From: Maxime Ripard <maxime@cerno.tech>
Date: Thu, 29 Oct 2020 13:40:18 +0000 (+0100)
Subject: ARM: dts: rpi-4: disable wifi frequencies
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=358afb8b746d4a7ebaeeeaab7a1523895a8572c2;p=linux.git

ARM: dts: rpi-4: disable wifi frequencies

The RPi4 WiFi chip and HDMI outputs have some frequency overlap with
crosstalk around 2.4GHz. Let's mark it as such so we can use some evasive
maneuvers.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20201029134018.1948636-3-maxime@cerno.tech
---

diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
index 09a1182c29363..403bacf986ebb 100644
--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
@@ -181,12 +181,14 @@
 &hdmi0 {
 	clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 0>, <&clk_27MHz>;
 	clock-names = "hdmi", "bvb", "audio", "cec";
+	wifi-2.4ghz-coexistence;
 	status = "okay";
 };
 
 &hdmi1 {
 	clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 1>, <&clk_27MHz>;
 	clock-names = "hdmi", "bvb", "audio", "cec";
+	wifi-2.4ghz-coexistence;
 	status = "okay";
 };