[PATCH 3/4] arm64: dts: qcom: sc8280xp: gaokun3: add front camera sensor node

Pengyu Luo
2026-04-25T10:56:41Z

Hi846 is found on my Gaokun3, descripting it.

Note that it seems that only Goakun3(3.0GHz) version is equipped with
Hi846. Goakun3(2.69GHz) version is equipped with S5K4H7.

Signed-off-by: Pengyu Luo <mitltlatltl@gmail.com>
---
.../boot/dts/qcom/sc8280xp-huawei-gaokun3.dts | 128 ++++++++++++++++++
1 file changed, 128 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts b/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts
index 9819454abe13..39e559e91289 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts
@@ -15,6 +15,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/gpio-keys.h>
#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
#include <dt-bindings/phy/phy.h>

@@ -27,6 +28,7 @@ / {
compatible = "huawei,gaokun3", "qcom,sc8280xp";

aliases {
+ i2c2 = &cci2_i2c1;
i2c4 = &i2c4;
i2c15 = &i2c15;
serial1 = &uart2;
@@ -47,6 +49,21 @@ framebuffer0: framebuffer@c6200000 {
};
};

+ leds {
+ compatible = "gpio-leds";
+
+ pinctrl-0 = <&cam_indicator_en>;
+ pinctrl-names = "default";
+
+ privacy_led: privacy-led {
+ function = LED_FUNCTION_INDICATOR;
+ color = <LED_COLOR_ID_WHITE>;
+ gpios = <&tlmm 34 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ panic-indicator;
+ };
+ };
+
wcd938x: audio-codec {
compatible = "qcom,wcd9380-codec";

@@ -98,6 +115,20 @@ switch-mode {
};
};

+ vreg_camf_1p2: regulator-camf-1p2 {
+ compatible = "regulator-fixed";
+
+ regulator-name = "vreg_camf_1p2";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+
+ gpio = <&tlmm 44 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-0 = <&camf_1p2_reg_en>;
+ pinctrl-names = "default";
+ };
+
vreg_misc_3p3: regulator-misc-3p3 {
compatible = "regulator-fixed";

@@ -462,6 +493,13 @@ vreg_l8c: ldo8 {
RPMH_REGULATOR_MODE_HPM>;
};

+ vreg_l11c: ldo11 {
+ regulator-name = "vreg_l11c";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+ };
+
vreg_l12c: ldo12 {
regulator-name = "vreg_l12c";
regulator-min-microvolt = <1800000>;
@@ -577,6 +615,66 @@ vreg_l10d: ldo10 {
};
};

+&camss {
+ vdda-phy-supply = <&vreg_l6b>;
+ vdda-pll-supply = <&vreg_l3b>;
+
+ status = "okay";
+
+ ports {
+ port@3 {
+ csiphy3_ep: endpoint@0 {
+ reg = <0>;
+
+ clock-lanes = <7>;
+ data-lanes = <0 1 2 3>;
+ remote-endpoint = <&hi846_ep>;
+ };
+ };
+ };
+};
+
+&cci2 {
+ status = "okay";
+};
+
+&cci2_i2c1 {
+ /* On Goakun3(2.69GHz), S5K4H7@2d, image quality is better than hi846 */
+ camera_front: camera@20 {
+ compatible = "hynix,hi846";
+ reg = <0x20>;
+
+ pinctrl-0 = <&camf_rgb_default>;
+ pinctrl-names = "default";
+
+ clocks = <&camcc CAMCC_MCLK3_CLK>;
+
+ assigned-clocks = <&camcc CAMCC_MCLK3_CLK>;
+ assigned-clock-rates = <24000000>;
+
+ reset-gpios = <&tlmm 15 GPIO_ACTIVE_LOW>;
+ vddio-supply = <&vreg_l2c>;
+ vdda-supply = <&vreg_l11c>;
+ vddd-supply = <&vreg_camf_1p2>;
+
+ leds = <&privacy_led>;
+ led-names = "privacy";
+
+ orientation = <0>; /* Front facing */
+ rotation = <0>;
+
+ port {
+ hi846_ep: endpoint {
+ data-lanes = <1 2 3 4>;
+ link-frequencies = /bits/ 64 <80000000 144000000 200000000 288000000>;
+ remote-endpoint = <&csiphy3_ep>;
+ };
+ };
+ };
+
+ /* actuator???@58, Goakun3(2.69GHz) only, eeprom@50 */
+};
+
&dispcc0 {
status = "okay";
};
@@ -1318,6 +1416,36 @@ hstp-sw-ctrl-pins {
};
};

+ cam_indicator_en: cam-indicator-en-state {
+ pins = "gpio34";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ camf_1p2_reg_en: camf-1p2-reg-en-state {
+ pins = "gpio44";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ camf_rgb_default: camf-rgb-default-state {
+ mclk-pins {
+ pins = "gpio17";
+ function = "cam_mclk";
+ drive-strength = <6>;
+ bias-disable;
+ };
+
+ sc-rgb-xshut-n-pins {
+ pins = "gpio15";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+
i2c4_default: i2c4-default-state {
pins = "gpio171", "gpio172";
function = "qup4";
--
2.54.0