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linux
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>
+25
+25
Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt
+25
Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt
···
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- nvidia,gk20a
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- nvidia,gm20b
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- nvidia,gp10b
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+
- nvidia,gv11b
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- reg: Physical base address and length of the controller's registers.
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Must contain two entries:
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- first entry for bar0
···
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If the compatible string is "nvidia,gm20b", then the following clock
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is also required:
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- ref
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+
If the compatible string is "nvidia,gv11b", then the following clock is also
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+
required:
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+
- fuse
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- resets: Must contain an entry for each entry in reset-names.
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See ../reset/reset.txt for details.
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- reset-names: Must include the following entries:
···
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reset-names = "gpu";
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power-domains = <&bpmp TEGRA186_POWER_DOMAIN_GPU>;
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iommus = <&smmu TEGRA186_SID_GPU>;
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+
};
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+
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Example for GV11B:
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+
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+
gpu@17000000 {
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+
compatible = "nvidia,gv11b";
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+
reg = <0x17000000 0x10000000>,
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+
<0x18000000 0x10000000>;
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+
interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>,
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+
<GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
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+
interrupt-names = "stall", "nonstall";
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+
clocks = <&bpmp TEGRA194_CLK_GPCCLK>,
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+
<&bpmp TEGRA194_CLK_GPU_PWR>,
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+
<&bpmp TEGRA194_CLK_FUSE>;
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+
clock-names = "gpu", "pwr", "fuse";
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+
resets = <&bpmp TEGRA194_RESET_GPU>;
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+
reset-names = "gpu";
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+
dma-coherent;
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+
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+
power-domains = <&bpmp TEGRA194_POWER_DOMAIN_GPU>;
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+
iommus = <&smmu TEGRA194_SID_GPU>;
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};