Re: [RFC v4 5/5] arm: dts: msm: Add multiport controller node for usb

[Bjorn Andersson]

On Sun, Jan 15, 2023 at 05:11:46PM +0530, Krishna Kurapati wrote:
> Add USB and DWC3 node for teritiary port of SC8280 along
> with multiport IRQ's and phy's.
> 

Very nice.

Please make the subject prefix "arm64: dts: qcom: sc8280xp:", to match
other changes in the sc8280xp.dtsi.

> Signed-off-by: Krishna Kurapati <quic_kriskura@xxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sa8295p-adp.dts | 49 +++++++++++++++++++
>  arch/arm64/boot/dts/qcom/sc8280xp.dtsi   | 60 ++++++++++++++++++++++++
>  2 files changed, 109 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> index 84cb6f3eeb56..f9eb854c3444 100644
> --- a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> +++ b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> @@ -422,6 +422,20 @@ &usb_1_qmpphy {
>  	status = "okay";
>  };
>  
> +&usb_2 {
> +	status = "okay";

Please the status property last in the node.

> +
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&usb2_en_state>,
> +			<&usb3_en_state>,
> +			<&usb4_en_state>,
> +			<&usb5_en_state>;
> +};
> +
> +&usb_2_dwc3 {
> +	dr_mode = "host";
> +};
> +
>  &usb_2_hsphy0 {
>  	vdda-pll-supply = <&vreg_l5a>;
>  	vdda18-supply = <&vreg_l7g>;
> @@ -472,6 +486,41 @@ &xo_board_clk {
>  	clock-frequency = <38400000>;
>  };
>  
> +/* PINCTRL */

No need to repeat this comment, its purpose is to indicate that nodes
above are sorted alphabetically and pinctrl-related nodes are kept here
at the end of the file. Please place your nodes below the existing /*
PINCTRL */ comment below.

Thanks,
Bjorn

> +&pm8450c_gpios {
> +	usb2_en_state: usb2-en-state {
> +		pins = "gpio9";
> +		function = "normal";
> +		output-high;
> +		power-source = <0>;
> +	};
> +};
> +
> +&pm8450e_gpios {
> +	usb3_en_state: usb3-en-state {
> +		pins = "gpio5";
> +		function = "normal";
> +		output-high;
> +		power-source = <0>;
> +	};
> +};
> +
> +&pm8450g_gpios {
> +	usb4_en_state: usb4-en-state {
> +		pins = "gpio5";
> +		function = "normal";
> +		output-high;
> +		power-source = <0>;
> +	};
> +
> +	usb5_en_state: usb5-en-state {
> +		pins = "gpio9";
> +		function = "normal";
> +		output-high;
> +		power-source = <0>;
> +	};
> +};
> +
>  /* PINCTRL */
>  
>  &tlmm {
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> index 109c9d2b684d..e9866ab5c6e2 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> @@ -1969,6 +1969,66 @@ usb_1_dwc3: usb@a800000 {
>  			};
>  		};
>  
> +		usb_2: usb@a4f8800 {
> +			compatible = "qcom,sc8280xp-dwc3", "qcom,dwc3";
> +			reg = <0 0x0a4f8800 0 0x400>;
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +
> +			clocks = <&gcc GCC_CFG_NOC_USB3_MP_AXI_CLK>,
> +				 <&gcc GCC_USB30_MP_MASTER_CLK>,
> +				 <&gcc GCC_AGGRE_USB3_MP_AXI_CLK>,
> +				 <&gcc GCC_USB30_MP_SLEEP_CLK>,
> +				 <&gcc GCC_USB30_MP_MOCK_UTMI_CLK>,
> +				 <&gcc GCC_AGGRE_USB_NOC_AXI_CLK>,
> +				 <&gcc GCC_AGGRE_USB_NOC_NORTH_AXI_CLK>,
> +				 <&gcc GCC_AGGRE_USB_NOC_SOUTH_AXI_CLK>,
> +				 <&gcc GCC_SYS_NOC_USB_AXI_CLK>;
> +			clock-names = "cfg_noc", "core", "iface", "sleep", "mock_utmi",
> +				      "noc_aggr", "noc_aggr_north", "noc_aggr_south", "noc_sys";
> +
> +			assigned-clocks = <&gcc GCC_USB30_MP_MOCK_UTMI_CLK>,
> +					  <&gcc GCC_USB30_MP_MASTER_CLK>;
> +			assigned-clock-rates = <19200000>, <200000000>;
> +
> +			interrupts-extended = <&pdc 127 IRQ_TYPE_EDGE_RISING>,
> +						<&pdc 126 IRQ_TYPE_EDGE_RISING>,
> +						<&pdc 16 IRQ_TYPE_LEVEL_HIGH>;
> +
> +			interrupt-names = "dp_hs_phy_irq", "dm_hs_phy_irq",
> +						"ss_phy_irq";
> +
> +			power-domains = <&gcc USB30_MP_GDSC>;
> +
> +			resets = <&gcc GCC_USB30_MP_BCR>;
> +
> +			interconnects = <&aggre1_noc MASTER_USB3_1 0 &mc_virt SLAVE_EBI1 0>,
> +					<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3_1 0>;
> +			interconnect-names = "usb-ddr", "apps-usb";
> +
> +			required-opps = <&rpmhpd_opp_nom>;
> +
> +			status = "disabled";
> +
> +			usb_2_dwc3: usb@a400000 {
> +				compatible = "snps,dwc3";
> +				reg = <0 0x0a400000 0 0xcd00>;
> +				interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
> +				iommus = <&apps_smmu 0x800 0x0>;
> +				num-ports = <4>;
> +				num-ss-ports = <2>;
> +				phys = <&usb_2_hsphy0>, <&usb_2_qmpphy0>,
> +					<&usb_2_hsphy1>, <&usb_2_qmpphy1>,
> +					<&usb_2_hsphy2>,
> +					<&usb_2_hsphy3>;
> +				phy-names = "usb2-phy_port0", "usb3-phy_port0",
> +						"usb2-phy_port1", "usb3-phy_port1",
> +						"usb2-phy_port2",
> +						"usb2-phy_port3";
> +			};
> +		};
> +
>  		pdc: interrupt-controller@b220000 {
>  			compatible = "qcom,sc8280xp-pdc", "qcom,pdc";
>  			reg = <0 0x0b220000 0 0x30000>, <0 0x17c000f0 0 0x60>;
> -- 
> 2.39.0
>