linux-kernel - Re: [PATCH] arm64: dts: rockchip: rock-3a: Remove bluetooth node

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Message-ID:
 <TYCPR01MB84372ADA424622EB20982E3898C72@TYCPR01MB8437.jpnprd01.prod.outlook.com>
Date: Fri, 21 Feb 2025 09:33:27 +0800
From: Shengyu Qu <wiagn233@...look.com>
To: Chen-Yu Tsai <wens@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Cc: wiagn233@...look.com, Chen-Yu Tsai <wens@...e.org>,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: rockchip: rock-3a: Remove bluetooth node

Hi,

What about adding another patch that converts it to a dtso?

Best regards,
Shengyu

在 2025/2/21 0:50, Chen-Yu Tsai 写道:
> From: Chen-Yu Tsai <wens@...e.org>
> 
> The Bluetooth node described in the device tree is actually on an M.2
> slot. What module is present depends on what the end user installed,
> and should be left to an overlay.
> 
> Remove the existing bluetooth node. This gets rid of bogus timeout
> errors.
> 
> Fixes: 8cf890aabd45 ("arm64: dts: rockchip: Add nodes for SDIO/UART Wi-Fi/Bluetooth modules to Radxa Rock 3A")
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> ---
>   arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts | 14 --------------
>   1 file changed, 14 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
> index ac79140a9ecd..44cfdfeed668 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
> @@ -778,20 +778,6 @@ &uart1 {
>   	pinctrl-0 = <&uart1m0_xfer &uart1m0_ctsn &uart1m0_rtsn>;
>   	uart-has-rtscts;
>   	status = "okay";
> -
> -	bluetooth {
> -		compatible = "brcm,bcm43438-bt";
> -		clocks = <&rk809 1>;
> -		clock-names = "lpo";
> -		device-wakeup-gpios = <&gpio4 RK_PB5 GPIO_ACTIVE_HIGH>;
> -		host-wakeup-gpios = <&gpio4 RK_PB4 GPIO_ACTIVE_HIGH>;
> -		shutdown-gpios = <&gpio4 RK_PB2 GPIO_ACTIVE_HIGH>;
> -		pinctrl-names = "default";
> -		pinctrl-0 = <&bt_host_wake &bt_wake &bt_enable>;
> -		vbat-supply = <&vcc3v3_sys>;
> -		vddio-supply = <&vcc_1v8>;
> -		/* vddio comes from regulator on module, use IO bank voltage instead */
> -	};
>   };
>   
>   &uart2 {


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