[PATCH v3 9/9] arm64: dts: qcom: Add display support for QCS615 RIDE board

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Mon Nov 25 22:08:10 UTC 2024


On Mon, 25 Nov 2024 at 09:39, fange zhang <quic_fangez at quicinc.com> wrote:
>
>
>
> On 2024/11/22 18:22, Dmitry Baryshkov wrote:
> > On Fri, Nov 22, 2024 at 05:56:52PM +0800, Fange Zhang wrote:
> >> From: Li Liu <quic_lliu6 at quicinc.com>
> >>
> >> Add display MDSS and DSI configuration for QCS615 RIDE board.
> >> QCS615 has a DP port, and DP support will be added in a later patch.
> >>
> >> Signed-off-by: Li Liu <quic_lliu6 at quicinc.com>
> >> Signed-off-by: Fange Zhang <quic_fangez at quicinc.com>
> >> ---
> >>   arch/arm64/boot/dts/qcom/qcs615-ride.dts | 76 ++++++++++++++++++++++++++++++++
> >>   1 file changed, 76 insertions(+)
> >>
> >> diff --git a/arch/arm64/boot/dts/qcom/qcs615-ride.dts b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
> >> index ee6cab3924a6d71f29934a8debba3a832882abdd..cc7dadc411ab79b9e60ccb15eaff84ea5f997c4c 100644
> >> --- a/arch/arm64/boot/dts/qcom/qcs615-ride.dts
> >> +++ b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
> >> @@ -202,6 +202,82 @@ &gcc {
> >>               <&sleep_clk>;
> >>   };
> >>
> >> +&i2c2 {
> >> +    clock-frequency = <400000>;
> >> +    status = "okay";
> >> +
> >> +    ioexp: gpio at 3e {
> >> +            compatible = "semtech,sx1509q";
> >> +            reg = <0x3e>;
> >> +            interrupt-parent = <&tlmm>;
> >> +            interrupts = <58 0>;
> >> +            gpio-controller;
> >> +            #gpio-cells = <2>;
> >> +            interrupt-controller;
> >> +            #interrupt-cells = <2>;
> >> +            semtech,probe-reset;
> >> +    };
> >> +
> >> +    i2c-mux at 77 {
> >> +            compatible = "nxp,pca9542";
> >> +            reg = <0x77>;
> >> +            #address-cells = <1>;
> >> +            #size-cells = <0>;
> >> +            i2c at 0 {
> >> +                    reg = <0>;
> >> +                    #address-cells = <1>;
> >> +                    #size-cells = <0>;
> >> +
> >> +                    anx7625 at 58 {
> >> +                            compatible = "analogix,anx7625";
> >> +                            reg = <0x58>;
> >> +                            interrupt-parent = <&ioexp>;
> >> +                            interrupts = <0 0>;
> >> +                            enable-gpios = <&tlmm 4 GPIO_ACTIVE_HIGH>;
> >> +                            reset-gpios = <&tlmm 5 GPIO_ACTIVE_HIGH>;
> >> +                            wakeup-source;
> >> +
> >> +                            ports {
> >> +                                    #address-cells = <1>;
> >> +                                    #size-cells = <0>;
> >> +
> >> +                                    port at 0 {
> >> +                                            reg = <0>;
> >> +                                            anx_7625_in: endpoint {
> >> +                                                    remote-endpoint = <&mdss_dsi0_out>;
> >> +                                            };
> >> +                                    };
> >> +
> >> +                                    port at 1 {
> >> +                                            reg = <1>;
> >> +                                            anx_7625_out: endpoint {
> >> +                                            };
> >
> > Where is it connected? Is it DP port? USB-C? eDP?
> yes, it's DP port

So, I'd expect to see a dp-connector node at the end, not the
unterminated anx7625.

> >
> >> +                                    };
> >> +                            };
> >> +                    };
> >> +            };
> >> +    };
> >> +};
> >> +
> >> +&mdss {
> >> +    status = "okay";
> >> +};
> >> +
> >> +&mdss_dsi0 {
> >> +    vdda-supply = <&vreg_l11a>;
> >> +    status = "okay";
> >> +};
> >> +
> >> +&mdss_dsi0_out {
> >> +    remote-endpoint = <&anx_7625_in>;
> >> +    data-lanes = <0 1 2 3>;
> >> +};
> >> +
> >> +&mdss_dsi0_phy {
> >> +    vdds-supply = <&vreg_l5a>;
> >> +    status = "okay";
> >> +};
> >> +
> >>   &qupv3_id_0 {
> >>      status = "okay";
> >>   };
> >>
> >> --
> >> 2.34.1
> >>
> >
>


-- 
With best wishes
Dmitry


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