1NVIDIA Tegra Graphics Processing Units 2 3Required properties: 4- compatible: "nvidia,<gpu>" 5 Currently recognized values: 6 - nvidia,gk20a 7 - nvidia,gm20b 8- reg: Physical base address and length of the controller's registers. 9 Must contain two entries: 10 - first entry for bar0 11 - second entry for bar1 12- interrupts: Must contain an entry for each entry in interrupt-names. 13 See ../interrupt-controller/interrupts.txt for details. 14- interrupt-names: Must include the following entries: 15 - stall 16 - nonstall 17- vdd-supply: regulator for supply voltage. 18- clocks: Must contain an entry for each entry in clock-names. 19 See ../clocks/clock-bindings.txt for details. 20- clock-names: Must include the following entries: 21 - gpu 22 - pwr 23If the compatible string is "nvidia,gm20b", then the following clock 24is also required: 25 - ref 26- resets: Must contain an entry for each entry in reset-names. 27 See ../reset/reset.txt for details. 28- reset-names: Must include the following entries: 29 - gpu 30 31Optional properties: 32- iommus: A reference to the IOMMU. See ../iommu/iommu.txt for details. 33 34Example for GK20A: 35 36 gpu@57000000 { 37 compatible = "nvidia,gk20a"; 38 reg = <0x0 0x57000000 0x0 0x01000000>, 39 <0x0 0x58000000 0x0 0x01000000>; 40 interrupts = <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>, 41 <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>; 42 interrupt-names = "stall", "nonstall"; 43 vdd-supply = <&vdd_gpu>; 44 clocks = <&tegra_car TEGRA124_CLK_GPU>, 45 <&tegra_car TEGRA124_CLK_PLL_P_OUT5>; 46 clock-names = "gpu", "pwr"; 47 resets = <&tegra_car 184>; 48 reset-names = "gpu"; 49 iommus = <&mc TEGRA_SWGROUP_GPU>; 50 status = "disabled"; 51 }; 52 53Example for GM20B: 54 55 gpu@57000000 { 56 compatible = "nvidia,gm20b"; 57 reg = <0x0 0x57000000 0x0 0x01000000>, 58 <0x0 0x58000000 0x0 0x01000000>; 59 interrupts = <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>, 60 <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>; 61 interrupt-names = "stall", "nonstall"; 62 clocks = <&tegra_car TEGRA210_CLK_GPU>, 63 <&tegra_car TEGRA210_CLK_PLL_P_OUT5>, 64 <&tegra_car TEGRA210_CLK_PLL_G_REF>; 65 clock-names = "gpu", "pwr", "ref"; 66 resets = <&tegra_car 184>; 67 reset-names = "gpu"; 68 iommus = <&mc TEGRA_SWGROUP_GPU>; 69 status = "disabled"; 70 }; 71