From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.gentoo.org (woodpecker.gentoo.org [140.211.166.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7ADFAE54B; Tue, 20 Jan 2026 00:31:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=140.211.166.183 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768869118; cv=none; b=hLdrT8STQorBIjatQIh7wBJjzYxse0RCSNCelcYI4XY7eOxCuFoJb8gecWRaIcbjYQJdLfkiipY9OcUUT7EQdCYrv/+WKuX/i7ynCm046fzXA2R+TVw97N4KV1vOdcVU9EbhaHc0GGNnXOtue0FZkG5QQ/xgBsrbq1XApFUIxEo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768869118; c=relaxed/simple; bh=lPl6SOq9NXLoSBJb6nwjexvYAcO40lQytpLzAq9ZKsI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=VHd7X6bgtXFy/l4/Z0vBQK4IKPQuvXnWes4c/gQVwbLJOGKZxyO6fQuqHrM6YECasmxDbCDN9P/s2LAStS6Eh2x5BTYw22iqMq5gek1tQ7NfiAO9vi/wWOhOHWBAibfL86iP7bhBJ1WLdzLDhSZdaL6AZvZQ1X0hZpxwTyprVpw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org; spf=pass smtp.mailfrom=gentoo.org; arc=none smtp.client-ip=140.211.166.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gentoo.org Received: from localhost (unknown [116.232.27.242]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange secp256r1 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dlan) by smtp.gentoo.org (Postfix) with ESMTPSA id 2CD9C340D4D; Tue, 20 Jan 2026 00:31:54 +0000 (UTC) Date: Tue, 20 Jan 2026 08:31:50 +0800 From: Yixun Lan To: Linus Walleij Cc: Troy Mitchell , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org Subject: Re: [PATCH v2 0/3] pinctrl: spacemit: support I/O power domain configuration Message-ID: <20260120003150-GYA56672@gentoo.org> References: <20260108-kx-pinctrl-aib-io-pwr-domain-v2-0-6bcb46146e53@linux.spacemit.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Hi Linus, On 00:52 Tue 20 Jan , Linus Walleij wrote: > On Thu, Jan 8, 2026 at 7:43 AM Troy Mitchell > wrote: > > > This series adds support for configuring IO power domain voltage for > > dual-voltage GPIO banks on the Spacemit K1 SoC. > > > > On K1, IO domain power control registers determine whether a GPIO bank > > operates at 1.8V or 3.3V. These registers default to 3.3V operation, > > which may lead to functional failures when GPIO banks are externally > > supplied with 1.8V but internally remain configured for 3.3V. > > > > The IO power domain registers are implemented as secure registers and > > require an explicit unlock sequence via the AIB Secure Access Register > > (ASAR), located in the APBC register space. > > > > This series ensures that pin voltage configuration correctly reflects > > hardware requirements. > > > > Signed-off-by: Troy Mitchell > > Excellent work in this patch series Troy! > > > Troy Mitchell (3): > > dt-bindings: pinctrl: spacemit: add syscon property > > pinctrl: spacemit: support I/O power domain configuration > > These two patches applied to the pin control tree. > > > riscv: dts: spacemit: modify pinctrl node in dtsi > > Please funnel this one through the SoC tree. > Thanks, I will take care of this > Yours, > Linus Walleij > -- Yixun Lan (dlan)