[PATCH] ARM: dts: sunxi: bananapi-m2-plus: Increase BT UART speed

Jernej Skrabec

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Jan 16, 2021, 5:52:37 AM1/16/21

to mri...@kernel.org, we...@csie.org, rob...@kernel.org, jernej....@siol.net, devic...@vger.kernel.org, linux-ar...@lists.infradead.org, linux-...@vger.kernel.org, linux...@googlegroups.com

Bluetooth module on BananaPi M2 Plus can also be used for streaming
audio. However, for that case higher UART speed is required.

Add a max-speed property.

Signed-off-by: Jernej Skrabec <jernej....@siol.net>
---
arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi b/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi
index 8e5cb3b3fd68..7a6af54dd342 100644
--- a/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi
+++ b/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi
@@ -219,6 +219,7 @@ &uart1 {

bluetooth {
compatible = "brcm,bcm43438-bt";
+ max-speed = <1500000>;
clocks = <&rtc 1>;
clock-names = "lpo";
vbat-supply = <&reg_vcc3v3>;
--
2.30.0

Chen-Yu Tsai

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Jan 16, 2021, 5:53:25 AM1/16/21

to Jernej Skrabec, Maxime Ripard, Rob Herring, devicetree, linux-arm-kernel, linux-kernel, linux-sunxi

On Sat, Jan 16, 2021 at 6:52 PM Jernej Skrabec <jernej....@siol.net> wrote:
>
> Bluetooth module on BananaPi M2 Plus can also be used for streaming
> audio. However, for that case higher UART speed is required.
>
> Add a max-speed property.
>
> Signed-off-by: Jernej Skrabec <jernej....@siol.net>

Acked-by: Chen-Yu Tsai <we...@csie.org>

Maxime Ripard

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Jan 18, 2021, 4:11:11 AM1/18/21

to Jernej Skrabec, we...@csie.org, rob...@kernel.org, devic...@vger.kernel.org, linux-ar...@lists.infradead.org, linux-...@vger.kernel.org, linux...@googlegroups.com

On Sat, Jan 16, 2021 at 11:52:28AM +0100, Jernej Skrabec wrote:
> Bluetooth module on BananaPi M2 Plus can also be used for streaming
> audio. However, for that case higher UART speed is required.
>
> Add a max-speed property.
>
> Signed-off-by: Jernej Skrabec <jernej....@siol.net>