AM5728 ov5640摄像头

我用的是最新的sdk : ti-processor-sdk-linux-am57xx-evm-06.03.00.106-Linux-x86-Install.bin

这是我添加的am57xx-beagle-x15-common.dtsi配置

……………………………………………………………………………………..

&i2c5 {
     status = "okay";
     clock-frequency = <400000>;

     ov5640: ov5640@3c {
              compatible = "ovti,ov5640";
              reg = <0x3c>;
              clocks = <&func_24m_clk>;
              clock-names = "xclk";
              DOVDD-supply = <&aic_dvdd>;
             AVDD-supply = <&vdd_3v3>;
             DVDD-supply = <&aic_dvdd>;
             powerdown-gpios = <&gpio5 11 GPIO_ACTIVE_HIGH>;
             reset-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
             oscen-gpios = <&gpio5 10 GPIO_ACTIVE_HIGH>;
             bufen-gpios = <&gpio5 12 GPIO_ACTIVE_LOW>;

             mclk = <24000000>;
             mclk_source = <0>;
             csi_id = <0>;
             status = "okay";

             port {
                       ov5640_ep: endpoint {
                              remote-endpoint = <&vin3a>;
                              hsync-active = <1>;
                              vsync-active = <1>;
                              pclk-sample = <0>;
                      };
            };

          };
    };

};

&vin3a {
       status = "okay";

        endpoint {
                slave-mode;
                remote-endpoint = <&ov5640_ep>;
         };
};

………………………………………………………………………………………………………………….

root@am57xx-evm:/# dmesg |grep ov5640
[ 3.142750] ov5640 4-003c: GPIO lookup for consumer powerdown
[ 3.142757] ov5640 4-003c: using device tree for GPIO lookup
[ 3.142786] of_get_named_gpiod_flags: parsed 'powerdown-gpios' property of node '/ocp/i2c@4807c000/ov5640@3c[0]' – status (0)
[ 3.142831] ov5640 4-003c: GPIO lookup for consumer reset
[ 3.142837] ov5640 4-003c: using device tree for GPIO lookup
[ 3.142861] of_get_named_gpiod_flags: parsed 'reset-gpios' property of node '/ocp/i2c@4807c000/ov5640@3c[0]' – status (0)
[ 3.142980] ov5640 4-003c: Linked as a consumer to regulator.4
[ 3.148965] ov5640 4-003c: Linked as a consumer to regulator.3
[ 3.227513] ov5640 4-003c: ov5640_read_reg: error: reg=300a
[ 3.233114] ov5640 4-003c: ov5640_check_chip_id: failed to read chip identifier
[ 3.240628] ov5640 4-003c: Dropping the link to regulator.3
[ 3.246314] ov5640: probe of 4-003c failed with error -121
root@am57xx-evm:/#

我的设备数配置有问题吗？TI有没有提供am5728的ov5640设备树配置

Nancy Wang：

参考以下帖子看一下是否有帮助。
e2e.ti.com/…/3271886

,

liqf sky：

这个帖子我看过，用的是ov1063摄像头，也没说他的dts是怎么配置的