LXR linux/Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt

   1NVIDIA Tegra host1x
   2
   3Required properties:
   4- compatible: "nvidia,tegra<chip>-host1x"
   5- reg: Physical base address and length of the controller's registers.
   6- interrupts: The interrupt outputs from the controller.
   7- #address-cells: The number of cells used to represent physical base addresses
   8  in the host1x address space. Should be 1.
   9- #size-cells: The number of cells used to represent the size of an address
  10  range in the host1x address space. Should be 1.
  11- ranges: The mapping of the host1x address space to the CPU address space.
  12
  13The host1x top-level node defines a number of children, each representing one
  14of the following host1x client modules:
  15
  16- mpe: video encoder
  17
  18  Required properties:
  19  - compatible: "nvidia,tegra<chip>-mpe"
  20  - reg: Physical base address and length of the controller's registers.
  21  - interrupts: The interrupt outputs from the controller.
  22
  23- vi: video input
  24
  25  Required properties:
  26  - compatible: "nvidia,tegra<chip>-vi"
  27  - reg: Physical base address and length of the controller's registers.
  28  - interrupts: The interrupt outputs from the controller.
  29
  30- epp: encoder pre-processor
  31
  32  Required properties:
  33  - compatible: "nvidia,tegra<chip>-epp"
  34  - reg: Physical base address and length of the controller's registers.
  35  - interrupts: The interrupt outputs from the controller.
  36
  37- isp: image signal processor
  38
  39  Required properties:
  40  - compatible: "nvidia,tegra<chip>-isp"
  41  - reg: Physical base address and length of the controller's registers.
  42  - interrupts: The interrupt outputs from the controller.
  43
  44- gr2d: 2D graphics engine
  45
  46  Required properties:
  47  - compatible: "nvidia,tegra<chip>-gr2d"
  48  - reg: Physical base address and length of the controller's registers.
  49  - interrupts: The interrupt outputs from the controller.
  50
  51- gr3d: 3D graphics engine
  52
  53  Required properties:
  54  - compatible: "nvidia,tegra<chip>-gr3d"
  55  - reg: Physical base address and length of the controller's registers.
  56
  57- dc: display controller
  58
  59  Required properties:
  60  - compatible: "nvidia,tegra<chip>-dc"
  61  - reg: Physical base address and length of the controller's registers.
  62  - interrupts: The interrupt outputs from the controller.
  63
  64  Each display controller node has a child node, named "rgb", that represents
  65  the RGB output associated with the controller. It can take the following
  66  optional properties:
  67  - nvidia,ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
  68  - nvidia,hpd-gpio: specifies a GPIO used for hotplug detection
  69  - nvidia,edid: supplies a binary EDID blob
  70
  71- hdmi: High Definition Multimedia Interface
  72
  73  Required properties:
  74  - compatible: "nvidia,tegra<chip>-hdmi"
  75  - reg: Physical base address and length of the controller's registers.
  76  - interrupts: The interrupt outputs from the controller.
  77  - vdd-supply: regulator for supply voltage
  78  - pll-supply: regulator for PLL
  79
  80  Optional properties:
  81  - nvidia,ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
  82  - nvidia,hpd-gpio: specifies a GPIO used for hotplug detection
  83  - nvidia,edid: supplies a binary EDID blob
  84
  85- tvo: TV encoder output
  86
  87  Required properties:
  88  - compatible: "nvidia,tegra<chip>-tvo"
  89  - reg: Physical base address and length of the controller's registers.
  90  - interrupts: The interrupt outputs from the controller.
  91
  92- dsi: display serial interface
  93
  94  Required properties:
  95  - compatible: "nvidia,tegra<chip>-dsi"
  96  - reg: Physical base address and length of the controller's registers.
  97
  98Example:
  99
 100/ {
 101        ...
 102
 103        host1x {
 104                compatible = "nvidia,tegra20-host1x", "simple-bus";
 105                reg = <0x50000000 0x00024000>;
 106                interrupts = <0 65 0x04   /* mpcore syncpt */
 107                              0 67 0x04>; /* mpcore general */
 108
 109                #address-cells = <1>;
 110                #size-cells = <1>;
 111
 112                ranges = <0x54000000 0x54000000 0x04000000>;
 113
 114                mpe {
 115                        compatible = "nvidia,tegra20-mpe";
 116                        reg = <0x54040000 0x00040000>;
 117                        interrupts = <0 68 0x04>;
 118                };
 119
 120                vi {
 121                        compatible = "nvidia,tegra20-vi";
 122                        reg = <0x54080000 0x00040000>;
 123                        interrupts = <0 69 0x04>;
 124                };
 125
 126                epp {
 127                        compatible = "nvidia,tegra20-epp";
 128                        reg = <0x540c0000 0x00040000>;
 129                        interrupts = <0 70 0x04>;
 130                };
 131
 132                isp {
 133                        compatible = "nvidia,tegra20-isp";
 134                        reg = <0x54100000 0x00040000>;
 135                        interrupts = <0 71 0x04>;
 136                };
 137
 138                gr2d {
 139                        compatible = "nvidia,tegra20-gr2d";
 140                        reg = <0x54140000 0x00040000>;
 141                        interrupts = <0 72 0x04>;
 142                };
 143
 144                gr3d {
 145                        compatible = "nvidia,tegra20-gr3d";
 146                        reg = <0x54180000 0x00040000>;
 147                };
 148
 149                dc@54200000 {
 150                        compatible = "nvidia,tegra20-dc";
 151                        reg = <0x54200000 0x00040000>;
 152                        interrupts = <0 73 0x04>;
 153
 154                        rgb {
 155                                status = "disabled";
 156                        };
 157                };
 158
 159                dc@54240000 {
 160                        compatible = "nvidia,tegra20-dc";
 161                        reg = <0x54240000 0x00040000>;
 162                        interrupts = <0 74 0x04>;
 163
 164                        rgb {
 165                                status = "disabled";
 166                        };
 167                };
 168
 169                hdmi {
 170                        compatible = "nvidia,tegra20-hdmi";
 171                        reg = <0x54280000 0x00040000>;
 172                        interrupts = <0 75 0x04>;
 173                        status = "disabled";
 174                };
 175
 176                tvo {
 177                        compatible = "nvidia,tegra20-tvo";
 178                        reg = <0x542c0000 0x00040000>;
 179                        interrupts = <0 76 0x04>;
 180                        status = "disabled";
 181                };
 182
 183                dsi {
 184                        compatible = "nvidia,tegra20-dsi";
 185                        reg = <0x54300000 0x00040000>;
 186                        status = "disabled";
 187                };
 188        };
 189
 190        ...
 191};
 192