[PATCH 2/2] arm64: dts: qcom: qcm6490-idp: add display and panel

From: Ritesh Kumar
Date: Tue Jan 16 2024 - 04:50:46 EST


Enable Display Subsystem with Novatek NT36672E Panel
on qcm6490 idp platform.

Signed-off-by: Ritesh Kumar <quic_riteshk@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/qcm6490-idp.dts | 100 +++++++++++++++++++++++
1 file changed, 100 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
index 2a6e4907c5ee..efa5252130a1 100644
--- a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
+++ b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
@@ -9,6 +9,7 @@
#define PM7250B_SID 8
#define PM7250B_SID1 9

+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
#include "sc7280.dtsi"
#include "pm7250b.dtsi"
@@ -38,6 +39,25 @@
stdout-path = "serial0:115200n8";
};

+ lcd_disp_bias: lcd-disp-bias-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "lcd_disp_bias";
+ regulator-min-microvolt = <5500000>;
+ regulator-max-microvolt = <5500000>;
+ gpio = <&pm7250b_gpios 2 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ pinctrl-names = "default";
+ pinctrl-0 = <&lcd_disp_bias_en>;
+ };
+
+ pm8350c_pwm_backlight: backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pm8350c_pwm 3 65535>;
+ enable-gpios = <&pm8350c_gpios 7 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pmic_lcd_bl_en>;
+ };
+
reserved-memory {
xbl_mem: xbl@80700000 {
reg = <0x0 0x80700000 0x0 0x100000>;
@@ -420,6 +440,86 @@
};
};

+&gpu {
+ status = "disabled";
+};
+
+&mdss {
+ status = "okay";
+};
+
+&mdss_dsi {
+ vdda-supply = <&vreg_l6b_1p2>;
+ status = "okay";
+
+ panel@0 {
+ compatible = "novatek,nt36672e";
+ reg = <0>;
+
+ reset-gpios = <&tlmm 44 GPIO_ACTIVE_HIGH>;
+
+ vddi-supply = <&vreg_l8c_1p62>;
+ avdd-supply = <&lcd_disp_bias>;
+ avee-supply = <&lcd_disp_bias>;
+
+ backlight = <&pm8350c_pwm_backlight>;
+
+ port {
+ panel0_in: endpoint {
+ remote-endpoint = <&mdss_dsi0_out>;
+ };
+ };
+ };
+};
+
+&mdss_dsi0_out {
+ remote-endpoint = <&panel0_in>;
+ data-lanes = <0 1 2 3>;
+};
+
+&mdss_dsi_phy {
+ vdds-supply = <&vreg_l10c_0p88>;
+ status = "okay";
+};
+
+&pm7250b_gpios {
+ lcd_disp_bias_en: lcd-disp-bias-en-state {
+ pins = "gpio2";
+ function = "func1";
+ bias-disable;
+ qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>;
+ input-disable;
+ output-enable;
+ power-source = <0>;
+ };
+};
+
+&pm8350c_gpios {
+ pmic_lcd_bl_en: pmic-lcd-bl-en-state {
+ pins = "gpio7";
+ function = "normal";
+ bias-disable;
+ qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>;
+ output-low;
+ power-source = <0>;
+ };
+
+ pmic_lcd_bl_pwm: pmic-lcd-bl-pwm-state {
+ pins = "gpio8";
+ function = "func1";
+ bias-disable;
+ qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>;
+ output-low;
+ power-source = <0>;
+ };
+};
+
+&pm8350c_pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pmic_lcd_bl_pwm>;
+ status = "okay";
+};
+
&qupv3_id_0 {
status = "okay";
};
--
2.17.1