From patchwork Wed Mar 10 13:09:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Vaittinen, Matti" X-Patchwork-Id: 12128067 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,URIBL_BLOCKED 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 127DEC433DB for ; Wed, 10 Mar 2021 13:10:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CF81D64FC8 for ; Wed, 10 Mar 2021 13:10:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232750AbhCJNKF (ORCPT ); Wed, 10 Mar 2021 08:10:05 -0500 Received: from mail-lf1-f47.google.com ([209.85.167.47]:44182 "EHLO mail-lf1-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232815AbhCJNJe (ORCPT ); Wed, 10 Mar 2021 08:09:34 -0500 Received: by mail-lf1-f47.google.com with SMTP id p21so33288567lfu.11; Wed, 10 Mar 2021 05:09:33 -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=bf+v8v6mu/hLqpY/xWd3Ek+dsa2dTE4nd540kWu2j5c=; b=XRxLQk7PspS2kPjxpiLKYCLVP/qKwC4k0oyZorjA1jV26v8mcsU9q2Wi3IHbk+RDJH n8y1WDkfpV3/PIPduBXpz3mLnrRQScmLLrJ0e5pGN7lslVTj59kY48VOzZ0SmPANRaie mwya5zLicOlrLJl7zoirb//oHbQockUaZ8GQgAjUyhI1dBUsB5NAuXXZ+sMJyJbhN9xc dHZgBJ0aXZjZAI8IyV214zDWLZenm2Wa4AxfyzVdAsVX3XkqC4ZhojROnt7OXAdTcihh x/zEZlKtu2J3zrCFk4tLci6Oqk/skrSkw1AN4//mcLnMZahDl4dRb8a7x5cNYEThxHzG LBHw== X-Gm-Message-State: AOAM530O2YoGO+I67Kdi4BBzFihcYwDPxzLuEBgaor8XKjwpwxTBYJ13 QzpVinIWc9EchPOv5OsJgXM= X-Google-Smtp-Source: ABdhPJxXF59JJoGHGJagijMcMqFlIKTHk6tUObWKR6SsLJFNFu0aEZxcHbnO9kL7EbGy/Ps9qQnMwA== X-Received: by 2002:ac2:5e27:: with SMTP id o7mr1953504lfg.371.1615381773116; Wed, 10 Mar 2021 05:09:33 -0800 (PST) Received: from localhost.localdomain (dc7vkhyyyyyyyyyyyyycy-3.rev.dnainternet.fi. [2001:14ba:16e2:8300::4]) by smtp.gmail.com with ESMTPSA id t142sm2864882lff.255.2021.03.10.05.09.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Mar 2021 05:09:32 -0800 (PST) Date: Wed, 10 Mar 2021 15:09:26 +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 Subject: [RFC PATCH v2 5/7] dt-bindings: regulator: bd9576 add FET ON-resistance for OCW Message-ID: <2ad797a4948a4580e0726c14d139e751d228b804.1615367099.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@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..9c119c1b1904 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-micro-ohms: + description: External FET's ON-resistance. Required if VoutS1 OCP/OCW is + to be set. + required: - regulator-name