From 358afb8b746d4a7ebaeeeaab7a1523895a8572c2 Mon Sep 17 00:00:00 2001 From: Maxime Ripard Date: Thu, 29 Oct 2020 14:40:18 +0100 Subject: [PATCH] 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 Signed-off-by: Nicolas Saenz Julienne Link: https://lore.kernel.org/r/20201029134018.1948636-3-maxime@cerno.tech --- arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts index 09a1182..403bacf 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"; }; -- 2.7.4