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authorMaxime Ripard <maxime@cerno.tech>2020-10-29 14:40:18 +0100
committerNicolas Saenz Julienne <nsaenzjulienne@suse.de>2020-11-20 17:43:02 +0100
commit358afb8b746d4a7ebaeeeaab7a1523895a8572c2 (patch)
treeae8d68801db7d28b29200ff159462d9a65962f98 /arch/arm/boot/dts/bcm2711-rpi-4-b.dts
parent3650b228f83adda7e5ee532e2b90429c03f7b9ec (diff)
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
Diffstat (limited to 'arch/arm/boot/dts/bcm2711-rpi-4-b.dts')
-rw-r--r--arch/arm/boot/dts/bcm2711-rpi-4-b.dts2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
index 09a1182c2936..403bacf986eb 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";
};