From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=194.117.254.33 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793564728; b=eNQcQNb18d+GWhjfAtefV/zvkwzUFKPkbzuORd9DgNd8DBDkhrPgIsijEgQbxjb4lBPk dGuLi6qdvi6s3spYLh0CmVoHGDHjVBcEtdbKSNj0EOg81qSEOmdB+JKfAZNMcdv3SiHrL OwqJfLl2lrHZiRhoJnUqoTQJxV5mmeqv93q6YFbBLPjcmMW1td3cfK4QSOdQYt+TOHAYW uvAwCY6eQ85rJOhZBPRyTxgEOmHS/5d3i3nopORzL6eT2jcgRe7fSWjhzsbuH9+YJ7Miv H5KEaGSf8y0QS0aftH5FbUhSnUP4Y8CUUrvA4JHT9OJESGDIqn1mzhmHU5xE/OaV68Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793564728; h=DMARC-Filter:DKIM-Signature:Received:Received:X-UD-Smtp-Session:Date: From:To:Cc:Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; bh=hCEp617jQD08gcsGuzNPxj0pZDjFgXb5JPdljCDEfxg=; b=wGwvS7m+KS+CFKjYClygS0JBYt/MMxb4YbgLcagaXowimlK340JxSrQA2tjXXm/4A8vV 6+beSKFaMdA/+MFiPHOOVfXloYKNlCeXD+L6ceb+I0L4qNx0SXPtJ4rQyVZEKnKFTedSh aAoARGposQsmWcel62p+lMdgSy89D9trXXHIScJw0Y+3EXDaxYJ76Fu13kLpj4zc6ccb0 riZXZcT2BknEB9c9TK9jmZ1SORC5SkcPOpd8VNayChjLZcMEeaAFsCX64pxOM2/IkNyGA n+HFcvV4xbof1BWopFuxBTgti23skyOFMis6YMjFm2Q3GLtoWAjI2rEscPfga8XfNog== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass header.d=sang-engineering.com header.i=@sang-engineering.com header.a=rsa-sha256 header.s=k1 header.b=FWCl+TKL; arc=none smtp.remote-ip=194.117.254.33 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 37B0E606A326 for ; Sun, 1 Nov 2026 20:25:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 37B0E606A326 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, unprotected) header.d=sang-engineering.com header.i=@sang-engineering.com header.a=rsa-sha256 header.s=k1 header.b=FWCl+TKL 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=hCEp 617jQD08gcsGuzNPxj0pZDjFgXb5JPdljCDEfxg=; b=FWCl+TKLp4Z61J6CB67M gFQTDB9/UXXUgn0V98cIpWxxpIHDvaPi/XldHBCMJ3N9yzKPh30HLEOQa+36Pd7q 0haglR1fTxaewQJqmoZ9vR0qNCtw3c5eQ6wfLM/7AVfyo4GbiNRqh27Camk9NYuU LKSgNK9JmCiNHZxrldDF61H2214cAUyCGpw9YT/EWBQKQ0vKifzMqfX5P1EKYore kPARxwByg9V76spKWAxO+egrw9wp85atxHGGewXQuxfKeFWr96xEI7qzuruXRNV5 JsEI4PlaZWpMtXyN9VkMm4M2d3eLaRjP8LKSLqrh4Fi9AnkBVpXlDyNc+AUNNa1T 2A== Received: (qmail 851632 invoked from network); 1 Nov 2026 21:25:15 +0100 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 1 Nov 2026 21:25:15 +0100 X-UD-Smtp-Session: l3s3148p1@89W+0zxfLOfB0HFD Date: Sun, 1 Nov 2026 22:25:15 +0200 From: Wolfram Sang To: Diogo Ivo Cc: Tommaso Merciai , Alexandre Belloni , Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Stephen Boyd , Brian Masney , Jerome Brunet , Linus Walleij , linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org Subject: Re: [PATCH v2 3/7] dt-bindings: i3c: renesas,i3c: Add RZ/G3L support Message-ID: References: <20261026-divo-ssgrlpcsrc-2966-i3c-v2-0-2e76b87209bb@renesas.com> <20261026-divo-ssgrlpcsrc-2966-i3c-v2-3-2e76b87209bb@renesas.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261026-divo-ssgrlpcsrc-2966-i3c-v2-3-2e76b87209bb@renesas.com> On Mon, Oct 26, 2026 at 11:35:46AM +0000, Diogo Ivo wrote: > Add device tree binding support for I3C on the Renesas RZ/G3L > (R9A08G046) SoC. > > The I3C IP on the RZ/G3L is a subset of the one on the RZ/G3S, as the > RZ/G3L has no HDR Exit Pattern detection interrupt. The resources are > consumed by name (the tclk clock, the presetn and tresetn resets and > seven of the named interrupts), all of which the RZ/G3L provides, so > software can match and bind a RZ/G3L node through the RZ/G3S > compatible. Add the RZ/G3L-specific "renesas,r9a08g046-i3c" compatible > with a fallback to the RZ/G3S "renesas,r9a08g045-i3c" compatible. > > The RZ/G3L is not compatible with the RZ/G3E, which has no input analog > filters and supports high-speed mode (up to 3.4 Mbps). > > Split the clock and interrupt constraints into separate if/else blocks > so that RZ/G3L nodes inherit the 2-clock limit from the RZ/G3S fallback > while being constrained to 16 interrupts alongside the RZ/G3E. > > Signed-off-by: Diogo Ivo Reviewed-by: Wolfram Sang