# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/display/bridge/ite,it66121.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: ITE it66121 HDMI bridge maintainers: - Phong LE - Neil Armstrong description: | The IT66121 is a high-performance and low-power single channel HDMI transmitter, fully compliant with HDMI 1.3a, HDCP 1.2 and backward compatible to DVI 1.0 specifications. properties: compatible: enum: - ite,it66121 - ite,it6610 reg: maxItems: 1 reset-gpios: maxItems: 1 description: GPIO connected to active low reset vrf12-supply: description: Regulator for 1.2V analog core power. vcn33-supply: description: Regulator for 3.3V digital core power. vcn18-supply: description: Regulator for 1.8V IO core power. interrupts: maxItems: 1 "#sound-dai-cells": const: 0 ports: $ref: /schemas/graph.yaml#/properties/ports properties: port@0: $ref: /schemas/graph.yaml#/$defs/port-base unevaluatedProperties: false description: DPI input port. properties: endpoint: $ref: /schemas/graph.yaml#/$defs/endpoint-base unevaluatedProperties: false properties: bus-width: description: Endpoint bus width. enum: - 12 # 12 data lines connected and dual-edge mode - 24 # 24 data lines connected and single-edge mode default: 24 port@1: $ref: /schemas/graph.yaml#/properties/port description: HDMI Connector port. required: - port@0 - port@1 required: - compatible - reg - reset-gpios - vrf12-supply - vcn33-supply - vcn18-supply - interrupts - ports additionalProperties: false examples: - | #include #include i2c { #address-cells = <1>; #size-cells = <0>; it66121hdmitx: hdmitx@4c { compatible = "ite,it66121"; pinctrl-names = "default"; pinctrl-0 = <&ite_pins_default>; vcn33-supply = <&mt6358_vcn33_wifi_reg>; vcn18-supply = <&mt6358_vcn18_reg>; vrf12-supply = <&mt6358_vrf12_reg>; reset-gpios = <&pio 160 GPIO_ACTIVE_LOW>; interrupt-parent = <&pio>; interrupts = <4 IRQ_TYPE_LEVEL_LOW>; reg = <0x4c>; ports { #address-cells = <1>; #size-cells = <0>; port@0 { reg = <0>; it66121_in: endpoint { bus-width = <12>; remote-endpoint = <&display_out>; }; }; port@1 { reg = <1>; hdmi_conn_out: endpoint { remote-endpoint = <&hdmi_conn_in>; }; }; }; }; };