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dt-bindings: Add documentation for GV11B GPU

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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>
This commit is contained in:
Thierry Reding 2020-07-16 15:18:45 +02:00
parent c259dacde2
commit 90a09178f3
1 changed files with 25 additions and 0 deletions
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25
Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt
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@ -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>;
};