Commit d4919a44 authored by Robert Foss's avatar Robert Foss Committed by Bjorn Andersson
Browse files

arm64: dts: qcom: sdm845-db845c: Add ov8856 & ov7251 camera nodes 



Enable the ov8856 main camera and the ov7251 b/w tracking camera
used on the Qualcomm RB3 kit.

Currently the camera nodes have not yet been attached to an to a
CSI2 endpoint, since no driver currently supports the ISP that the the
SDM845/db845c ships with.

Signed-off-by: default avatarRobert Foss <robert.foss@linaro.org>
Reviewed-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200324155843.10719-6-robert.foss@linaro.org


Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
parent 68fc0fac

arch/arm64/boot/dts/qcom/sdm845-db845c.dts

+178 −0
Original line number Diff line number Diff line
@@ -112,6 +112,40 @@ 
		// enable-active-high;

	};



	cam0_dvdd_1v2: reg_cam0_dvdd_1v2 {

		compatible = "regulator-fixed";

		regulator-name = "CAM0_DVDD_1V2";

		regulator-min-microvolt = <1200000>;

		regulator-max-microvolt = <1200000>;

		enable-active-high;

		gpio = <&pm8998_gpio 12 GPIO_ACTIVE_HIGH>;

		pinctrl-names = "default";

		pinctrl-0 = <&cam0_dvdd_1v2_en_default>;

		vin-supply = <&vbat>;

	};



	cam0_avdd_2v8: reg_cam0_avdd_2v8 {

		compatible = "regulator-fixed";

		regulator-name = "CAM0_AVDD_2V8";

		regulator-min-microvolt = <2800000>;

		regulator-max-microvolt = <2800000>;

		enable-active-high;

		gpio = <&pm8998_gpio 10 GPIO_ACTIVE_HIGH>;

		pinctrl-names = "default";

		pinctrl-0 = <&cam0_avdd_2v8_en_default>;

		vin-supply = <&vbat>;

	};



	/* This regulator is enabled when the VREG_LVS1A_1P8 trace is enabled */

	cam3_avdd_2v8: reg_cam3_avdd_2v8 {

		compatible = "regulator-fixed";

		regulator-name = "CAM3_AVDD_2V8";

		regulator-min-microvolt = <2800000>;

		regulator-max-microvolt = <2800000>;

		regulator-always-on;

		vin-supply = <&vbat>;

	};



	pcie0_3p3v_dual: vldo-3v3-regulator {

		compatible = "regulator-fixed";

		regulator-name = "VLDO_3V3";
@@ -440,6 +474,24 @@ 
		"OPTION2",

		"PM845_SLB";



	cam0_dvdd_1v2_en_default: cam0-dvdd-1v2-en {

		pins = "gpio12";

		function = "normal";



		bias-pull-up;

		drive-push-pull;

		qcom,drive-strength = <PMIC_GPIO_STRENGTH_HIGH>;

	};



	cam0_avdd_2v8_en_default: cam0-avdd-2v8-en {

		pins = "gpio10";

		function = "normal";



		bias-pull-up;

		drive-push-pull;

		qcom,drive-strength = <PMIC_GPIO_STRENGTH_HIGH>;

	};



	vol_up_pin_a: vol-up-active {

		pins = "gpio6";

		function = "normal";
@@ -601,6 +653,42 @@ 
};



&tlmm {

	cam0_default: cam0_default {

		rst {

			pins = "gpio9";

			function = "gpio";



			drive-strength = <16>;

			bias-disable;

		};



		mclk0 {

			pins = "gpio13";

			function = "cam_mclk";



			drive-strength = <16>;

			bias-disable;

		};

	};



	cam3_default: cam3_default {

		rst {

			function = "gpio";

			pins = "gpio21";



			drive-strength = <16>;

			bias-disable;

		};



		mclk3 {

			function = "cam_mclk";

			pins = "gpio16";



			drive-strength = <16>;

			bias-disable;

		};

	};



	pcie0_default_state: pcie0-default {

		clkreq {

			pins = "gpio36";
@@ -895,6 +983,96 @@ 
	};

};



&pm8998_gpio {



};



&cci {

	status = "ok";

};



&cci_i2c0 {

	camera@10 {

		compatible = "ovti,ov8856";

		reg = <0x10>;



		// CAM0_RST_N

		reset-gpios = <&tlmm 9 0>;

		pinctrl-names = "default";

		pinctrl-0 = <&cam0_default>;

		gpios = <&tlmm 13 0>,

			<&tlmm 9 0>;



		clocks = <&clock_camcc CAM_CC_MCLK0_CLK>;

		clock-names = "xvclk";

		clock-frequency = <19200000>;



		/* The &vreg_s4a_1p8 trace is powered on as a,

		 * so it is represented by a fixed regulator.

		 *

		 * The 2.8V vdda-supply and 1.2V vddd-supply regulators

		 * both have to be enabled through the power management

		 * gpios.

		 */

		power-domains = <&clock_camcc TITAN_TOP_GDSC>;



		dovdd-supply = <&vreg_lvs1a_1p8>;

		avdd-supply = <&cam0_avdd_2v8>;

		dvdd-supply = <&cam0_dvdd_1v2>;



		status = "disable";



		port {

			ov8856_ep: endpoint {

				clock-lanes = <1>;

				link-frequencies = /bits/ 64

					<360000000 180000000>;

				data-lanes = <1 2 3 4>;

//				remote-endpoint = <&csiphy0_ep>;

			};

		};

	};

};



&cci_i2c1 {

	camera@60 {

		compatible = "ovti,ov7251";



		// I2C address as per ov7251.txt linux documentation

		reg = <0x60>;



		// CAM3_RST_N

		enable-gpios = <&tlmm 21 0>;

		pinctrl-names = "default";

		pinctrl-0 = <&cam3_default>;

		gpios = <&tlmm 16 0>,

			<&tlmm 21 0>;



		clocks = <&clock_camcc CAM_CC_MCLK3_CLK>;

		clock-names = "xclk";

		clock-frequency = <24000000>;



		/* The &vreg_s4a_1p8 trace always powered on.

		 *

		 * The 2.8V vdda-supply regulator is enabled when the

		 * vreg_s4a_1p8 trace is pulled high.

		 * It too is represented by a fixed regulator.

		 *

		 * No 1.2V vddd-supply regulator is used.

		 */

		power-domains = <&clock_camcc TITAN_TOP_GDSC>;



		vdddo-supply = <&vreg_lvs1a_1p8>;

		vdda-supply = <&cam3_avdd_2v8>;



		status = "disable";



		port {

			ov7251_ep: endpoint {

				clock-lanes = <1>;

				data-lanes = <0 1>;

//				remote-endpoint = <&csiphy3_ep>;

			};

		};

	};

};