From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (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 D41CD2580F2 for ; Tue, 11 Aug 2026 01:51:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786413112; cv=none; b=s9tevN7MPj2p/gVTx2OLdvKsT41PLJhhKOwCI3OyLPzXI9aJM+jcl7s9gz1GccS8lj4I634V7UxIg2Th4KOiishajPccOeDrZn3O4VuC0PjF6/lBg6pJizxPz3WIgIVxskAO3YIqYIyTKWBbLYXvFiEyjJOdpKIHuoQZtQcTBXk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786413112; c=relaxed/simple; bh=r8HTThCXugbpAAl9VCdUHsHwKJZBn6+DRB58+4ksMuI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=n1/IA9TaJUqZEjuLMDXj6jvfwRydG3qqzXEu/HzlqnhznyV0fyp1mFcP9wEWMhwyKVuOXljoJ9XFxgpRtaHlaEwMGCfZM9/Ad8KHPm/OMoWnriv4SflGXBM9jSYVcTfgQ/aCgsDZ0mWh6Khmknls7wyyhmQ5HhokTAaWQ+xX62Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=jl3tuSPQ; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="jl3tuSPQ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=DbG4 Oa8QvPWoJtick5uHrB1Vc7DywZO9zps8nvpIzzs=; b=jl3tuSPQ+0PHzgD2Chjx zvfMzwU8ulaXAju/zPNDrSS18E/BvWbpodULIOYpHTJZ7yoqIjKIFoGV2/2C1mjk OUVPnEeEROj3tI/tX2xG0Sii9bljlIOz3dgtocozGhpVnZkNxgWdsk+2GLMBF9LV DbSeWDeCF9KSNTvnOxeLYu7P+3vEvDGdV9/7hVcNkpWwgGgSa2Ec+c+Rbe6XOqa9 F0394GbWeem5OkaI6ZPG2yddYWz96ow7lyVLA6L5CuBau//+P2TRDU1xI/KN2lBW bBvyuoxOPeExESFw6t0T1h/RqaRxLIQJzonUJMPV2LmgYvibEctNDKoo4FZTKOzM Fg== Received: (qmail 1348585 invoked from network); 11 Aug 2026 03:51:39 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 11 Aug 2026 03:51:39 +0200 X-UD-Smtp-Session: l3s3148p1@R6U0trtYztYqEdSGzc+zASRLTMTc2Pm+ Date: Tue, 11 Aug 2026 03:51:38 +0200 From: Wolfram Sang To: Geert Uytterhoeven Cc: linux-renesas-soc@vger.kernel.org, Magnus Damm , Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org Subject: Re: [PATCH v2 2/2] ARM: dts: renesas: r9a06g032-rzn1d400-eb: enable GPIOs on CN12 Message-ID: References: <20260716095935.13329-4-wsa+renesas@sang-engineering.com> <20260716095935.13329-6-wsa+renesas@sang-engineering.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="qnI7wrOONy7lI7h7" Content-Disposition: inline In-Reply-To: --qnI7wrOONy7lI7h7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > + pins_gpio2b: pins-gpio2b { >=20 > pins-cn12? Okay. > > + pinmux =3D , > > + , > > + , > > + , > > + , > > + ; > > + drive-strength =3D <6>; > > + bias-disable; >=20 > These pins don't have any external pull-ups, so disabling bias will > make them pick-up random EM noise when left unconnected. Can fix, but is this bad? I'd assume the connected pins will handle it. And if not, the DT needs to be adapted to that use case. Otherwise, a default pull-up needs to be disabled for another use case. --qnI7wrOONy7lI7h7 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmp6gCYACgkQFA3kzBSg KbYxFQ//aoMqyCZjSWPRU9o+uBsWOglUgPZRJ2OnvQbePBuQ9pt5Pafa8XEUaRw9 MkvdMiv0IfKzrEj1+v+oNjvGFU+LHSn5sR5i+CDLD8+bPy31F6XNA3nyldwfXbBA yRsbl/BPgA2hZG1GCLPGzZxil+sqMdfjYAuuk6qxLbGIXE9jX1FYWb+GC0mK0h+t ggJQoP7X2VIFbw/nFAYuECnSnwkadM+TDItgr3X0PE1VGc4q2YHNQSYrAymqGEPy PvRtSFhsS+wxF3+MF5CwxZ6MrJMaUZheJPzEAKRvTLwIpuXZEyJx5aHjlcl3v/Wy tnL8ubEBSOR+aNRn8wvaS0dP87tPwpZtX+24TPG9+sAo5qKbaIHKiBTj/bFWdmg0 HwyQbJRy8/Y4/vBZKTVTTIoU67TYnBk5dJx9VzM8nbiJl/VAY1H7Bewc4RK86Yqq Vh66GcQ8R8FzkHgSjgXVd6sIrdr1ODNHrQBq/WEVHnCvGfoigkG6BwHT5FIv/eML YB3rgJm+ORLX/yTgBXzNo+0nYnJBAxOThKziaZ5ztc++9hPJNl63aM+oeL5oBA+5 HL+HJy2NtIXqeRPHMZOOuWzQKhzIrIWuWiNoIYi2j9oLPudsYEruBdvAmurLTqbI PBcn+1USAbDSsBjL/z1WQfNOVDy5uut5v9swVlcNJUaiN+NaSG8= =0yYX -----END PGP SIGNATURE----- --qnI7wrOONy7lI7h7--