From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E1361C2A069 for ; Sun, 4 Jan 2026 01:41:13 +0000 (UTC) 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-Owner; bh=uIuByxHI+Xfg4QhTb06jhdOBhovqeHZ+Vee+EkTdW3U=; b=IktjFVc3xNJEj/ osEdhihwhN38iaPD4jJQRl2nW5jd4JQ1/wBLBE12ju7cwzCD5VwxDuTQy/SBTSJPGfL6AnRER43lK OgOWbC4UAhSlzkWUMOvXB4MiJr5w1fOuH0kHnQc5iJCz/Udg+wfc8qmyUyvsC0o/MoNTIYUwH6L6u tYXo8kwY15cUOndG7pbipTkZV1ixmDXTYs2FwT2NRWBu1fHJGBBPhCqzZGfSkabqdOD3V3N5Jf/ZW WrDXF05Ui0ExIVrBEHo8PMe4hxtrPxp8DgVcQafBhlfBom3/WKXd323pstovNI7StYBfFoYNxr5nW 5F3lwKjj1nAwOc4jX4qQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vcD7J-00000009wXv-2Tax; Sun, 04 Jan 2026 01:41:13 +0000 Received: from smtp81.cstnet.cn ([159.226.251.81] helo=cstnet.cn) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vcD7F-00000009wXF-0Rj9; Sun, 04 Jan 2026 01:41:11 +0000 Received: from duge-virtual-machine (unknown [223.160.207.26]) by APP-03 (Coremail) with SMTP id rQCowAA3T9YpxVlpeARJAw--.62026S2; Sun, 04 Jan 2026 09:41:00 +0800 (CST) Date: Sun, 4 Jan 2026 09:40:57 +0800 From: Jiayu Du To: Krzysztof Kozlowski Cc: conor@kernel.org, vkoul@kernel.org, gregkh@linuxfoundation.org, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, neil.armstrong@linaro.org, krzk+dt@kernel.org, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-usb@vger.kernel.org Subject: Re: [PATCH 2/5] dt-bindings: soc: canaan: Add top syscon for Canaan K230 SoC Message-ID: References: <20251230023725.15966-1-jiayu.riscv@isrc.iscas.ac.cn> <20251230023725.15966-3-jiayu.riscv@isrc.iscas.ac.cn> <20251230-jumping-visionary-coyote-c0be31@quoll> <572407e8-bac7-4277-bfbd-ed42327b0ff4@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <572407e8-bac7-4277-bfbd-ed42327b0ff4@kernel.org> X-CM-TRANSID: rQCowAA3T9YpxVlpeARJAw--.62026S2 X-Coremail-Antispam: 1UD129KBjvdXoWruF48GFyrJr4xtF1DtrWfGrg_yoWDtrc_XF WDAw1xCw47CFZrtws7KF4kJry3Ka47GryjqrZ5Xr4jvr13ur95Aw4rC34xJw1kGFWUKF15 Gr10vw4rW34YgjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbsxYjsxI4VWkKwAYFVCjjxCrM7AC8VAFwI0_Gr0_Xr1l1xkIjI8I 6I8E6xAIw20EY4v20xvaj40_JFC_Wr1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM2 8CjxkF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWUJVWUCwA2z4x0Y4vE2Ix0 cI8IcVCY1x0267AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIE14v26r1j6r4UM28EF7xvwVC2z2 80aVCY1x0267AKxVW8JVW8Jr1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IE w4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_JrI_JrylYx0Ex4A2jsIE14v26r1j6r4UMc vjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvEwIxGrwACI402YVCY1x02628vn2kIc2xKxwCY 1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8Jw C20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAF wI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjx v20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2 jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0x ZFpf9x07b0SoAUUUUU= X-Originating-IP: [223.160.207.26] X-CM-SenderInfo: 5mld534oul2uny6l223fol2u1dvotugofq/ X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260103_174109_516191_04E1D2CA X-CRM114-Status: GOOD ( 16.35 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On Tue, Dec 30, 2025 at 03:00:26PM +0100, Krzysztof Kozlowski wrote: > On 30/12/2025 14:14, Jiayu Du wrote: > > On Tue, Dec 30, 2025 at 08:39:19AM +0100, Krzysztof Kozlowski wrote: > >> On Tue, Dec 30, 2025 at 10:37:21AM +0800, Jiayu Du wrote: > > This hisys memory area not only includes the usbphy registers, > > but also contains the registers of sd/mmc phy. Therefore, the > > hisys node is necessary and cannot be folded. > > Can be. There is absolutely nothing stopping it. > > Anyway, define all nodes. I will fold the child into the parent in v2, thanks for your guidance. > > > > > > If what I said above is accepted by you, do I still need to > > merge the two usb phy nodes by defining one phy with phy-cells=2? > > You should read your datasheet, not exactly rely on me guessing. In > current form of the binding, you must fold the child into the parent. > > Best regards, > Krzysztof > > _______________________________________________ > linux-riscv mailing list > linux-riscv@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-riscv -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy