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

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Date:   Thu, 13 Jul 2023 09:44:40 +0530
From:   Varadarajan Narayanan <quic_varada@...cinc.com>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <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 Wed, Jul 12, 2023 at 03:28:43PM +0300, Dmitry Baryshkov wrote:
> On 12/07/2023 15:04, Krzysztof Kozlowski wrote:
> >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?
>
> Just to emphasise, it's the node name `usb2', which is not fine. DT label
> `usb2' is (hopefully) fine.

Thanks for the clarification. Will post a new patch.

-Varada