[PATCH v4 4/4] arm64: dts: qcom: sm6125: Add IOMMU context to DWC3

Martin Botka martin.botka at somainline.org
Sun Dec 18 03:10:57 PST 2022



On Fri, Dec 16 2022 at 10:58:19 PM +01:00:00, Marijn Suijten 
<marijn.suijten at somainline.org> wrote:
> From: AngeloGioacchino Del Regno 
> <angelogioacchino.delregno at somainline.org>
> 
> Add an IOMMU context to the USB DWC3 controller, required to get USB
> functionality upon enablement of apps_smmu.
> 
> Signed-off-by: AngeloGioacchino Del Regno 
> <angelogioacchino.delregno at somainline.org>
> Signed-off-by: Marijn Suijten <marijn.suijten at somainline.org>
> ---
>  arch/arm64/boot/dts/qcom/sm6125.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm6125.dtsi 
> b/arch/arm64/boot/dts/qcom/sm6125.dtsi
> index f560499cc0ca..a205121ab4a7 100644
> --- a/arch/arm64/boot/dts/qcom/sm6125.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm6125.dtsi
> @@ -542,6 +542,7 @@ usb3_dwc3: usb at 4e00000 {
>  				compatible = "snps,dwc3";
>  				reg = <0x04e00000 0xcd00>;
>  				interrupts = <GIC_SPI 255 IRQ_TYPE_LEVEL_HIGH>;
> +				iommus = <&apps_smmu 0x100 0x0>;
>  				phys = <&hsusb_phy1>;
>  				phy-names = "usb2-phy";
>  				snps,dis_u2_susphy_quirk;
> --
> 2.39.0
> 
Reviewed-by: Martin Botka <martin.botka at somainline.org>

-Martin





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