From patchwork Tue Aug 13 18:07:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 13762385 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 2D9D3C52D7B for ; Tue, 13 Aug 2024 18:08:43 +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=CKiLeSxiPKb+c4OuH2sGsEgD436HsXsECHIlMZksYmE=; b=t5H8IAupB8VgSL1uBkfuS8EBFk mSZT08PQEGuxXeodrmAZSi49Q/06+5Y4DkZSDZ7+A3acqbJnAlYXIn5Kk/X3qkaj3IUwqhYO/Mwl6 cS9lF1ZP+NlNtNA//Vs6pRMkpz1YqkkxDE+LAQXN9Vha1XMakSJUAu4JV+U44+3jfMQL/Yvo4mgJh zRBbAH+PBEKTGF4AzIUWkhbuff8CG+9CXfBiX7P0EklKCjISLqcbjEQL+e8agZGih69LemeSVzuov pVQc7ocgcjqBQxjBn52sUkG0z1FHxwH3W7vEfxhmpNArglBr+tWut5NwPSLHlpJD1ozMworoLKmB3 NioSH5Ug==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sdvwf-00000004aaE-1atI; Tue, 13 Aug 2024 18:08:33 +0000 Received: from relay.smtp-ext.broadcom.com ([192.19.144.205]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sdvw1-00000004aSE-3Qjh for linux-arm-kernel@lists.infradead.org; Tue, 13 Aug 2024 18:07:55 +0000 Received: from mail-lvn-it-01.lvn.broadcom.net (mail-lvn-it-01.lvn.broadcom.net [10.36.132.253]) by relay.smtp-ext.broadcom.com (Postfix) with ESMTP id 616FBC0005DD; Tue, 13 Aug 2024 11:07:49 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 relay.smtp-ext.broadcom.com 616FBC0005DD DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1723572469; bh=9BIdf0YiiFMdtFV3lo9SS3avpdpx6tLGyTXuFzlePBo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YOabHKjs4rpnUovqW7RNUmp7sXOYYK1hrVcBVqUvyt6C7E450j8Axfqi+rzOC9U0G 8LFYkf9OoNijkVbBXxIjzaM2v4gDRrTsUwapYzgTSckD9c1MPlBZ8CKXCVrnIFznyd AdLCDNbsQq2UUQs3AxPJGdrYn2Be+7p9lbApZA4o= Received: from stbirv-lnx-1.igp.broadcom.net (stbirv-lnx-1.igp.broadcom.net [10.67.48.32]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail-lvn-it-01.lvn.broadcom.net (Postfix) with ESMTPSA id 8C17E18041CAC6; Tue, 13 Aug 2024 11:07:46 -0700 (PDT) From: Florian Fainelli To: linux-kernel@vger.kernel.org Cc: Florian Fainelli , Krzysztof Kozlowski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sudeep Holla , Cristian Marussi , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), arm-scmi@vger.kernel.org (open list:SYSTEM CONTROL & POWER/MANAGEMENT INTERFACE), linux-arm-kernel@lists.infradead.org (moderated list:SYSTEM CONTROL & POWER/MANAGEMENT INTERFACE), justin.chen@broadcom.com, opendmb@gmail.com, kapil.hali@broadcom.com, bcm-kernel-feedback-list@broadcom.com Subject: [PATCH v2 1/2] dt-bindings: sram: Document reg-io-width property Date: Tue, 13 Aug 2024 11:07:46 -0700 Message-Id: <20240813180747.1439034-2-florian.fainelli@broadcom.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240813180747.1439034-1-florian.fainelli@broadcom.com> References: <20240813180747.1439034-1-florian.fainelli@broadcom.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240813_110753_994060_256212A6 X-CRM114-Status: GOOD ( 11.85 ) 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 Some SRAMs need to be accessed with a specific access width, define the 'reg-io-width' property specifying such access sizes. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Florian Fainelli --- Documentation/devicetree/bindings/sram/sram.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/sram/sram.yaml b/Documentation/devicetree/bindings/sram/sram.yaml index 0922d1f71ba8..48257e1b5be9 100644 --- a/Documentation/devicetree/bindings/sram/sram.yaml +++ b/Documentation/devicetree/bindings/sram/sram.yaml @@ -101,6 +101,12 @@ patternProperties: IO mem address range, relative to the SRAM range. maxItems: 1 + reg-io-width: + description: + The size (in bytes) of the IO accesses that should be performed on the + SRAM. + enum: [1, 2, 4, 8] + pool: description: Indicates that the particular reserved SRAM area is addressable