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* [PATCH] arm64: dts: st: Move Bluetooth to USART2 on STM32MP23xx DHCOS SoM
@ 2026-10-26 12:51 Marek Vasut
  0 siblings, 0 replies; only message in thread
From: Marek Vasut @ 2026-10-26 12:51 UTC (permalink / raw)
  To: linux-arm-kernel
  Cc: Marek Vasut, Alexandre Torgue, Christoph Niedermaier,
	Conor Dooley, Krzysztof Kozlowski, Maxime Coquelin, Rob Herring,
	devicetree, kernel, linux-kernel, linux-stm32

The Bluetooth chip is connected to USART2 on STM32MP23xx DHCOS SoM,
adjust the DT to match the schematic.

Fixes: 6642d6a47901 ("arm64: dts: st: Add support for DH electronics STM32MP23xx/STM32MP25xx DHCOS SoM and Breakout Board and DHSBC")
Signed-off-by: Marek Vasut <marex@nabladev.com>
---
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: kernel@dh-electronics.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-stm32@st-md-mailman.stormreply.com
---
 .../arm64/boot/dts/st/stm32mp23xx-dhcos-som.dtsi | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/arm64/boot/dts/st/stm32mp23xx-dhcos-som.dtsi b/arch/arm64/boot/dts/st/stm32mp23xx-dhcos-som.dtsi
index ffdcceb2fa237..5d4624c3200ad 100644
--- a/arch/arm64/boot/dts/st/stm32mp23xx-dhcos-som.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp23xx-dhcos-som.dtsi
@@ -24,7 +24,6 @@ &rv3032 {
 	interrupts-extended = <&gpiod 10 IRQ_TYPE_EDGE_FALLING>;
 };
 
-/* Bluetooth */
 &usart1 {
 	pinctrl-names = "default", "sleep", "idle";
 	pinctrl-0 = <&usart1_pins_a>;
@@ -32,15 +31,9 @@ &usart1 {
 	pinctrl-2 = <&usart1_idle_pins_a>;
 	uart-has-rtscts;
 	status = "okay";
-
-	bluetooth {
-		compatible = "infineon,cyw55572-bt";
-		brcm,requires-autobaud-mode;
-		max-speed = <3000000>;
-		shutdown-gpios = <&ioexp 2 GPIO_ACTIVE_HIGH>;
-	};
 };
 
+/* Bluetooth */
 &usart2 {
 	pinctrl-names = "default", "sleep", "idle";
 	pinctrl-0 = <&usart2_pins_b>;
@@ -48,4 +41,11 @@ &usart2 {
 	pinctrl-2 = <&usart2_idle_pins_b>;
 	uart-has-rtscts;
 	status = "okay";
+
+	bluetooth {
+		compatible = "infineon,cyw55572-bt";
+		brcm,requires-autobaud-mode;
+		max-speed = <3000000>;
+		shutdown-gpios = <&ioexp 2 GPIO_ACTIVE_HIGH>;
+	};
 };
-- 
2.53.0


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2026-10-26 12:51 [PATCH] arm64: dts: st: Move Bluetooth to USART2 on STM32MP23xx DHCOS SoM Marek Vasut

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