1fe8b45aaSThierry Reding# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2fe8b45aaSThierry Reding%YAML 1.2 3fe8b45aaSThierry Reding--- 4fe8b45aaSThierry Reding$id: http://devicetree.org/schemas/display/tegra/nvidia,tegra20-dc.yaml# 5fe8b45aaSThierry Reding$schema: http://devicetree.org/meta-schemas/core.yaml# 6fe8b45aaSThierry Reding 7fe8b45aaSThierry Redingtitle: NVIDIA Tegra Display Controller 8fe8b45aaSThierry Reding 9fe8b45aaSThierry Redingmaintainers: 10fe8b45aaSThierry Reding - Thierry Reding <thierry.reding@gmail.com> 11fe8b45aaSThierry Reding - Jon Hunter <jonathanh@nvidia.com> 12fe8b45aaSThierry Reding 13fe8b45aaSThierry Redingproperties: 14fe8b45aaSThierry Reding $nodename: 15fe8b45aaSThierry Reding pattern: "^dc@[0-9a-f]+$" 16fe8b45aaSThierry Reding 17fe8b45aaSThierry Reding compatible: 18fe8b45aaSThierry Reding oneOf: 19fe8b45aaSThierry Reding - enum: 20fe8b45aaSThierry Reding - nvidia,tegra20-dc 21fe8b45aaSThierry Reding - nvidia,tegra30-dc 22fe8b45aaSThierry Reding - nvidia,tegra114-dc 23fe8b45aaSThierry Reding - nvidia,tegra124-dc 24fe8b45aaSThierry Reding - nvidia,tegra210-dc 25fe8b45aaSThierry Reding 26fe8b45aaSThierry Reding - items: 27fe8b45aaSThierry Reding - const: nvidia,tegra124-dc 28fe8b45aaSThierry Reding - const: nvidia,tegra132-dc 29fe8b45aaSThierry Reding 30fe8b45aaSThierry Reding reg: 31fe8b45aaSThierry Reding maxItems: 1 32fe8b45aaSThierry Reding 33fe8b45aaSThierry Reding interrupts: 34fe8b45aaSThierry Reding maxItems: 1 35fe8b45aaSThierry Reding 36fe8b45aaSThierry Reding clocks: 37fe8b45aaSThierry Reding minItems: 1 38fe8b45aaSThierry Reding items: 39fe8b45aaSThierry Reding - description: display controller pixel clock 40fe8b45aaSThierry Reding - description: parent clock # optional 41fe8b45aaSThierry Reding 42fe8b45aaSThierry Reding clock-names: 43fe8b45aaSThierry Reding minItems: 1 44fe8b45aaSThierry Reding items: 45fe8b45aaSThierry Reding - const: dc 46fe8b45aaSThierry Reding - const: parent # optional 47fe8b45aaSThierry Reding 48fe8b45aaSThierry Reding resets: 49fe8b45aaSThierry Reding items: 50fe8b45aaSThierry Reding - description: module reset 51fe8b45aaSThierry Reding 52fe8b45aaSThierry Reding reset-names: 53fe8b45aaSThierry Reding items: 54fe8b45aaSThierry Reding - const: dc 55fe8b45aaSThierry Reding 56fe8b45aaSThierry Reding interconnect-names: true 57fe8b45aaSThierry Reding interconnects: true 58fe8b45aaSThierry Reding 59fe8b45aaSThierry Reding iommus: 60fe8b45aaSThierry Reding maxItems: 1 61fe8b45aaSThierry Reding 62*21fd06dcSKrzysztof Kozlowski operating-points-v2: true 63fe8b45aaSThierry Reding 64fe8b45aaSThierry Reding power-domains: 65fe8b45aaSThierry Reding items: 66fe8b45aaSThierry Reding - description: phandle to the core power domain 67fe8b45aaSThierry Reding 68fe8b45aaSThierry Reding memory-region: true 69fe8b45aaSThierry Reding 70fe8b45aaSThierry Reding nvidia,head: 71fe8b45aaSThierry Reding $ref: /schemas/types.yaml#/definitions/uint32 72fe8b45aaSThierry Reding description: The number of the display controller head. This is used to setup the various 73fe8b45aaSThierry Reding types of output to receive video data from the given head. 74fe8b45aaSThierry Reding 75fe8b45aaSThierry Reding nvidia,outputs: 76fe8b45aaSThierry Reding $ref: /schemas/types.yaml#/definitions/phandle-array 77fe8b45aaSThierry Reding description: A list of phandles of outputs that this display controller can drive. 78fe8b45aaSThierry Reding 79fe8b45aaSThierry Reding rgb: 80fe8b45aaSThierry Reding type: object 81fe8b45aaSThierry Reding 82fe8b45aaSThierry RedingallOf: 83fe8b45aaSThierry Reding - if: 84fe8b45aaSThierry Reding properties: 85fe8b45aaSThierry Reding compatible: 86fe8b45aaSThierry Reding contains: 87fe8b45aaSThierry Reding enum: 88fe8b45aaSThierry Reding - nvidia,tegra20-dc 89fe8b45aaSThierry Reding - nvidia,tegra30-dc 90fe8b45aaSThierry Reding - nvidia,tegra114-dc 91fe8b45aaSThierry Reding then: 92fe8b45aaSThierry Reding properties: 93fe8b45aaSThierry Reding interconnects: 94fe8b45aaSThierry Reding items: 95fe8b45aaSThierry Reding - description: window A memory client 96fe8b45aaSThierry Reding - description: window B memory client 97fe8b45aaSThierry Reding - description: window B memory client (vertical filter) 98fe8b45aaSThierry Reding - description: window C memory client 99fe8b45aaSThierry Reding - description: cursor memory client 100fe8b45aaSThierry Reding 101fe8b45aaSThierry Reding interconnect-names: 102fe8b45aaSThierry Reding items: 103fe8b45aaSThierry Reding - const: wina 104fe8b45aaSThierry Reding - const: winb 105fe8b45aaSThierry Reding - const: winb-vfilter 106fe8b45aaSThierry Reding - const: winc 107fe8b45aaSThierry Reding - const: cursor 108fe8b45aaSThierry Reding 109fe8b45aaSThierry Reding rgb: 110fe8b45aaSThierry Reding description: Each display controller node has a child node, named "rgb", that represents 111fe8b45aaSThierry Reding the RGB output associated with the controller. 112fe8b45aaSThierry Reding type: object 113fe8b45aaSThierry Reding properties: 114fe8b45aaSThierry Reding nvidia,ddc-i2c-bus: 115fe8b45aaSThierry Reding $ref: /schemas/types.yaml#/definitions/phandle 116fe8b45aaSThierry Reding description: phandle of an I2C controller used for DDC EDID probing 117fe8b45aaSThierry Reding 118fe8b45aaSThierry Reding nvidia,hpd-gpio: 119fe8b45aaSThierry Reding description: specifies a GPIO used for hotplug detection 120fe8b45aaSThierry Reding maxItems: 1 121fe8b45aaSThierry Reding 122fe8b45aaSThierry Reding nvidia,edid: 123fe8b45aaSThierry Reding $ref: /schemas/types.yaml#/definitions/uint8-array 124fe8b45aaSThierry Reding description: supplies a binary EDID blob 125fe8b45aaSThierry Reding 126fe8b45aaSThierry Reding nvidia,panel: 127fe8b45aaSThierry Reding $ref: /schemas/types.yaml#/definitions/phandle 128fe8b45aaSThierry Reding description: phandle of a display panel 129fe8b45aaSThierry Reding 130fe8b45aaSThierry Reding - if: 131fe8b45aaSThierry Reding properties: 132fe8b45aaSThierry Reding compatible: 133fe8b45aaSThierry Reding contains: 134fe8b45aaSThierry Reding enum: 135fe8b45aaSThierry Reding - nvidia,tegra124-dc 136fe8b45aaSThierry Reding then: 137fe8b45aaSThierry Reding properties: 138fe8b45aaSThierry Reding interconnects: 139fe8b45aaSThierry Reding minItems: 4 140fe8b45aaSThierry Reding items: 141fe8b45aaSThierry Reding - description: window A memory client 142fe8b45aaSThierry Reding - description: window B memory client 143fe8b45aaSThierry Reding - description: window C memory client 144fe8b45aaSThierry Reding - description: cursor memory client 145fe8b45aaSThierry Reding - description: window D memory client 146fe8b45aaSThierry Reding - description: window T memory client 147fe8b45aaSThierry Reding 148fe8b45aaSThierry Reding interconnect-names: 149fe8b45aaSThierry Reding minItems: 4 150fe8b45aaSThierry Reding items: 151fe8b45aaSThierry Reding - const: wina 152fe8b45aaSThierry Reding - const: winb 153fe8b45aaSThierry Reding - const: winc 154fe8b45aaSThierry Reding - const: cursor 155fe8b45aaSThierry Reding - const: wind 156fe8b45aaSThierry Reding - const: wint 157fe8b45aaSThierry Reding 158fe8b45aaSThierry RedingadditionalProperties: false 159fe8b45aaSThierry Reding 160fe8b45aaSThierry Redingrequired: 161fe8b45aaSThierry Reding - compatible 162fe8b45aaSThierry Reding - reg 163fe8b45aaSThierry Reding - interrupts 164fe8b45aaSThierry Reding - clocks 165fe8b45aaSThierry Reding - clock-names 166fe8b45aaSThierry Reding - resets 167fe8b45aaSThierry Reding - reset-names 168fe8b45aaSThierry Reding 169fe8b45aaSThierry Redingexamples: 170fe8b45aaSThierry Reding - | 171fe8b45aaSThierry Reding #include <dt-bindings/clock/tegra20-car.h> 172fe8b45aaSThierry Reding #include <dt-bindings/interrupt-controller/arm-gic.h> 173fe8b45aaSThierry Reding 174fe8b45aaSThierry Reding dc@54200000 { 175fe8b45aaSThierry Reding compatible = "nvidia,tegra20-dc"; 176fe8b45aaSThierry Reding reg = <0x54200000 0x00040000>; 177fe8b45aaSThierry Reding interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>; 178fe8b45aaSThierry Reding clocks = <&tegra_car TEGRA20_CLK_DISP1>; 179fe8b45aaSThierry Reding clock-names = "dc"; 180fe8b45aaSThierry Reding resets = <&tegra_car 27>; 181fe8b45aaSThierry Reding reset-names = "dc"; 182fe8b45aaSThierry Reding }; 183