linux-kernel - Re: [PATCH] ARM64: dts: meson-gxl-s905x-khadas-vim enable Bluetooth

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Date:   Mon, 5 Nov 2018 17:42:31 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Christian Hewitt <christianshewitt@...il.com>
Cc:     Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org,
        Kevin Hilman <khilman@...libre.com>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Carlo Caione <carlo@...one.org>,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ARM64: dts: meson-gxl-s905x-khadas-vim enable Bluetooth

On 13/10/2018 14:07, Christian Hewitt wrote:
> This enables Bluetooth support for the following models:
> 
> - Khadas VIM basic (AP6212) using firmware BCM43438A1.hcd
> - Khadas VIM pro (AP6255) using firmware BCM4345C0.hcd
> 
> The AP6212 module used on the VIM basic has an ID clash with another
> device. To get Bluetooth working you either need to apply a kernel
> patch to drivers/bluetooth/btbcm.c so 0x2209 loads BCM43438A1 or the
> BCM43438A1.hcd firmware must be renamed to BCM43430A1.hcd.
> 
> Signed-off-by: Christian Hewitt <christianshewitt@...il.com>
> ---
>  arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
> index d32cf38..7e0717d 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
> @@ -187,6 +187,13 @@
>  	};
>  };
>  
> +&uart_A {
> +	bluetooth {
> +		compatible = "brcm,bcm43438-bt";
> +		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
> +	};
> +};
> +
>  /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
>  &uart_AO {
>  	status = "okay";
> 

Reviewed-by: Neil Armstrong <narmstrong@...libre.com>