On 17/07/2020 09:36, Thierry Reding wrote:
> From: Thierry Reding <treding@xxxxxxxxxx>
>
> The GPU found on NVIDIA Tegra194 SoCs is a Volta generation GPU called
> GV11B.
>
> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
> ---
> Changes in v3:
> - mark the GPU as DMA coherent because that's enforced by the MSS
> - add FUSE clock which is needed during GPU initialization
> - enable GPU by default
>
> arch/arm64/boot/dts/nvidia/tegra194.dtsi | 34 ++++++++++++++++++++++++
> 1 file changed, 34 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
> index 98c366ab4aab..48160f48003a 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
> @@ -1395,6 +1395,40 @@ sor3: sor@15bc0000 {
> 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 {
>
Reviewed-by: Jon Hunter <jonathanh@xxxxxxxxxx>
Cheers
Jon
--
nvpublic
