From patchwork Thu Feb 11 12:35:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Vaittinen, Matti" X-Patchwork-Id: 12083147 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10091C433DB for ; Thu, 11 Feb 2021 12:41:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BCDFB64E08 for ; Thu, 11 Feb 2021 12:41:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231258AbhBKMk6 (ORCPT ); Thu, 11 Feb 2021 07:40:58 -0500 Received: from mail-lf1-f42.google.com ([209.85.167.42]:43524 "EHLO mail-lf1-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229845AbhBKMge (ORCPT ); Thu, 11 Feb 2021 07:36:34 -0500 Received: by mail-lf1-f42.google.com with SMTP id d3so7811776lfg.10; Thu, 11 Feb 2021 04:36:13 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=NPjb16F/Enmos5BdXGztjXZs5CJCxN0wXp5AiXsE5FM=; b=LzCWrBu9qKDT9oP5u0Ie+I/kjjHSYbZy/kH69OcFuEasyWp6sqmGsZQLtOfYVZlfJZ Kxf9bLiFz+/+sqgP/069dEzl2cK0ncpyAj34dHNBUcHIEl0TAp0ZD/6EUdD6pAzDTAIz YNx1Kc5+DIjALiO3Ynj6kq18zEM0I7GiDXBeM/pVZSalD/x0+g7Ai7OIcoX44dSGQkkp iLZLVcIbdtuEDlVljRotceLUlemTagWcpDuaLvQxmJCy7zI19gGBmiOgcWYVIpPKDHNM nTrNiiUSjJXxevKrNs7RXw0M4L1pnYKyBIO4AbppSrdupAfspIGZM+r662m9EeolBWbG c+HA== X-Gm-Message-State: AOAM532dMZPQswrG9gQXCA67UmKFbuOlnXMpBRnQw1DVbV1hZzLLKWxG 7Aadl6NDRKl3NYcTJkAtolk= X-Google-Smtp-Source: ABdhPJxVGoucB8e6O/MTgeLno0yiF8jwESSuhPBRk1yyBvH/FQ2fgNm+QBMHaXjHOGowJ3UNODC7vA== X-Received: by 2002:ac2:5df1:: with SMTP id z17mr4107208lfq.124.1613046948259; Thu, 11 Feb 2021 04:35:48 -0800 (PST) Received: from localhost.localdomain (62-78-225-252.bb.dnainternet.fi. [62.78.225.252]) by smtp.gmail.com with ESMTPSA id n7sm631989lfu.123.2021.02.11.04.35.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Feb 2021 04:35:47 -0800 (PST) Date: Thu, 11 Feb 2021 14:35:41 +0200 From: Matti Vaittinen To: mazziesaccount@gmail.com, matti.vaittinen@fi.rohmeurope.com Cc: Liam Girdwood , Mark Brown , Rob Herring , Matti Vaittinen , Andy Gross , Bjorn Andersson , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-power@fi.rohmeurope.com, linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [RFC PATCH 5/7] dt-bindings: regulator: bd9576 add FET ON-resistance for OCW Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org BD9576MUF provides over-current protection and detection. Current is measured as voltage loss over external FET. Allow specifying FET's on resistance so current monitoring limits can be converted to voltages. Signed-off-by: Matti Vaittinen --- .../devicetree/bindings/regulator/rohm,bd9576-regulator.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/rohm,bd9576-regulator.yaml b/Documentation/devicetree/bindings/regulator/rohm,bd9576-regulator.yaml index b6515a0cee62..ad3f57e9cd9b 100644 --- a/Documentation/devicetree/bindings/regulator/rohm,bd9576-regulator.yaml +++ b/Documentation/devicetree/bindings/regulator/rohm,bd9576-regulator.yaml @@ -27,6 +27,11 @@ patternProperties: Properties for single regulator. $ref: "regulator.yaml#" + properties: + rohm,ocw-fet-ron-milliohms: + description: External FET's ON-resistance. Required if VoutS1 OCP/OCW is + to be set. + required: - regulator-name