linux-kernel - Re: [PATCH v4 4/6] arm64: dts: qcom: ipq5332: Add USB related nodes

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Date:   Wed, 12 Jul 2023 14:04:28 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Varadarajan Narayanan <quic_varada@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, konrad.dybcio@...aro.org, vkoul@...nel.org,
        kishon@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        gregkh@...uxfoundation.org, catalin.marinas@....com,
        will@...nel.org, p.zabel@...gutronix.de, arnd@...db.de,
        geert+renesas@...der.be, neil.armstrong@...aro.org,
        nfraprado@...labora.com, rafal@...ecki.pl,
        quic_srichara@...cinc.com, quic_varada@...cinc.org,
        quic_wcheng@...cinc.com, linux-arm-msm@...r.kernel.org,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 4/6] arm64: dts: qcom: ipq5332: Add USB related nodes

On 12/07/2023 13:38, Varadarajan Narayanan wrote:
> Add USB phy and controller nodes.
> 
> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> ---
> v4:
> 	Change node name
> 	Remove blank line
> 	'make CHECK_DTBS=y DT_SCHEMA_FILES=qcom qcom/ipq5332-rdp441.dtb' passed
> v1:
> 	Rename phy node
> 	Change compatible from m31,ipq5332-usb-hsphy -> qcom,ipq5332-usb-hsphy
> 	Remove 'qscratch' from phy node
> 	Fix alignment and upper-case hex no.s
> 	Add clock definition for the phy
> 	Remove snps,ref-clock-period-ns as it is not used. dwc3_ref_clk_period()
> 	in dwc3/core.c takes the frequency from ref clock and calculates fladj
> 	as appropriate.
> ---
>  arch/arm64/boot/dts/qcom/ipq5332.dtsi | 53 +++++++++++++++++++++++++++++++++++
>  1 file changed, 53 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq5332.dtsi b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> index 8bfc2db..8118356 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> @@ -405,6 +405,59 @@
>  				status = "disabled";
>  			};
>  		};
> +
> +		usbphy0: usb-phy@...00 {
> +			compatible = "qcom,ipq5332-usb-hsphy";
> +			reg = <0x0007b000 0x12c>;
> +
> +			clocks = <&gcc GCC_USB0_PHY_CFG_AHB_CLK>;
> +			clock-names = "cfg_ahb";
> +
> +			resets = <&gcc GCC_QUSB2_0_PHY_BCR>;
> +
> +			status = "disabled";
> +		};
> +
> +		usb2: usb2@...0000 {

So you responded to my comments, wait ten minutes and send v2? No need
to wait for my feedback, right?

No, it's not ok. This is "usb", not "usb2". Are you saying you have
second device with the same address?

Best regards,
Krzysztof