pico mini的MIPI相关引脚可以配置为GPIO口吗？
Posted: 2024-10-11 7:48
如果不使用MIPI功能，这些引脚可以配置为普通IO口吗，如何配置设备树呢？标了GPI的引脚是不是只能做为输入IO？
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是的，需要修改rv1103-luckfox-pico-ipc.dtsi这个设备树，把mipi对应的status="disabled"
Code: Select all
&csi2_dphy_hw {
status = "disabled";
};
&csi2_dphy0 {
status = "disabled";
};
&mipi0_csi2 {
status = "disabled";
};
&rkcif {
status = "disabled";
};
&rkcif_mipi_lvds {
status = "disabled";
};
&rkcif_mipi_lvds_sditf {
status = "disabled";
};
&rkisp {
status = "disabled";
};
&rkisp_vir0 {
status = "disabled";
};
Alenwowo wrote: ↑2024-10-11 12:00是的，需要修改rv1103-luckfox-pico-ipc.dtsi这个设备树，把mipi对应的status="disabled"
Code: Select all
&csi2_dphy_hw { status = "disabled"; }; &csi2_dphy0 { status = "disabled"; }; &mipi0_csi2 { status = "disabled"; }; &rkcif { status = "disabled"; }; &rkcif_mipi_lvds { status = "disabled"; }; &rkcif_mipi_lvds_sditf { status = "disabled"; }; &rkisp { status = "disabled"; }; &rkisp_vir0 { status = "disabled"; };
你发一下执行iomux 3 8 后的结果，然后你是怎么测试的这个GPI引脚的呢？Kay wrote: ↑2024-10-12 6:35Alenwowo wrote: ↑2024-10-11 12:00是的，需要修改rv1103-luckfox-pico-ipc.dtsi这个设备树，把mipi对应的status="disabled"
Code: Select all
&csi2_dphy_hw { status = "disabled"; }; &csi2_dphy0 { status = "disabled"; }; &mipi0_csi2 { status = "disabled"; }; &rkcif { status = "disabled"; }; &rkcif_mipi_lvds { status = "disabled"; }; &rkcif_mipi_lvds_sditf { status = "disabled"; }; &rkisp { status = "disabled"; }; &rkisp_vir0 { status = "disabled"; };
你好，我按照你说的配置了，GPIO的可以读取了（GPIO3_C4/GPIO3_C5），但是GPI的还是无法读取到输入电平（GPI3_B0-GPI3_B7/GPI3_C0-GPI3_C3），读取到的始终是0，请问是还有什么东西要配置吗？
[root@luckfox apps]# iomux 3 8Alenwowo wrote: ↑2024-10-12 7:23你发一下执行iomux 3 8 后的结果，然后你是怎么测试的这个GPI引脚的呢？Kay wrote: ↑2024-10-12 6:35Alenwowo wrote: ↑2024-10-11 12:00
是的，需要修改rv1103-luckfox-pico-ipc.dtsi这个设备树，把mipi对应的status="disabled"
Code: Select all
&csi2_dphy_hw { status = "disabled"; }; &csi2_dphy0 { status = "disabled"; }; &mipi0_csi2 { status = "disabled"; }; &rkcif { status = "disabled"; }; &rkcif_mipi_lvds { status = "disabled"; }; &rkcif_mipi_lvds_sditf { status = "disabled"; }; &rkisp { status = "disabled"; }; &rkisp_vir0 { status = "disabled"; };
你好，我按照你说的配置了，GPIO的可以读取了（GPIO3_C4/GPIO3_C5），但是GPI的还是无法读取到输入电平（GPI3_B0-GPI3_B7/GPI3_C0-GPI3_C3），读取到的始终是0，请问是还有什么东西要配置吗？
我是直接从排线座上飞线出来测试的，与1V8脚短接和断开，标了GPIO的两个脚是可以检测到电平变化的，其他GPI的都始终是0