linux-kernel - Aw: Re: [PATCH v2 11/18] arm64: dts: mediatek: mt7988: add chosen node on bpi-r4

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Message-ID: <trinity-1c2ce600-fa6d-485e-93ee-1b66b6cf4939-1733162074956@trinity-msg-rest-gmx-gmx-live-5cd5dd5458-t4xzg>
Date: Mon, 2 Dec 2024 17:54:35 +0000
From: Frank Wunderlich <frank-w@...lic-files.de>
To: krzk@...nel.org, linux@...web.de, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, matthias.bgg@...il.com,
 angelogioacchino.delregno@...labora.com
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org
Subject: Aw: Re: [PATCH v2 11/18] arm64: dts: mediatek: mt7988: add chosen
 node on bpi-r4

regards Frank


&gt; Gesendet: Montag, 2. Dezember 2024 um 16:58
&gt; Von: "Krzysztof Kozlowski" <krzk@...nel.org>
&gt; An: "Frank Wunderlich" <linux@...web.de>, "Rob Herring" <robh@...nel.org>, "Krzysztof Kozlowski" <krzk+dt@...nel.org>, "Conor Dooley" <conor+dt@...nel.org>, "Matthias Brugger" <matthias.bgg@...il.com>, "AngeloGioacchino Del Regno" <angelogioacchino.delregno@...labora.com>
&gt; CC: "Frank Wunderlich" <frank-w@...lic-files.de>, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org
&gt; Betreff: Re: [PATCH v2 11/18] arm64: dts: mediatek: mt7988: add chosen node on bpi-r4
&gt;
&gt; On 02/12/2024 15:29, Frank Wunderlich wrote:
&gt; &gt; Am 2. Dezember 2024 14:46:24 MEZ schrieb Krzysztof Kozlowski <krzk@...nel.org>:
&gt; &gt;&gt; On 02/12/2024 13:25, Frank Wunderlich wrote:
&gt; &gt;&gt;&gt; From: Frank Wunderlich <frank-w@...lic-files.de>
&gt; &gt;&gt;&gt;
&gt; &gt;&gt;&gt; Add chosen node on Bananapi R4 board with stdout and default bootargs.
&gt; &gt;&gt;&gt;
&gt; &gt;&gt;&gt; Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
&gt; &gt;&gt;&gt; ---
&gt; &gt;&gt;&gt;  arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts | 5 +++++
&gt; &gt;&gt;&gt;  1 file changed, 5 insertions(+)
&gt; &gt;&gt;&gt;
&gt; &gt;&gt;&gt; diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
&gt; &gt;&gt;&gt; index 9037f35857a9..1c2a806f6f6c 100644
&gt; &gt;&gt;&gt; --- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
&gt; &gt;&gt;&gt; +++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
&gt; &gt;&gt;&gt; @@ -9,6 +9,11 @@ / {
&gt; &gt;&gt;&gt;  	model = "Banana Pi BPI-R4";
&gt; &gt;&gt;&gt;  	chassis-type = "embedded";
&gt; &gt;&gt;&gt;
&gt; &gt;&gt;&gt; +	chosen {
&gt; &gt;&gt;&gt; +		stdout-path = &amp;serial0;
&gt; &gt;&gt;&gt; +		bootargs = "console=ttyS0,115200n1";
&gt; &gt;&gt;
&gt; &gt;&gt; Drop or merge into stdout path.
&gt; &gt;
&gt; &gt; Have you an example to pass speed setting to stdout-path? As it is only a phandle it is not clear to me how to merge these 2...
&gt; It is really trivial to find, considering that 66% of files have it.
&gt;
&gt; git grep stdout

thanks, wasn't aware that string is here also accepted...found it ("git grep stdout-path" is much better here :) )

will change both lines to this single one:

stdout-path = "serial0:115200n8";

&gt; Best regards,
&gt; Krzysztof
&gt; </frank-w@...lic-files.de></frank-w@...lic-files.de></krzk@...nel.org></frank-w@...lic-files.de></angelogioacchino.delregno@...labora.com></matthias.bgg@...il.com></conor+dt@...nel.org></krzk+dt@...nel.org></robh@...nel.org></linux@...web.de></krzk@...nel.org>