From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1388212B72; Fri, 29 Dec 2023 17:18:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmx.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmx.net header.i=wahrenst@gmx.net header.b="gJbGmcgu" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=s31663417; t=1703870279; x=1704475079; i=wahrenst@gmx.net; bh=EB6S7+Rh5b+7EqTGMxgab2w+onEbSJoo5Vn0fmC6ifY=; h=X-UI-Sender-Class:Date:Subject:To:Cc:References:From: In-Reply-To; b=gJbGmcgu9goHb4BTzAr77EGkV/Xc4bHf6QdliFV+YhRsYFzVROJ2AxuaDFCqU6Ii aCwg+6VTLjWtZIfKcdzbE7qdl7ZwgReEl7ZHq1vOCcxUjH8qFy7fZQhM93cGehcE1 3RPA3DGqkKM200HhR+aIlWtVoZZLeayyrHgalOotUjLZbVx/Johut0sT1jwAq+Btp 6jrscH2Z0woKSLoqrFAgydlh1AHg/OxDRuBvrljOOq05Cn+/Vvc3RIBkpU81df9/z FNK87xu3drpSL3zbJcR+RiMEQaC+Rfn1g6k6SApHwiclq4LtPQr6wNIi5EvJfpYFo m9KYnzv6qgGmJi/hFg== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from [192.168.1.167] ([37.4.248.43]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MJE27-1rYJAq04wl-00Kl5N; Fri, 29 Dec 2023 18:17:59 +0100 Message-ID: Date: Fri, 29 Dec 2023 18:17:57 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 2/2] arm64: dts: imx93-var-som: Add Variscite VAR-SOM-MX93 To: Mathieu Othacehe Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Li Yang , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Krzysztof Kozlowski References: <20231227170919.8771-1-othacehe@gnu.org> <20231227170919.8771-3-othacehe@gnu.org> <87plypqi2d.fsf@gnu.org> <4e3a0328-0ae7-40fa-b37d-16b661e28a1e@gmx.net> <87zfxtosyy.fsf@gnu.org> Content-Language: en-US From: Stefan Wahren In-Reply-To: <87zfxtosyy.fsf@gnu.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:hTMINXcXHvytF1vhaglgsPQlqUp3zCTSoR7xaA+wXt1Zf3NMbBQ 4wy8YBn73t1+PCVCQVyVQSead/TCunmiJeVKiUhTDXIanget5euyGFl8ONJBR9O0yAtN1/+ 9nfPG4vCSkqxbgo6/d7c14/WMDZG/Dumt2tL5XtB8oGbE7x1O5K/siuVwLqpnTOpmFFGeTS JEiKgQ6ZHXF/x5xPk+6iw== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:NQIdbz97cZU=;EQ0dCoaZ0GyLvbLCDJMb/Iqn2EH RhsFD0DCopL8pOJJs/YWQdmFDkSgwgy6Vdy9qSMQY3zEyI/i2WZ16pzJD1mlh0JIvLAFt8QgY vGTX2cZFQvYe9DZp7S1rz1gOhdbBQlsIGQtVBi2h/SOMNnQOZxla1AodzIsY59Z95AASTrJnN 9Pks2bLAQ69A84yY8EOzuYKMXSllyB2m3YqZoMzahk8lQyoC7EJcr+W3UroeDCnQPrxLuD0JR qUrDTKduG8UWZbPLgPfd0dtxGFIs0aAx5ppAW6PyVUKDBEmKfIyMcagkZBOB4Xjdk0DEirPeW /XN7z3OL57JPYOk5/PWVgY4v4gMzDAq0UBB4yY2xhKPhqkwRlQ/o3AZTYDQk0FX+qVacu/xx5 OdoFgR/x/tpARg+YA8/ZHTreahf+5uj2K7NnrYz4AhWVKl23//L/m1gF7GjIgJhrTvNcFLCvK 6yU7RIIkFH0ymaXuEh8ar5Gel8Hinx5zOTqSDigKTqoReHvYn9aTskBVWhItKvf33wt6AOjZL tB0ttUt8nz4NxvQnU3kq1QkuiZLwGkhOeA69Xz4vnEsnG2F7U/+iHTUsjthCh+2vhBE9SgL41 2FKnh1iXgTp4MmsYqrhAuTfUGu7H3YDXhwaXb2iwYcxaKKQhplSpA2M2pQ0oQH+xSmZUCyLZe 39mSB/xJN4kH7xYfutRk3UiGjqzY3q6ZqLRBA1eVmK0mOA+s+XOa4YS0bMagQkDMzasavVYvP wNkRToVFhMAuti7CLxP+SF76KY+s5bI4TnqHKLBzTyGa/2Y0ioIb5+CFbJ5y+LodofSeeXW3N 1daTE7dtUyzxANoC6FYKLNfD0lgB2hM4KgL6uACndSzzaGd1QfLMP8ef6MqdXiCc235FTKAYM aAdmKILYNurb+W1sO8y3sGdunhaM5xSjqt/kNJMOe4nSDwhdJ3SlBz2Pp66DuGXdQCmrUDhAf NhJ5AGXiuJOL8Lb6UoM63qUz/oWG4pqAa9gbvNF4XPAO4Vg/ Hi, Am 29.12.23 um 17:48 schrieb Mathieu Othacehe: > Hey, > >> I also saw in the other Symphony DTS a LED for heartbeat. Is it usable,= too? > Yes, I will add it to in v5. > >> According to the datasheet the SOM expose 7 UARTs, but only the debug >> UART is enable. What is the reason for this? > So those 7 UARTs are: > > UART1: console > UART2: used by the microphone > UART3: used by the resistive touch > UART4: used by the ethernet/resistive touch > UART5: on J18.4,6,8,10 (used by BT) > UART6: on J18.7 and J18.9 (available) > UART7: on J18.3 and J18.5 (used by the M33 firmware) > > I will enable UART6, and add a mention about UART7, something like: > > /* J18.7, J18.9 */ > &lpuart6 { > pinctrl-names =3D "default"; > pinctrl-0 =3D <&pinctrl_uart6>; > status =3D "okay"; > }; > > /* J18.3, J18.5 - used by M33 firmware */ > &lpuart7 { > pinctrl-names =3D "default"; > pinctrl-0 =3D <&pinctrl_uart7>; > status =3D "disabled"; > }; in case this is used by the M33 firmware, this applies to all i.MX93 so we don't need this. Just enable UART6 and keep UART7. >> Btw the commit log mentions a Wifi (via SDIO?) and audio interface. Thi= s >> is currently not supported by Linux? > I am not sure about that, and I would prefer to study that a bit later > on if that's OK :) I can remove it from the commit log as this is > misleading as not already supported / tested. This sounds good. No need to have it all at first. > > Thanks, > > Mathieu > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel