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Date: Wed, 16 Mar 2022 23:05:47 +0530
From: Sankeerth Billakanti <quic_sbillaka@...cinc.com>
To: <dri-devel@...ts.freedesktop.org>, <linux-arm-msm@...r.kernel.org>,
<freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>
CC: Sankeerth Billakanti <quic_sbillaka@...cinc.com>,
<robdclark@...il.com>, <seanpaul@...omium.org>,
<swboyd@...omium.org>, <quic_kalyant@...cinc.com>,
<quic_abhinavk@...cinc.com>, <dianders@...omium.org>,
<quic_khsieh@...cinc.com>, <agross@...nel.org>,
<bjorn.andersson@...aro.org>, <robh+dt@...nel.org>,
<krzk+dt@...nel.org>, <sean@...rly.run>, <airlied@...ux.ie>,
<daniel@...ll.ch>, <thierry.reding@...il.com>, <sam@...nborg.org>,
<dmitry.baryshkov@...aro.org>, <quic_vproddut@...cinc.com>
Subject: [PATCH v5 2/9] arm64: dts: qcom: sc7280: Add support for eDP panel on CRD
Enable support for eDP interface via aux_bus on CRD platform.
Signed-off-by: Sankeerth Billakanti <quic_sbillaka@...cinc.com>
---
Changes in v5:
- Change the order of patches
- Remove the backlight nodes
- Remove the bias setting
- Fix compilation issue
- Model VREG_EDP_BP for backlight power
Changes in v4:
- Create new patch for name changes
- Remove output-low
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 | 93 +++++++++++++++++++++++++++++++++
1 file changed, 93 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7280-crd.dts b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
index e2efbdd..2df654e 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
@@ -7,6 +7,7 @@
/dts-v1/;
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
#include "sc7280-idp.dtsi"
#include "sc7280-idp-ec-h1.dtsi"
@@ -21,6 +22,27 @@
chosen {
stdout-path = "serial0:115200n8";
};
+
+ 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>;
+ };
+
+ vreg_edp_bp: vreg-edp-bp-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "vreg_edp_bp";
+ regulator-always-on;
+ regulator-boot-on;
+ };
};
&apps_rsc {
@@ -76,6 +98,58 @@ 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";
+
+ data-lanes = <0 1 2 3>;
+ vdda-1p2-supply = <&vreg_l6b_1p2>;
+ vdda-0p9-supply = <&vreg_l10c_0p8>;
+
+ aux-bus {
+ edp_panel: edp-panel {
+ compatible = "edp-panel";
+
+ power-supply = <&edp_3v3_regulator>;
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ edp_panel_in: endpoint {
+ remote-endpoint = <&mdss_edp_out>;
+ };
+ };
+ };
+ };
+ };
+};
+
+&mdss_edp_out {
+ remote-endpoint = <&edp_panel_in>;
+};
+
+&mdss_edp_phy {
+ status = "okay";
+};
+
+&mdss_mdp {
+ status = "okay";
+};
+
&nvme_3v3_regulator {
gpio = <&tlmm 51 GPIO_ACTIVE_HIGH>;
};
@@ -84,7 +158,26 @@ 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>;
+ };
+
+ edp_bl_pwm: edp-bl-pwm {
+ pins = "gpio8";
+ function = "func1";
+ qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>;
+ };
+};
+
&tlmm {
+ edp_panel_power: edp-panel-power {
+ pins = "gpio80";
+ function = "gpio";
+ };
+
tp_int_odl: tp-int-odl {
pins = "gpio7";
function = "gpio";
--
2.7.4
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