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 52AF7242D67 for ; Sun, 18 Jan 2026 08:59:08 +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=1768726752; cv=none; b=ePHuAyqGZDA2mpA6r4vLEgallhKP2HeaTbwoQJT2rPnlaLvNzb0oRKZmrdNWnfP/DjHiE1XAAGl+dGRwZ1ZhDm31C9Iy7Iq5lswux8g/L1AVMLGdx24mz7BV8j5Y2Ebum9M5ir50tjVxN/S9N6+V59+Sw5Eeuf6NIUiGdKncRB8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768726752; c=relaxed/simple; bh=2wt4FXitjx7He11KhFEMJjihW+3VNXLwrK+DkNf2WDI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=J94sb2Qs5CsnKQh4lvuBkhiwhL1+sQjF44RxmvYal/qg7CS3OjNqJGqvJORIcnjBNFFJi28F0JoQmJi1lq4wbKDxMrEj7R36sZATLVqKvpVqtShbvNVFM/CEBlCUrFXK+8NPGeLS9q3NhmC5NXih5HY+QvIlNyehS+K26FTKun8= 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=aNEhv4wk; 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="aNEhv4wk" 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=fanY txmRuuzXQJ2K5eQ0PcI2YHGrm1FfDB1ug+eYXF8=; b=aNEhv4wkxZm/KQTFbLjJ vIQB4JvMZCwqcxYMzOiJ/0/P0zCMoUZxo8NfXTv0WD0DtyX0XZZpPoP5JkD3Og43 K3d8sN92HzqFQhXUsapi3z17Dw3wXGpUW23ZYRMpLHcoF96l/ssolDetvpnPweza blLpOqnQ7ycaqgJ9KvuyTd0W9Xb47Odah5YZOd7FRCLyXymS5bGNynqu8wzFbADz dA4ZWb9tP6ldrDGugVmUhWskAIHOQ7O1eM8iu2TnWkjynCFWoQFLKATAQI+eNk1E TnTM759vIjCMw3xSR67OWkPyPoga9nU6KCD9kD1eC/zrZWm0gzBu2jYJFZk52Q6h MA== Received: (qmail 3539292 invoked from network); 18 Jan 2026 09:59:00 +0100 Received: by mail.zeus03.de with UTF8SMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 18 Jan 2026 09:59:00 +0100 X-UD-Smtp-Session: l3s3148p1@WZsKyaVIZIQujnst Date: Sun, 18 Jan 2026 09:58:59 +0100 From: Wolfram Sang To: Miquel Raynal Cc: linux-renesas-soc@vger.kernel.org, Geert Uytterhoeven , Magnus Damm , Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org Subject: Re: [RFC PATCH] ARM: dts: renesas: r9a06g032-rzn1d400-db: add QSPI node including NOR flash Message-ID: References: <20260116114852.52948-2-wsa+renesas@sang-engineering.com> <874ioltu94.fsf@bootlin.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="g9immr4DKGlvpLxW" Content-Disposition: inline In-Reply-To: <874ioltu94.fsf@bootlin.com> --g9immr4DKGlvpLxW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > The tuning values used came from Miquel and work here as well. An > > interested party may try to tune this further but I will go the safe > > route here. >=20 > In case you feel adventurous, this paragraph made me remember that I had > noted down some slightly more aggressive values related to the DB board > (which I don't have) in some of my notes. A bit of digging resurrected > the following: >=20 > tshsl-ns =3D <30>; > tsd2d-ns =3D <3>; > tchsh-ns =3D <3>; > tslch-ns =3D <3>; Yes, these values can be found in the BSP and could be deduced from the SPI-NOR datasheet, too. However, I got -ETIMEDOUT with these. Didn't investigate further (and no time to do so). --g9immr4DKGlvpLxW Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmlsoM8ACgkQFA3kzBSg KbZtTw//aq9SAageg8A9YN/ePHvDnnWqA3UMyvR4lu+uV2ZD2g9Hdd8dRlsGZiV1 sf98povhfW6oMYV7u0liJgPEEE9wdda4bkr6+VTtHSxrQ7koODHrzt1U3HGXisdY 0p7AdjJ9eBmi7jUYGYDBVvv7I3Dsnrvg5BiXHCuN/mrLSDkb/k2yytUJbvV3WiBP rBHEgnrB5r0c37GSvCHuYFhDbntLMAtod7FkeAZLrO1L9oXsiRpfpWcyM0AD2DhW VMsCNk4AqKY/FentUzSJ4A4lrcldYUvWP6EXP9+3Wpw8GjVDhhNdeevhKreK1M6n T/jBWO8URIh7gsRkLAOKj5WLb/G/zBKXh600i5n8IOZaE9swwWkwAXkfoK9XpnYk CtMTvFaZtp46nJfN9AS6UIj6J/XHqMJJyDMFuRPzIiMzx7OZzLOi8usHHh3tPg9z qdAmImCcpOqAi+ZNBPKnKKfj467nviXYoN4cG/EWEQa4gnHwzzoDMhzdoM4J6rvn 6Ujsawk58ZpA7YXflBntSZfXLhHxZZNGm14vD2uKn29LgmtNfIIg3xjncW2f51Jp QV8G7BHpQ9DFdmcmHUAXdx7j0fHSRmQ6XlmxXRf8x+iEAlBS5i1TR/G4xSNvc0yV X8w20rfXYjHZs4x4UWANU6Lg1Ahpdra2thKAq1+nGwpomEPzeHE= =CZuo -----END PGP SIGNATURE----- --g9immr4DKGlvpLxW--