linux-kernel - Re: [PATCH] arm64: dts: qcom: sdm845-xiaomi-beryllium: Add DSI and panel bits

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Date:   Wed, 3 Feb 2021 20:30:39 +0530
From:   Amit Pundir <amit.pundir@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konradybcio@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        John Stultz <john.stultz@...aro.org>,
        Sumit Semwal <sumit.semwal@...aro.org>
Cc:     linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        dt <devicetree@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>, phone-devel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sdm845-xiaomi-beryllium: Add DSI and
 panel bits

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@...aro.org> wrote:
>
> From: Sumit Semwal <sumit.semwal@...aro.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@...aro.org>
> Signed-off-by: Amit Pundir <amit.pundir@...aro.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
>