From 792492dbb6dd030b6e054c14929d4a8af47fedb3 Mon Sep 17 00:00:00 2001
From: Links <help.markus+gitk@gmail.com>
Date: Fri, 8 Apr 2022 17:27:59 +0200
Subject: [PATCH] uboot gpio

---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index 43fac48..5c592d6 100644
--- a/README.md
+++ b/README.md
@@ -127,6 +127,12 @@ dtc -I dts -O dtb sun8i-r16-x6100.dts > sun8i-r16-x6100.dtb
 
 # uboot
 
+## get all gpio
+
+```sh
+gpio status -a
+```
+
 ## get button state
 
 this code checks the buttons below the screen.