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

From: Konrad Dybcio
Date: Tue Jan 16 2024 - 07:06:56 EST




On 1/16/24 10:49, Ritesh Kumar wrote:
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>;

property-n
property-names

all throughout the patch

+&gpu {
+ status = "disabled";
+};

Hm.. generally we disable the GPU in the SoC DT, but that doesn't
seem to have happened here..

Thinking about it more, is disabling it here necessary? Does it
not fail gracefully?

Konrad