[PATCH v2 15/15] arm64: dts: qcom: qrb4210-rb2: enable USB-C port handling

[Dmitry Baryshkov]

On Tue, 23 Jan 2024 at 22:32, Luca Weiss <luca.weiss at fairphone.com> wrote:
>
> On Sat Jan 13, 2024 at 9:55 PM CET, Dmitry Baryshkov wrote:
> > Plug in USB-C related bits and pieces to enable USB role switching and
> > USB-C orientation handling for the Qualcomm RB2 board.
> >
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> > ---
> >  arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 50 ++++++++++++++++++++++++++++++++
> >  arch/arm64/boot/dts/qcom/sm6115.dtsi     | 43 +++++++++++++++++++++++++++
> >  2 files changed, 93 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
> > index 52f31f3166c2..696d6d43c56b 100644
> > --- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
> > +++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
> > @@ -6,8 +6,10 @@
> >  /dts-v1/;
> >
> >  #include <dt-bindings/leds/common.h>
> > +#include <dt-bindings/usb/pd.h>
> >  #include "sm4250.dtsi"
> >  #include "pm6125.dtsi"
> > +#include "pmi632.dtsi"
> >
> >  / {
> >       model = "Qualcomm Technologies, Inc. QRB4210 RB2";
> > @@ -256,6 +258,46 @@ kypd_vol_up_n: kypd-vol-up-n-state {
> >       };
> >  };
> >
> > +&pmi632_typec {
> > +     status = "okay";
> > +
> > +     connector {
> > +             compatible = "usb-c-connector";
> > +
> > +             power-role = "dual";
> > +             data-role = "dual";
> > +             self-powered;
> > +
> > +             typec-power-opmode = "default";
> > +             pd-disable;
> > +
> > +             ports {
> > +                     #address-cells = <1>;
> > +                     #size-cells = <0>;
> > +
> > +                     port at 0 {
> > +                             reg = <0>;
> > +                             pmi632_hs_in: endpoint {
> > +                                     remote-endpoint = <&usb_dwc3_hs>;
> > +                             };
> > +                     };
> > +
> > +                     port at 1 {
> > +                             reg = <1>;
> > +                             pmi632_ss_in: endpoint {
> > +                                     remote-endpoint = <&usb_qmpphy_out>;
> > +                             };
> > +                     };
> > +             };
> > +     };
> > +};
> > +
> > +&pmi632_vbus {
> > +     regulator-min-microamp = <500000>;
> > +     regulator-max-microamp = <3000000>;
>
> Hi Dmitry,
>
> Are you sure vbus can supply 3000mA?
>
> In Qualcomm's document 80-PF208-77 I see 1000mA is the maximum it can
> provide, and I see the same value looking into downstream smb5 driver
> in sdm632 sources.

Indeed, you are correct here. It seems I confused vbus current with
charge current

>
> https://gerrit-public.fairphone.software/plugins/gitiles/kernel/msm-4.9/+/refs/heads/int/13/fp3/drivers/power/supply/qcom/qpnp-smb5.c#414
>
> Regards
> Luca
>
> > +     status = "okay";
> > +};
> > +
> >  &pon_pwrkey {
> >       status = "okay";
> >  };
> > @@ -607,6 +649,10 @@ &usb {
> >       status = "okay";
> >  };
> >
> > +&usb_dwc3_hs {
> > +     remote-endpoint = <&pmi632_hs_in>;
> > +};
> > +
> >  &usb_hsphy {
> >       vdd-supply = <&vreg_l4a_0p9>;
> >       vdda-pll-supply = <&vreg_l12a_1p8>;
> > @@ -622,6 +668,10 @@ &usb_qmpphy {
> >       status = "okay";
> >  };
> >
> > +&usb_qmpphy_out {
> > +     remote-endpoint = <&pmi632_ss_in>;
> > +};
> > +
> >  &wifi {
> >       vdd-0.8-cx-mx-supply = <&vreg_l8a_0p664>;
> >       vdd-1.8-xo-supply = <&vreg_l16a_1p3>;
> > diff --git a/arch/arm64/boot/dts/qcom/sm6115.dtsi b/arch/arm64/boot/dts/qcom/sm6115.dtsi
> > index 76c429e8ebab..01dff6641280 100644
> > --- a/arch/arm64/boot/dts/qcom/sm6115.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sm6115.dtsi
> > @@ -878,8 +878,29 @@ usb_qmpphy: phy at 1615000 {
> >                       clock-output-names = "usb3_phy_pipe_clk_src";
> >
> >                       #phy-cells = <0>;
> > +                     orientation-switch;
> >
> >                       status = "disabled";
> > +
> > +                     ports {
> > +                             #address-cells = <1>;
> > +                             #size-cells = <0>;
> > +
> > +                             port at 0 {
> > +                                     reg = <0>;
> > +
> > +                                     usb_qmpphy_out: endpoint {
> > +                                     };
> > +                             };
> > +
> > +                             port at 1 {
> > +                                     reg = <1>;
> > +
> > +                                     usb_qmpphy_usb_ss_in: endpoint {
> > +                                             remote-endpoint = <&usb_dwc3_ss>;
> > +                                     };
> > +                             };
> > +                     };
> >               };
> >
> >               system_noc: interconnect at 1880000 {
> > @@ -1614,6 +1635,28 @@ usb_dwc3: usb at 4e00000 {
> >                               snps,has-lpm-erratum;
> >                               snps,hird-threshold = /bits/ 8 <0x10>;
> >                               snps,usb3_lpm_capable;
> > +
> > +                             usb-role-switch;
> > +
> > +                             ports {
> > +                                     #address-cells = <1>;
> > +                                     #size-cells = <0>;
> > +
> > +                                     port at 0 {
> > +                                             reg = <0>;
> > +
> > +                                             usb_dwc3_hs: endpoint {
> > +                                             };
> > +                                     };
> > +
> > +                                     port at 1 {
> > +                                             reg = <1>;
> > +
> > +                                             usb_dwc3_ss: endpoint {
> > +                                                     remote-endpoint = <&usb_qmpphy_usb_ss_in>;
> > +                                             };
> > +                                     };
> > +                             };
> >                       };
> >               };
> >
>


-- 
With best wishes
Dmitry