[PATCH v1 6/6] arm64: dts: qcom: Add USB controller and phy nodes for IPQ5424

[Krishna Kurapati]

On 11/12/2024 2:43 PM, Varadarajan Narayanan wrote:
> The IPQ5424 SoC has both USB2.0 and USB3.0 controllers. The USB3.0
> can connect to either of USB2.0 or USB3.0 phy and operate in the
> respective mode.
> 
> Signed-off-by: Varadarajan Narayanan <quic_varada at quicinc.com>
> ---
>   arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts |  67 +++++++++
>   arch/arm64/boot/dts/qcom/ipq5424.dtsi       | 153 ++++++++++++++++++++
>   2 files changed, 220 insertions(+)
> 

[...]

> diff --git a/arch/arm64/boot/dts/qcom/ipq5424.dtsi b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
> index 5e219f900412..d8c045a311c2 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5424.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
> @@ -233,6 +233,159 @@ intc: interrupt-controller at f200000 {
>   			msi-controller;
>   		};
>   
> +		qusb_phy_1: phy at 71000 {
> +			compatible = "qcom,ipq5424-qusb2-phy";
> +			reg = <0 0x00071000 0 0x180>;
> +			#phy-cells = <0>;
> +
> +			clocks = <&gcc GCC_USB1_PHY_CFG_AHB_CLK>,
> +				<&xo_board>;
> +			clock-names = "cfg_ahb", "ref";
> +
> +			resets = <&gcc GCC_QUSB2_1_PHY_BCR>;
> +			status = "disabled";
> +		};
> +
> +		usb2: usb2 at 1e00000 {
> +			compatible = "qcom,ipq5424-dwc3", "qcom,dwc3";
> +			reg = <0 0x01ef8800 0 0x400>;
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +
> +			clocks = <&gcc GCC_USB1_MASTER_CLK>,
> +				 <&gcc GCC_USB1_SLEEP_CLK>,
> +				 <&gcc GCC_USB1_MOCK_UTMI_CLK>,
> +				 <&gcc GCC_USB1_PHY_CFG_AHB_CLK>,
> +				 <&gcc GCC_CNOC_USB_CLK>;
> +
> +			clock-names = "core",
> +				      "sleep",
> +				      "mock_utmi",
> +				      "iface",
> +				      "cfg_noc";
> +
> +			assigned-clocks = <&gcc GCC_USB1_MASTER_CLK>,
> +					  <&gcc GCC_USB1_MOCK_UTMI_CLK>;
> +			assigned-clock-rates = <200000000>,
> +					       <24000000>; > +

Shouldn't this be 19.2MHz ?

> +			interrupts-extended = <&intc GIC_SPI 395 IRQ_TYPE_LEVEL_HIGH>,
> +					      <&intc GIC_SPI 397 IRQ_TYPE_LEVEL_HIGH>,
> +					      <&intc GIC_SPI 387 IRQ_TYPE_LEVEL_HIGH>,
> +					      <&intc GIC_SPI 388 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "pwr_event",
> +					  "qusb2_phy",
> +					  "dm_hs_phy_irq",
> +					  "dp_hs_phy_irq";
> +

Please check the hs_phy_irq as well and add it if its present.

> +			resets = <&gcc GCC_USB1_BCR>;
> +			qcom,select-utmi-as-pipe-clk;
> +			status = "disabled";
> +
> +			dwc_1: usb at 1e00000 {
> +				compatible = "snps,dwc3";
> +				reg = <0 0x01e00000 0 0xe000>;
> +				clocks = <&gcc GCC_USB1_MOCK_UTMI_CLK>;
> +				clock-names = "ref";

Another clock in dwc3 node ?

> +				interrupts = <GIC_SPI 396 IRQ_TYPE_LEVEL_HIGH>;
> +				phys = <&qusb_phy_1>;
> +				phy-names = "usb2-phy";
> +				tx-fifo-resize;
> +				snps,is-utmi-l1-suspend;
> +				snps,hird-threshold = /bits/ 8 <0x0>;
> +				snps,dis_u2_susphy_quirk;
> +				snps,dis_u3_susphy_quirk;
> +			};
> +		};
> +
> +		qusb_phy_0: phy at 7b000 {
> +			compatible = "qcom,ipq5424-qusb2-phy";
> +			reg = <0 0x0007b000 0 0x180>;
> +			#phy-cells = <0>;
> +
> +			clocks = <&gcc GCC_USB0_PHY_CFG_AHB_CLK>,
> +				<&xo_board>;
> +			clock-names = "cfg_ahb", "ref";
> +
> +			resets = <&gcc GCC_QUSB2_0_PHY_BCR>;
> +			status = "disabled";
> +		};
> +
> +		ssphy_0: phy at 7d000 {
> +			compatible = "qcom,ipq5424-qmp-usb3-phy";
> +			reg = <0 0x0007d000 0 0xa00>;
> +			#phy-cells = <0>;
> +
> +			clocks = <&gcc GCC_USB0_AUX_CLK>,
> +				 <&xo_board>,
> +				 <&gcc GCC_USB0_PHY_CFG_AHB_CLK>,
> +				 <&gcc GCC_USB0_PIPE_CLK>;
> +			clock-names = "aux",
> +				      "ref",
> +				      "cfg_ahb",
> +				      "pipe";
> +
> +			resets = <&gcc GCC_USB0_PHY_BCR>,
> +				 <&gcc GCC_USB3PHY_0_PHY_BCR>;
> +			reset-names = "phy",
> +				      "phy_phy";
> +
> +			#clock-cells = <0>;
> +			clock-output-names = "usb0_pipe_clk";
> +
> +			status = "disabled";
> +		};
> +
> +		usb3: usb3 at 8a00000 {
> +			compatible = "qcom,ipq5424-dwc3", "qcom,dwc3";
> +			reg = <0 0x08af8800 0 0x400>;
> +
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +
> +			clocks = <&gcc GCC_USB0_MASTER_CLK>,
> +				 <&gcc GCC_USB0_SLEEP_CLK>,
> +				 <&gcc GCC_USB0_MOCK_UTMI_CLK>,
> +				 <&gcc GCC_USB0_PHY_CFG_AHB_CLK>,
> +				 <&gcc GCC_CNOC_USB_CLK>;
> +
> +			clock-names = "core",
> +				      "sleep",
> +				      "mock_utmi",
> +				      "iface",
> +				      "cfg_noc";
> +
> +			assigned-clocks = <&gcc GCC_USB0_MASTER_CLK>,
> +					  <&gcc GCC_USB0_MOCK_UTMI_CLK>;
> +			assigned-clock-rates = <200000000>,
> +					       <24000000>;
> +

same comment as above, isn't this supposed to be 19.2MHz ?

> +			interrupts-extended = <&intc GIC_SPI 412 IRQ_TYPE_LEVEL_HIGH>,
> +					      <&intc GIC_SPI 414 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "pwr_event",
> +					  "qusb2_phy";
> +

DP/ DM interrupts ?

> +			resets = <&gcc GCC_USB_BCR>;
> +			status = "disabled";
> +
> +			dwc_0: usb at 8a00000 {
> +				compatible = "snps,dwc3";
> +				reg = <0 0x08a00000 0 0xcd00>;
> +				clocks = <&gcc GCC_USB0_MOCK_UTMI_CLK>;
> +				clock-names = "ref";
> +				interrupts = <GIC_SPI 409 IRQ_TYPE_LEVEL_HIGH>;
> +				phys = <&qusb_phy_0>, <&ssphy_0>;
> +				phy-names = "usb2-phy", "usb3-phy";
> +				tx-fifo-resize;
> +				snps,is-utmi-l1-suspend;
> +				snps,hird-threshold = /bits/ 8 <0x0>;
> +				snps,dis_u2_susphy_quirk;
> +				snps,dis_u3_susphy_quirk;

Disable u1/u2 entry as well please.

Regards,
Krishna,

> +			};
> +		};
> +
>   		timer at f420000 {
>   			compatible = "arm,armv7-timer-mem";
>   			reg = <0 0xf420000 0 0x1000>;