arm64: tegra: Add the GPU on Tegra194

The GPU found on NVIDIA Tegra194 SoCs is a Volta generation GPU called
GV11B.

Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 98c366a..48160f4 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -1395,6 +1395,40 @@
                                nvidia,interface = <3>;
                        };
                };
+
+               gpu@17000000 {
+                       compatible = "nvidia,gv11b";
+                       reg = <0x17000000 0x10000000>,
+                             <0x18000000 0x10000000>;
+                       interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+                       interrupt-names = "stall", "nonstall";
+                       clocks = <&bpmp TEGRA194_CLK_GPCCLK>,
+                                <&bpmp TEGRA194_CLK_GPU_PWR>,
+                                <&bpmp TEGRA194_CLK_FUSE>;
+                       clock-names = "gpu", "pwr", "fuse";
+                       resets = <&bpmp TEGRA194_RESET_GPU>;
+                       reset-names = "gpu";
+                       dma-coherent;
+
+                       power-domains = <&bpmp TEGRA194_POWER_DOMAIN_GPU>;
+                       interconnects = <&mc TEGRA194_MEMORY_CLIENT_NVL1R &emc>,
+                                       <&mc TEGRA194_MEMORY_CLIENT_NVL1RHP &emc>,
+                                       <&mc TEGRA194_MEMORY_CLIENT_NVL1W &emc>,
+                                       <&mc TEGRA194_MEMORY_CLIENT_NVL2R &emc>,
+                                       <&mc TEGRA194_MEMORY_CLIENT_NVL2RHP &emc>,
+                                       <&mc TEGRA194_MEMORY_CLIENT_NVL2W &emc>,
+                                       <&mc TEGRA194_MEMORY_CLIENT_NVL3R &emc>,
+                                       <&mc TEGRA194_MEMORY_CLIENT_NVL3RHP &emc>,
+                                       <&mc TEGRA194_MEMORY_CLIENT_NVL3W &emc>,
+                                       <&mc TEGRA194_MEMORY_CLIENT_NVL4R &emc>,
+                                       <&mc TEGRA194_MEMORY_CLIENT_NVL4RHP &emc>,
+                                       <&mc TEGRA194_MEMORY_CLIENT_NVL4W &emc>;
+                       interconnect-names = "dma-mem", "read-0-hp", "write-0",
+                                            "read-1", "read-1-hp", "write-1",
+                                            "read-2", "read-2-hp", "write-2",
+                                            "read-3", "read-3-hp", "write-3";
+               };
        };
 
        pcie@14100000 {