From patchwork Thu Mar 11 10:23:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 1451051 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Dx4nD0Kd4z9sWb for ; Thu, 11 Mar 2021 21:24:32 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232283AbhCKKX7 (ORCPT ); Thu, 11 Mar 2021 05:23:59 -0500 Received: from mail-lj1-f180.google.com ([209.85.208.180]:34316 "EHLO mail-lj1-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232344AbhCKKXl (ORCPT ); Thu, 11 Mar 2021 05:23:41 -0500 Received: by mail-lj1-f180.google.com with SMTP id f16so1442771ljm.1; Thu, 11 Mar 2021 02:23:40 -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=3Dm5yOtVQTwxG6HM9ZGBXFFw4LTttf3R02OO0T8urqg=; b=kEPjv6nPfe39lUcgvK7eDka260sTihhHTxdwH+ta+B+VOVTam5/YCZ1QRTI+tIlyba NhTOWvL+Zi5FU1+1/VujQHScRccOcBApF/IIJKjil0cZ8hEdrLPOSxlwA2P0I6expEoy /HYRKZr5c6Wm8wTZImY/eNMKRDeKGPx5HFQlQHRbLXxIvwwG4eAXhpWL96fbPvJVyj5i E4CGybQoNEmZV/XBkL2Df/KMCR7O8vkV3VBNTp96zt2VjET4RqH9BzvxaxBrEsG+VDgx 1wxLKDHJ0Tk37/WVPaUO0FAowVrZzqXwZ8IUbOCYQJYo+WgZHKr6gILd9jbXUfGsbB6M OKTQ== X-Gm-Message-State: AOAM532QUMGShCkRN3w7h7cQ07v/gzOpYwc9k7Me4V6qnp7OrSfW8eYH R5yOSJ0wKW8cOO41w8Kb66Y= X-Google-Smtp-Source: ABdhPJyMJ9N/J0lvp9CUuLdRI/gubn7qmao5bLoBReXHaKvWhd2uChvKHYgH4IxrzBnUmKlC9d2K0A== X-Received: by 2002:a2e:161e:: with SMTP id w30mr4286671ljd.182.1615458220040; Thu, 11 Mar 2021 02:23:40 -0800 (PST) Received: from localhost.localdomain (dc7vkhyyyyyyyyyyyyycy-3.rev.dnainternet.fi. [2001:14ba:16e2:8300::4]) by smtp.gmail.com with ESMTPSA id x1sm700121lff.97.2021.03.11.02.23.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Mar 2021 02:23:39 -0800 (PST) Date: Thu, 11 Mar 2021 12:23:33 +0200 From: Matti Vaittinen To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.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 v3 5/7] dt-bindings: regulator: bd9576 add FET ON-resistance for OCW Message-ID: <6793280eb1a3376a1aa4d408a8931202050c828d.1615454845.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: devicetree@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 --- v3: - no changes v2: - use standard micro-ohms suffix .../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