dt-bindings: Add documentation for GV11B GPU

The GV11B's device tree bindings are the same as for GP10B, though the
GPU is not completely compatible, so all that is needed is a different
compatible string.

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

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

@@ -6,6 +6,7 @@ Required properties:
   - nvidia,gk20a
   - nvidia,gm20b
   - nvidia,gp10b
+  - nvidia,gv11b
 - reg: Physical base address and length of the controller's registers.
   Must contain two entries:
   - first entry for bar0
@@ -25,6 +26,9 @@ Required properties:
 If the compatible string is "nvidia,gm20b", then the following clock
 is also required:
   - ref
+If the compatible string is "nvidia,gv11b", then the following clock is also
+required:
+  - fuse
 - resets: Must contain an entry for each entry in reset-names.
   See ../reset/reset.txt for details.
 - reset-names: Must include the following entries:
@@ -88,3 +92,24 @@ Example for GP10B:
 		power-domains = <&bpmp TEGRA186_POWER_DOMAIN_GPU>;
 		iommus = <&smmu TEGRA186_SID_GPU>;
 	};
+
+Example for GV11B:
+
+	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>;
+		iommus = <&smmu TEGRA194_SID_GPU>;
+	};