[PATCH 2/2] arm64: dts: qcom: sdm845-shift-axolotl: Add actuator for main rear camera
From: David Heidelberg via B4 Relay
Date: Wed Jul 29 2026 - 17:59:06 EST
From: David Heidelberg <david@xxxxxxx>
Main rear camera uses Dongwoon DW9714V actuator. Add regulator and
actuator node.
Signed-off-by: David Heidelberg <david@xxxxxxx>
---
arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts | 61 +++++++++++++++++++++++
1 file changed, 61 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts b/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts
index e31c784eff3de..6d0254e205850 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-shift-axolotl.dts
@@ -81,16 +81,42 @@ ramoops: ramoops@b0000000 {
battery: battery {
compatible = "simple-battery";
charge-full-design-microamp-hours = <3850000>;
voltage-min-design-microvolt = <3600000>;
voltage-max-design-microvolt = <4400000>;
};
+ /* SGM2036-2.8YUDH4G/TR */
+ cam_bus_2p8: cam-bus-2p8-regulator {
+ compatible = "regulator-fixed";
+
+ regulator-name = "cam_bus_2p8";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-enable-ramp-delay = <100>;
+
+ gpio = <&tlmm 8 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-0 = <&cam_bus_avdd_default_state>;
+ pinctrl-1 = <&cam_bus_avdd_sleep_state>;
+ pinctrl-names = "default", "sleep";
+
+ vin-supply = <&vreg_bob>;
+
+ /*
+ * TODO: This node represent bus supply to the cam i2c module.
+ * Others DT do in similar fashion, but should be addressed
+ * by the bus-supply in the future
+ */
+ regulator-always-on;
+ };
+
vph_pwr: vph-pwr-regulator {
compatible = "regulator-fixed";
regulator-name = "vph_pwr";
regulator-min-microvolt = <3700000>;
regulator-max-microvolt = <3700000>;
};
vreg_s4a_1p8: pm8998-smps4 {
@@ -447,16 +473,36 @@ vreg_s3c_0p6: smps3 {
};
&cdsp_pas {
firmware-name = "qcom/sdm845/SHIFT/axolotl/cdsp.mbn";
status = "okay";
};
+&camss {
+ vdda-phy-supply = <&vreg_l1a_0p875>;
+ vdda-pll-supply = <&vdda_mipi_csi_1p25>;
+
+ status = "okay";
+};
+
+&cci {
+ status = "okay";
+};
+
+&cci_i2c0 {
+ rear_camera_actuator: actuator@c {
+ compatible = "dongwoon,dw9714v", "dongwoon,dw9714a", "dongwoon,dw9714";
+ reg = <0x0c>;
+
+ vcc-supply = <&vreg_lvs1a_1p8>;
+ };
+};
+
&gcc {
protected-clocks = <GCC_QSPI_CORE_CLK>,
<GCC_QSPI_CORE_CLK_SRC>,
<GCC_QSPI_CNOC_PERIPH_AHB_CLK>,
<GCC_LPASS_Q6_AXI_CLK>,
<GCC_LPASS_SWAY_CLK>;
};
@@ -699,16 +745,31 @@ &slpi_pas {
firmware-name = "qcom/sdm845/SHIFT/axolotl/slpi.mbn";
status = "okay";
};
&tlmm {
gpio-reserved-ranges = <0 4>, <81 4>;
+ cam_bus_avdd_default_state: cam-bus-avdd-default-state {
+ pins = "gpio8";
+ function = "gpio";
+ bias-disable;
+ drive-strength = <2>;
+ };
+
+ cam_bus_avdd_sleep_state: cam-bus-avdd-sleep-state {
+ pins = "gpio8";
+ function = "gpio";
+ bias-disable;
+ drive-strength = <2>;
+ output-low;
+ };
+
sdc2_default_state: sdc2-default-state {
clk-pins {
pins = "sdc2_clk";
drive-strength = <16>;
bias-disable;
};
cmd-pins {
--
2.53.0