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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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f6b49b8
PENDING: arm64: dts: qcom: shikra: Add MDSS display subsystem
Jun 8, 2026
909389e
PENDING: arm64: dts: qcom: shikra-cqm-evk: Enable display and add ili…
Jun 8, 2026
8be24ab
PENDING: arm64: defconfig: Enable ILI7807S DSI panel driver
naala-qcom Jun 9, 2026
1e4ca6b
PENDING: arm64: dts: qcom: shikra-cqs-evk: Enable display
naala-qcom Jun 9, 2026
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88 changes: 88 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 @@ -22,6 +22,64 @@
chosen {
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";
};
};

&mdss {
status = "okay";
};

&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;
};

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

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

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

vddio-supply = <&pm4125_l15>;
bias-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";
};

&audiocorecc {
Expand Down Expand Up @@ -84,3 +142,33 @@

status = "okay";
};

&tlmm {
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;
};
};
92 changes: 92 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 @@ -22,6 +22,64 @@
chosen {
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";
};
};

&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>;
enable-gpios = <&tlmm 91 GPIO_ACTIVE_HIGH>;

vddio-supply = <&pm4125_l15>;
bias-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";
};

&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;
};

&audiocorecc {
Expand Down Expand Up @@ -75,6 +133,10 @@
};
};

&usb_qmpphy_out {
remote-endpoint = <&pm4125_ss_in>;
};

&wifi {
vdd-0.8-cx-mx-supply = <&pm4125_l7>;
vdd-1.8-xo-supply = <&pm4125_l13>;
Expand All @@ -85,3 +147,33 @@

status = "okay";
};

&tlmm {
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;
};
};
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