技术专栏
RK3568 开发板-安卓系统之mipi接口的摄像头驱动调试(十五)
4.12 mipi摄像头驱动调试
4.12.1 查看原理图,获取需要配置的信息
4.12.2 需要配置的信息如下
1、两中mipi摄像头均挂在i2c4下
2、Camera0的复位GPIO是GPIO3_D4, 时钟信号是CLK_CIF_OUT
3、Camera1的复位GPIO是GPIO3_D2, 时钟信号是CIF_WIFI
4、通过查阅GC2053的规格书,及摄像头硬件,确认地址为0x3f和0x37
由于两个都是GC2053, 但配置的时候不能出现两个相同的节点,且由于是同一路I2C,所以也不能出现两个相同的地址。需要修改其中一个摄像头的地址
4.12.3 GC2053的最终配置如下
参考RKDocs/common/camera/HAL3/目录下的相关文档,最终确认配置如下
&i2c4 {
status = "okay";
pinctrl-0 = <&i2c4m1_xfer>;
gc2053: gc2053@37 {
status = "okay";
compatible = "galaxycore,gc2053";
reg = <0x37>;
power-domains = <&power RK3568_PD_VI>;
pinctrl-names = "default";
clock-names = "xvclk";
pinctrl-0 = <&cif_clk>;
clocks = <&cru CLK_CIF_OUT>;
reset-gpios = <&gpio3 RK_PD4 GPIO_ACTIVE_LOW>;
rockchip,camera-module-index = <0>;
rockchip,camera-module-facing = "front";
rockchip,camera-module-name = "default";
rockchip,camera-module-lens-name = "JX8006";
port {
gc2053_out: endpoint {
remote-endpoint = <&dphy1_in>;
data-lanes = <1 2>;
};
};
};
gc2053_2: gc2053_2@3f {
status = "okay";
compatible = "galaxycore,gc2053";
reg = <0x3f>;
power-domains = <&power RK3568_PD_VI>;
pinctrl-names = "default";
clock-names = "xvclk";
pinctrl-0 = <&refclk_pins>;
clocks = <&pmucru CLK_WIFI>;
reset-gpios = <&gpio3 RK_PD2 GPIO_ACTIVE_LOW>;
rockchip,camera-module-index = <1>;
rockchip,camera-module-facing = "back";
rockchip,camera-module-name = "default";
rockchip,camera-module-lens-name = "JX8006";
port {
gc2053_2_out: endpoint {
remote-endpoint = <&dphy2_in>;
data-lanes = <1 2>;
};
};
};
};
&csi2_dphy_hw {
status = "okay";
};
&csi2_dphy0 {
status = "disabled";
};
&csi2_dphy1 {
status = "okay";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
#address-cells = <1>;
#size-cells = <0>;
dphy1_in: endpoint@1 {
reg = <1>;
remote-endpoint = <&gc2053_out>;
data-lanes = <1 2>;
};
};
port@1 {
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
dphy1_out: endpoint@1 {
reg = <1>;
remote-endpoint = <&isp0_in>;
};
};
};
};
&rkisp_vir0 {
status = "okay";
port {
#address-cells = <1>;
#size-cells = <0>;
isp0_in: endpoint@0 {
reg = <0>;
remote-endpoint = <&dphy1_out>;
};
};
};
&csi2_dphy2 {
status = "okay";
/*
* dphy2 only used for split mode,
* can be used concurrently with dphy1
* full mode and split mode are mutually exclusive
*/
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
#address-cells = <1>;
#size-cells = <0>;
dphy2_in: endpoint@1 {
reg = <1>;
remote-endpoint = <&gc2053_2_out>;
data-lanes = <1 2>;
};
};
port@1 {
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
dphy2_out: endpoint@1 {
reg = <1>;
remote-endpoint = <&mipi_csi2_input>;
// remote-endpoint = <&isp1_in>;
};
};
};
};
&mipi_csi2 {
status = "okay";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
#address-cells = <1>;
#size-cells = <0>;
mipi_csi2_input: endpoint@1 {
reg = <1>;
remote-endpoint = <&dphy2_out>;
data-lanes = <1 2>;
};
};
port@1 {
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
mipi_csi2_output: endpoint@0 {
reg = <0>;
remote-endpoint = <&cif_mipi_in>;
data-lanes = <1 2>;
};
};
};
};
&rkcif_mipi_lvds {
status = "okay";
port {
cif_mipi_in: endpoint {
remote-endpoint = <&mipi_csi2_output>;
data-lanes = <1 2>;
};
};
};
&rkcif_mipi_lvds_sditf {
status = "okay";
port {
mipi_lvds_sditf: endpoint {
remote-endpoint = <&isp1_in>;
data-lanes = <1 2>;
};
};
};
&rkisp_vir1 {
status = "okay";
/* gc2053_2->dphy2->csi2->vicap */
/* vicap sditf->isp_vir1 */
port {
#address-cells = <1>;
#size-cells = <0>;
isp1_in: endpoint@0 {
reg = <0>;
remote-endpoint = <&mipi_lvds_sditf>;
// remote-endpoint = <&dphy2_out>;
};
};
};
&rkisp {
status = "okay";
};
&rkisp_mmu {
status = "okay";
};
&rkcif {
status = "okay";
};
&rkcif_mmu {
status = "okay";
};
4.12.4 查看gc2053是否注册成功
rk3568_aybering:/ # dmesg | grep "gc2053"
[ 1.900008] gc2053 4-0037: driver version: 00.01.01
[ 1.900060] gc2053 4-0037: Failed to get pwdn-gpios, maybe no used
[ 1.900079] gc2053 4-0037: Failed to get power-gpios
[ 1.900120] gc2053 4-0037: 4-0037 supply dovdd not found, using dummy regulator
[ 1.900172] gc2053 4-0037: Linked as a consumer to regulator.0
[ 1.900199] gc2053 4-0037: 4-0037 supply avdd not found, using dummy regulator
[ 1.900255] gc2053 4-0037: 4-0037 supply dvdd not found, using dummy regulator
[ 1.900290] gc2053 4-0037: lane_num(2) pixel_rate(118800000)
[ 1.900307] gc2053 4-0037: could not get default pinstate
[ 1.900317] gc2053 4-0037: could not get sleep pinstate
[ 1.907643] gc2053 4-0037: Detected GC2053 sensor
[ 1.907694] rockchip-csi2-dphy csi2-dphy1: dphy1 matches m00_f_gc2053 4-0037:bus type 4
[ 1.908472] gc2053 4-003f: driver version: 00.01.01
[ 1.908527] gc2053 4-003f: Failed to get pwdn-gpios, maybe no used
[ 1.908546] gc2053 4-003f: Failed to get power-gpios
[ 1.908582] gc2053 4-003f: 4-003f supply dovdd not found, using dummy regulator
[ 1.908631] gc2053 4-003f: Linked as a consumer to regulator.0
[ 1.908657] gc2053 4-003f: 4-003f supply avdd not found, using dummy regulator
[ 1.908700] gc2053 4-003f: 4-003f supply dvdd not found, using dummy regulator
[ 1.908749] gc2053 4-003f: lane_num(2) pixel_rate(118800000)
[ 1.908767] gc2053 4-003f: could not get default pinstate
[ 1.908777] gc2053 4-003f: could not get sleep pinstate
[ 1.914329] gc2053 4-003f: Detected GC2053 sensor
[ 1.914362] rockchip-csi2-dphy csi2-dphy2: dphy2 matches m01_b_gc2053 4-003f:bus type 4
rk3568_aybering:/ #
通过以上信息,可以看到成功注册了两个GC2053摄像头, 地址分别为0x37和0x3f
4.12.5 修改摄像头配置文件
修改摄像头配置文件hardware/rockchip/camera/etc/camera/camera3_profiles_rk356x.xml, 具体参考RKDocs/common/camera/HAL3/目录下的相关文档
4.12.6 测试摄像头
整体编译后生成update.img,烧写后就可以进行摄像头测试了
打开系统自带的相机,经过授权后,可以看到图像了
点击切换按钮,即可切换到另一个摄像头。
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