linux-kernel - [PATCH v2 2/2] arm64: dts: qcom: qcm6490-idp: add display and panel

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Message-Id: <20240213104754.8195-3-quic_riteshk@quicinc.com>
Date: Tue, 13 Feb 2024 16:17:54 +0530
From: Ritesh Kumar <quic_riteshk@...cinc.com>
To: andersson@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        catalin.marinas@....com, will@...nel.org, quic_bjorande@...cinc.com,
        geert+renesas@...der.be, arnd@...db.de, neil.armstrong@...aro.org,
        dmitry.baryshkov@...aro.org, nfraprado@...labora.com,
        m.szyprowski@...sung.com
Cc: Ritesh Kumar <quic_riteshk@...cinc.com>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, quic_abhinavk@...cinc.com,
        quic_rajeevny@...cinc.com, quic_vproddut@...cinc.com
Subject: [PATCH v2 2/2] arm64: dts: qcom: qcm6490-idp: add display and panel

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

Signed-off-by: Ritesh Kumar <quic_riteshk@...cinc.com>

---
v2: Fixed review comments from Dmitry and Konrad
      - moved pinctrl-names after pinctrl-0 property.
      - removed gpu disablement change after validating gpu.
    Rebased the patch
      - rebased the patch to resolve conflicts.
---
 arch/arm64/boot/dts/qcom/qcm6490-idp.dts | 92 ++++++++++++++++++++++++
 1 file changed, 92 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
index 502a5a383bde..0054b2a8d6c7 100644
--- a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
+++ b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
@@ -10,6 +10,7 @@
 #define PM7250B_SID1 9
 
 #include <dt-bindings/leds/common.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
 #include "sc7280.dtsi"
 #include "pm7250b.dtsi"
@@ -39,6 +40,25 @@
 		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-0 = <&lcd_disp_bias_en>;
+		pinctrl-names = "default";
+	};
+
+	pm8350c_pwm_backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pm8350c_pwm 3 65535>;
+		enable-gpios = <&pm8350c_gpios 7 GPIO_ACTIVE_HIGH>;
+		pinctrl-0 = <&pmic_lcd_bl_en>;
+		pinctrl-names = "default";
+	};
+
 	reserved-memory {
 		xbl_mem: xbl@...00000 {
 			reg = <0x0 0x80700000 0x0 0x100000>;
@@ -421,7 +441,79 @@
 	};
 };
 
+&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-0 = <&pmic_lcd_bl_pwm>;
+	pinctrl-names = "default";
 	status = "okay";
 
 	multi-led {
-- 
2.17.1