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学习Linux设备树,基于高通SDM450芯片,分析GPIO,I2C,SPI,UART。

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SDM450设备树学习

基于高通SDM450平台分析设备树的特性。

参考文档

https://blog.csdn.net/radianceblau/article/details/70800076

https://blog.csdn.net/radianceblau/article/details/74722395

https://blog.csdn.net/radianceblau/article/details/76574727

https://blog.csdn.net/hm131415/article/details/54377549

设备树文件说明

  • msm8953-pinctrl.dtsi

    设置引脚复用功能。

  • msm8953-mtp.dtsi

    配置具体功能参数,例如gpio

  • msm8953.dtsi

    配置uart, i2c, spi等。

代码分析

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学习Linux设备树,基于高通SDM450芯片,分析GPIO,I2C,SPI,UART。

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