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RK3576 Camera：资源介绍

news 2025/8/15 18:39:05

RK3576是RK今年上市的中高端旗舰芯片，定位弱于RK3588。这篇文章主要分享一下RK3576这颗主控芯片的camera资源。

（1）RK3576 camera资源

①RK3576 camera硬件框图

RK3576的camera硬件框图如图所示，拥有一路4lane的DCPHY，2路4lane的DPHY，可以拆分成4路2lane的模式，还有一路DVP并口，可以支持BT1120/BT656/BT601接口视频数据。有一个ISP控制器。

②MIPI-CSI资源

RK3576 MIPI-CSI资源如下，有1路DCPHY，2路DPHY，其中2路DPHY都可以拆成2lane+2lane的模式使用，共计5个MIPI-CSI HOST，可支持接入5个MIPI camera设备，2lane的场景，最大带宽为5G/bps，4lane场景，最大带宽为10Gbps，YUV422的图像输入的话，例如HDMIIN转接芯片，可以支持到4K60。DCPHY可以作为DPHY 4lane输入也可以作为CPHY 3trios输入，CPHY的场景带宽可达到17Gbps。

typeMAX bandwidthnummode
DPHYDPHY-v1.22.5Gbps/lane24lane or 2lane+2lane
DCPHYDPHY-v2.0 or CPHY-v1.1

2.5Gbps/lane

2.5Gsps/trios

1DPHY or CPHY
③VICAP资源
接口数量输入输出
vicap

5个MIPI

1个DVP

MIPI CSI: RAW8/10/12/14/16, RGB888, YUV422 8bit, YUV422 8bit interlaced, YUV420 8bit, Legacy YUV420 8bit

DVP：BT.601 RAW8/10/12 YCbCr 422 8-bit input

BT.656 YCbCr 422 8-bit progressive/interlaced input

BT.1120 YCbCr 422 8-bit progressive/interlaced input

NV16/NV12/YUV400/YUYV

紧凑/非紧凑 RAW

RGB888

④ISP资源
工作模式吞吐率最大分辨率输入格式
单cis

16M@30fps

48M@10fps

4672x3504

8064x6048

VICAP: raw8/raw10/raw12
⑤VPSS

看RK3576的描述，在ISP后级应该还有VPSS模块，可以做图像处理，但是目前RK官方似乎也没有描述RK3576该模块的功能以及使用方法。以下是网上海思VPSS模块的描述。

根据网上对海思VPSS模块的描述：VPSS（Video Process Sub-System）支持对一幅输入图像进行统一预处理，如去噪、去隔行等，然后再对各通道分别进行缩放、锐化等处理，最后输出多种不同分辨率的图像。

根据RK的描述，应该是可以支持旋转镜像裁减多路输出等功能。

⑥最多支持camera数量

RK3576最多可以支持5个MIPIcamera，一个DVP的camera，对应链接框图如下，两路DPHY分别使用2lane+2lane的方式，如果是YUV的sensor，仅需要链接到rkcif_mipi_lvds节点即可，不需要接到stdif虚拟节点。

若采用4lane的方式链接如下：

（2）dts配置

根据上述，RK3576至多可以同时接入5路 MIPI摄像头，下篇文章再介绍。可参考如下：

&csi2_dcphy0 {status = "okay";ports {#address-cells = <1>;#size-cells = <0>;port@0 {reg = <0>;#address-cells = <1>;#size-cells = <0>;mipi_in_gc05a2: endpoint@1 {reg = <1>;remote-endpoint = <&gc05a2_out0>;data-lanes = <1 2 3 4>;};};port@1 {reg = <1>;#address-cells = <1>;#size-cells = <0>;csidcphy0_out: endpoint@0 {reg = <0>;remote-endpoint = <&mipi0_csi2_input>;};};};
};&csi2_dphy3 {status = "okay";ports {#address-cells = <1>;#size-cells = <0>;port@0 {reg = <0>;#address-cells = <1>;#size-cells = <0>;mipi_in_s5k3l8xx: endpoint@1 {reg = <1>;remote-endpoint = <&s5k3l8xx_out0>;data-lanes = <1 2 3 4>;};mipi_in_ov16880: endpoint@2 {reg = <2>;remote-endpoint = <&ov16880_out0>;data-lanes = <1 2 3 4>;};};port@1 {reg = <1>;#address-cells = <1>;#size-cells = <0>;csidphy3_out: endpoint@0 {reg = <0>;remote-endpoint = <&mipi3_csi2_input>;};};};
};&csi2_dphy0_hw {status = "okay";
};&csi2_dphy1_hw {status = "okay";
};&i2c4 {status = "okay";pinctrl-0 = <&i2c4m3_xfer>;gc05a2: gc05a2@37 {compatible = "galaxycore,gc05a2";status = "okay";reg = <0x37>;clocks = <&cru CLK_MIPI_CAMERAOUT_M0>;clock-names = "xvclk";pinctrl-names = "default";pinctrl-0 = <&cam_clk0m0_clk0>;pwdn-gpios = <&gpio3 RK_PC7 GPIO_ACTIVE_HIGH>;reset-gpios = <&gpio3 RK_PA6 GPIO_ACTIVE_HIGH>;avdd-supply = <&vcc_mipipwr>;dovdd-supply = <&vcc_1v8_cam>;//dvdd-supply = <&vcc1v2_dvp>;rockchip,camera-module-index = <1>;rockchip,camera-module-facing = "front";rockchip,camera-module-name = "KYT-11210-V2";rockchip,camera-module-lens-name = "default";port {gc05a2_out0: endpoint {remote-endpoint = <&mipi_in_gc05a2>;data-lanes = <1 2>;};};};
};&i2c5 {status = "okay";pinctrl-names = "default";pinctrl-0 = <&i2c5m3_xfer>;ces6301: ces6301@c {compatible = "chipextra,ces6301";status = "okay";reg = <0x0c>;avdd-supply = <&vcc_mipipwr>;rockchip,vcm-max-current = <120>;rockchip,vcm-start-current = <10>;rockchip,vcm-rated-current = <85>;rockchip,vcm-step-mode = <9>;rockchip,camera-module-index = <0>;rockchip,camera-module-facing = "back";};s5k3l8xx: s5k3l8xx@10 {status = "okay";compatible = "samsung,s5k3l8xx";reg = <0x10>;clocks = <&cru CLK_MIPI_CAMERAOUT_M2>;clock-names = "xvclk";pinctrl-names = "default";pinctrl-0 = <&cam_clk2m0_clk2>;pwdn-gpios = <&gpio3 RK_PD5 GPIO_ACTIVE_HIGH>;reset-gpios = <&gpio3 RK_PA7 GPIO_ACTIVE_HIGH>;avdd-supply = <&vcc_mipipwr>;dovdd-supply = <&vcc_1v8_cam>;//dvdd-supply = <&vcc1v2_dvp>;rockchip,camera-module-index = <0>;rockchip,camera-module-facing = "back";rockchip,camera-module-name = "KYT-11097-B-V1";rockchip,camera-module-lens-name = "default";lens-focus = <&ces6301>;flash-leds = <&flash_rgb13h>;port {s5k3l8xx_out0: endpoint {remote-endpoint = <&mipi_in_s5k3l8xx>;data-lanes = <1 2 3 4>;};};};ov16880: ov16880@36 {status = "okay";compatible = "ovti,ov16880";reg = <0x36>;clocks = <&cru CLK_MIPI_CAMERAOUT_M2>;clock-names = "xvclk";pinctrl-names = "default";pinctrl-0 = <&cam_clk2m0_clk2>;pwdn-gpios = <&gpio3 RK_PD5 GPIO_ACTIVE_HIGH>;reset-gpios = <&gpio3 RK_PA7 GPIO_ACTIVE_HIGH>;avdd-supply = <&vcc_mipipwr>;dovdd-supply = <&vcc_1v8_cam>;//dvdd-supply = <&vcc1v2_dvp>;rockchip,camera-module-index = <0>;rockchip,camera-module-facing = "back";rockchip,camera-module-name = "KYT-11379-V1";rockchip,camera-module-lens-name = "default";lens-focus = <&ces6301>;flash-leds = <&flash_rgb13h>;port {ov16880_out0: endpoint {remote-endpoint = <&mipi_in_ov16880>;data-lanes = <1 2 3 4>;};};};
};&mipi0_csi2 {status = "okay";ports {#address-cells = <1>;#size-cells = <0>;port@0 {reg = <0>;#address-cells = <1>;#size-cells = <0>;mipi0_csi2_input: endpoint@1 {reg = <1>;remote-endpoint = <&csidcphy0_out>;};};port@1 {reg = <1>;#address-cells = <1>;#size-cells = <0>;mipi0_csi2_output: endpoint@0 {reg = <0>;remote-endpoint = <&cif_mipi_in0>;};};};
};&mipi3_csi2 {status = "okay";ports {#address-cells = <1>;#size-cells = <0>;port@0 {reg = <0>;#address-cells = <1>;#size-cells = <0>;mipi3_csi2_input: endpoint@1 {reg = <1>;remote-endpoint = <&csidphy3_out>;};};port@1 {reg = <1>;#address-cells = <1>;#size-cells = <0>;mipi3_csi2_output: endpoint@0 {reg = <0>;remote-endpoint = <&cif_mipi3_in0>;};};};
};&pinctrl {cam {mipicam_pwr: mipicam-pwr {rockchip,pins =/* camera power en */<3 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;};flash_led_gpios: flash-led {rockchip,pins =/* flash led enable */<2 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;};};
};&rkcif {status = "okay";
};&rkcif_mipi_lvds {status = "okay";port {cif_mipi_in0: endpoint {remote-endpoint = <&mipi0_csi2_output>;};};
};&rkcif_mipi_lvds_sditf {status = "okay";port {mipi_lvds_sditf: endpoint {remote-endpoint = <&isp_vir0_in0>;};};
};&rkcif_mipi_lvds3 {status = "okay";port {cif_mipi3_in0: endpoint {remote-endpoint = <&mipi3_csi2_output>;};};
};&rkcif_mipi_lvds3_sditf {status = "okay";port {mipi_lvds3_sditf: endpoint {remote-endpoint = <&isp_vir0_in1>;};};
};&rkcif_mmu {status = "okay";
};&rkisp {status = "okay";
};&rkisp_mmu {status = "okay";
};&rkisp_vir0 {status = "okay";port {#address-cells = <1>;#size-cells = <0>;isp_vir0_in0: endpoint@0 {reg = <0>;remote-endpoint = <&mipi_lvds_sditf>;};isp_vir0_in1: endpoint@1 {reg = <1>;remote-endpoint = <&mipi_lvds3_sditf>;};};
};

（3）总结

后续继续介绍详细的dts配置以及调试经验。

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