Please describe your issue below:
您好,我尝试用定制的软线排引出cam2的引脚去支持其他的相机。
我希望知道CAM2_PDN1、CAM2_MCLK、CAM2_RST这几个引脚作为GPIO引脚的话,高电平是多少V,是1.8V吗,可调整为3.3V吗?
CAM2_I2C4_SCL_M3和CAM2_I2C4_SDA_M3是1.8V的i2c总线还是3.3V的?
edeg2的电路原理图上引脚的不同颜色代表什么意思,是否和edge相同?
下面是我我拉高引脚所使用的设备树代码,用电压表测得电压为1.8V:
/ {
vcc_mipidphy0: vcc-mipidcphy0-regulator {//cam2-sc132m
status = "okay";
compatible = "regulator-fixed";
gpio = <&gpio1 RK_PB2 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&mipidphy0_pwr>;
regulator-name = "vcc_mipidphy0";
enable-active-high;
regulator-always-on;
};
};
&pinctrl {
cam {
mipidphy0_pwr: mipidphy0-pwr {
rockchip,pins =
/* camera power en */
<1 RK_PB2 RK_FUNC_GPIO &pcfg_output_high>;
};
};
};