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 0D1A1CD3427 for ; Wed, 6 May 2026 01:31:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=j5DW3jTO9eA2U0B2B7EG/QgJNumeWedc8beO5QJcqXg=; b=NxWd2ZDOGGZ6WJ0/0sjuThlogs ITvxHh1y1WUvrGt12AM+q4iqZC3Hasd6j8+ZP39GdDKJtCOTCSysvdoJ5JYV/Vcmyn46KnrANOUOx 6uJzU0niclyE4bTIQiqLXvpqnwEIwMYvJfnhR1huaXFlbTfetHWtsqyFhcWmjSGSem/yKXusRYrYn r9wxP+jk6U8MLrnrNQCKMd1Lkl/qP9qJ9U3JcwW7695AfyXVGmLRB3gdqkXaVjCbFlKa2IoYUNOaF I2eFxKWQ/PVPZFKClVQ6KIPA8t9nyT8FsXxYK9jKOt09IpOQ9SV/GqVZobLXAOAPbtHXrnMHfX38l yVaieNsQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wKR6j-00000000PYs-0mrz; Wed, 06 May 2026 01:31:25 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wKR6i-00000000PYj-1dZm for linux-arm-kernel@lists.infradead.org; Wed, 06 May 2026 01:31:24 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 66FD460123; Wed, 6 May 2026 01:31:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7982C2BCB4; Wed, 6 May 2026 01:31:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778031083; bh=o2yy2Ww9i8w4gC0U+2YoW4VSEUxmrqIBx+Xo75LoX1c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=epU1cA3klIDMZmbe9hL+8MnWKyObxZIooq0sRL5JIKYas2TmzTa13g2/yv9VuZORh XrHPPoRbcsnHfg4TqGwOgeCFlTeURJINvzMu2iCR2/YvAzu/GWB4k3bPYWJlGd57V2 4lu5djbXVU+F8w/WNmPawGsGNd3xbnUMQseazanwywzbZGsjjb/lWO/y7aAGXgFO7Y ry+7LBHj2eJf2Dxs0v3HVCA5uzHLHS0ffezdvR08F2//BiYMEAw5ISIBm22osmymHT mdSYe+cipA7QnicXft2QLiHe6IUR2ugzpVw+AmVHdnwVYw3WbNZ3+S2GXaZ+VCzx6I V2dWtoXGE99Rw== Date: Tue, 5 May 2026 20:31:20 -0500 From: "Rob Herring (Arm)" To: Billy Tsai Cc: Lee Jones , linux-arm-kernel@lists.infradead.org, Conor Dooley , Linus Walleij , Bartosz Golaszewski , linux-aspeed@lists.ozlabs.org, openbmc@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-clk@vger.kernel.org, Andrew Jeffery , Joel Stanley , Andrew Jeffery , Ryan Chen , Krzysztof Kozlowski , devicetree@vger.kernel.org Subject: Re: [PATCH v8 2/3] dt-bindings: mfd: aspeed,ast2x00-scu: Describe AST2700 SCU0 Message-ID: <177803108003.262903.4940784340519563848.robh@kernel.org> References: <20260428-upstream_pinctrl-v8-0-eb8ef9ab0498@aspeedtech.com> <20260428-upstream_pinctrl-v8-2-eb8ef9ab0498@aspeedtech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260428-upstream_pinctrl-v8-2-eb8ef9ab0498@aspeedtech.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 28 Apr 2026 17:49:46 +0800, Billy Tsai wrote: > AST2700 consists of two interconnected SoC instances, each with its own > System Control Unit (SCU). The SCU0 provides pin control, interrupt > controllers, clocks, resets, and address-space mappings for the > Secondary and Tertiary Service Processors (SSP and TSP). > > Describe the SSP/TSP address mappings using the standard > memory-region and memory-region-names properties. > > Disallow legacy child nodes that are not present on AST2700, including > p2a-control and smp-memram. The latter is unnecessary as software can > access the scratch registers via the SCU syscon. > > Also allow the AST2700 SoC0 pin controller to be described as a child > node of the SCU0, and add an example illustrating the SCU0 layout, > including reserved-memory, interrupt controllers, and pinctrl. > > Signed-off-by: Billy Tsai > --- > .../bindings/mfd/aspeed,ast2x00-scu.yaml | 114 +++++++++++++++++++++ > 1 file changed, 114 insertions(+) > Reviewed-by: Rob Herring (Arm)