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Message-ID: <20201207211337.GA835025@robh.at.kernel.org>
Date: Mon, 7 Dec 2020 15:13:37 -0600
From: Rob Herring <robh@...nel.org>
To: Chen-Yu Tsai <wens@...nel.org>
Cc: linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
linux-rockchip@...ts.infradead.org,
Bjorn Helgaas <bhelgaas@...gle.com>,
Heiko Stuebner <heiko@...ech.de>, linux-kernel@...r.kernel.org,
Johan Jonker <jbx6244@...il.com>,
Shawn Lin <shawn.lin@...k-chips.com>,
Chen-Yu Tsai <wens@...e.org>,
Robin Murphy <robin.murphy@....com>,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 2/4] dt-bindings: arm: rockchip: Add FriendlyARM
NanoPi M4B
On Wed, 18 Nov 2020 15:17:22 +0800, Chen-Yu Tsai wrote:
> From: Chen-Yu Tsai <wens@...e.org>
>
> The NanoPi M4B is a minor revision of the original M4.
>
> The differences against the original Nanopi M4 that are common with the
> other M4V2 revision include:
>
> - microphone header removed
> - power button added
> - recovery button added
>
> Additional changes specific to the M4B:
>
> - USB 3.0 hub removed; board now has 2x USB 3.0 type-A ports and 2x
> USB 2.0 ports
> - ADB toggle switch added; this changes the top USB 3.0 host port to
> a peripheral port
> - Type-C port no longer supports data or PD
> - WiFi/Bluetooth combo chip switched to AP6256, which supports BT 5.0
> but only 1T1R (down from 2T2R) for WiFi
>
> Add a compatible string for the new board revision.
>
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> ---
> Documentation/devicetree/bindings/arm/rockchip.yaml | 1 +
> 1 file changed, 1 insertion(+)
>
Acked-by: Rob Herring <robh@...nel.org>
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