[PATCH v3 0/2] add display and panel on qcm6490 idp

[PATCH v3 0/2] add display and panel on qcm6490 idp

[Ritesh Kumar]

Build the Novatek NT36672E DSI Panel driver as module and enable
display subsystem on Qualcomm qcm6490 idp board.

---
This series depends on following series:
1. https://lore.kernel.org/all/20231222073135.2512313-1-quic_uchheda@quicinc.com/
   (arm64: dts: qcom: qcm6490-idp: Add support for PM7250B PMIC)
2. https://lore.kernel.org/all/20240108095902.22725-1-quic_riteshk@quicinc.com/
   (Add support for Novatek NT36672E LCD DSI panel)
3. https://lore.kernel.org/all/20240116071803.5264-1-quic_riteshk@quicinc.com/t/#u
   (drm/panel: novatek-nt36672e: Include <linux/of.h>)

v2: Fixed review comments from Dmitry and Konrad
      - moved pinctrl-names after pinctrl-0 property.
      - removed gpu disablement change after validating gpu.
      - updated commit text.
    Rebased the patch
      - rebased the patch to resolve conflicts.
v3: Fixed review comments from Dmitry
      - renamed panel supply to regulator-lcd-disp-bias.
      - moved backlight as per sort order.
---

Ritesh Kumar (2):
  arm64: defconfig: enable Novatek NT36672E DSI Panel driver
  arm64: dts: qcom: qcm6490-idp: add display and panel

 arch/arm64/boot/dts/qcom/qcm6490-idp.dts | 92 ++++++++++++++++++++++++
 arch/arm64/configs/defconfig             |  1 +
 2 files changed, 93 insertions(+)

-- 
2.17.1

[PATCH v3 1/2] arm64: defconfig: enable Novatek NT36672E DSI Panel driver

[Ritesh Kumar]

Build the Novatek NT36672E DSI Panel driver as module
because it is used on Qualcomm qcm6490 idp board.

Signed-off-by: Ritesh Kumar <quic_riteshk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

---
v2: Fixed review comment from Dmitry
      - updated commit text.
v3: No change
---
 arch/arm64/configs/defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index b8adb28185ad..e1f0045a65de 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -863,6 +863,7 @@ CONFIG_DRM_PANEL_SIMPLE=m
 CONFIG_DRM_PANEL_EDP=m
 CONFIG_DRM_PANEL_ILITEK_ILI9882T=m
 CONFIG_DRM_PANEL_MANTIX_MLAF057WE51=m
+CONFIG_DRM_PANEL_NOVATEK_NT36672E=m
 CONFIG_DRM_PANEL_RAYDIUM_RM67191=m
 CONFIG_DRM_PANEL_SITRONIX_ST7703=m
 CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA=m
-- 
2.17.1

[PATCH v3 2/2] arm64: dts: qcom: qcm6490-idp: add display and panel

[Ritesh Kumar]

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

Signed-off-by: Ritesh Kumar <quic_riteshk@quicinc.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.
v3: Fixed review comments from Dmitry
      - renamed panel supply to regulator-lcd-disp-bias.
      - moved backlight as per sort order.
---
 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..6d6506726827 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"
@@ -35,10 +36,29 @@
 		serial0 = &uart5;
 	};
 
+	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";
+	};
+
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	lcd_disp_bias: regulator-lcd-disp-bias {
+		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";
+	};
+
 	reserved-memory {
 		xbl_mem: xbl@80700000 {
 			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

Re: [PATCH v3 2/2] arm64: dts: qcom: qcm6490-idp: add display and panel

[Dmitry Baryshkov]

On Thu, 15 Feb 2024 at 12:39, Ritesh Kumar <quic_riteshk@quicinc.com> wrote:
>
> Enable Display Subsystem with Novatek NT36672E Panel
> on qcm6490 idp platform.
>
> Signed-off-by: Ritesh Kumar <quic_riteshk@quicinc.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.
> v3: Fixed review comments from Dmitry
>       - renamed panel supply to regulator-lcd-disp-bias.
>       - moved backlight as per sort order.
> ---
>  arch/arm64/boot/dts/qcom/qcm6490-idp.dts | 92 ++++++++++++++++++++++++
>  1 file changed, 92 insertions(+)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

-- 
With best wishes
Dmitry

Re: [PATCH v3 0/2] add display and panel on qcm6490 idp

[Ritesh Kumar]

On 2/15/2024 4:09 PM, Ritesh Kumar wrote:
> Build the Novatek NT36672E DSI Panel driver as module and enable
> display subsystem on Qualcomm qcm6490 idp board.
>
> Ritesh Kumar (2):
>    arm64: defconfig: enable Novatek NT36672E DSI Panel driver
>    arm64: dts: qcom: qcm6490-idp: add display and panel

Can you please review and apply these two patches.

Thanks,
Ritesh

Re: [PATCH v3 0/2] add display and panel on qcm6490 idp

[Dmitry Baryshkov]

On Thu, 7 Mar 2024 at 10:20, Ritesh Kumar <quic_riteshk@quicinc.com> wrote:
>
>
> On 2/15/2024 4:09 PM, Ritesh Kumar wrote:
> > Build the Novatek NT36672E DSI Panel driver as module and enable
> > display subsystem on Qualcomm qcm6490 idp board.
> >
> > Ritesh Kumar (2):
> >    arm64: defconfig: enable Novatek NT36672E DSI Panel driver
> >    arm64: dts: qcom: qcm6490-idp: add display and panel
>
> Can you please review and apply these two patches.

Can you please read docs regarding the kernel development process?


-- 
With best wishes
Dmitry

Re: (subset) [PATCH v3 0/2] add display and panel on qcm6490 idp

[Bjorn Andersson]

On Thu, 15 Feb 2024 16:09:27 +0530, Ritesh Kumar wrote:
> Build the Novatek NT36672E DSI Panel driver as module and enable
> display subsystem on Qualcomm qcm6490 idp board.
> 

Applied, thanks!

[1/2] arm64: defconfig: enable Novatek NT36672E DSI Panel driver
      commit: 55ca24e5f9f432e27499ce5baa85f233931901c1

Best regards,
-- 
Bjorn Andersson <andersson@kernel.org>