Project

General

Profile

Actions
Copy link

新建 #124

open

t507 怎么根据设备树去找对应的驱动

Added by 余 顺 over 1 year ago. Updated over 1 year ago.

Status:
新建
Priority:
普通
Assignee:
-
Category:
gpio
Target version:
t507-ubuntu
Start date:
09/17/2022
Due date:
% Done:

0%

Estimated time:

Description

版型：rp_t507

系统：ubuntu

需求：怎么看PE17这个GPIO口它的控制逻辑

Files

Download all files
clipboard-202209171528-qnjly.png (15.6 KB) clipboard-202209171528-qnjly.png 余 顺, 09/17/2022 06:25 AM
clipboard-202209171530-pblja.png (108 KB) clipboard-202209171530-pblja.png 余 顺, 09/17/2022 06:27 AM
clipboard-202209171533-gm99f.png (35 KB) clipboard-202209171533-gm99f.png 余 顺, 09/17/2022 06:30 AM
Actions
Copy link Download all files
 #1

Updated by 余 顺 over 1 year ago

首先查看对应的设备树 驱动匹配用的是哪个
设备树都会有对应compatible 去链接对应的驱动

接着在dts 所在的目录通过grep "xxx" ./ -nr 找 ，
没有就一层一层的目录向上找,直到找到对应的驱动文件

Actions
Copy link

Also available in: Atom PDF