kernel/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt

   1 NVIDIA GK20A Graphics Processing Unit
   2
   3 Required properties:
   4 - compatible: "nvidia,<chip>-<gpu>"
   5   Currently recognized values:
   6   - nvidia,tegra124-gk20a
   7 - reg: Physical base address and length of the controller's registers.
   8   Must contain two entries:
   9   - first entry for bar0
  10   - second entry for bar1
  11 - interrupts: Must contain an entry for each entry in interrupt-names.
  12   See ../interrupt-controller/interrupts.txt for details.
  13 - interrupt-names: Must include the following entries:
  14   - stall
  15   - nonstall
  16 - vdd-supply: regulator for supply voltage.
  17 - clocks: Must contain an entry for each entry in clock-names.
  18   See ../clocks/clock-bindings.txt for details.
  19 - clock-names: Must include the following entries:
  20   - gpu
  21   - pwr
  22 - resets: Must contain an entry for each entry in reset-names.
  23   See ../reset/reset.txt for details.
  24 - reset-names: Must include the following entries:
  25   - gpu
  26
  27 Example:
  28
  29         gpu@0,57000000 {
  30                 compatible = "nvidia,gk20a";
  31                 reg = <0x0 0x57000000 0x0 0x01000000>,
  32                       <0x0 0x58000000 0x0 0x01000000>;
  33                 interrupts = <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>,
  34                              <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>;
  35                 interrupt-names = "stall", "nonstall";
  36                 vdd-supply = <&vdd_gpu>;
  37                 clocks = <&tegra_car TEGRA124_CLK_GPU>,
  38                          <&tegra_car TEGRA124_CLK_PLL_P_OUT5>;
  39                 clock-names = "gpu", "pwr";
  40                 resets = <&tegra_car 184>;
  41                 reset-names = "gpu";
  42                 status = "disabled";
  43         };