linux-kernel - Re: [PATCH 15/15] arm64: dts: allwinner: a64: bananapi-m64: Add Bluetooth device node

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Message-ID: <20181108082522.va5c63sb6t7zphpm@flea>
Date:   Thu, 8 Nov 2018 09:25:22 +0100
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-sunxi@...glegroups.com,
        Loic Poulain <loic.poulain@...il.com>,
        linux-bluetooth@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 15/15] arm64: dts: allwinner: a64: bananapi-m64: Add
 Bluetooth device node

On Wed, Nov 07, 2018 at 06:13:08PM +0800, Chen-Yu Tsai wrote:
> The AP6212 is based on the Broadcom BCM43430 or BCM43438. The WiFi side
> identifies as BCM43430, while the Bluetooth side identifies as BCM43438.
> 
> 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 Bluetooth on this board, and also adds the missing
> LPO clock on the WiFi side. There is also a PCM connection for Bluetooth,
> but this is not covered here.
> 
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>

Acked-by: Maxime Ripard <maxime.ripard@...tlin.com>

Thanks for figuring this out!

Maxime

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

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