[PATCH v1 11/17] ARM: dts: imx6q-apalis: Add ov5640 mipi csi camera

Max Krummenacher
2022-05-16T12:00:57Z

From: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>

The Apalis iMX6 modules allow connecting a mipi-csi video input.
Add support for our OV5640 camera module but have it disabled.
This allows to enable it in an overlay per the current system
configuration.

Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
---

arch/arm/boot/dts/imx6qdl-apalis.dtsi | 67 ++++++++++++++++++++++++++-
1 file changed, 66 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
index 506d040ea37a..0d1004eede62 100644
--- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
@@ -29,6 +29,12 @@
status = "disabled";
};

+ clk_ov5640_osc: clk_ov5640_osc_int {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <24000000>;
+ };
+
lcd_display: disp0 {
compatible = "fsl,imx-parallel-display";
#address-cells = <1>;
@@ -96,6 +102,26 @@
regulator-always-on;
};

+ reg_ov5640_1v8_d_o_vdd: regulator-ov5640-1v8-d-o-vdd {
+ compatible = "regulator-fixed";
+ regulator-always-on;
+ regulator-max-microvolt = <1800000>;
+ regulator-min-microvolt = <1800000>;
+ regulator-name = "DOVDD/DVDD_1.8V";
+ /* Note: The CSI module uses on-board 3.3V_SW supply */
+ vin-supply = <&reg_module_3v3>;
+ };
+
+ reg_ov5640_2v8_a_vdd: regulator-ov5640-2v8-a-vdd {
+ compatible = "regulator-fixed";
+ regulator-always-on;
+ regulator-max-microvolt = <2800000>;
+ regulator-min-microvolt = <2800000>;
+ regulator-name = "AVDD/AFVDD_2.8V";
+ /* Note: The CSI module uses on-board 3.3V_SW supply */
+ vin-supply = <&reg_module_3v3>;
+ };
+
reg_usb_otg_vbus: regulator-usb-otg-vbus {
compatible = "regulator-fixed";
pinctrl-names = "default";
@@ -438,7 +464,6 @@
reset-gpios = <&gpio6 9 GPIO_ACTIVE_LOW>; /* MXM3_13 */
status = "disabled";
};
-
};

/*
@@ -617,6 +642,30 @@
scl-gpios = <&gpio3 17 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
sda-gpios = <&gpio3 18 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "disabled";
+
+ ov5640_csi_cam: ov5640_mipi@3c {
+ compatible = "ovti,ov5640";
+ AVDD-supply = <&reg_ov5640_2v8_a_vdd>;
+ DOVDD-supply = <&reg_ov5640_1v8_d_o_vdd>;
+ DVDD-supply = <&reg_ov5640_1v8_d_o_vdd>;
+ clocks = <&clks IMX6QDL_CLK_CKO2>;
+ clock-names = "xclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_cam_mclk>;
+ /* These GPIOs are muxed with the iomuxc node */
+ powerdown-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
+ reg = <0x3c>;
+ reset-gpios = <&gpio2 4 GPIO_ACTIVE_LOW>;
+ status = "disabled";
+
+ port {
+ ov5640_to_mipi_csi2: endpoint {
+ clock-lanes = <0>;
+ data-lanes = <1 2>;
+ remote-endpoint = <&mipi_csi_from_ov5640>;
+ };
+ };
+ };
};

&ipu1_di1_disp1 {
@@ -647,6 +696,22 @@
};
};

+&mipi_csi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+
+ port@0 {
+ reg = <0>;
+
+ mipi_csi_from_ov5640: endpoint {
+ clock-lanes = <0>;
+ data-lanes = <1 2>;
+ remote-endpoint = <&ov5640_to_mipi_csi2>;
+ };
+ };
+};
+
&pwm1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm1>;
--
2.20.1