0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/display/tegra/nvidia,tegra20-hdmi.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: NVIDIA Tegra HDMI Output Encoder
0008
0009 maintainers:
0010 - Thierry Reding <thierry.reding@gmail.com>
0011 - Jon Hunter <jonathanh@nvidia.com>
0012
0013 properties:
0014 $nodename:
0015 pattern: "^hdmi@[0-9a-f]+$"
0016
0017 compatible:
0018 oneOf:
0019 - enum:
0020 - nvidia,tegra20-hdmi
0021 - nvidia,tegra30-hdmi
0022 - nvidia,tegra114-hdmi
0023 - nvidia,tegra124-hdmi
0024
0025 - items:
0026 - const: nvidia,tegra132-hdmi
0027 - const: nvidia,tegra124-hdmi
0028
0029 reg:
0030 maxItems: 1
0031
0032 interrupts:
0033 maxItems: 1
0034
0035 clocks:
0036 items:
0037 - description: module clock
0038 - description: parent clock
0039
0040 clock-names:
0041 items:
0042 - const: hdmi
0043 - const: parent
0044
0045 resets:
0046 items:
0047 - description: module reset
0048
0049 reset-names:
0050 items:
0051 - const: hdmi
0052
0053 operating-points-v2:
0054 $ref: "/schemas/types.yaml#/definitions/phandle"
0055
0056 power-domains:
0057 items:
0058 - description: phandle to the core power domain
0059
0060 hdmi-supply:
0061 description: supply for the +5V HDMI connector pin
0062
0063 vdd-supply:
0064 description: regulator for supply voltage
0065
0066 pll-supply:
0067 description: regulator for PLL
0068
0069 nvidia,ddc-i2c-bus:
0070 description: phandle of an I2C controller used for DDC EDID
0071 probing
0072 $ref: "/schemas/types.yaml#/definitions/phandle"
0073
0074 nvidia,hpd-gpio:
0075 description: specifies a GPIO used for hotplug detection
0076 maxItems: 1
0077
0078 nvidia,edid:
0079 description: supplies a binary EDID blob
0080 $ref: "/schemas/types.yaml#/definitions/uint8-array"
0081
0082 nvidia,panel:
0083 description: phandle of a display panel
0084 $ref: "/schemas/types.yaml#/definitions/phandle"
0085
0086 "#sound-dai-cells":
0087 const: 0
0088
0089 additionalProperties: false
0090
0091 required:
0092 - compatible
0093 - reg
0094 - interrupts
0095 - clocks
0096 - clock-names
0097 - resets
0098 - reset-names
0099 - pll-supply
0100 - vdd-supply
0101 - nvidia,ddc-i2c-bus
0102 - nvidia,hpd-gpio
0103
0104 examples:
0105 - |
0106 #include <dt-bindings/clock/tegra124-car.h>
0107 #include <dt-bindings/interrupt-controller/arm-gic.h>
0108 #include <dt-bindings/gpio/tegra-gpio.h>
0109
0110 hdmi@54280000 {
0111 compatible = "nvidia,tegra124-hdmi";
0112 reg = <0x54280000 0x00040000>;
0113 interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
0114 clocks = <&tegra_car TEGRA124_CLK_HDMI>,
0115 <&tegra_car TEGRA124_CLK_PLL_D2_OUT0>;
0116 clock-names = "hdmi", "parent";
0117 resets = <&tegra_car 51>;
0118 reset-names = "hdmi";
0119
0120 hdmi-supply = <&vdd_5v0_hdmi>;
0121 pll-supply = <&vdd_hdmi_pll>;
0122 vdd-supply = <&vdd_3v3_hdmi>;
0123
0124 nvidia,ddc-i2c-bus = <&hdmi_ddc>;
0125 nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7) GPIO_ACTIVE_HIGH>;
0126 };
