linux-kernel - Re: [PATCH v2] arm64: dts: allwinner: a64: orangepi-win: Add wifi and bluetooth nodes

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Date:   Thu, 16 May 2019 10:52:57 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Jernej Skrabec <jernej.skrabec@...l.net>
Cc:     wens@...e.org, robh+dt@...nel.org, mark.rutland@....com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v2] arm64: dts: allwinner: a64: orangepi-win: Add wifi
 and bluetooth nodes

On Tue, May 14, 2019 at 10:54:45PM +0200, Jernej Skrabec wrote:
> The AP6212 is based on the Broadcom BCM43430 or BCM43438. The WiFi side
> identifies as BCM43430, while the Bluetooth side identifies as BCM43438.
>
> WiFi is connected to mmc1 and the Bluetooth side is connected to UART1
> in a 4 wire configuration. Same as the WiFi side, due to being the same
> chip and package, DLDO2 provides overall power via VBAT, and DLDO4
> provides I/O power via VDDIO. The RTC clock output provides the LPO low
> power clock at 32.768 kHz.
>
> This patch enables WiFi and Bluetooth on OrangePi Win boards and adds
> missing LPO clock on the WiFi side. PCM connection also exists for
> Bluetooth audio, but it's not used here.
>
> Bluetooth UART speed is set to 1.5 MBaud in order to be able transmit
> audio. While module supports even higher speeds, currently sunxi clock
> driver doesn't support higher speed.
>
> Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>

Queued for 5.3, thanks

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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