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Add Shikra (QCM2390) display support for CQS and CQM targets #679

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Add Shikra (QCM2390) display support for CQS and CQM targets #679

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d7c4336
PENDING: arm64: dts: qcom: shikra: Add MDSS display subsystem
Jun 8, 2026
0485d80
PENDING: arm64: dts: qcom: shikra-cqm-evk: Enable display and add ili…
Jun 8, 2026
c43ab95
PENDING: arm64: defconfig: Enable ILI7807S DSI panel driver
naala-qcom Jun 9, 2026
f05966c
PENDING: arm64: dts: qcom: shikra-cqs-evk: Enable display
naala-qcom Jun 9, 2026
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87 changes: 87 additions & 0 deletions arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,18 @@
stdout-path = "serial0:115200n8";
};

lcd_bias: regulator-lcd-bias {
compatible = "regulator-fixed";
regulator-name = "lcd_bias";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&pm4125_l17>;
gpio = <&tlmm 151 GPIO_ACTIVE_HIGH>;
enable-active-high;
pinctrl-0 = <&lcd_bias_en>;
pinctrl-names = "default";
};

sound: sound {
compatible = "qcom,shikra-cqm-sndcard";
model = "shikra-cqm-evk";
Expand Down Expand Up @@ -259,6 +271,46 @@
};
};

&mdss {
status = "okay";
};

&mdss_dsi0 {
vdda-supply = <&pm4125_l5>;
status = "okay";

panel@0 {
compatible = "dlc,dlc0697";
reg = <0>;

reset-gpios = <&tlmm 3 GPIO_ACTIVE_LOW>;
backlight-en-gpios = <&tlmm 91 GPIO_ACTIVE_HIGH>;

vddi-supply = <&pm4125_l15>;
avdd-supply = <&lcd_bias>;
avee-supply = <&lcd_bias>;

pinctrl-0 = <&panel_rst_n &panel_te_pin>;
pinctrl-1 = <&panel_rst_n_suspend>;
pinctrl-names = "default", "sleep";

port {
panel_in: endpoint {
remote-endpoint = <&mdss_dsi0_out>;
};
};
};
};

&mdss_dsi0_out {
remote-endpoint = <&panel_in>;
data-lanes = <0 1 2 3>;
};

&mdss_dsi0_phy {
status = "okay";
};

&pcie {
wake-gpios = <&tlmm 119 GPIO_ACTIVE_LOW>;

Expand Down Expand Up @@ -371,6 +423,13 @@
remote-endpoint = <&usb_1_dwc3_hs>;
};

&pm4125_l5 {
/* DSI VDDA - must be at NOM voltage for PHY PLL lock */
regulator-min-microvolt = <1232000>;
regulator-max-microvolt = <1232000>;
regulator-allow-set-load;
};

&pm4125_ss_in {
remote-endpoint = <&usb_qmpphy_out>;
};
Expand Down Expand Up @@ -542,6 +601,34 @@
bias-disable;
};

lcd_bias_en: lcd-bias-en-state {
pins = "gpio151";
function = "gpio";
drive-strength = <2>;
bias-disable;
};

panel_rst_n: panel-rst-n-state {
pins = "gpio3";
function = "gpio";
drive-strength = <8>;
bias-disable;
};

panel_rst_n_suspend: panel-rst-n-suspend-state {
pins = "gpio3";
function = "gpio";
drive-strength = <2>;
bias-pull-down;
};

panel_te_pin: panel-te-pin-state {
pins = "gpio86";
function = "mdp_vsync_p";
drive-strength = <2>;
bias-pull-down;
};

pcie_default_state: pcie-default-state {
clkreq-pins {
pins = "gpio117";
Expand Down
87 changes: 87 additions & 0 deletions arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,18 @@
};
};

lcd_bias: regulator-lcd-bias {
compatible = "regulator-fixed";
regulator-name = "lcd_bias";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&pm4125_l17>;
gpio = <&tlmm 151 GPIO_ACTIVE_HIGH>;
enable-active-high;
pinctrl-0 = <&lcd_bias_en>;
pinctrl-names = "default";
};

vreg_0p9: regulator-0v9 {
compatible = "regulator-fixed";
regulator-name = "VREG_0P9";
Expand Down Expand Up @@ -239,6 +251,46 @@
};
};

&mdss {
status = "okay";
};

&mdss_dsi0 {
vdda-supply = <&pm4125_l5>;
status = "okay";

panel@0 {
compatible = "dlc,dlc0697";
reg = <0>;

reset-gpios = <&tlmm 3 GPIO_ACTIVE_LOW>;
backlight-en-gpios = <&tlmm 91 GPIO_ACTIVE_HIGH>;

vddi-supply = <&pm4125_l15>;
avdd-supply = <&lcd_bias>;
avee-supply = <&lcd_bias>;

pinctrl-0 = <&panel_rst_n &panel_te_pin>;
pinctrl-1 = <&panel_rst_n_suspend>;
pinctrl-names = "default", "sleep";

port {
panel_in: endpoint {
remote-endpoint = <&mdss_dsi0_out>;
};
};
};
};

&mdss_dsi0_out {
remote-endpoint = <&panel_in>;
data-lanes = <0 1 2 3>;
};

&mdss_dsi0_phy {
status = "okay";
};

&pcie {
wake-gpios = <&tlmm 119 GPIO_ACTIVE_LOW>;

Expand Down Expand Up @@ -351,6 +403,13 @@
remote-endpoint = <&usb_1_dwc3_hs>;
};

&pm4125_l5 {
/* DSI VDDA - must be at NOM voltage for PHY PLL lock */
regulator-min-microvolt = <1232000>;
regulator-max-microvolt = <1232000>;
regulator-allow-set-load;
};

&pm4125_ss_in {
remote-endpoint = <&usb_qmpphy_out>;
};
Expand Down Expand Up @@ -463,6 +522,34 @@
bias-disable;
};

lcd_bias_en: lcd-bias-en-state {
pins = "gpio151";
function = "gpio";
drive-strength = <2>;
bias-disable;
};

panel_rst_n: panel-rst-n-state {
pins = "gpio3";
function = "gpio";
drive-strength = <8>;
bias-disable;
};

panel_rst_n_suspend: panel-rst-n-suspend-state {
pins = "gpio3";
function = "gpio";
drive-strength = <2>;
bias-pull-down;
};

panel_te_pin: panel-te-pin-state {
pins = "gpio86";
function = "mdp_vsync_p";
drive-strength = <2>;
bias-pull-down;
};

pcie_default_state: pcie-default-state {
clkreq-pins {
pins = "gpio117";
Expand Down
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