On 17/07/2020 09:36, Thierry Reding wrote:
> From: Thierry Reding <treding@xxxxxxxxxx>
>
> 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.
>
> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
> ---
> Changes in v3:
> - document the "fuse" clock which needs to be enabled during the GPU
> initialization
>
> .../devicetree/bindings/gpu/nvidia,gk20a.txt | 25 +++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt b/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt
> index f32bbba4d3bc..662a3c8a7d29 100644
> --- a/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt
> +++ b/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>;
> + };
>
Reviewed-by: Jon Hunter <jonathanh@xxxxxxxxxx>
Cheers
Jon
--
nvpublic
