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

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Message-ID: <aW5WKM31MVOiq+5c@lizhi-Precision-Tower-5810>
Date: Mon, 19 Jan 2026 11:04:56 -0500
From: Frank Li <Frank.li@....com>
To: Sherry Sun <sherry.sun@....com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	shawnguo@...nel.org, s.hauer@...gutronix.de, festevam@...il.com,
	kernel@...gutronix.de, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: imx943-evk: enable lpuart6 for Bluetooth

On Mon, Jan 19, 2026 at 06:52:15PM +0800, Sherry Sun wrote:
> Enable lpuart6 for Bluetooth support.
>
> Signed-off-by: Sherry Sun <sherry.sun@....com>
> ---
Reviewed-by: Frank Li <Frank.Li@....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
>