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sunxi: add csi video support for nanopi-neo-air
add dtc configuration that declare CSI connection with ov5640 Signed-off-by: Michel Promonet <[email protected]> Link: openwrt#15967 Signed-off-by: Hauke Mehrtens <[email protected]>
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target/linux/sunxi/patches-6.6/451-sunxi-add-csi-video-support-for-nanopi-neo-air.patch
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| From 4c3a3af679bd59660ac80889b560bddaf475ba81 Mon Sep 17 00:00:00 2001 | ||
| From: Michel Promonet <[email protected]> | ||
| Date: Sun, 21 Jul 2024 19:04:19 +0200 | ||
| Subject: [PATCH] sunxi: add csi video support for nanopi-neo-air | ||
|
|
||
| --- | ||
| .../dts/allwinner/sun8i-h3-nanopi-neo-air.dts | 85 +++++++++++++++++++ | ||
| 1 file changed, 85 insertions(+) | ||
|
|
||
| --- a/arch/arm/boot/dts/allwinner/sun8i-h3-nanopi-neo-air.dts | ||
| +++ b/arch/arm/boot/dts/allwinner/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 = <®_vcc3v3>; | ||
| + }; | ||
| + | ||
| + reg_cam_dovdd: cam-dovdd { | ||
| + compatible = "regulator-fixed"; | ||
| + regulator-name = "cam-dovdd"; | ||
| + regulator-min-microvolt = <1800000>; | ||
| + regulator-max-microvolt = <1800000>; | ||
| + vin-supply = <®_vcc3v3>; | ||
| + }; | ||
| + | ||
| + reg_cam_dvdd: cam-dvdd { | ||
| + compatible = "regulator-fixed"; | ||
| + regulator-name = "cam-dvdd"; | ||
| + regulator-min-microvolt = <1500000>; | ||
| + regulator-max-microvolt = <1500000>; | ||
| + vin-supply = <®_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 = <®_cam_avdd>; | ||
| + DOVDD-supply = <®_cam_dovdd>; | ||
| + DVDD-supply = <®_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; | ||
| +}; |