linux-kernel - Re: [PATCH V2 3/4] arm64: dts: qcom: ipq5018: Add USB related nodes

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Message-ID: <bbb42f12-fcb5-ade6-ab67-60a4cdb29c43@quicinc.com>
Date:   Thu, 31 Aug 2023 08:40:48 +0530
From:   Nitheesh Sekar <quic_nsekar@...cinc.com>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC:     <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>, <quic_srichara@...cinc.com>,
        <quic_varada@...cinc.com>, <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>,
        Amandeep Singh <quic_amansing@...cinc.com>
Subject: Re: [PATCH V2 3/4] arm64: dts: qcom: ipq5018: Add USB related nodes


On 8/31/2023 1:13 AM, Dmitry Baryshkov wrote:
> On Wed, 30 Aug 2023 at 21:30, Nitheesh Sekar <quic_nsekar@...cinc.com> wrote:
>> Add USB phy and controller nodes.
>>
>> Co-developed-by: Amandeep Singh <quic_amansing@...cinc.com>
>> Signed-off-by: Amandeep Singh <quic_amansing@...cinc.com>
>> Signed-off-by: Nitheesh Sekar <quic_nsekar@...cinc.com>
>> ---
>> V2:
>>          Fix ordering of the USB related nodes and use
>>          generic node names.
>> ---
>>   arch/arm64/boot/dts/qcom/ipq5018.dtsi | 54 +++++++++++++++++++++++++++
>>   1 file changed, 54 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/ipq5018.dtsi b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
>> index 9f13d2dcdfd5..917e4a2d8e64 100644
>> --- a/arch/arm64/boot/dts/qcom/ipq5018.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
>> @@ -93,6 +93,19 @@
>>                  #size-cells = <1>;
>>                  ranges = <0 0 0 0xffffffff>;
>>
>> +               usbphy0: phy@...00 {
>> +                       compatible = "qcom,ipq5018-usb-hsphy";
>> +                       reg = <0x0005b000 0x120>;
>> +
>> +                       clocks = <&gcc GCC_USB0_PHY_CFG_AHB_CLK>;
>> +
>> +                       resets = <&gcc GCC_QUSB2_0_PHY_BCR>;
>> +
>> +                       #phy-cells = <0>;
>> +
>> +                       status = "disabled";
>> +               };
>> +
>>                  tlmm: pinctrl@...0000 {
>>                          compatible = "qcom,ipq5018-tlmm";
>>                          reg = <0x01000000 0x300000>;
>> @@ -155,6 +168,47 @@
>>                          status = "disabled";
>>                  };
>>
>> +               usb: usb@...8800 {
>> +                       compatible = "qcom,ipq5018-dwc3", "qcom,dwc3";
>> +                       reg = <0x08af8800 0x400>;
>> +
>> +                       interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
>> +                       interrupt-names = "hs_phy_irq";
>> +
>> +                       clocks = <&gcc GCC_USB0_MASTER_CLK>,
>> +                                <&gcc GCC_SYS_NOC_USB0_AXI_CLK>,
>> +                                <&gcc GCC_USB0_SLEEP_CLK>,
>> +                                <&gcc GCC_USB0_MOCK_UTMI_CLK>;
>> +                       clock-names = "core",
>> +                                     "iface",
>> +                                     "sleep",
>> +                                     "mock_utmi";
>> +
>> +                       resets = <&gcc GCC_USB0_BCR>;
>> +
>> +                       qcom,select-utmi-as-pipe-clk;
>> +                       #address-cells = <1>;
>> +                       #size-cells = <1>;
>> +                       ranges;
>> +
>> +                       status = "disabled";
>> +
>> +                       usb2_0_dwc: usb@...0000 {
> As we have seen from the next patchset, this host supports USB 3.0.
> Can you please drop the 2_0 part of the label?
Sure. Will drop "2_0".

Regards,
Nitheesh