Toshiba TC358767 eDP bridge bindings
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maintainers:
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- Andrey Gusakov <andrey.gusakov@cogentembedded.com>
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description: The TC358767 is bridge device which converts DSI/DPI to eDP/DP
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properties:
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compatible:
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const: toshiba,tc358767
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reg:
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enum:
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- 0x68
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- 0x0f
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description: |
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i2c address of the bridge, 0x68 or 0x0f, depending on bootstrap pins
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clock-names:
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const: "ref"
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clocks:
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maxItems: 1
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description: |
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OF device-tree clock specification for refclk input. The reference.
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clock rate must be 13 MHz, 19.2 MHz, 26 MHz, or 38.4 MHz.
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shutdown-gpios:
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maxItems: 1
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description: |
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OF device-tree gpio specification for SD pin(active high shutdown input)
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reset-gpios:
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maxItems: 1
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description: |
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OF device-tree gpio specification for RSTX pin(active low system reset)
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toshiba,hpd-pin:
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$ref: /schemas/types.yaml#/definitions/uint32
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enum:
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- 0
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- 1
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description: TC358767 GPIO pin number to which HPD is connected to (0 or 1)
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ports:
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$ref: /schemas/graph.yaml#/properties/ports
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properties:
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port@0:
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$ref: /schemas/graph.yaml#/properties/port
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description: |
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DSI input port. The remote endpoint phandle should be a
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reference to a valid DSI output endpoint node
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port@1:
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$ref: /schemas/graph.yaml#/properties/port
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description: |
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DPI input port. The remote endpoint phandle should be a
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reference to a valid DPI output endpoint node
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port@2:
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$ref: /schemas/graph.yaml#/properties/port
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description: |
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eDP/DP output port. The remote endpoint phandle should be a
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reference to a valid eDP panel input endpoint node. This port is
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optional, treated as DP panel if not defined
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oneOf:
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- required:
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- port@0
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- required:
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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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- clock-names
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- clocks
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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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/* DPI input and eDP output */
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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edp-bridge@68 {
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compatible = "toshiba,tc358767";
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reg = <0x68>;
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shutdown-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>;
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reset-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
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clock-names = "ref";
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clocks = <&edp_refclk>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@1 {
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reg = <1>;
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bridge_in_0: endpoint {
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remote-endpoint = <&dpi_out>;
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};
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};
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port@2 {
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reg = <2>;
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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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};
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};
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- |
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/* DPI input and DP output */
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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edp-bridge@68 {
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compatible = "toshiba,tc358767";
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reg = <0x68>;
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shutdown-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>;
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reset-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>;
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clock-names = "ref";
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clocks = <&edp_refclk>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@1 {
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reg = <1>;
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bridge_in_1: endpoint {
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remote-endpoint = <&dpi_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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