intmtd_device_parse_register(struct mtd_info*mtd,constchar*const*types,struct mtd_part_parser_data*parser_data,conststruct mtd_partition*parts,int nr_parts){int ret;mtd_set_dev_defaults(mtd);if(IS_ENABLED(CONFIG_MTD_PARTITIONED_MASTER)){ret=add_mtd_device(mtd);if(ret)returnret;} 如果配置了CONFIG_MTD_PARTITIONED_MASTER,则会首先注...
3335 3404 CONFIG_SPI_SPIDEV=m 3336 3405 # CONFIG_SPI_LOOPBACK_TEST is not set 3337 3406 # CONFIG_SPI_TLE62X0 is not set 3338 - # CONFIG_SPI_SLAVE is not set 3407 + CONFIG_SPI_SLAVE=y 3408 + # CONFIG_SPI_SLAVE_TIME is not set 3409 + # CONFIG_SPI_SLAVE_SYSTEM_CONTRO...
CONFIG_SPI_SPIDEV=m # CONFIG_SPI_LOOPBACK_TEST is not set # CONFIG_SPI_TLE62X0 is not set # CONFIG_SPI_SLAVE is not set CONFIG_SPI_DYNAMIC=y # CONFIG_SPMI is not set # CONFIG_HSI is not set CONFIG_PPS=y # CONFIG_PPS_DEBUG is not set # # PPS clients support...
根据cs42l51.txt这份绑定文档就可以在任意一个主控的I2C节点下添加cs42l51相关信息了,ST官方STM32M157C-DK2开发板使用的也是CS42L51,因此可以直接拿来使用,要注意官方的cs42l51是使用I2C1来配置的,正点原子的开发板是使用I2C4来配置的。打开stm32mp157d-atk.dts文件,先在里面创建I2C4节点,然后将arch/arm/boot/...
CONFIG_RT_USING_SPI=y # CONFIG_RT_USING_SPI_BITOPS is not set # CONFIG_RT_USING_QSPI is not set # CONFIG_RT_USING_SPI_MSD is not set # CONFIG_RT_USING_SFUD is not set # CONFIG_RT_USING_ENC28J60 is not set # CONFIG_RT_USING_SPI_WIFI is not set # CONFIG_RT_USING...
你要连接2个device,当你的device tree里需要给spi节点2个chipselect了。你现在只有一个,那么就会只有spidev1.0。 (1)你的引脚定义的24/26脚,没有连接到ECSPI2_SS0上,那么也就是说上面的复用是无效的。你应该一个spidev都看不到的。 (2)你的CE0/CE1用的是SAI3_RXC和SAI5_MCLK,理论上复用为GPIO做应该...
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$ fdisk -l Device Boot Start End Sectors Size Id Type /dev/mmcblk0p1 * 2048 526335 524288 256M c W95 FAT32 (LBA) /dev/mmcblk0p2 526336 124735454 124209119 59.2G 83 Linux 看到2个分区: - /dev/mmcblk0p1 (启动分区) - /dev/mmcblk0p2 $ df Filesystem 1K-blocks Used Available ...
obj-m +=xxx.o 表示xxx作为模块编译,即执行make modules时才会被编译。 2、Kconfig 每个config菜单项都有类型定义: bool布尔类型、 tristate三态(内建、模块、移除)、string字符串、 hex十六进制、integer整型。 作用:决定make menuconfig时展示的菜单项, ...
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