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Juli 2026, 23:10:33 CEST schrieb Frank.Li@oss.nxp.com: > > From: Frank Li > > > > Add usbotg3 iommu information. > > > > Signed-off-by: Frank Li > > --- > > arch/arm64/boot/dts/freescale/imx8qm-ss-conn.dtsi | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/freescale/imx8qm-ss-conn.dtsi b/arch/arm64/boot/dts/freescale/imx8qm-ss-conn.dtsi > > index ccf9f510e0f88..1370a571153a5 100644 > > --- a/arch/arm64/boot/dts/freescale/imx8qm-ss-conn.dtsi > > +++ b/arch/arm64/boot/dts/freescale/imx8qm-ss-conn.dtsi > > @@ -32,3 +32,7 @@ &usdhc3 { > > compatible = "fsl,imx8qm-usdhc", "fsl,imx8qxp-usdhc", "fsl,imx7d-usdhc"; > > iommus = <&smmu 0x11 0x7f80>; > > }; > > + > > +&usbotg3_cdns3 { > > + iommus = <&smmu 0x4 0x7f80>; > > Where in the RM can you get these values? 0x4 is stream ID, any value between 0-31, uboot will use this value to config stream ID for bus master by scfw API 0x7f80 means tire some bit to high before pass to smmu by hardware. I don't think signal defination can be found at public documents. static int arm_smmu_of_xlate(struct device *dev, const struct of_phandle_args *args) { u32 mask, fwid = 0; if (args->args_count > 0) fwid |= FIELD_PREP(ARM_SMMU_SMR_ID, args->args[0]); if (args->args_count > 1) fwid |= FIELD_PREP(ARM_SMMU_SMR_MASK, args->args[1]); } Frank > > Thanks and best regards, > Alexander > > > +}; > > > > > > > -- > TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany > Amtsgericht München, HRB 105018 > Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider > http://www.tq-group.com/ > >