Re: [PATCH 8/9] arm64: dts: qcom: ipq8074: Flatten usb controller nodes

[Krishna Kurapati]

On 8/25/2026 4:12 PM, George Moussalem via B4 Relay wrote:
> From: George Moussalem <george.moussalem@xxxxxxxxxxx>
>
> Flatten usb controller nodes and update to using latest bindings and
> flattened driver approach.
>
> In addition, fix indentation of properties in both nodes.
>
> Signed-off-by: George Moussalem <george.moussalem@xxxxxxxxxxx>
> ---
>   arch/arm64/boot/dts/qcom/ipq8074.dtsi | 112 ++++++++++++++++------------------
>   1 file changed, 52 insertions(+), 60 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
> index 75a5ae30d966..d4a86b3815f2 100644
> --- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
> @@ -625,104 +625,96 @@ qpic_nand: nand-controller@79b0000 {
>   			status = "disabled";
>   		};
>   
> -		usb_0: usb@8af8800 {
> -			compatible = "qcom,ipq8074-dwc3", "qcom,dwc3";
> -			reg = <0x08af8800 0x400>;
> -			#address-cells = <1>;
> -			#size-cells = <1>;
> -			ranges;
> +		usb_0: usb@8a00000 {
> +			compatible = "qcom,ipq8074-dwc3", "qcom,snps-dwc3";
> +			reg = <0x08a00000 0xfc100>;
>   
>   			clocks = <&gcc GCC_SYS_NOC_USB0_AXI_CLK>,
> -				<&gcc GCC_USB0_MASTER_CLK>,
> -				<&gcc GCC_USB0_SLEEP_CLK>,
> -				<&gcc GCC_USB0_MOCK_UTMI_CLK>;
> +				 <&gcc GCC_USB0_MASTER_CLK>,
> +				 <&gcc GCC_USB0_SLEEP_CLK>,
> +				 <&gcc GCC_USB0_MOCK_UTMI_CLK>;
>   			clock-names = "cfg_noc",
> -				"core",
> -				"sleep",
> -				"mock_utmi";
> +				      "core",
> +				      "sleep",
> +				      "mock_utmi";
>   
>   			assigned-clocks = <&gcc GCC_SYS_NOC_USB0_AXI_CLK>,
>   					  <&gcc GCC_USB0_MASTER_CLK>,
>   					  <&gcc GCC_USB0_MOCK_UTMI_CLK>;
>   			assigned-clock-rates = <133330000>,
> -						<133330000>,
> -						<19200000>;
> +					       <133330000>,
> +					       <19200000>;
>   
> -			interrupts = <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
> +			interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
>   				     <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>,
>   				     <GIC_SPI 220 IRQ_TYPE_LEVEL_HIGH>;
> -			interrupt-names = "pwr_event",
> +			interrupt-names = "dwc_usb3",
> +					  "pwr_event",
>   					  "qusb2_phy",
>   					  "ss_phy_irq";
>   
>   			power-domains = <&gcc USB0_GDSC>;
>   
> +			phys = <&qusb_phy_0>, <&ssphy_0>;
> +			phy-names = "usb2-phy", "usb3-phy";
> +
> +			snps,parkmode-disable-ss-quirk;
> +			snps,is-utmi-l1-suspend;
> +			snps,hird-threshold = /bits/ 8 <0x0>;
> +			snps,dis_u2_susphy_quirk;
> +			snps,dis_u3_susphy_quirk;
> +			dr_mode = "host";
> +

I see this controller is DRD capable. Move this property to platform DTS 
if dr_mode is needed as host.

>   			resets = <&gcc GCC_USB0_BCR>;
> -			status = "disabled";
>   

[...]

> +		usb_1: usb@8c00000 {
> +			compatible = "qcom,ipq8074-dwc3", "qcom,snps-dwc3";
> +			reg = <0x08c00000 0xfc100>;
>   
>   			clocks = <&gcc GCC_SYS_NOC_USB1_AXI_CLK>,
> -				<&gcc GCC_USB1_MASTER_CLK>,
> -				<&gcc GCC_USB1_SLEEP_CLK>,
> -				<&gcc GCC_USB1_MOCK_UTMI_CLK>;
> +				 <&gcc GCC_USB1_MASTER_CLK>,
> +				 <&gcc GCC_USB1_SLEEP_CLK>,
> +				 <&gcc GCC_USB1_MOCK_UTMI_CLK>;
>   			clock-names = "cfg_noc",
> -				"core",
> -				"sleep",
> -				"mock_utmi";
> +				      "core",
> +				      "sleep",
> +				      "mock_utmi";
>   
>   			assigned-clocks = <&gcc GCC_SYS_NOC_USB1_AXI_CLK>,
>   					  <&gcc GCC_USB1_MASTER_CLK>,
>   					  <&gcc GCC_USB1_MOCK_UTMI_CLK>;
>   			assigned-clock-rates = <133330000>,
> -						<133330000>,
> -						<19200000>;
> +					       <133330000>,
> +					       <19200000>;
>   
> -			interrupts = <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>,
> +			interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>,
>   				     <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
>   				     <GIC_SPI 225 IRQ_TYPE_LEVEL_HIGH>;
> -			interrupt-names = "pwr_event",
> +			interrupt-names = "dwc_usb3",
> +					  "pwr_event",
>   					  "qusb2_phy",
>   					  "ss_phy_irq";
>   
>   			power-domains = <&gcc USB1_GDSC>;
>   
> +			phys = <&qusb_phy_1>, <&ssphy_1>;
> +			phy-names = "usb2-phy", "usb3-phy";
> +
> +			snps,parkmode-disable-ss-quirk;
> +			snps,is-utmi-l1-suspend;
> +			snps,hird-threshold = /bits/ 8 <0x0>;
> +			snps,dis_u2_susphy_quirk;
> +			snps,dis_u3_susphy_quirk;
> +			dr_mode = "host";
> +

Same comment as above.

Regards,
Krishna,