projects / people / ms / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b7745a16 PL |
1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 | |
| 3 | --- | |
| 4 | $id: http://devicetree.org/schemas/display/bridge/ite,it66121.yaml# | |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# | |
| 6 | ||
| 7 | title: ITE it66121 HDMI bridge Device Tree Bindings | |
| 8 | ||
| 9 | maintainers: | |
| 10 | - Phong LE <ple@baylibre.com> | |
| c6a43fb3 | 11 | - Neil Armstrong <neil.armstrong@linaro.org> |
| b7745a16 PL |
12 | |
| 13 | description: | | |
| 14 | The IT66121 is a high-performance and low-power single channel HDMI | |
| 15 | transmitter, fully compliant with HDMI 1.3a, HDCP 1.2 and backward compatible | |
| 16 | to DVI 1.0 specifications. | |
| 17 | ||
| 18 | properties: | |
| 19 | compatible: | |
| 20 | const: ite,it66121 | |
| 21 | ||
| 22 | reg: | |
| 23 | maxItems: 1 | |
| 24 | ||
| 25 | reset-gpios: | |
| 26 | maxItems: 1 | |
| 27 | description: GPIO connected to active low reset | |
| 28 | ||
| 29 | vrf12-supply: | |
| 30 | description: Regulator for 1.2V analog core power. | |
| 31 | ||
| 32 | vcn33-supply: | |
| 33 | description: Regulator for 3.3V digital core power. | |
| 34 | ||
| 35 | vcn18-supply: | |
| 36 | description: Regulator for 1.8V IO core power. | |
| 37 | ||
| 38 | interrupts: | |
| 39 | maxItems: 1 | |
| 40 | ||
| cc2f2df4 NB |
41 | "#sound-dai-cells": |
| 42 | const: 0 | |
| 43 | ||
| b7745a16 PL |
44 | ports: |
| 45 | $ref: /schemas/graph.yaml#/properties/ports | |
| 46 | ||
| 47 | properties: | |
| 48 | port@0: | |
| 49 | $ref: /schemas/graph.yaml#/$defs/port-base | |
| 50 | unevaluatedProperties: false | |
| 51 | description: DPI input port. | |
| 52 | ||
| 53 | properties: | |
| 54 | endpoint: | |
| 55 | $ref: /schemas/graph.yaml#/$defs/endpoint-base | |
| 56 | unevaluatedProperties: false | |
| 57 | ||
| 58 | properties: | |
| 59 | bus-width: | |
| 60 | description: | |
| 61 | Endpoint bus width. | |
| 62 | enum: | |
| 63 | - 12 # 12 data lines connected and dual-edge mode | |
| 64 | - 24 # 24 data lines connected and single-edge mode | |
| 65 | default: 24 | |
| 66 | ||
| 67 | port@1: | |
| 68 | $ref: /schemas/graph.yaml#/properties/port | |
| 69 | description: HDMI Connector port. | |
| 70 | ||
| 71 | required: | |
| 72 | - port@0 | |
| 73 | - port@1 | |
| 74 | ||
| 75 | required: | |
| 76 | - compatible | |
| 77 | - reg | |
| 78 | - reset-gpios | |
| 79 | - vrf12-supply | |
| 80 | - vcn33-supply | |
| 81 | - vcn18-supply | |
| 82 | - interrupts | |
| 83 | - ports | |
| 84 | ||
| 85 | additionalProperties: false | |
| 86 | ||
| 87 | examples: | |
| 88 | - | | |
| 89 | #include <dt-bindings/interrupt-controller/irq.h> | |
| 90 | #include <dt-bindings/gpio/gpio.h> | |
| 91 | i2c { | |
| 92 | #address-cells = <1>; | |
| 93 | #size-cells = <0>; | |
| 94 | ||
| 95 | it66121hdmitx: hdmitx@4c { | |
| 96 | compatible = "ite,it66121"; | |
| 97 | pinctrl-names = "default"; | |
| 98 | pinctrl-0 = <&ite_pins_default>; | |
| 99 | vcn33-supply = <&mt6358_vcn33_wifi_reg>; | |
| 100 | vcn18-supply = <&mt6358_vcn18_reg>; | |
| 101 | vrf12-supply = <&mt6358_vrf12_reg>; | |
| 102 | reset-gpios = <&pio 160 GPIO_ACTIVE_LOW>; | |
| 103 | interrupt-parent = <&pio>; | |
| 104 | interrupts = <4 IRQ_TYPE_LEVEL_LOW>; | |
| 105 | reg = <0x4c>; | |
| 106 | ||
| 107 | ports { | |
| 108 | #address-cells = <1>; | |
| 109 | #size-cells = <0>; | |
| 110 | ||
| 111 | port@0 { | |
| 112 | reg = <0>; | |
| 113 | it66121_in: endpoint { | |
| 114 | bus-width = <12>; | |
| 115 | remote-endpoint = <&display_out>; | |
| 116 | }; | |
| 117 | }; | |
| 118 | ||
| 119 | port@1 { | |
| 120 | reg = <1>; | |
| 121 | hdmi_conn_out: endpoint { | |
| 122 | remote-endpoint = <&hdmi_conn_in>; | |
| 123 | }; | |
| 124 | }; | |
| 125 | }; | |
| 126 | }; | |
| 127 | }; |