[PATCH v2 2/2] arm64: dts: qcom: sm8250-xiaomi-elish: add ov8856 front camera
From: Xin Xu
Date: Mon Jun 22 2026 - 14:53:36 EST
Add the ov8856 front camera, connected on CCI1 to CSIPHY4 and
powered by pm8008 LDOs and other supplies.
Signed-off-by: Xin Xu <xxsemail@xxxxxx>
---
Changes in v2:
- Fix coding style (property order)
.../dts/qcom/sm8250-xiaomi-elish-common.dtsi | 70 +++++++++++++++++++
1 file changed, 70 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-common.dtsi b/arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-common.dtsi
index c514478cba4f..262cb9f29ebc 100644
--- a/arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-common.dtsi
@@ -4,6 +4,7 @@
*/
#include <dt-bindings/arm/qcom,ids.h>
+#include <dt-bindings/media/video-interfaces.h>
#include <dt-bindings/phy/phy.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
#include <dt-bindings/usb/pd.h>
@@ -531,6 +532,61 @@ vreg_l7f_1p8: ldo7 {
};
};
+&camss {
+ status = "okay";
+
+ vdda-phy-supply = <&vreg_l5a_0p88>;
+ vdda-pll-supply = <&vreg_l9a_1p2>;
+
+ ports {
+ port@4 {
+ csiphy4_ep: endpoint {
+ clock-lanes = <7>;
+ data-lanes = <0 1>;
+ bus-type = <MEDIA_BUS_TYPE_CSI2_DPHY>;
+ remote-endpoint = <&ov8856_front_ep>;
+ };
+ };
+ };
+};
+
+&cci1 {
+ status = "okay";
+};
+
+&cci1_i2c1 {
+ camera_front: camera@10 {
+ compatible = "ovti,ov8856";
+ reg = <0x10>;
+
+ avdd-supply = <&vreg_l5p>;
+ dovdd-supply = <&vreg_l1c_1p8>;
+ dvdd-supply = <&vreg_l1p>;
+
+ clocks = <&camcc CAM_CC_MCLK3_CLK>;
+ clock-names = "xvclk";
+ assigned-clocks = <&camcc CAM_CC_MCLK3_CLK>;
+ assigned-clock-rates = <19200000>;
+
+ reset-gpios = <&tlmm 109 GPIO_ACTIVE_LOW>;
+
+ pinctrl-0 = <&mclk3_active &camera_front_active>;
+ pinctrl-names = "default";
+
+ orientation = <0>; /* Front facing */
+ rotation = <270>;
+
+ port {
+ ov8856_front_ep: endpoint {
+ data-lanes = <1 2>;
+ link-frequencies = /bits/ 64
+ <720000000 360000000>;
+ remote-endpoint = <&csiphy4_ep>;
+ };
+ };
+ };
+};
+
&cdsp {
firmware-name = "qcom/sm8250/xiaomi/elish/cdsp.mbn";
status = "okay";
@@ -877,6 +933,20 @@ bt_en_state: bt-default-state {
bias-pull-up;
};
+ camera_front_active: camera-front-active-state {
+ pins = "gpio109";
+ function = "gpio";
+ bias-disable;
+ drive-strength = <2>;
+ };
+
+ mclk3_active: mclk3-active-state {
+ pins = "gpio97";
+ function = "cam_mclk";
+ bias-disable;
+ drive-strength = <4>;
+ };
+
pm8008_default: pm8008-default-state {
int-pins {
pins = "gpio84";
--
2.53.0