[Buildroot] [git commit] board/raspberrypicm4io-64: enable RTC and USB overlays

[Buildroot] [git commit] board/raspberrypicm4io-64: enable RTC and USB overlays

[Thomas Petazzoni]

commit: https://git.buildroot.net/buildroot/commit/?id=d7cf67fc940264e2ad6e60eaa914a214df9b81d8
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

The CM4 IO Board is equipped with an on-board RTC connected over I2C,
and has USB 2.0 host ports.

This commit loads the appropriate overlays to enable both. The USB 2.0
interface is by default disabled on CM4 to reduce the power
consumption so it needs to be explicitly enabled on the CM4 IO Board
to use the USB ports.

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
---
 board/raspberrypi/config_cm4io_64bit.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/board/raspberrypi/config_cm4io_64bit.txt b/board/raspberrypi/config_cm4io_64bit.txt
index 6cd8a729cd..813f6eba7b 100644
--- a/board/raspberrypi/config_cm4io_64bit.txt
+++ b/board/raspberrypi/config_cm4io_64bit.txt
@@ -25,6 +25,13 @@ 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
+
 # enable 64bits support
 arm_64bit=1
 
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