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From:   Amit Pundir <amit.pundir@linaro.org>
Date:   Wed, 3 Feb 2021 20:30:39 +0530
Message-ID: <CAMi1Hd1cCtSFMBjXm6=fwEeSYMYs5xvKPK25TxsxU9YDogxxDQ@mail.gmail.com>
Subject: Re: [PATCH] arm64: dts: qcom: sdm845-xiaomi-beryllium: Add DSI and
 panel bits
To:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Konrad Dybcio <konradybcio@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        John Stultz <john.stultz@linaro.org>,
        Sumit Semwal <sumit.semwal@linaro.org>
Cc:     linux-arm-msm <linux-arm-msm@vger.kernel.org>,
        dt <devicetree@vger.kernel.org>,
        lkml <linux-kernel@vger.kernel.org>, phone-devel@vger.kernel.org
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Argh.. This patch is not formatted on top of mainline. It doesn't
apply cleanly. Sorry about that. I'll fix that in the next version.

Regards,
Amit Pundir

On Wed, 3 Feb 2021 at 15:29, Amit Pundir <amit.pundir@linaro.org> wrote:
>
> From: Sumit Semwal <sumit.semwal@linaro.org>
>
> Enabling the Display panel for beryllium phone (Xiaomi
> Pocophone F1) requires DSI labibb regulators and panel
> dts nodes to be added. It is also required to keep some
> of the regulators as always-on.
>
> Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
> Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
> ---
>  .../boot/dts/qcom/sdm845-xiaomi-beryllium.dts      | 55 ++++++++++++++++++++++
>  1 file changed, 55 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
> index cd15ae0347e8..e09effa555f1 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
> @@ -160,6 +160,14 @@
>                         regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>                 };
>
> +               vreg_l14a_1p88: ldo14 {
> +                       regulator-min-microvolt = <1800000>;
> +                       regulator-max-microvolt = <1800000>;
> +                       regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +                       regulator-boot-on;
> +                       regulator-always-on;
> +               };
> +
>                 vreg_l17a_1p3: ldo17 {
>                         regulator-min-microvolt = <1304000>;
>                         regulator-max-microvolt = <1304000>;
> @@ -194,6 +202,7 @@
>                         regulator-min-microvolt = <1200000>;
>                         regulator-max-microvolt = <1200000>;
>                         regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +                       regulator-boot-on;
>                 };
>         };
>  };
> @@ -207,6 +216,44 @@
>         firmware-name = "qcom/sdm845/cdsp.mdt";
>  };
>
> +&dsi0 {
> +       status = "okay";
> +       vdda-supply = <&vreg_l26a_1p2>;
> +
> +       ports {
> +               port@1 {
> +                       endpoint {
> +                               remote-endpoint = <&tianma_nt36672a_in_0>;
> +                               data-lanes = <0 1 2 3>;
> +                       };
> +               };
> +       };
> +
> +       panel@0 {
> +               compatible = "tianma,fhd-video";
> +               reg = <0>;
> +               vddi0-supply = <&vreg_l14a_1p88>;
> +               vddpos-supply = <&lab>;
> +               vddneg-supply = <&ibb>;
> +
> +               reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;
> +
> +               #address-cells = <1>;
> +               #size-cells = <0>;
> +
> +               port {
> +                       tianma_nt36672a_in_0: endpoint {
> +                               remote-endpoint = <&dsi0_out>;
> +                       };
> +               };
> +       };
> +};
> +
> +&dsi0_phy {
> +       status = "okay";
> +       vdds-supply = <&vreg_l1a_0p875>;
> +};
> +
>  &gcc {
>         protected-clocks = <GCC_QSPI_CORE_CLK>,
>                            <GCC_QSPI_CORE_CLK_SRC>,
> @@ -274,6 +321,14 @@
>
>  };
>
> +&mdss {
> +       status = "okay";
> +};
> +
> +&mdss_mdp {
> +       status = "okay";
> +};
> +
>  &mss_pil {
>         status = "okay";
>         firmware-name = "qcom/sdm845/mba.mbn", "qcom/sdm845/modem.mdt";
> --
> 2.7.4
>