diff mbox series

[v2,3/3] ARM: dts: rpi-4: disable wifi frequencies

Message ID 20201029134018.1948636-3-maxime@cerno.tech
State Accepted
Commit 358afb8b746d4a7ebaeeeaab7a1523895a8572c2
Headers show
Series [v2,1/3] dt-bindings: display: Add a property to deal with WiFi coexistence | expand

Commit Message

Maxime Ripard Oct. 29, 2020, 1:40 p.m. UTC 
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>

---

Changes from v1:
  - Changed the property name
---
 arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 2 ++
 1 file changed, 2 insertions(+)

Comments

Nicolas Saenz Julienne Nov. 20, 2020, 4:45 p.m. UTC | #1 
On Thu, 2020-10-29 at 14:40 +0100, Maxime Ripard wrote:
> 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>

> 

> ---

> 

> Changes from v1:

>   - Changed the property name


Applied for next. Thanks!
diff mbox series

Patch

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 @@  &gpio {
 &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";
 };