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

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On 1/16/2024 3:28 PM, Dmitry Baryshkov wrote:

On Tue, 16 Jan 2024 at 11:49, Ritesh Kumar <quic_riteshk@xxxxxxxxxxx> wrote:
Enable Display Subsystem with Novatek NT36672E Panel
on qcm6490 idp platform.
Is this panel always present on the IDP board or is it an optional
addon, like the panels for all the RBn boards?

This panel is always present on the IDP board.

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


Thanks,
Ritesh




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