arm64: dts: qcom: msm8916-longcheer-l8910: add rear camera support

arch/arm64/boot/dts/qcom/msm8916-longcheer-l8910.dts

@@ -45,6 +45,26 @@
 		default-brightness-level = <255>;
 	};
 
+	cam_vana_rear_vreg: cam-vana-rear-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "cam_vana_rear_vreg";
+		startup-delay-us = <0>;
+		enable-active-high;
+		gpio = <&tlmm 34 GPIO_ACTIVE_HIGH>;
+		pinctrl-0 = <&imx214_vana_default>;
+		pinctrl-names = "default";
+	};
+
+	cam_vdig_rear_vreg: cam-vdig-rear-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "cam_vdig_rear_vreg";
+		startup-delay-us = <0>;
+		enable-active-high;
+		gpio = <&tlmm 31 GPIO_ACTIVE_HIGH>;
+		pinctrl-0 = <&imx214_vdig_default>;
+		pinctrl-names = "default";
+	};
+
 	flash-led-controller {
 		compatible = "ocs,ocp8110";
 		enable-gpios = <&tlmm 49 GPIO_ACTIVE_HIGH>;
@@ -277,6 +297,51 @@
 	status = "okay";
 };
 
+&camss {
+	status = "okay";
+
+	ports {
+		port@0 {
+			reg = <0>;
+			csiphy0_ep: endpoint {
+				clock-lanes = <1>;
+				data-lanes = <0 2 3 4>;
+				remote-endpoint = <&imx214_ep>;
+			};
+		};
+	};
+};
+
+&cci {
+	status = "okay";
+};
+
+&cci_i2c0 {
+	camera@10 {
+		compatible = "sony,imx214";
+		reg = <0x10>;
+
+		vdda-supply = <&cam_vana_rear_vreg>;
+		vddd-supply = <&cam_vdig_rear_vreg>;
+		vdddo-supply = <&pm8916_l6>;
+		enable-gpios = <&tlmm 35 GPIO_ACTIVE_HIGH>;
+		clocks = <&gcc GCC_CAMSS_MCLK0_CLK>;
+		clock-frequency = <24000000>;
+		pinctrl-0 = <&camera_rear_default>;
+		pinctrl-names = "default";
+
+		orientation = <1>; /* Rear camera */
+
+		port {
+			imx214_ep: endpoint {
+				data-lanes = <1 2 3 4>;
+				link-frequencies = /bits/ 64 <600000000>;
+				remote-endpoint = <&csiphy0_ep>;
+			};
+		};
+	};
+};
+
 &gpu {
 	status = "okay";
 };
@@ -455,6 +520,22 @@
 		bias-pull-up;
 	};
 
+	imx214_vana_default: imx214-vana-default-state {
+		pins = "gpio34";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	imx214_vdig_default: imx214-vdig-default-state {
+		pins = "gpio31";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-disable;
+	};
+
 	mag_reset_default: mag-reset-default-state {
 		pins = "gpio111";
 		function = "gpio";
@@ -539,3 +620,7 @@
 		qcom,dtest = <1>;
 	};
 };
+
+&camera_rear_default {
+	/delete-node/ pwdn-pins;
+};

arch/arm64/configs/msm8916_defconfig

@@ -111,6 +111,7 @@ CONFIG_MODULE_SRCVERSION_ALL=y
 CONFIG_KSM=y
 CONFIG_TRANSPARENT_HUGEPAGE=y
 CONFIG_CMA=y
+CONFIG_CMA_SIZE_MBYTES=256
 CONFIG_LRU_GEN=y
 CONFIG_LRU_GEN_ENABLED=y
 CONFIG_NET=y
@@ -272,6 +273,7 @@ CONFIG_V4L_PLATFORM_DRIVERS=y
 CONFIG_V4L_MEM2MEM_DRIVERS=y
 CONFIG_VIDEO_QCOM_CAMSS=m
 CONFIG_VIDEO_QCOM_VENUS=m
+CONFIG_VIDEO_IMX214=m
 CONFIG_DRM=y
 CONFIG_DRM_MSM=m
 # CONFIG_DRM_MSM_MDP4 is not set

drivers/media/i2c/Kconfig

@@ -140,6 +140,7 @@ config VIDEO_IMX214
 	tristate "Sony IMX214 sensor support"
 	depends on GPIOLIB
 	select REGMAP_I2C
+	select V4L2_CCI_I2C
 	help
 	  This is a Video4Linux2 sensor driver for the Sony
 	  IMX214 camera.