On Wed, Feb 1, 2017 at 4:53 PM, Maxime Ripard
<maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote:
> The A23 and A33 have an ARM Mali 400 GPU. Now that we have a binding, add
> it to our DT.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
Acked-by: Chen-Yu Tsai <wens@xxxxxxxx>
>
> ---
>
> Changes from v2:
> - Removed leading 0 from the unit address
> ---
> arch/arm/boot/dts/sun8i-a23-a33.dtsi | 26 ++++++++++++++++++++++++++
> 1 file changed, 26 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
> index d92fdf5a7b26..35008b78d899 100644
> --- a/arch/arm/boot/dts/sun8i-a23-a33.dtsi
> +++ b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
> @@ -472,6 +472,32 @@
> #size-cells = <0>;
> };
>
> + mali: gpu@1c40000 {
> + compatible = "allwinner,sun8i-a23-mali",
> + "allwinner,sun7i-a20-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>;
Is the driver supposed to do DVFS for the GPU? If so, do we need to
specify operating points and/or regulator supplies?
Thanks
ChenYu
> + };
> +
> gic: interrupt-controller@01c81000 {
> compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
> reg = <0x01c81000 0x1000>,
> --
> git-series 0.8.11
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