diff --git a/root/target/linux/bcm27xx/patches-5.4/950-0785-ARM-dts-Add-bcm2711-rpi-cm4.dts.patch b/root/target/linux/bcm27xx/patches-5.4/950-0785-ARM-dts-Add-bcm2711-rpi-cm4.dts.patch
index 9a6bbf41..41e51e87 100755
--- a/root/target/linux/bcm27xx/patches-5.4/950-0785-ARM-dts-Add-bcm2711-rpi-cm4.dts.patch
+++ b/root/target/linux/bcm27xx/patches-5.4/950-0785-ARM-dts-Add-bcm2711-rpi-cm4.dts.patch
@@ -7,9 +7,9 @@ Add initial DTS file for Compute Module 4.
 
 Signed-off-by: Phil Elwell <phil@raspberrypi.com>
 ---
- arch/arm/boot/dts/Makefile            |   3 +-
+ arch/arm/boot/dts/Makefile            |   2 +-
  arch/arm/boot/dts/bcm2711-rpi-cm4.dts | 485 ++++++++++++++++++++++++++
- 3 files changed, 485 insertions(+), 1 deletion(-)
+ 2 files changed, 487 insertions(+), 1 deletion(-)
  create mode 100644 arch/arm/boot/dts/bcm2711-rpi-cm4.dts
 
 --- a/arch/arm/boot/dts/Makefile
@@ -511,4 +511,19 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.com>
 +		spi_dma4 = <&spi0>, "dmas:0=", <&dma40>,
 +			   <&spi0>, "dmas:8=", <&dma40>;
 +	};
-+};
\ No newline at end of file
++};
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -92,6 +92,12 @@ Name:   <The base DTB>
+ Info:   Configures the base Raspberry Pi hardware
+ Load:   <loaded automatically>
+ Params:
++        ant1                    Select antenna 1 (default). CM4 only.
++
++        ant2                    Select antenna 2. CM4 only.
++
++        noant                   Disable both antennas. CM4 only.
++
+         audio                   Set to "on" to enable the onboard ALSA audio
+                                 interface (default "off")
+