From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 0EED4606A32C for ; Sun, 1 Nov 2026 20:25:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=1NGYFT3E; dkim=fail reason="signature verification failed" (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; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=quu47qUYVG/8bGQa4IB5VPWAKL91RpOA8Uejj62r778=; b=1NGYFT3EhmtqlcsdI41RNqe8nx L8vuPcGUJTTY/7Yv8Qs3GZI7HNrzRu/MFbf3HgJtNtpce2rFQDtlkmlC90XV/4tJG4qymm/4cH6sJ pIe6bV7+2h2xoD3xz9DFUE8M5qT8QZv9Gf8mjuNfsOscQSiuIZtwKfbnEVfmmuAxeC+2cgK+yFb98 cValevaHogWPGzHoNP7W6UYVSHnawGKMFWLTfwrAP1gSFZwrxrhMKVMe4cofqjXdG5JSk5OaVCdQF TzkFxcx3ynWIiMODbc9vK5Hhow0fYDlmu4Nscg01SCsdpKnHBk0g895EVmCSfY76SWkHuX+Q4nMwC lXw0/U5Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xNc7J-0000000EsR5-2W9a; Sun, 01 Nov 2026 20:25:25 +0000 Received: from zeus03.de ([194.117.254.33] helo=mail.zeus03.de) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xNc7F-0000000EsQV-3XfF for linux-i3c@lists.infradead.org; Sun, 01 Nov 2026 20:25:24 +0000 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-Archived-By: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20261026-divo-ssgrlpcsrc-2966-i3c-v2-3-2e76b87209bb@renesas.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261101_122522_781947_9199D3B9 X-CRM114-Status: GOOD ( 12.28 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-i3c@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-i3c" X-Spam-Status: No, score=-8.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 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 -- linux-i3c mailing list linux-i3c@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-i3c