rv1126适配ov13850摄像头
开发板：CORE-1109/1126-JD4核心板及配套的底板目前进行了一下修改：
1.从维基教程拉下的sdk，/oem/etc/iqfiles/下默认没有ov13850的xml文件，直接从原厂rk3399pro sdk里面拷了一份（原厂rk3399pro开发板及sdk是适配过ov13850的，确认rk3399pro上ov13850可用）。
2.内核配置中打开ov13850驱动。
3.设备树修改如下：
rv1126-firefly-rk809.dtsi文件&i2c1添加如下：（参考rk3399pro设备树里面的配置，并参考rv1126已经适配的os摄像头的配置修改）
vm149c: vm149c@0c {
compatible = "silicon touch,vm149c";
status = "okay";
reg = <0x0c>;
rockchip,camera-module-index = <0>;
rockchip,camera-module-facing = "back";
};
ov13850: ov13850@10 {
compatible = "ovti,ov13850";
status = "okay";
reg = <0x10>;
clocks = <&cru CLK_MIPICSI_OUT>;
clock-names = "xvclk";
/* conflict with csi-ctl-gpios */
reset-gpios = <&gpio4 RK_PA1 GPIO_ACTIVE_HIGH>;
pwdn-gpios = <&gpio3 RK_PA5 GPIO_ACTIVE_HIGH>;
power-domains = <&power RV1126_PD_VI>;
pinctrl-names = "rockchip,camera_default";
pinctrl-0 = <&mipicsi_clk1>;
rockchip,camera-module-index = <1>;
rockchip,camera-module-facing = "back";
rockchip,camera-module-name = "CMK-CT0116";
rockchip,camera-module-lens-name = "Largan-50013A1";
lens-focus = <&vm149c>;
port {
ucam_out0: endpoint {
remote-endpoint = <&mipi_in_ucam0>;
data-lanes = <1 2 3 4>;
};
};
};
上述修改之后，编译内核烧板子进行测试，开机log：
# dmesg | grep ov13
[ 0.615137] ov13850 1-0010: driver version: 00.01.04
[ 0.615216] ov13850 1-0010: GPIO lookup for consumer power
[ 0.615221] ov13850 1-0010: using device tree for GPIO lookup
[ 0.615241] of_get_named_gpiod_flags: can't parse 'power-gpios' property of node '/i2c@ff510000/ov13850@10'
[ 0.615253] of_get_named_gpiod_flags: can't parse 'power-gpio' property of node '/i2c@ff510000/ov13850@10'
[ 0.615263] ov13850 1-0010: using lookup tables for GPIO lookup
[ 0.615269] ov13850 1-0010: No GPIO consumer power found
[ 0.615275] ov13850 1-0010: Failed to get power-gpios, maybe no use
[ 0.615307] ov13850 1-0010: GPIO lookup for consumer reset
[ 0.615311] ov13850 1-0010: using device tree for GPIO lookup
[ 0.615338] of_get_named_gpiod_flags: parsed 'reset-gpios' property of node '/i2c@ff510000/ov13850@10' - status (0)
[ 0.615379] ov13850 1-0010: GPIO lookup for consumer pwdn
[ 0.615383] ov13850 1-0010: using device tree for GPIO lookup
[ 0.615397] of_get_named_gpiod_flags: parsed 'pwdn-gpios' property of node '/i2c@ff510000/ov13850@10' - status (0)
[ 0.615456] ov13850 1-0010: 1-0010 supply avdd not found, using dummy regulator
[ 0.615570] ov13850 1-0010: Linked as a consumer to regulator.0
[ 0.615624] ov13850 1-0010: 1-0010 supply dovdd not found, using dummy regulator
[ 0.615715] ov13850 1-0010: 1-0010 supply dvdd not found, using dummy regulator
[ 0.615850] ov13850 1-0010: could not get sleep pinstate
[ 0.620541] ov13850 1-0010: Detected OV00d850 sensor, REVISION 0xb2
[ 0.620585] rockchip-mipi-dphy-rx ff4b0000.csi-dphy: match m01_b_ov13850 1-0010:bus type 4
从这个log，认为ov13850驱动已经跑起来了，并且查看板子的/sys目录如下：
# grep ov13850 /sys/class/video4linux/v*/name
/sys/class/video4linux/v4l-subdev3/name:m01_b_ov13850 1-0010
也能看到ov13850, 但是看/dev/目录下有很多video节点，如下：
# grep '' /sys/class/video4linux/v*/name
/sys/class/video4linux/v4l-subdev0/name:rkispp-subdev
/sys/class/video4linux/v4l-subdev1/name:rockchip-mipi-csi2
/sys/class/video4linux/v4l-subdev2/name:rockchip-mipi-dphy-rx
/sys/class/video4linux/v4l-subdev3/name:m01_b_ov13850 1-0010
/sys/class/video4linux/v4l-subdev4/name:rkisp-isp-subdev
/sys/class/video4linux/v4l-subdev5/name:rkisp-csi-subdev
/sys/class/video4linux/v4l-subdev6/name:rkcif_mipi_lvds
/sys/class/video4linux/video0/name:stream_cif_mipi_id0
/sys/class/video4linux/video1/name:stream_cif_mipi_id1
/sys/class/video4linux/video10/name:rkisp_rawwr3
/sys/class/video4linux/video11/name:rkisp_rawrd0_m
/sys/class/video4linux/video12/name:rkisp_rawrd2_s
/sys/class/video4linux/video13/name:rkisp_rawrd1_l
/sys/class/video4linux/video14/name:rkisp-statistics
/sys/class/video4linux/video15/name:rkisp-input-params
/sys/class/video4linux/video16/name:rkisp-mipi-luma
/sys/class/video4linux/video17/name:rkispp_input_image
/sys/class/video4linux/video18/name:rkispp_m_bypass
/sys/class/video4linux/video19/name:rkispp_scale0
/sys/class/video4linux/video2/name:stream_cif_mipi_id2
/sys/class/video4linux/video20/name:rkispp_scale1
/sys/class/video4linux/video21/name:rkispp_scale2
/sys/class/video4linux/video22/name:rkispp_iqtool
/sys/class/video4linux/video23/name:rkispp_input_params
/sys/class/video4linux/video24/name:rkispp-stats
/sys/class/video4linux/video3/name:stream_cif_mipi_id3
/sys/class/video4linux/video4/name:rkcif-mipi-luma
/sys/class/video4linux/video5/name:rkisp_mainpath
/sys/class/video4linux/video6/name:rkisp_selfpath
/sys/class/video4linux/video7/name:rkisp_rawwr0
/sys/class/video4linux/video8/name:rkisp_rawwr1
/sys/class/video4linux/video9/name:rkisp_rawwr2
没找到确定哪个节点的方法，我用rkispp_scale的几个节点试了下，v4l2-ctl拉流的时候都提示select timeout，麻烦了解的大佬给指点一下，少了哪些配置或者如何排查下？多谢
本帖最后由 xinzhiling111 于 2023-3-13 17:15 编辑
更新：我的硬件接法是，ov13850接到开发版插针上的mipi-csi1上 xinzhiling111 发表于 2023-3-13 09:54
更新：我的硬件接法是，ov13850接到开发版插针上的mipi-cs1上
怀疑：参考os04a10的设备树上的参数，从它的设备树看，虽然它适配了，但是好像接的是开发版的mipi-csi0，而我适配ov13850接的是mipi-csi1，然后拓扑关系没有进行调整，所以拉不到流？不知道是不是这个原因。看了media的拓扑关系，/dev/media0，开头显示的driver是cif，意思是我的驱动是cif框架不是isp的？ 据说ov13850已经停产了，是没人玩这个了吗？萤火虫这论坛也没人管理了吗？ 可以抓取视频了，但是明明抓取的是NV12，结果用yuv工具显示一片绿，特别亮的地方能看到不一样的颜色，用YUV420（10bit）能模糊看到拍摄的物品，但是颜色什么的都不对。
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