Re: [PATCH 3/3] arm64: dts: qcom: sm6115: Add USB SS qmp phy node

From: Bhupesh Sharma
Date: Tue Dec 13 2022 - 23:43:34 EST


On Wed, 14 Dec 2022 at 03:48, Dmitry Baryshkov
<dmitry.baryshkov@xxxxxxxxxx> wrote:
>
>
>
> On 13 December 2022 14:49:05 EET, Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> wrote:
> >
> >
> >On 13.12.2022 13:38, Bhupesh Sharma wrote:
> >> Add USB superspeed qmp phy node to dtsi.
> >>
> >> Signed-off-by: Bhupesh Sharma <bhupesh.sharma@xxxxxxxxxx>
> >> ---
> >Please run make dtbs_check before sending dt patches, this one
> >introduces new errors.
> >
> >
> >> arch/arm64/boot/dts/qcom/sm6115.dtsi | 38 ++++++++++++++++++++++++++--
> >> 1 file changed, 36 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/arch/arm64/boot/dts/qcom/sm6115.dtsi b/arch/arm64/boot/dts/qcom/sm6115.dtsi
> >> index e4ce135264f3d..9c5c024919f92 100644
> >> --- a/arch/arm64/boot/dts/qcom/sm6115.dtsi
> >> +++ b/arch/arm64/boot/dts/qcom/sm6115.dtsi
> >> @@ -579,6 +579,40 @@ usb_hsphy: phy@1613000 {
> >> status = "disabled";
> >> };
> >>
> >> + usb_qmpphy: phy@1615000 {
> >> + compatible = "qcom,sm6115-qmp-usb3-phy";
> >> + reg = <0x01615000 0x200>;
> >> + #clock-cells = <1>;
> >> + #address-cells = <1>;
> >> + #size-cells = <1>;
> >> + ranges;
> >These -cells and ranges properties could go after status=disabled
> >
> >Konrad
> >> + clocks = <&gcc GCC_USB3_PRIM_PHY_COM_AUX_CLK>,
> >> + <&gcc GCC_USB3_PRIM_CLKREF_CLK>,
> >> + <&gcc GCC_AHB2PHY_USB_CLK>;
> >> + clock-names = "com_aux",
> >> + "ref",
> >> + "cfg_ahb";
> >> + resets = <&gcc GCC_USB3_PHY_PRIM_SP0_BCR>,
> >> + <&gcc GCC_USB3PHY_PHY_PRIM_SP0_BCR>;
> >> + reset-names = "phy", "phy_phy";
> >> + status = "disabled";
> >> +
> >> + usb_ssphy: phy@1615200 {
>
> We should not introduce additional qmp-with-child PHY nodes.

Not sure I understand your point. Is there some recent change (being
discussed) regarding the same?

Thanks,
Bhupesh

>
> >> + reg = <0x01615200 0x200>,
> >> + <0x01615400 0x200>,
> >> + <0x01615c00 0x400>,
> >> + <0x01615600 0x200>,
> >> + <0x01615800 0x200>,
> >> + <0x01615a00 0x100>;
> >> + #phy-cells = <0>;
> >> + #clock-cells = <1>;
> >> + clocks = <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
> >> + clock-names = "pipe0";
> >> + clock-output-names = "usb3_phy_pipe_clk_src";
> >> + };
> >> + };
> >> +
> >> +
> >> qfprom@1b40000 {
> >> compatible = "qcom,sm6115-qfprom", "qcom,qfprom";
> >> reg = <0x01b40000 0x7000>;
> >> @@ -1023,8 +1057,8 @@ usb_dwc3: usb@4e00000 {
> >> compatible = "snps,dwc3";
> >> reg = <0x04e00000 0xcd00>;
> >> interrupts = <GIC_SPI 255 IRQ_TYPE_LEVEL_HIGH>;
> >> - phys = <&usb_hsphy>;
> >> - phy-names = "usb2-phy";
> >> + phys = <&usb_hsphy>, <&usb_ssphy>;
> >> + phy-names = "usb2-phy", "usb3-phy";
> >> iommus = <&apps_smmu 0x120 0x0>;
> >> snps,dis_u2_susphy_quirk;
> >> snps,dis_enblslpm_quirk;
>
> --
> With best wishes
> Dmitry