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sunxi: add cam support to nanopi-neo-air

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Signed-off-by: mpromonet <michel.promonet@free.fr>
This commit is contained in:
mpromonet
2022-10-10 19:29:12 +02:00
parent b5de5d2be4
commit bb5817fe0e
4 changed files with 109 additions and 127 deletions
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101
recipes-kernel/linux/linux-mainline/0002-dts-nanopi-neo-air-add-camera.patch Normal file
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@ -0,0 +1,101 @@
diff --git a/arch/arm/boot/dts/sun8i-h3-nanopi-neo-air.dts b/arch/arm/boot/dts/sun8i-h3-nanopi-neo-air.dts
index cd3df12b65..33a161692f 100644
--- a/arch/arm/boot/dts/sun8i-h3-nanopi-neo-air.dts
+++ b/arch/arm/boot/dts/sun8i-h3-nanopi-neo-air.dts
@@ -77,6 +77,39 @@
compatible = "mmc-pwrseq-simple";
reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
};
+
+ cam_xclk: cam-xclk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <24000000>;
+ clock-output-names = "cam-xclk";
+ };
+
+ reg_cam_avdd: cam-avdd {
+ compatible = "regulator-fixed";
+ regulator-name = "cam-avdd";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ vin-supply = <&reg_vcc3v3>;
+ };
+
+ reg_cam_dovdd: cam-dovdd {
+ compatible = "regulator-fixed";
+ regulator-name = "cam-dovdd";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ vin-supply = <&reg_vcc3v3>;
+ };
+
+ reg_cam_dvdd: cam-dvdd {
+ compatible = "regulator-fixed";
+ regulator-name = "cam-dvdd";
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ vin-supply = <&reg_vcc3v3>;
+ };
+
+
};
&mmc0 {
@@ -141,3 +174,55 @@
/* USB VBUS is always on */
status = "okay";
};
+
+&csi {
+ status = "okay";
+
+ port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* Parallel bus endpoint */
+ csi_from_ov5640: endpoint {
+ remote-endpoint = <&ov5640_to_csi>;
+ bus-width = <8>;
+ data-shift = <2>;
+ hsync-active = <1>; /* Active high */
+ vsync-active = <0>; /* Active low */
+ data-active = <1>; /* Active high */
+ pclk-sample = <1>; /* Rising */
+ };
+ };
+};
+
+&i2c2 {
+ status = "okay";
+
+ ov5640: camera@3c {
+ compatible = "ovti,ov5640";
+ reg = <0x3c>;
+ clocks = <&cam_xclk>;
+ clock-names = "xclk";
+
+ reset-gpios = <&pio 4 14 GPIO_ACTIVE_LOW>;
+ powerdown-gpios = <&pio 4 15 GPIO_ACTIVE_HIGH>;
+ AVDD-supply = <&reg_cam_avdd>;
+ DOVDD-supply = <&reg_cam_dovdd>;
+ DVDD-supply = <&reg_cam_dvdd>;
+
+ port {
+ ov5640_to_csi: endpoint {
+ remote-endpoint = <&csi_from_ov5640>;
+ bus-width = <8>;
+ data-shift = <2>;
+ hsync-active = <1>; /* Active high */
+ vsync-active = <0>; /* Active low */
+ data-active = <1>; /* Active high */
+ pclk-sample = <1>; /* Rising */
+ };
+ };
+ };
+};
+&i2c2_pins {
+ bias-pull-up;
+};

6
recipes-kernel/linux/linux-mainline/cam500b.cfg Normal file
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@ -0,0 +1,6 @@
CONFIG_MEDIA_PLATFORM_SUPPORT=y
CONFIG_V4L_PLATFORM_DRIVERS=y
CONFIG_VIDEO_OV5640=m
CONFIG_VIDEO_SUN6I_CSI=m
CONFIG_VIDEO_V4L2=m