Commit c9a9dc49 authored by AngeloGioacchino Del Regno's avatar AngeloGioacchino Del Regno Committed by Sam Ravnborg
Browse files

dt-bindings: display/bridge: sil, sii9234: Convert to YAML binding 



Convert the Silicon Image SiI9234 HDMI/MHL bridge documentation to YAML.

Signed-off-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211006152158.601856-1-angelogioacchino.delregno@collabora.com
parent cc83ff24

Documentation/devicetree/bindings/display/bridge/sii9234.txt

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Silicon Image SiI9234 HDMI/MHL bridge bindings



Required properties:

	- compatible : "sil,sii9234".

	- reg : I2C address for TPI interface, use 0x39

	- avcc33-supply : MHL/USB Switch Supply Voltage (3.3V)

	- iovcc18-supply : I/O Supply Voltage (1.8V)

	- avcc12-supply : TMDS Analog Supply Voltage (1.2V)

	- cvcc12-supply : Digital Core Supply Voltage (1.2V)

	- interrupts: interrupt specifier of INT pin

	- reset-gpios: gpio specifier of RESET pin (active low)

	- video interfaces: Device node can contain two video interface port

			    nodes for HDMI encoder and connector according to [1].

			    - port@0 - MHL to HDMI

			    - port@1 - MHL to connector



[1]: Documentation/devicetree/bindings/media/video-interfaces.txt





Example:

	sii9234@39 {

		compatible = "sil,sii9234";

		reg = <0x39>;

		avcc33-supply = <&vcc33mhl>;

		iovcc18-supply = <&vcc18mhl>;

		avcc12-supply = <&vsil12>;

		cvcc12-supply = <&vsil12>;

		reset-gpios = <&gpf3 4 GPIO_ACTIVE_LOW>;

		interrupt-parent = <&gpf3>;

		interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;



		ports {

			#address-cells = <1>;

			#size-cells = <0>;



			port@0 {

				reg = <0>;

				mhl_to_hdmi: endpoint {

					remote-endpoint = <&hdmi_to_mhl>;

				};

			};

			port@1 {

				reg = <1>;

				mhl_to_connector: endpoint {

					remote-endpoint = <&connector_to_mhl>;

				};

			};

		};

	};

Documentation/devicetree/bindings/display/bridge/sil,sii9234.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/display/bridge/sil,sii9234.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Silicon Image SiI9234 HDMI/MHL bridge



maintainers:

  - Maciej Purski <m.purski@samsung.com>



properties:

  compatible:

    const: sil,sii9234



  reg:

    description: I2C address for TPI interface

    maxItems: 1



  avcc12-supply:

    description: TMDS Analog Supply Voltage, 1.2V



  avcc33-supply:

    description: MHL/USB Switch Supply Voltage, 3.3V



  cvcc12-supply:

    description: Digital Core Supply Voltage, 1.2V



  iovcc18-supply:

    description: I/O voltage supply, 1.8V



  interrupts:

    maxItems: 1



  reset-gpios:

    description: GPIO connected to the reset pin.

    maxItems: 1



  ports:

    $ref: /schemas/graph.yaml#/properties/ports



    properties:

      port@0:

        $ref: /schemas/graph.yaml#/properties/port

        description:

          Video port for HDMI (encoder) input



      port@1:

        $ref: /schemas/graph.yaml#/properties/port

        description:

          MHL to connector port



    required:

      - port@0



required:

  - compatible

  - reg

  - avcc12-supply

  - avcc33-supply

  - cvcc12-supply

  - iovcc18-supply

  - interrupts

  - reset-gpios

  - ports



additionalProperties: false



examples:

  - |

    #include <dt-bindings/gpio/gpio.h>

    #include <dt-bindings/interrupt-controller/irq.h>



    i2c1 {

      #address-cells = <1>;

      #size-cells = <0>;



      bridge@39 {

        compatible = "sil,sii9234";

        reg = <0x39>;

        avcc12-supply = <&vsil12>;

        avcc33-supply = <&vcc33mhl>;

        cvcc12-supply = <&vsil12>;

        iovcc18-supply = <&vcc18mhl>;

        interrupt-parent = <&gpf3>;

        interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;

        reset-gpios = <&gpf3 4 GPIO_ACTIVE_LOW>;



        ports {

          #address-cells = <1>;

          #size-cells = <0>;



          port@0 {

            reg = <0>;

            mhl_to_hdmi: endpoint {

              remote-endpoint = <&hdmi_to_mhl>;

            };

          };



          port@1 {

            reg = <1>;

            mhl_to_connector: endpoint {

              remote-endpoint = <&connector_to_mhl>;

            };

          };

        };

      };

    };



...