[Buildroot] [PATCH v5 2/6] board/raspberrypicm4io: enable RTC and USB overlays

Peter Seiderer ps.report at gmx.net
Tue Sep 21 20:21:33 UTC 2021


- add RTC and USB dtoverlay entries to config_cm4io.txt

Signed-off-by: Peter Seiderer <ps.report at gmx.net>
---
Changes v4 -> v5:
  - new patch
---
 board/raspberrypi/config_cm4io.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/board/raspberrypi/config_cm4io.txt b/board/raspberrypi/config_cm4io.txt
index 01f60395b3..cf7e6df1a1 100644
--- a/board/raspberrypi/config_cm4io.txt
+++ b/board/raspberrypi/config_cm4io.txt
@@ -24,3 +24,10 @@ gpu_mem_1024=100
 
 # fixes rpi (3B, 3B+, 3A+, 4B and Zero W) ttyAMA0 serial console
 dtoverlay=miniuart-bt
+
+# enable RTC
+dtparam=i2c_vc=on
+dtoverlay=i2c-rtc,pcf85063a,i2c_csi_dsi
+
+# enable dwc2 USB controller (USB 2.0)
+dtoverlay=dwc2,dr_mode=host
-- 
2.33.0



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