Skip to content

Add eDP display overlays for hamoa and purwa IoT EVKs #977

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
anan-tiwa wants to merge 2 commits into
base: qcom-6.18.y
Choose a base branch
from
Open

Add eDP display overlays for hamoa and purwa IoT EVKs #977

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
edf9950
FROMLIST: arm64: dts: qcom: hamoa-iot-evk: Add eDP display overlay
Aug 18, 2026
c89e167
FROMLIST: arm64: dts: qcom: purwa-iot-evk: Add eDP display overlay
Aug 18, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 6 additions & 0 deletions arch/arm64/boot/dts/qcom/Makefile
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,9 @@ dtb-$(CONFIG_ARCH_QCOM) += apq8096-ifc6640.dtb
dtb-$(CONFIG_ARCH_QCOM) += glymur-crd.dtb
dtb-$(CONFIG_ARCH_QCOM) += hamoa-iot-evk.dtb

hamoa-iot-evk-edp-dtbs := hamoa-iot-evk.dtb hamoa-iot-evk-edp.dtbo
dtb-$(CONFIG_ARCH_QCOM) += hamoa-iot-evk-edp.dtb

hamoa-iot-evk-el2-dtbs := hamoa-iot-evk.dtb x1-el2.dtbo

dtb-$(CONFIG_ARCH_QCOM) += hamoa-iot-evk-el2.dtb
Expand Down Expand Up @@ -166,6 +169,9 @@ dtb-$(CONFIG_ARCH_QCOM) += msm8998-sony-xperia-yoshino-poplar.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8998-xiaomi-sagit.dtb
dtb-$(CONFIG_ARCH_QCOM) += purwa-iot-evk.dtb

purwa-iot-evk-edp-dtbs := purwa-iot-evk.dtb purwa-iot-evk-edp.dtbo
dtb-$(CONFIG_ARCH_QCOM) += purwa-iot-evk-edp.dtb

purwa-iot-evk-el2-dtbs := purwa-iot-evk.dtb x1-el2.dtbo

dtb-$(CONFIG_ARCH_QCOM) += purwa-iot-evk-el2.dtb
Expand Down
124 changes: 124 additions & 0 deletions arch/arm64/boot/dts/qcom/hamoa-iot-evk-edp.dtso
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,124 @@
// SPDX-License-Identifier: BSD-3-Clause
/*
* Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
*/

/dts-v1/;
/plugin/;

#include <dt-bindings/gpio/gpio.h>

&{/} {
backlight: backlight {
compatible = "pwm-backlight";
pwms = <&pmk8550_pwm 0 5000000>;
enable-gpios = <&pmc8380_3_gpios 4 GPIO_ACTIVE_HIGH>;
power-supply = <&vreg_edp_bl>;

pinctrl-0 = <&edp_bl_en>, <&edp_bl_pwm>;
pinctrl-names = "default";
};

vreg_edp_3p3: regulator-edp-3p3 {
compatible = "regulator-fixed";

regulator-name = "VREG_EDP_3P3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;

gpio = <&tlmm 70 GPIO_ACTIVE_HIGH>;
enable-active-high;

pinctrl-0 = <&edp_reg_en>;
pinctrl-names = "default";

regulator-boot-on;
};

vreg_edp_bl: regulator-edp-bl {
compatible = "regulator-fixed";

regulator-name = "VBL9";
regulator-min-microvolt = <3600000>;
regulator-max-microvolt = <3600000>;

gpio = <&pmc8380_3_gpios 10 GPIO_ACTIVE_HIGH>;
enable-active-high;

pinctrl-0 = <&edp_bl_reg_en>;
pinctrl-names = "default";

regulator-boot-on;
};
};

&mdss_dp3 {
pinctrl-0 = <&edp0_hpd_default>;
pinctrl-names = "default";

status = "okay";

aux-bus {
panel {
compatible = "edp-panel";

backlight = <&backlight>;
power-supply = <&vreg_edp_3p3>;

port {
edp_panel_in: endpoint {
remote-endpoint = <&mdss_dp3_out>;
};
};
};
};
};

&mdss_dp3_out {
data-lanes = <0 1 2 3>;
link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;

remote-endpoint = <&edp_panel_in>;
};

&mdss_dp3_phy {
vdda-phy-supply = <&vreg_l3j_0p8>;
vdda-pll-supply = <&vreg_l2j_1p2>;

status = "okay";
};

&pmc8380_3_gpios {
edp_bl_en: edp-bl-en-state {
pins = "gpio4";
function = "normal";
power-source = <1>;
input-disable;
output-enable;
};

edp_bl_reg_en: edp-bl-reg-en-state {
pins = "gpio10";
function = "normal";
};
};

&pmk8550_gpios {
edp_bl_pwm: edp-bl-pwm-state {
pins = "gpio5";
function = "func3";
};
};

&pmk8550_pwm {
status = "okay";
};

&tlmm {
edp_reg_en: edp-reg-en-state {
pins = "gpio70";
function = "gpio";
drive-strength = <16>;
bias-disable;
};
};
106 changes: 0 additions & 106 deletions arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -19,16 +19,6 @@
serial1 = &uart14;
};

backlight: backlight {
compatible = "pwm-backlight";
pwms = <&pmk8550_pwm 0 5000000>;
enable-gpios = <&pmc8380_3_gpios 4 GPIO_ACTIVE_HIGH>;
power-supply = <&vreg_edp_bl>;

pinctrl-0 = <&edp_bl_en>, <&edp_bl_pwm>;
pinctrl-names = "default";
};

wcd938x: audio-codec {
compatible = "qcom,wcd9385-codec";

Expand Down Expand Up @@ -205,38 +195,6 @@
};
};

vreg_edp_3p3: regulator-edp-3p3 {
compatible = "regulator-fixed";

regulator-name = "VREG_EDP_3P3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;

gpio = <&tlmm 70 GPIO_ACTIVE_HIGH>;
enable-active-high;

pinctrl-0 = <&edp_reg_en>;
pinctrl-names = "default";

regulator-boot-on;
};

vreg_edp_bl: regulator-edp-bl {
compatible = "regulator-fixed";

regulator-name = "VBL9";
regulator-min-microvolt = <3600000>;
regulator-max-microvolt = <3600000>;

gpio = <&pmc8380_3_gpios 10 GPIO_ACTIVE_HIGH>;
enable-active-high;

pinctrl-0 = <&edp_bl_reg_en>;
pinctrl-names = "default";

regulator-boot-on;
};

vreg_nvme: regulator-nvme {
compatible = "regulator-fixed";

Expand Down Expand Up @@ -890,40 +848,6 @@

&mdss_dp3 {
/delete-property/ #sound-dai-cells;

pinctrl-0 = <&edp0_hpd_default>;
pinctrl-names = "default";

status = "okay";

aux-bus {
panel {
compatible = "edp-panel";

backlight = <&backlight>;
power-supply = <&vreg_edp_3p3>;

port {
edp_panel_in: endpoint {
remote-endpoint = <&mdss_dp3_out>;
};
};
};
};
};

&mdss_dp3_out {
data-lanes = <0 1 2 3>;
link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;

remote-endpoint = <&edp_panel_in>;
};

&mdss_dp3_phy {
vdda-phy-supply = <&vreg_l3j_0p8>;
vdda-pll-supply = <&vreg_l2j_1p2>;

status = "okay";
};

&pcie3_port0 {
Expand Down Expand Up @@ -1043,18 +967,6 @@
};

&pmc8380_3_gpios {
edp_bl_en: edp-bl-en-state {
pins = "gpio4";
function = "normal";
power-source = <1>;
input-disable;
output-enable;
};

edp_bl_reg_en: edp-bl-reg-en-state {
pins = "gpio10";
function = "normal";
};
};

&pmc8380_3_gpios {
Expand Down Expand Up @@ -1086,17 +998,6 @@
};
};

&pmk8550_gpios {
edp_bl_pwm: edp-bl-pwm-state {
pins = "gpio5";
function = "func3";
};
};

&pmk8550_pwm {
status = "okay";
};

&smb2360_0 {
status = "okay";
};
Expand Down Expand Up @@ -1249,13 +1150,6 @@
};
};

edp_reg_en: edp-reg-en-state {
pins = "gpio70";
function = "gpio";
drive-strength = <16>;
bias-disable;
};

eusb3_reset_n: eusb3-reset-n-state {
pins = "gpio6";
function = "gpio";
Expand Down
Loading
Loading