The RockPro64 board has an optional BCM4345C5 Bluetooth device on UART0.

This patch fixes audio stutters by setting its correct max-speed and
compatible properties.

Signed-off-by: Raphaël Jakse <raphael.kernel@jakse.fr>
---
 arch/arm64/boot/dts/rockchip/rk3399-rockpro64-v2.dts | 7 +++++++
 arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts    | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64-v2.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64-v2.dts
index 304e3c51391c..883d9bcfe792 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64-v2.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64-v2.dts
@@ -28,3 +28,10 @@ es8316_p0_0: endpoint {
 		};
 	};
 };
+
+&uart0 {
+	bluetooth {
+		compatible = "brcm,bcm4345c5";
+		max-speed = <1500000>;
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
index 4b42717800f7..ae3ee91dba2f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
@@ -28,3 +28,10 @@ es8316_p0_0: endpoint {
 		};
 	};
 };
+
+&uart0 {
+	bluetooth {
+		compatible = "brcm,bcm4345c5";
+		max-speed = <1500000>;
+	};
+};
-- 
2.52.0

On Sun, 30 Nov 2025 17:12:59 +0100, Raphaël Jakse wrote:
> The RockPro64 board has an optional BCM4345C5 Bluetooth device on UART0.
> 
> This patch fixes audio stutters by setting its correct max-speed and
> compatible properties.
> 
> 

Applied, thanks!

[1/1] arm64: dts: rockchip: Fix Bluetooth on the RockPro64 board
      commit: 9c68a9483e31a9ad25c5399bb5f066b2e4980ad5

Best regards,
-- 
Heiko Stuebner <heiko@sntech.de>