Message ID | 20221209013309.407879-2-jk@codeconstruct.com.au |
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State | New |
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[2620:137:e000::1:20]) by mx.google.com with ESMTP id h17-20020a05640250d100b00468b9d932c6si292413edb.258.2022.12.08.17.55.45; Thu, 08 Dec 2022 17:56:08 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@codeconstruct.com.au header.s=2022a header.b=RYi4g9RZ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=codeconstruct.com.au Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229910AbiLIBdh (ORCPT <rfc822;foxyelen666@gmail.com> + 99 others); Thu, 8 Dec 2022 20:33:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229631AbiLIBd3 (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Thu, 8 Dec 2022 20:33:29 -0500 Received: from codeconstruct.com.au (pi.codeconstruct.com.au [203.29.241.158]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E8DA786F70; Thu, 8 Dec 2022 17:33:27 -0800 (PST) Received: by codeconstruct.com.au (Postfix, from userid 10000) id 2F05820203; Fri, 9 Dec 2022 09:33:22 +0800 (AWST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=codeconstruct.com.au; s=2022a; t=1670549602; bh=oPERloVDACX37C/EgAVnKfvFY7AD1n20mfLsVbn2Wrk=; h=From:To:Subject:Date:In-Reply-To:References; b=RYi4g9RZnovzNqtlqDppYdmbhj54VvJ45Ob+87b7qqkRac2SGPF2fdEdy0P/VIOMz 5voE2Ph0fkIW13xnZRqIuF4ttPSxDKyzaYdvsILAcn2z0DqyTchIYRH4R91EYhHlJO srxdMZ9uOWKE41VYCRG0TJ93KwzcSvWQE0y8CygNN4H+xroQ9eYrea6dgUf51smhxC MFdheASfsQgaq5+6qNoj7pf8WAdmHD0fX6o6GxgvXotcvN146zECF1ThOQUUjLyNqE e/QbO0TeOoSm1/rR9KMFGcIh1yN264fJ5EU3HVT5LfmKETXMrSTpY8aKAquWpyfh07 F3FS5qgViMFmw== From: Jeremy Kerr <jk@codeconstruct.com.au> To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Lee Jones <lee@kernel.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Arnd Bergmann <arnd@arndb.de>, Philipp Zabel <p.zabel@pengutronix.de>, Mark Brown <broonie@kernel.org> Subject: [RFC PATCH v2 1/3] dt-bindings: mfd/syscon: Add resets property Date: Fri, 9 Dec 2022 09:33:07 +0800 Message-Id: <20221209013309.407879-2-jk@codeconstruct.com.au> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221209013309.407879-1-jk@codeconstruct.com.au> References: <20221209013309.407879-1-jk@codeconstruct.com.au> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1751699652276769706?= X-GMAIL-MSGID: =?utf-8?q?1751699652276769706?= |
Series |
Add reset control for mfd syscon devices
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Commit Message
Jeremy Kerr
Dec. 9, 2022, 1:33 a.m. UTC
Simple syscon devices may require deassertion of a reset signal in order to access their register set. This change adds the `resets` property from reset.yaml#/properties/resets (referenced through core.yaml), specifying a maxItems of 1 for a single (optional) reset descriptor. This will allow a future change to the syscon driver to implement reset control. Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au> Acked-by: Rob Herring <robh@kernel.org> --- Documentation/devicetree/bindings/mfd/syscon.yaml | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml index 4e4baf53796d..9dc5984d9147 100644 --- a/Documentation/devicetree/bindings/mfd/syscon.yaml +++ b/Documentation/devicetree/bindings/mfd/syscon.yaml @@ -86,6 +86,9 @@ properties: on the device. enum: [1, 2, 4, 8] + resets: + maxItems: 1 + hwlocks: maxItems: 1 description: