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

[Krishna Kurapati PSSNV <quic_kriskura@quicinc.com>]

On 1/18/2023 11:58 PM, Bjorn Andersson wrote:
> 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@quicinc.com>
>> ---
>>   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
>>

Hi Bjorn,

  Thanks for the review. Will make sure to incorporate these changes in 
the next version.

Regards,
Krishna,