1*fe8b45aaSThierry Reding# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*fe8b45aaSThierry Reding%YAML 1.2 3*fe8b45aaSThierry Reding--- 4*fe8b45aaSThierry Reding$id: http://devicetree.org/schemas/display/tegra/nvidia,tegra20-dc.yaml# 5*fe8b45aaSThierry Reding$schema: http://devicetree.org/meta-schemas/core.yaml# 6*fe8b45aaSThierry Reding 7*fe8b45aaSThierry Redingtitle: NVIDIA Tegra Display Controller 8*fe8b45aaSThierry Reding 9*fe8b45aaSThierry Redingmaintainers: 10*fe8b45aaSThierry Reding - Thierry Reding <thierry.reding@gmail.com> 11*fe8b45aaSThierry Reding - Jon Hunter <jonathanh@nvidia.com> 12*fe8b45aaSThierry Reding 13*fe8b45aaSThierry Redingproperties: 14*fe8b45aaSThierry Reding $nodename: 15*fe8b45aaSThierry Reding pattern: "^dc@[0-9a-f]+$" 16*fe8b45aaSThierry Reding 17*fe8b45aaSThierry Reding compatible: 18*fe8b45aaSThierry Reding oneOf: 19*fe8b45aaSThierry Reding - enum: 20*fe8b45aaSThierry Reding - nvidia,tegra20-dc 21*fe8b45aaSThierry Reding - nvidia,tegra30-dc 22*fe8b45aaSThierry Reding - nvidia,tegra114-dc 23*fe8b45aaSThierry Reding - nvidia,tegra124-dc 24*fe8b45aaSThierry Reding - nvidia,tegra210-dc 25*fe8b45aaSThierry Reding 26*fe8b45aaSThierry Reding - items: 27*fe8b45aaSThierry Reding - const: nvidia,tegra124-dc 28*fe8b45aaSThierry Reding - const: nvidia,tegra132-dc 29*fe8b45aaSThierry Reding 30*fe8b45aaSThierry Reding reg: 31*fe8b45aaSThierry Reding maxItems: 1 32*fe8b45aaSThierry Reding 33*fe8b45aaSThierry Reding interrupts: 34*fe8b45aaSThierry Reding maxItems: 1 35*fe8b45aaSThierry Reding 36*fe8b45aaSThierry Reding clocks: 37*fe8b45aaSThierry Reding minItems: 1 38*fe8b45aaSThierry Reding items: 39*fe8b45aaSThierry Reding - description: display controller pixel clock 40*fe8b45aaSThierry Reding - description: parent clock # optional 41*fe8b45aaSThierry Reding 42*fe8b45aaSThierry Reding clock-names: 43*fe8b45aaSThierry Reding minItems: 1 44*fe8b45aaSThierry Reding items: 45*fe8b45aaSThierry Reding - const: dc 46*fe8b45aaSThierry Reding - const: parent # optional 47*fe8b45aaSThierry Reding 48*fe8b45aaSThierry Reding resets: 49*fe8b45aaSThierry Reding items: 50*fe8b45aaSThierry Reding - description: module reset 51*fe8b45aaSThierry Reding 52*fe8b45aaSThierry Reding reset-names: 53*fe8b45aaSThierry Reding items: 54*fe8b45aaSThierry Reding - const: dc 55*fe8b45aaSThierry Reding 56*fe8b45aaSThierry Reding interconnect-names: true 57*fe8b45aaSThierry Reding interconnects: true 58*fe8b45aaSThierry Reding 59*fe8b45aaSThierry Reding iommus: 60*fe8b45aaSThierry Reding maxItems: 1 61*fe8b45aaSThierry Reding 62*fe8b45aaSThierry Reding operating-points-v2: 63*fe8b45aaSThierry Reding $ref: "/schemas/types.yaml#/definitions/phandle" 64*fe8b45aaSThierry Reding 65*fe8b45aaSThierry Reding power-domains: 66*fe8b45aaSThierry Reding items: 67*fe8b45aaSThierry Reding - description: phandle to the core power domain 68*fe8b45aaSThierry Reding 69*fe8b45aaSThierry Reding memory-region: true 70*fe8b45aaSThierry Reding 71*fe8b45aaSThierry Reding nvidia,head: 72*fe8b45aaSThierry Reding $ref: /schemas/types.yaml#/definitions/uint32 73*fe8b45aaSThierry Reding description: The number of the display controller head. This is used to setup the various 74*fe8b45aaSThierry Reding types of output to receive video data from the given head. 75*fe8b45aaSThierry Reding 76*fe8b45aaSThierry Reding nvidia,outputs: 77*fe8b45aaSThierry Reding $ref: /schemas/types.yaml#/definitions/phandle-array 78*fe8b45aaSThierry Reding description: A list of phandles of outputs that this display controller can drive. 79*fe8b45aaSThierry Reding 80*fe8b45aaSThierry Reding rgb: 81*fe8b45aaSThierry Reding type: object 82*fe8b45aaSThierry Reding 83*fe8b45aaSThierry RedingallOf: 84*fe8b45aaSThierry Reding - if: 85*fe8b45aaSThierry Reding properties: 86*fe8b45aaSThierry Reding compatible: 87*fe8b45aaSThierry Reding contains: 88*fe8b45aaSThierry Reding enum: 89*fe8b45aaSThierry Reding - nvidia,tegra20-dc 90*fe8b45aaSThierry Reding - nvidia,tegra30-dc 91*fe8b45aaSThierry Reding - nvidia,tegra114-dc 92*fe8b45aaSThierry Reding then: 93*fe8b45aaSThierry Reding properties: 94*fe8b45aaSThierry Reding interconnects: 95*fe8b45aaSThierry Reding items: 96*fe8b45aaSThierry Reding - description: window A memory client 97*fe8b45aaSThierry Reding - description: window B memory client 98*fe8b45aaSThierry Reding - description: window B memory client (vertical filter) 99*fe8b45aaSThierry Reding - description: window C memory client 100*fe8b45aaSThierry Reding - description: cursor memory client 101*fe8b45aaSThierry Reding 102*fe8b45aaSThierry Reding interconnect-names: 103*fe8b45aaSThierry Reding items: 104*fe8b45aaSThierry Reding - const: wina 105*fe8b45aaSThierry Reding - const: winb 106*fe8b45aaSThierry Reding - const: winb-vfilter 107*fe8b45aaSThierry Reding - const: winc 108*fe8b45aaSThierry Reding - const: cursor 109*fe8b45aaSThierry Reding 110*fe8b45aaSThierry Reding rgb: 111*fe8b45aaSThierry Reding description: Each display controller node has a child node, named "rgb", that represents 112*fe8b45aaSThierry Reding the RGB output associated with the controller. 113*fe8b45aaSThierry Reding type: object 114*fe8b45aaSThierry Reding properties: 115*fe8b45aaSThierry Reding nvidia,ddc-i2c-bus: 116*fe8b45aaSThierry Reding $ref: /schemas/types.yaml#/definitions/phandle 117*fe8b45aaSThierry Reding description: phandle of an I2C controller used for DDC EDID probing 118*fe8b45aaSThierry Reding 119*fe8b45aaSThierry Reding nvidia,hpd-gpio: 120*fe8b45aaSThierry Reding description: specifies a GPIO used for hotplug detection 121*fe8b45aaSThierry Reding maxItems: 1 122*fe8b45aaSThierry Reding 123*fe8b45aaSThierry Reding nvidia,edid: 124*fe8b45aaSThierry Reding $ref: /schemas/types.yaml#/definitions/uint8-array 125*fe8b45aaSThierry Reding description: supplies a binary EDID blob 126*fe8b45aaSThierry Reding 127*fe8b45aaSThierry Reding nvidia,panel: 128*fe8b45aaSThierry Reding $ref: /schemas/types.yaml#/definitions/phandle 129*fe8b45aaSThierry Reding description: phandle of a display panel 130*fe8b45aaSThierry Reding 131*fe8b45aaSThierry Reding - if: 132*fe8b45aaSThierry Reding properties: 133*fe8b45aaSThierry Reding compatible: 134*fe8b45aaSThierry Reding contains: 135*fe8b45aaSThierry Reding enum: 136*fe8b45aaSThierry Reding - nvidia,tegra124-dc 137*fe8b45aaSThierry Reding then: 138*fe8b45aaSThierry Reding properties: 139*fe8b45aaSThierry Reding interconnects: 140*fe8b45aaSThierry Reding minItems: 4 141*fe8b45aaSThierry Reding items: 142*fe8b45aaSThierry Reding - description: window A memory client 143*fe8b45aaSThierry Reding - description: window B memory client 144*fe8b45aaSThierry Reding - description: window C memory client 145*fe8b45aaSThierry Reding - description: cursor memory client 146*fe8b45aaSThierry Reding - description: window D memory client 147*fe8b45aaSThierry Reding - description: window T memory client 148*fe8b45aaSThierry Reding 149*fe8b45aaSThierry Reding interconnect-names: 150*fe8b45aaSThierry Reding minItems: 4 151*fe8b45aaSThierry Reding items: 152*fe8b45aaSThierry Reding - const: wina 153*fe8b45aaSThierry Reding - const: winb 154*fe8b45aaSThierry Reding - const: winc 155*fe8b45aaSThierry Reding - const: cursor 156*fe8b45aaSThierry Reding - const: wind 157*fe8b45aaSThierry Reding - const: wint 158*fe8b45aaSThierry Reding 159*fe8b45aaSThierry RedingadditionalProperties: false 160*fe8b45aaSThierry Reding 161*fe8b45aaSThierry Redingrequired: 162*fe8b45aaSThierry Reding - compatible 163*fe8b45aaSThierry Reding - reg 164*fe8b45aaSThierry Reding - interrupts 165*fe8b45aaSThierry Reding - clocks 166*fe8b45aaSThierry Reding - clock-names 167*fe8b45aaSThierry Reding - resets 168*fe8b45aaSThierry Reding - reset-names 169*fe8b45aaSThierry Reding 170*fe8b45aaSThierry Redingexamples: 171*fe8b45aaSThierry Reding - | 172*fe8b45aaSThierry Reding #include <dt-bindings/clock/tegra20-car.h> 173*fe8b45aaSThierry Reding #include <dt-bindings/interrupt-controller/arm-gic.h> 174*fe8b45aaSThierry Reding 175*fe8b45aaSThierry Reding dc@54200000 { 176*fe8b45aaSThierry Reding compatible = "nvidia,tegra20-dc"; 177*fe8b45aaSThierry Reding reg = <0x54200000 0x00040000>; 178*fe8b45aaSThierry Reding interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>; 179*fe8b45aaSThierry Reding clocks = <&tegra_car TEGRA20_CLK_DISP1>; 180*fe8b45aaSThierry Reding clock-names = "dc"; 181*fe8b45aaSThierry Reding resets = <&tegra_car 27>; 182*fe8b45aaSThierry Reding reset-names = "dc"; 183*fe8b45aaSThierry Reding }; 184