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

From: Martin Botka
Date: Sun Dec 18 2022 - 06:11:24 EST




On Fri, Dec 16 2022 at 10:58:19 PM +01:00:00, Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx> wrote:
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxx>
Signed-off-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
---
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@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@xxxxxxxxxxxxxx>

-Martin