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 3BCAACA5FC4 for ; Fri, 2 Oct 2026 10:00:45 +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:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Zv+Yzqx6DsdGSD2oFM8VT12PHEpzSkVT9TOCD+GZP2k=; b=4P/cKbz3BqjskQqyTtYbfyoCoE yq2z6NnBTM9zOWZShdc5z7M/TfonVMX5R+MI2Zho/bc/ewEz9i78Sz4Ht+F/yX5Ynp6wyoIC49Q+2 vuJUxDA7fvNkDXYmTWA5Ggef5xYuQzoPCi+y7ULIN+PXA8NCijZ1aEHYzFRCQWG0T8Lo9peclFrYT o3rkWoZl3G4xHvyZiTSdtadCk1UMQRdDWXyesMme4a5Cn1lgxhVfgFkALZVifRj3ouMzULS5AaA2z lqnDtegmZ8KmSOTD65y48TGOQ1XTFQD6L/tkRF+gYXLmdmFvlN2G2INeftRZCJejqhZEzgp3QM3Xx 1cMaWCEA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xCa4E-0000000BF7v-3EIQ; Fri, 02 Oct 2026 10:00:38 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xCa4D-0000000BF7k-36jT for linux-arm-kernel@lists.infradead.org; Fri, 02 Oct 2026 10:00:37 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 5049B60A70; Fri, 2 Oct 2026 10:00:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 85C351F000FF; Fri, 2 Oct 2026 10:00:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790935236; bh=Zv+Yzqx6DsdGSD2oFM8VT12PHEpzSkVT9TOCD+GZP2k=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=RWPjbqIWjAu2zsKH644XlYKCB/5zP2d+eyVa9bodekD3uk2rLdVH6tt8lzHeMq38o ENn2x7jo/HkcI0K5NIcAihVD6QbLqBd5wXG0m4508G1xAZ8zqtzIRGYSnefFL4VOPG FzhNlttZFd5O3qP/+NxlcB2WS8X5zSI1dZKzMszMiSgcODKj9oOVn9ASWNozgAiGif SrMMYBejgB85ZTyF1lSBPkY/PesxPw6iRcDgmttgTXMtJq6djjtLvkTAxQWCHSZ0la 3E6arBxmnhjWA8jle1iCe4ii42waa4XVlD27m4TYenHN+C89nk70DCpILK/5T1Yu+O Fl41LZcTWAftQ== Message-ID: Date: Fri, 2 Oct 2026 12:00:29 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/6] dt-bindings: arm: keystone: ti,sci: Update nodename pattern To: "Padhi, Beleswar" Cc: nm@ti.com, kristo@kernel.org, ssantosh@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, afd@ti.com, u-kumar1@ti.com, vigneshr@ti.com, Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org References: <20260930194131.117129-1-b-padhi@ti.com> <20260930194131.117129-2-b-padhi@ti.com> <20261002-rugged-nondescript-cheetah-8caa9b@quoll> <73326965-527b-4de7-85f6-ce3b458c0401@ti.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit 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 02/10/2026 11:56, Padhi, Beleswar wrote: > > On 10/2/2026 11:57 AM, Krzysztof Kozlowski wrote: >> On Thu, Oct 01, 2026 at 01:11:26AM +0530, Beleswar Padhi wrote: >>> The $nodename pattern for TI-SCI controllers mandates specifying a unit >>> address, which in turn requires a 'reg' property. This 'reg' is only >>> used to describe an optional memory-mapped debug-messages region. >>> >>> Some controllers may not implement this debug region, so it has no 'reg' >> Which ones? > > > TDA54 PDM System Controller. I will add this in the commit message > in patch revision. There is no such: git grep -i TDA54 Please organize your patches correctly. This change makes no sense alone. > >> >>> and unit address. Therefore, relax the $nodename pattern to allow the >>> unit address to be omitted for such controllers. Keep the unit address >>> mandatory for the existing ti,k2g-sci and ti,am654-sci controllers. >>> >>> Signed-off-by: Beleswar Padhi >>> --- >>> Note: This patch is independent can be applied directly. >>> >>> Cc: Nishanth Menon >>> Cc: Tero Kristo >>> Cc: Santosh Shilimkar >>> Cc: Rob Herring >>> Cc: Krzysztof Kozlowski >>> Cc: Conor Dooley >>> Cc: linux-arm-kernel@lists.infradead.org >>> Cc: devicetree@vger.kernel.org >>> Cc: linux-kernel@vger.kernel.org >>> >>> .../devicetree/bindings/arm/keystone/ti,sci.yaml | 15 ++++++++++++++- >>> 1 file changed, 14 insertions(+), 1 deletion(-) >>> >>> diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml >>> index 25a2b42105e54..67acce8a559a1 100644 >>> --- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml >>> +++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml >>> @@ -30,7 +30,7 @@ description: | >>> >>> properties: >>> $nodename: >>> - pattern: "^system-controller@[0-9a-f]+$" >>> + pattern: "^system-controller(@[0-9a-f]+)?$" >>> >>> compatible: >>> oneOf: >>> @@ -84,6 +84,19 @@ required: >>> - mbox-names >>> - mboxes >>> >>> +allOf: >>> + - if: >>> + properties: >>> + compatible: >>> + contains: >>> + enum: >>> + - ti,k2g-sci >>> + - ti,am654-sci >>> + then: >>> + properties: >>> + $nodename: >>> + pattern: "^system-controller@[0-9a-f]+$" >> Drop, not worth complexity. > > > Why? We want to make sure dt_binding_check catches system controller > nodes which have a debug region but omit the unit address. As explained many times, individual device schemas are not supposed to enforce names. Best regards, Krzysztof