From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5FB8D1E7C03; Sun, 4 Jan 2026 01:41:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.81 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767490876; cv=none; b=LkrIP/GKOMLM8BzVeUksfvJ8rGjd/+AjT2+Jy1QlVSRS2J6pt2MAX9CCew7Jc5F98knz5pHMwDs+dyl0AsQ5Jf9vrF+083qikVsh9zntLXns2q4XKqLJKnjNSkVHEIda1Pjje4GN7vZowQeIRvKBvlXOFcuenff9qvyEyRhB5Fw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767490876; c=relaxed/simple; bh=sukF+HLWzcwzlOW9mzjcbVDENYR58LaY7GrnVEarMVE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jQYJHvpNIbVqTCrfp7jY0KH3rPVzbmSne897UlLHx7+8uf6M17dBKGGbpkGQURkJSzVgH5qssic4b/oT1CFeSmTZFdOHXw3hhEsmxMy/Lld7ZE8qPSVgvuiqVA2OEGXgnPKhsv/bd93seYB8rl2G0cs3JUjR4JV4izz16h6N6zc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.iscas.ac.cn; arc=none smtp.client-ip=159.226.251.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn 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> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii 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-CM-SenderInfo: 5mld534oul2uny6l223fol2u1dvotugofq/ 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