[PATCH v12 3/3] arm64: dts: qcom: sdm670-google-sargo: add imx355 front camera

Richard Acayan
2026-03-31T19:44:06Z

The Sony IMX355 is the front camera on the Pixel 3a, mounted in portrait
mode. It is connected to CSIPHY1 and CCI I2C1, and uses MCLK2. Add
support for it.

Co-developed-by: Robert Mader <robert.mader@collabora.com>
Signed-off-by: Robert Mader <robert.mader@collabora.com>
Signed-off-by: Richard Acayan <mailingradian@gmail.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
---
.../boot/dts/qcom/sdm670-google-sargo.dts | 100 ++++++++++++++++++
1 file changed, 100 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm670-google-sargo.dts b/arch/arm64/boot/dts/qcom/sdm670-google-sargo.dts
index ed55646ca419..eba2f3792dd0 100644
--- a/arch/arm64/boot/dts/qcom/sdm670-google-sargo.dts
+++ b/arch/arm64/boot/dts/qcom/sdm670-google-sargo.dts
@@ -172,6 +172,34 @@ vreg_s2b_1p05: vreg-s2b-regulator {
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1050000>;
};
+
+ cam_front_ldo: cam-front-ldo-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "cam_front_ldo";
+ regulator-min-microvolt = <1352000>;
+ regulator-max-microvolt = <1352000>;
+ regulator-enable-ramp-delay = <135>;
+
+ gpios = <&pm660l_gpios 4 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-0 = <&cam_front_ldo_pin>;
+ pinctrl-names = "default";
+ };
+
+ cam_vio_ldo: cam-vio-ldo-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "cam_vio_ldo";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-enable-ramp-delay = <233>;
+
+ gpios = <&pm660_gpios 13 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-0 = <&cam_vio_pin>;
+ pinctrl-names = "default";
+ };
};

&apps_rsc {
@@ -392,6 +420,64 @@ vreg_bob: bob {
};
};

+&camss {
+ vdda-phy-supply = <&vreg_l1a_1p225>;
+ vdda-pll-supply = <&vreg_s6a_0p87>;
+
+ status = "okay";
+};
+
+&camss_port1 {
+ camss_endpoint1: endpoint {
+ data-lanes = <0 1 2 3>;
+ remote-endpoint = <&cam_front_endpoint>;
+ };
+};
+
+&cci {
+ pinctrl-0 = <&cci1_default>;
+ pinctrl-1 = <&cci1_sleep>;
+ pinctrl-names = "default", "sleep";
+
+ status = "okay";
+};
+
+&cci_i2c1 {
+ camera@1a {
+ compatible = "sony,imx355";
+ reg = <0x1a>;
+
+ clocks = <&camcc CAM_CC_MCLK2_CLK>;
+
+ /*
+ * The sensor can accept a 24 MHz clock, but 19.2 MHz has
+ * better driver compatibility.
+ */
+ assigned-clocks = <&camcc CAM_CC_MCLK2_CLK>;
+ assigned-clock-rates = <19200000>;
+
+ reset-gpios = <&tlmm 9 GPIO_ACTIVE_LOW>;
+
+ avdd-supply = <&cam_front_ldo>;
+ dvdd-supply = <&cam_front_ldo>;
+ dovdd-supply = <&cam_vio_ldo>;
+
+ pinctrl-0 = <&cam_mclk2_default>;
+ pinctrl-names = "default";
+
+ rotation = <270>;
+ orientation = <0>;
+
+ port {
+ cam_front_endpoint: endpoint {
+ data-lanes = <1 2 3 4>;
+ link-frequencies = /bits/ 64 <360000000>;
+ remote-endpoint = <&camss_endpoint1>;
+ };
+ };
+ };
+};
+
&gcc {
protected-clocks = <GCC_QSPI_CORE_CLK>,
<GCC_QSPI_CORE_CLK_SRC>,
@@ -490,6 +576,14 @@ &pm660_charger {
status = "okay";
};

+&pm660_gpios {
+ cam_vio_pin: cam-vio-state {
+ pins = "gpio13";
+ function = "normal";
+ power-source = <0>;
+ };
+};
+
&pm660_rradc {
status = "okay";
};
@@ -508,6 +602,12 @@ led-0 {
};

&pm660l_gpios {
+ cam_front_ldo_pin: cam-front-state {
+ pins = "gpio4";
+ function = "normal";
+ power-source = <0>;
+ };
+
vol_up_pin: vol-up-state {
pins = "gpio7";
function = "normal";
--
2.53.0