From patchwork Mon Sep 2 17:52:03 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Murphy X-Patchwork-Id: 13787572 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 6D7D2CA0ED3 for ; Mon, 2 Sep 2024 17:59:34 +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: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LPCt1Abydz0Rwg1kPPgJQchqVujmIJfyG75IwSgmP78=; b=ZKlhIzvC97oTQGXEEQUepsDneG ZNIbpje75w1pe82nUUUTb7voPhinz4goGJs2ikvoRiBsLiqg9/jHHZPQEEfmFmndBOL+9XdawGTI3 LXkbkVU9MfuYJyBeKwoERrVTYzUycxcnmX5LGVBZl+KhdfAKQllnqTpoPKpFNWAHy2bfrY4CrzGjI o1x8keIOsJEqc9MBgbPMp5pX/q86wn+aB7J7HQS4E4gyiJmNpm1LVqDCXy6d0itITg4y3Dn5e26+x 1v5VVe9gA0IOKFWB+up+3TaZosxznYHJIKKx2EmAILXr1rVtMJJwNcOJv9mmUhuAvX+7mjYfGr0UK ZLYCBxpg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1slBKn-0000000FDID-0t6O; Mon, 02 Sep 2024 17:59:25 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1slBDw-0000000FBxP-1W14 for linux-arm-kernel@lists.infradead.org; Mon, 02 Sep 2024 17:52:21 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 6F10BFEC; Mon, 2 Sep 2024 10:52:46 -0700 (PDT) Received: from e121345-lin.cambridge.arm.com (e121345-lin.cambridge.arm.com [10.1.196.40]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 24F023F73B; Mon, 2 Sep 2024 10:52:19 -0700 (PDT) From: Robin Murphy To: will@kernel.org Cc: mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, ilkka@os.amperecomputing.com, devicetree@vger.kernel.org, Rob Herring Subject: [PATCH v2 7/8] dt-bindings: perf: arm-cmn: Add CMN S3 Date: Mon, 2 Sep 2024 18:52:03 +0100 Message-Id: <2150e87f33284ba55cf6594def018a02bcf809fe.1725296395.git.robin.murphy@arm.com> X-Mailer: git-send-email 2.39.2.101.g768bb238c484.dirty In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240902_105220_464676_302175A8 X-CRM114-Status: GOOD ( 10.45 ) 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 The CMN S3 PMU is functionally still very similar to CMN-700, however while the register contents are compatible, many of them are moved to different offsets. While this is technically discoverable by a careful driver that understands the part number in the peripheral ID registers (which do at least remain in the same place), a new unique compatible seems warranted to avoid any surprises. CC: Acked-by: Rob Herring (Arm) Signed-off-by: Robin Murphy --- Documentation/devicetree/bindings/perf/arm,cmn.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/perf/arm,cmn.yaml b/Documentation/devicetree/bindings/perf/arm,cmn.yaml index 2e51072e794a..0e9d665584e6 100644 --- a/Documentation/devicetree/bindings/perf/arm,cmn.yaml +++ b/Documentation/devicetree/bindings/perf/arm,cmn.yaml @@ -16,6 +16,7 @@ properties: - arm,cmn-600 - arm,cmn-650 - arm,cmn-700 + - arm,cmn-s3 - arm,ci-700 reg: