| Message ID | 1644396932-17932-3-git-send-email-quic_sbillaka@quicinc.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Add support for the eDP panel on sc7280 CRD | expand |
Hi Stephen, Will implement all the suggested changes. Thank you, Sankeerth -----Original Message----- From: Stephen Boyd <swboyd@chromium.org> Sent: Thursday, February 10, 2022 6:45 AM To: Sankeerth Billakanti (QUIC) <quic_sbillaka@quicinc.com>; agross@kernel.org; airlied@linux.ie; bjorn.andersson@linaro.org; daniel@ffwll.ch; devicetree@vger.kernel.org; dianders@chromium.org; dri-devel@lists.freedesktop.org; freedreno@lists.freedesktop.org; krzysztof.kozlowski@canonical.com; linux-arm-msm@vger.kernel.org; linux-kernel@vger.kernel.org; robdclark@gmail.com; robh+dt@kernel.org; sam@ravnborg.org; seanpaul@chromium.org; thierry.reding@gmail.com Cc: quic_kalyant <quic_kalyant@quicinc.com>; Abhinav Kumar (QUIC) <quic_abhinavk@quicinc.com>; Kuogee Hsieh (QUIC) <quic_khsieh@quicinc.com>; quic_mkrishn <quic_mkrishn@quicinc.com>; quic_vproddut <quic_vproddut@quicinc.com> Subject: Re: [PATCH v3 2/4] arm64: dts: qcom: sc7280: Add support for eDP panel on CRD Quoting Sankeerth Billakanti (2022-02-09 00:55:30) > Enable the eDP display panel support without HPD on sc7280 platform. > > Signed-off-by: Sankeerth Billakanti <quic_sbillaka@quicinc.com> > --- > > Changes in v3: > - Sort the nodes alphabetically > - Use - instead of _ as node names > - Place the backlight and panel nodes under root > - Change the name of edp_out to mdss_edp_out > - Change the names of regulator nodes > - Delete unused properties in the board file > > > Changes in v2: > - Sort node references alphabetically > - Improve readability > - Move the pwm pinctrl to pwm node > - Move the regulators to root > - Define backlight power > - Remove dummy regulator node > - Cleanup pinctrl definitions > > arch/arm64/boot/dts/qcom/sc7280-crd.dts | 122 ++++++++++++++++++++++++++++++++ > arch/arm64/boot/dts/qcom/sc7280.dtsi | 2 +- > 2 files changed, 123 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/qcom/sc7280-crd.dts > b/arch/arm64/boot/dts/qcom/sc7280-crd.dts > index e2efbdd..2a490a0 100644 > --- a/arch/arm64/boot/dts/qcom/sc7280-crd.dts > +++ b/arch/arm64/boot/dts/qcom/sc7280-crd.dts > @@ -21,6 +21,59 @@ > chosen { > stdout-path = "serial0:115200n8"; > }; > + > + backlight_3v3_regulator: backlight-3v3-regulator { > + compatible = "regulator-fixed"; > + regulator-name = "backlight_3v3_regulator"; > + > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + > + gpio = <&pm8350c_gpios 7 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + > + pinctrl-names = "default"; > + pinctrl-0 = <&edp_bl_power>; > + }; > + > + edp_3v3_regulator: edp-3v3-regulator { > + compatible = "regulator-fixed"; > + regulator-name = "edp_3v3_regulator"; > + > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + > + gpio = <&tlmm 80 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + > + pinctrl-names = "default"; > + pinctrl-0 = <&edp_panel_power>; > + }; > + > + edp_backlight: edp-backlight { > + compatible = "pwm-backlight"; > + > + power-supply = <&backlight_3v3_regulator>; > + pwms = <&pm8350c_pwm 3 65535>; > + }; > + > + edp_panel: edp-panel { > + compatible = "sharp,lq140m1jw46"; > + > + power-supply = <&edp_3v3_regulator>; > + backlight = <&edp_backlight>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + port@0 { > + reg = <0>; > + edp_panel_in: endpoint { > + remote-endpoint = <&edp_out>; Where is edp_out now? > + }; > + }; > + }; > + }; > }; > > &apps_rsc { > @@ -76,6 +129,44 @@ ap_ts_pen_1v8: &i2c13 { > }; > }; > > +&mdss { > + status = "okay"; > +}; > + > +&mdss_dp { > + status = "okay"; > + > + pinctrl-names = "default"; > + pinctrl-0 = <&dp_hot_plug_det>; > + data-lanes = <0 1>; > + vdda-1p2-supply = <&vreg_l6b_1p2>; > + vdda-0p9-supply = <&vreg_l1b_0p8>; }; > + > +&mdss_edp { > + status = "okay"; > + > + vdda-1p2-supply = <&vreg_l6b_1p2>; > + vdda-0p9-supply = <&vreg_l10c_0p8>; > + /delete-property/ pinctrl-names; > + /delete-property/ pinctrl-0; > +}; > + > +&mdss_edp_out { > + remote-endpoint = <&edp_panel_in>; }; > + > +&mdss_edp_phy { > + status = "okay"; > + > + vdda-1p2-supply = <&vreg_l6b_1p2>; > + vdda-0p9-supply = <&vreg_l10c_0p8>; }; > + > +&mdss_mdp { > + status = "okay"; > +}; > + > &nvme_3v3_regulator { > gpio = <&tlmm 51 GPIO_ACTIVE_HIGH>; }; @@ -84,7 +175,38 @@ > ap_ts_pen_1v8: &i2c13 { > pins = "gpio51"; > }; > > +&pm8350c_gpios { > + edp_bl_power: edp-bl-power { > + pins = "gpio7"; > + function = "normal"; > + qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>; > + bias-disable; > + output-low; Is the 'output-low' necessary? > + }; > + > + edp_bl_pwm: edp-bl-pwm { > + pins = "gpio8"; > + function = "func1"; > + qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>; > + bias-disable; > + output-low; Same question. > + }; > +}; > + > +&pm8350c_pwm { > + status = "okay"; > + > + pinctrl-names = "default"; > + pinctrl-0 = <&edp_bl_pwm>; > +}; > + > &tlmm { > + edp_panel_power: edp-panel-power { > + pins = "gpio80"; > + function = "gpio"; > + bias-pull-down; > + }; > + > tp_int_odl: tp-int-odl { > pins = "gpio7"; > function = "gpio"; > diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi > b/arch/arm64/boot/dts/qcom/sc7280.dtsi > index 3572399..eca403a 100644 > --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi > +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi > @@ -3066,7 +3066,7 @@ > > port@1 { > reg = <1>; > - edp_out: endpoint { }; > + mdss_edp_out: endpoint > + { }; > }; It feels like this should be a different patch for this phandle rename.
diff --git a/arch/arm64/boot/dts/qcom/sc7280-crd.dts b/arch/arm64/boot/dts/qcom/sc7280-crd.dts index e2efbdd..2a490a0 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-crd.dts +++ b/arch/arm64/boot/dts/qcom/sc7280-crd.dts @@ -21,6 +21,59 @@ chosen { stdout-path = "serial0:115200n8"; }; + + backlight_3v3_regulator: backlight-3v3-regulator { + compatible = "regulator-fixed"; + regulator-name = "backlight_3v3_regulator"; + + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&pm8350c_gpios 7 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-names = "default"; + pinctrl-0 = <&edp_bl_power>; + }; + + edp_3v3_regulator: edp-3v3-regulator { + compatible = "regulator-fixed"; + regulator-name = "edp_3v3_regulator"; + + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&tlmm 80 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-names = "default"; + pinctrl-0 = <&edp_panel_power>; + }; + + edp_backlight: edp-backlight { + compatible = "pwm-backlight"; + + power-supply = <&backlight_3v3_regulator>; + pwms = <&pm8350c_pwm 3 65535>; + }; + + edp_panel: edp-panel { + compatible = "sharp,lq140m1jw46"; + + power-supply = <&edp_3v3_regulator>; + backlight = <&edp_backlight>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + edp_panel_in: endpoint { + remote-endpoint = <&edp_out>; + }; + }; + }; + }; }; &apps_rsc { @@ -76,6 +129,44 @@ ap_ts_pen_1v8: &i2c13 { }; }; +&mdss { + status = "okay"; +}; + +&mdss_dp { + status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&dp_hot_plug_det>; + data-lanes = <0 1>; + vdda-1p2-supply = <&vreg_l6b_1p2>; + vdda-0p9-supply = <&vreg_l1b_0p8>; +}; + +&mdss_edp { + status = "okay"; + + vdda-1p2-supply = <&vreg_l6b_1p2>; + vdda-0p9-supply = <&vreg_l10c_0p8>; + /delete-property/ pinctrl-names; + /delete-property/ pinctrl-0; +}; + +&mdss_edp_out { + remote-endpoint = <&edp_panel_in>; +}; + +&mdss_edp_phy { + status = "okay"; + + vdda-1p2-supply = <&vreg_l6b_1p2>; + vdda-0p9-supply = <&vreg_l10c_0p8>; +}; + +&mdss_mdp { + status = "okay"; +}; + &nvme_3v3_regulator { gpio = <&tlmm 51 GPIO_ACTIVE_HIGH>; }; @@ -84,7 +175,38 @@ ap_ts_pen_1v8: &i2c13 { pins = "gpio51"; }; +&pm8350c_gpios { + edp_bl_power: edp-bl-power { + pins = "gpio7"; + function = "normal"; + qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>; + bias-disable; + output-low; + }; + + edp_bl_pwm: edp-bl-pwm { + pins = "gpio8"; + function = "func1"; + qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>; + bias-disable; + output-low; + }; +}; + +&pm8350c_pwm { + status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&edp_bl_pwm>; +}; + &tlmm { + edp_panel_power: edp-panel-power { + pins = "gpio80"; + function = "gpio"; + bias-pull-down; + }; + tp_int_odl: tp-int-odl { pins = "gpio7"; function = "gpio"; diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi index 3572399..eca403a 100644 --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi @@ -3066,7 +3066,7 @@ port@1 { reg = <1>; - edp_out: endpoint { }; + mdss_edp_out: endpoint { }; }; };
Enable the eDP display panel support without HPD on sc7280 platform. Signed-off-by: Sankeerth Billakanti <quic_sbillaka@quicinc.com> --- Changes in v3: - Sort the nodes alphabetically - Use - instead of _ as node names - Place the backlight and panel nodes under root - Change the name of edp_out to mdss_edp_out - Change the names of regulator nodes - Delete unused properties in the board file Changes in v2: - Sort node references alphabetically - Improve readability - Move the pwm pinctrl to pwm node - Move the regulators to root - Define backlight power - Remove dummy regulator node - Cleanup pinctrl definitions arch/arm64/boot/dts/qcom/sc7280-crd.dts | 122 ++++++++++++++++++++++++++++++++ arch/arm64/boot/dts/qcom/sc7280.dtsi | 2 +- 2 files changed, 123 insertions(+), 1 deletion(-)