[PATCH v2 6/9] arm64: dts: qcom: sc7280: switch USB+DP QMP PHY to new style of bindings

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Mon Mar 27 03:19:16 PDT 2023


On 27/03/2023 11:12, Neil Armstrong wrote:
> On 26/03/2023 01:57, Dmitry Baryshkov wrote:
>> Change the USB QMP PHY to use newer style of QMP PHY bindings (single
>> resource region, no per-PHY subnodes).
>>
>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
>> ---
>>   arch/arm64/boot/dts/qcom/sc7280.dtsi | 57 +++++++++-------------------
>>   1 file changed, 18 insertions(+), 39 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi 
>> b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> index 5e6f9f441f1a..887c490bdd14 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> @@ -18,6 +18,7 @@
>>   #include <dt-bindings/interconnect/qcom,sc7280.h>
>>   #include <dt-bindings/interrupt-controller/arm-gic.h>
>>   #include <dt-bindings/mailbox/qcom-ipcc.h>
>> +#include <dt-bindings/phy/phy-qcom-qmp.h>
>>   #include <dt-bindings/power/qcom-rpmpd.h>
>>   #include <dt-bindings/reset/qcom,sdm845-aoss.h>
>>   #include <dt-bindings/reset/qcom,sdm845-pdc.h>
>> @@ -3327,49 +3328,26 @@ usb_2_hsphy: phy at 88e4000 {
>>               resets = <&gcc GCC_QUSB2PHY_SEC_BCR>;
>>           };
>> -        usb_1_qmpphy: phy-wrapper at 88e9000 {
>> -            compatible = "qcom,sc7280-qmp-usb3-dp-phy",
>> -                     "qcom,sm8250-qmp-usb3-dp-phy";
>> -            reg = <0 0x088e9000 0 0x200>,
>> -                  <0 0x088e8000 0 0x40>,
>> -                  <0 0x088ea000 0 0x200>;
>> +        usb_1_qmpphy: phy at 88e8000 {
>> +            compatible = "qcom,sc7280-qmp-usb3-dp-phy";
>> +            reg = <0 0x088e8000 0 0x3000>;
>>               status = "disabled";
>> -            #address-cells = <2>;
>> -            #size-cells = <2>;
>> -            ranges;
>>               clocks = <&gcc GCC_USB3_PRIM_PHY_AUX_CLK>,
>>                    <&rpmhcc RPMH_CXO_CLK>,
>> -                 <&gcc GCC_USB3_PRIM_PHY_COM_AUX_CLK>;
>> -            clock-names = "aux", "ref_clk_src", "com_aux";
>> +                 <&gcc GCC_USB3_PRIM_PHY_COM_AUX_CLK>,
>> +                 <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
>> +            clock-names = "aux",
>> +                      "ref",
>> +                      "com_aux",
>> +                      "usb3_pipe";
>>               resets = <&gcc GCC_USB3_DP_PHY_PRIM_BCR>,
>>                    <&gcc GCC_USB3_PHY_PRIM_BCR>;
>>               reset-names = "phy", "common";
>> -            usb_1_ssphy: usb3-phy at 88e9200 {
>> -                reg = <0 0x088e9200 0 0x200>,
>> -                      <0 0x088e9400 0 0x200>,
>> -                      <0 0x088e9c00 0 0x400>,
>> -                      <0 0x088e9600 0 0x200>,
>> -                      <0 0x088e9800 0 0x200>,
>> -                      <0 0x088e9a00 0 0x100>;
>> -                #clock-cells = <0>;
>> -                #phy-cells = <0>;
>> -                clocks = <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
>> -                clock-names = "pipe0";
>> -                clock-output-names = "usb3_phy_pipe_clk_src";
>> -            };
>> -
>> -            dp_phy: dp-phy at 88ea200 {
>> -                reg = <0 0x088ea200 0 0x200>,
>> -                      <0 0x088ea400 0 0x200>,
>> -                      <0 0x088eaa00 0 0x200>,
>> -                      <0 0x088ea600 0 0x200>,
>> -                      <0 0x088ea800 0 0x200>;
>> -                #phy-cells = <0>;
>> -                #clock-cells = <1>;
>> -            };
>> +            #clock-cells = <1>;
>> +            #phy-cells = <1>;
>>           };
>>           usb_2: usb at 8cf8800 {
>> @@ -3694,7 +3672,7 @@ usb_1_dwc3: usb at a600000 {
>>                   iommus = <&apps_smmu 0xe0 0x0>;
>>                   snps,dis_u2_susphy_quirk;
>>                   snps,dis_enblslpm_quirk;
>> -                phys = <&usb_1_hsphy>, <&usb_1_ssphy>;
>> +                phys = <&usb_1_hsphy>, <&usb_1_qmpphy 
>> QMP_USB43DP_USB3_PHY>;
>>                   phy-names = "usb2-phy", "usb3-phy";
>>                   maximum-speed = "super-speed";
>>               };
>> @@ -3799,8 +3777,8 @@ dispcc: clock-controller at af00000 {
>>                    <&gcc GCC_DISP_GPLL0_CLK_SRC>,
>>                    <&mdss_dsi_phy 0>,
>>                    <&mdss_dsi_phy 1>,
>> -                 <&dp_phy 0>,
>> -                 <&dp_phy 1>,
>> +                 <&usb_1_qmpphy QMP_USB43DP_DP_LINK_CLK>,
>> +                 <&usb_1_qmpphy QMP_USB43DP_DP_VCO_DIV_CLK>,
>>                    <&mdss_edp_phy 0>,
>>                    <&mdss_edp_phy 1>;
> 
> The gcc usb3_phy_wrapper_gcc_usb30_pipe_clk entry is missing, it was 
> already missing with legacy bindings.

Point noted, it should probably go into a separate change.

> 
> Neil
> 
>>               clock-names = "bi_tcxo",
>> @@ -4138,8 +4116,9 @@ mdss_dp: displayport-controller at ae90000 {
>>                           "stream_pixel";
>>                   assigned-clocks = <&dispcc 
>> DISP_CC_MDSS_DP_LINK_CLK_SRC>,
>>                             <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK_SRC>;
>> -                assigned-clock-parents = <&dp_phy 0>, <&dp_phy 1>;
>> -                phys = <&dp_phy>;
>> +                assigned-clock-parents = <&usb_1_qmpphy 
>> QMP_USB43DP_DP_LINK_CLK>,
>> +                             <&usb_1_qmpphy QMP_USB43DP_DP_VCO_DIV_CLK>;
>> +                phys = <&usb_1_qmpphy QMP_USB43DP_DP_PHY>;
>>                   phy-names = "dp";
>>                   operating-points-v2 = <&dp_opp_table>;
> 

-- 
With best wishes
Dmitry




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