xref: /openbmc/linux/Documentation/devicetree/bindings/display/bridge/sil,sii9234.yaml (revision 1ac731c529cd4d6adbce134754b51ff7d822b145)

# 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>

    i2c {
      #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>;
            };
          };
        };
      };
    };

...