linux-kernel - [PATCH] arm64: dts: imx943-evk: enable lpuart6 for Bluetooth

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Message-Id: <20260119105215.1238855-1-sherry.sun@nxp.com>
Date: Mon, 19 Jan 2026 18:52:15 +0800
From: Sherry Sun <sherry.sun@....com>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	festevam@...il.com
Cc: kernel@...gutronix.de,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: imx943-evk: enable lpuart6 for Bluetooth

Enable lpuart6 for Bluetooth support.

Signed-off-by: Sherry Sun <sherry.sun@....com>
---
 arch/arm64/boot/dts/freescale/imx943-evk.dts | 21 ++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx943-evk.dts b/arch/arm64/boot/dts/freescale/imx943-evk.dts
index 31fa9675cee1..f54404c9bfc9 100644
--- a/arch/arm64/boot/dts/freescale/imx943-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx943-evk.dts
@@ -21,6 +21,7 @@ aliases {
 		mmc0 = &usdhc1;
 		mmc1 = &usdhc2;
 		serial0 = &lpuart1;
+		serial5 = &lpuart6;
 	};
 
 	bt_sco_codec: bt-sco-codec {
@@ -437,6 +438,17 @@ &lpuart1 {
 	status = "okay";
 };
 
+&lpuart6 {
+	/* BT */
+	pinctrl-0 = <&pinctrl_uart6>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	bluetooth {
+		compatible = "nxp,88w8987-bt";
+	};
+};
+
 &micfil {
 	assigned-clocks = <&scmi_clk IMX94_CLK_AUDIOPLL1_VCO>,
 			  <&scmi_clk IMX94_CLK_AUDIOPLL2_VCO>,
@@ -643,6 +655,15 @@ IMX94_PAD_UART1_RXD__LPUART1_RX		0x31e
 		>;
 	};
 
+	pinctrl_uart6: uart6grp {
+		fsl,pins = <
+			IMX94_PAD_GPIO_IO04__LPUART6_TX		0x31e
+			IMX94_PAD_GPIO_IO05__LPUART6_RX		0x31e
+			IMX94_PAD_GPIO_IO06__LPUART6_CTS_B	0x31e
+			IMX94_PAD_GPIO_IO07__LPUART6_RTS_B	0x31e
+		>;
+	};
+
 	pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
 		fsl,pins = <
 			IMX94_PAD_SD1_CLK__USDHC1_CLK		0x158e
-- 
2.37.1