Linux SPI Bus-SPI Universal Interface Layer

1. Introduction As you can see from previous blogs, the SPI Universal Interface Layer is a middle layer, which provides a series of standard interface API s and standard data structures for protocol and controller drivers. So the SPI Universal Interface Layer is a core layer of the SPI bus. The SPI Common Interface Layer code is focused on: / ...

Posted by beefy23 on Sun, 02 Jan 2022 13:46:29 +0100

Linux dtsi file parsing

catalogue origin Driver code parsing driver loading dtsi file content parsing Four important analytical functions ​​​​​​​ origin Linus Torvalds declared "this whole ARM thing is a f*cking pain in the ass" in the ARM Linux mailing list on March 17, 2011, which triggered an earthquake in the ARM Linux community, and then the AR ...

Posted by luzlin on Thu, 30 Dec 2021 13:27:26 +0100