[PATCH 1/2] arm64: dts: rockchip: add GPU node for rk3568

[Heiko Stübner]

Am Dienstag, 20. Juli 2021, 00:49:45 CEST schrieb Ezequiel Garcia:
> Rockchip SoCs RK3566 and RK3568 have a Mali Gondul core
> which is based on the Bifrost architecture. It has
> one shader core and two execution engines.
> 
> Quoting the datasheet:
> 
> Mali-G52 1-Core-2EE
> * Support 1600Mpix/s fill rate when 800MHz clock frequency
> * Support 38.4GLOPs when 800MHz clock frequency
> 
> Mesa side: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10771

missing an addition to 
	Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml

Thanks
Heiko

> 
> Signed-off-by: Ezequiel Garcia <ezequiel at collabora.com>
> ---
>  arch/arm64/boot/dts/rockchip/rk3568.dtsi | 47 ++++++++++++++++++++++++
>  1 file changed, 47 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568.dtsi b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
> index 618849186c39..59844dfaeb86 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3568.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
> @@ -128,6 +128,35 @@ opp-1992000000 {
>  		};
>  	};
>  
> +	gpu_opp_table: opp-table2 {
> +		compatible = "operating-points-v2";
> +
> +		opp-200000000 {
> +			opp-hz = /bits/ 64 <200000000>;
> +			opp-microvolt = <825000>;
> +		};
> +		opp-300000000 {
> +			opp-hz = /bits/ 64 <300000000>;
> +			opp-microvolt = <825000>;
> +		};
> +		opp-400000000 {
> +			opp-hz = /bits/ 64 <400000000>;
> +			opp-microvolt = <825000>;
> +		};
> +		opp-600000000 {
> +			opp-hz = /bits/ 64 <600000000>;
> +			opp-microvolt = <825000>;
> +		};
> +		opp-700000000 {
> +			opp-hz = /bits/ 64 <700000000>;
> +			opp-microvolt = <900000>;
> +		};
> +		opp-800000000 {
> +			opp-hz = /bits/ 64 <800000000>;
> +			opp-microvolt = <1000000>;
> +		};
> +	};
> +
>  	firmware {
>  		scmi: scmi {
>  			compatible = "arm,scmi-smc";
> @@ -351,6 +380,24 @@ power-domain at RK3568_PD_PIPE {
>  		};
>  	};
>  
> +	gpu: gpu at fde60000 {
> +		compatible = "rockchip,rk3568-mali", "arm,mali-bifrost";
> +		reg = <0x0 0xfde60000 0x0 0x4000>;
> +
> +		interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupt-names = "job", "mmu", "gpu";
> +
> +		clocks = <&scmi_clk 1>, <&cru CLK_GPU>;
> +		clock-names = "clk_mali", "bus";
> +		operating-points-v2 = <&gpu_opp_table>;
> +
> +		#cooling-cells = <2>;
> +		power-domains = <&power RK3568_PD_GPU>;
> +		status = "disabled";
> +	};
> +
>  	sdmmc2: mmc at fe000000 {
>  		compatible = "rockchip,rk3568-dw-mshc", "rockchip,rk3288-dw-mshc";
>  		reg = <0x0 0xfe000000 0x0 0x4000>;
>