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SubjectRe: [PATCH] arm64: dts: allwinner: a64: Add device node for Mali-400 GPU
On Tue, Oct 23, 2018 at 09:42:03PM +0530, Jagan Teki wrote:
> Add support for Allwinner A64 has Mali-400MP2.
>
> All interrupt lines are mentioned in the manual so used the same.
> Used 408MHz as assigned clock rate used by BSP, so used the same as
> well.
>
> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
> ---
> Note:
> - Modules was able to load it on 4.19.
>
> .../bindings/gpu/arm,mali-utgard.txt | 1 +
> arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 25 +++++++++++++++++++
> 2 files changed, 26 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-utgard.txt b/Documentation/devicetree/bindings/gpu/arm,mali-utgard.txt
> index 63cd91176a68..a0ee62a5b221 100644
> --- a/Documentation/devicetree/bindings/gpu/arm,mali-utgard.txt
> +++ b/Documentation/devicetree/bindings/gpu/arm,mali-utgard.txt
> @@ -11,6 +11,7 @@ Required properties:
> + allwinner,sun4i-a10-mali
> + allwinner,sun7i-a20-mali
> + allwinner,sun8i-h3-mali
> + + allwinner,sun50i-a64-mali
> + allwinner,sun50i-h5-mali
> + amlogic,meson-gxbb-mali
> + amlogic,meson-gxl-mali

Please make a separate patch for this change.

> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> index f82e6b165d57..2db3aa151902 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> @@ -812,6 +812,31 @@
> };
> };
>
> + mali: gpu@1c40000 {
> + compatible = "allwinner,sun50i-a64-mali", "arm,mali-400";
> + reg = <0x01c40000 0x10000>;
> + interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "gp",
> + "gpmmu",
> + "pp0",
> + "ppmmu0",
> + "pp1",
> + "ppmmu1",
> + "pmu";
> + clocks = <&ccu CLK_BUS_GPU>, <&ccu CLK_GPU>;
> + clock-names = "bus", "core";
> + resets = <&ccu RST_BUS_GPU>;
> +
> + assigned-clocks = <&ccu CLK_GPU>;
> + assigned-clock-rates = <408000000>;

This is not needed and should be done in the driver.

Thanks!
Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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