Re: [PATCH v5 4/5] ARM: dts: microchip: sam9x7: Add GFX2D GPU

[Nicolas Ferre]

Hi,

On 13/01/2026 at 14:10, Cyrille Pitchen wrote:
> Add support for the GFX2D GPU.
>
> Signed-off-by: Cyrille Pitchen <cyrille.pitchen@xxxxxxxxxxxxx>
> ---
>   arch/arm/boot/dts/microchip/sam9x7.dtsi | 8 ++++++++
>   1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm/boot/dts/microchip/sam9x7.dtsi b/arch/arm/boot/dts/microchip/sam9x7.dtsi
> index 46dacbbd201ddb68a7456d6fe1afafa59db90ec8..79a82962264f51c4c243530b9dad9010f8cf1347 100644
> --- a/arch/arm/boot/dts/microchip/sam9x7.dtsi
> +++ b/arch/arm/boot/dts/microchip/sam9x7.dtsi
> @@ -292,6 +292,14 @@ AT91_XDMAC_DT_PERID(26))>,
>   			status = "disabled";
>   		};
>   
> +		gpu: gpu@f0018000 {
> +			compatible = "microchip,sam9x7-gfx2d";
> +			reg = <0xf0018000 0x4000>;

I see that the register map is much smaller that this 0x4000 size required.

> +			interrupts = <36 IRQ_TYPE_LEVEL_HIGH 0>;
> +			clocks = <&pmc PMC_TYPE_PERIPHERAL 36>;
> +			status = "disabled";
> +		};
> +
>   		i2s: i2s@f001c000 {
>   			compatible = "microchip,sam9x7-i2smcc", "microchip,sam9x60-i2smcc";
>   			reg = <0xf001c000 0x100>;

Best regards,
  Nicolas