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完成 #279

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t113 修改lvds 屏输出的对应引脚为gpio 失败

Added by 余 顺 10 days ago. Updated 10 days ago.

Status:
完成
Priority:
普通
Assignee:
-
Category:
gpio
Target version:
t113 -buildroot
Start date:
03/26/2025
Due date:
% Done:

100%

Estimated time:

Description

版型：rp-t113-s3

系统：buildroot

问题：首先修改内核中屏蔽lvds屏dtsi不引用了,但是这些引脚还是无法正常读入，一直有0.9V或者1.7V左右的电平一直有0.9V或者1.7V左右的电平

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clipboard-202503261025-mmo4r.png (81 KB) clipboard-202503261025-mmo4r.png 余 顺, 03/26/2025 02:25 AM
rp-t113-s3 屏输出引脚配置gpio 确认.pdf (54.4 KB) rp-t113-s3 屏输出引脚配置gpio 确认.pdf 余 顺, 03/26/2025 02:28 AM
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 #1

Updated by 余 顺 10 days ago

需要注意uboot阶段也会申请对应的lvds输出，需要修改uboot配置项 关闭uboot阶段的显示(disp2)，，直接注释显示输出的屏参会导致系统启动异常

具体参考附件 rp-t113-s3 屏输出引脚配置gpio 确认.pdf修改即可 .

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 #2

Updated by 余 顺 10 days ago

  • % Done changed from 0 to 100
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 #3

Updated by 余 顺 10 days ago

  • Tracker changed from 新建 to 完成
  • Status changed from 新建 to 完成
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