linux-kernel - Re: [PATCH 7/8] arm64: dts: qcom: ipq9574: Add USB related nodes

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Date:   Fri, 3 Mar 2023 15:22:58 +0530
From:   Varadarajan Narayanan <quic_varada@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
CC:     <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 7/8] arm64: dts: qcom: ipq9574: Add USB related nodes


On 3/3/2023 1:09 PM, Krzysztof Kozlowski wrote:
> On 02/03/2023 10:55, Varadarajan Narayanan wrote:
>> Add USB phy and controller related nodes
>>
>> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/ipq9574.dtsi | 92 +++++++++++++++++++++++++++++++++++
>>   1 file changed, 92 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>> index 2bb4053..319b5bd 100644
>> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
>> @@ -215,6 +215,98 @@
>>   		#size-cells = <1>;
>>   		ranges = <0 0 0 0xffffffff>;
>>   
>> +		ssphy_0: ssphy@...00 {
> Node names should be generic.
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>
> Does not look like you tested the DTS against bindings. Please run `make
> dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
> for instructions).
>
>> +			compatible = "qcom,ipq9574-qmp-usb3-phy";
>> +			reg = <0x7D000 0x1C4>;
>> +			#clock-cells = <1>;
>> +			#address-cells = <1>;
>> +			#size-cells = <1>;
>> +			ranges;
>> +
>> +			clocks = <&gcc GCC_USB0_AUX_CLK>,
>> +				 <&gcc GCC_USB0_PHY_CFG_AHB_CLK>;
>> +			clock-names = "aux", "cfg_ahb";
>> +
>> +			resets =  <&gcc GCC_USB0_PHY_BCR>,
>> +				 <&gcc GCC_USB3PHY_0_PHY_BCR>;
>> +			reset-names = "phy","common";
>> +			status = "disabled";
>> +
>> +			usb0_ssphy: lane@...00 {
>> +				reg = <0x0007D200 0x130>,	/* Tx */
>> +				      <0x0007D400 0x200>,	/* Rx */
>> +				      <0x0007D800 0x1F8>,	/* PCS  */
>> +				      <0x0007D600 0x044>;	/* PCS misc */
>> +				#phy-cells = <0>;
>> +				clocks = <&gcc GCC_USB0_PIPE_CLK>;
>> +				clock-names = "pipe0";
>> +				clock-output-names = "gcc_usb0_pipe_clk_src";
>> +			};
>> +		};
>> +
>> +		qusb_phy_0: qusb@...00 {
> Node names should be generic.
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>
> Does not look like you tested the DTS against bindings. Please run `make
> dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
> for instructions).
>
>> +			compatible = "qcom,ipq9574-qusb2-phy";
>> +			reg = <0x07B000 0x180>;
> Lowercase hex everywhere.
>
>> +			#phy-cells = <0>;
>> +
>> +			clocks = <&gcc GCC_USB0_PHY_CFG_AHB_CLK>,
>> +				<&xo_board_clk>;
>> +			clock-names = "cfg_ahb", "ref";
>> +
>> +			resets = <&gcc GCC_QUSB2_0_PHY_BCR>;
>> +			status = "disabled";
>> +		};
>> +
>> +		usb3: usb3@...0000 {
> Node names should be generic.
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>
> Does not look like you tested the DTS against bindings. Please run `make
> dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
> for instructions).
>
>> +			compatible = "qcom,dwc3";
>> +			reg = <0x8AF8800 0x400>;
>> +			#address-cells = <1>;
>> +			#size-cells = <1>;
>> +			ranges;
>> +
>> +			clocks = <&gcc GCC_SNOC_USB_CLK>,
>> +				<&gcc GCC_ANOC_USB_AXI_CLK>,
>> +				<&gcc GCC_USB0_MASTER_CLK>,
>> +				<&gcc GCC_USB0_SLEEP_CLK>,
>> +				<&gcc GCC_USB0_MOCK_UTMI_CLK>;
>> +
>> +			clock-names = "sys_noc_axi",
>> +				"anoc_axi",
>> +				"master",
>> +				"sleep",
>> +				"mock_utmi";
>> +
>> +			assigned-clocks = <&gcc GCC_SNOC_USB_CLK>,
>> +					  <&gcc GCC_ANOC_USB_AXI_CLK>,
>> +					  <&gcc GCC_USB0_MASTER_CLK>,
>> +					  <&gcc GCC_USB0_MOCK_UTMI_CLK>;
>> +			assigned-clock-rates = <200000000>,
>> +					       <200000000>,
>> +					       <200000000>,
>> +					       <24000000>;
>> +
>> +			resets = <&gcc GCC_USB_BCR>;
>> +			status = "disabled";
>> +
>> +			dwc_0: dwc3@...0000 {
> Node names should be generic.
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>
> Does not look like you tested the DTS against bindings. Please run `make
> dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
> for instructions).
>
>
> Best regards,
> Krzysztof
>
Sorry. Will rectify and post a new version.

Thank

Varada