From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-6.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 38FE67D08E for ; Fri, 21 Dec 2018 14:48:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403921AbeLUOsA (ORCPT ); Fri, 21 Dec 2018 09:48:00 -0500 Received: from mail-wr1-f66.google.com ([209.85.221.66]:37327 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403965AbeLUOsA (ORCPT ); Fri, 21 Dec 2018 09:48:00 -0500 Received: by mail-wr1-f66.google.com with SMTP id s12so5527160wrt.4 for ; Fri, 21 Dec 2018 06:47:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=jBvUjJGmLfm+76HsCp+hk+XimqnVcVgnpBrUs8HKzik=; b=N5wVGd5unGUPunNqOJWBfU7s0/2sbkd5lxQfx7kHu26fkXv3PhHVou/h2SLimkHw5N gjL4dP0OIyex+2UYyOv7AddxRPk1BOb1s75Bm9Ac7i7TN35+0gR12SeygFctQTY0SgF8 eMvvbH+lwjnUFIhPpCX/0nUWP326xDUjv1tEo= 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:content-transfer-encoding :in-reply-to:user-agent; bh=jBvUjJGmLfm+76HsCp+hk+XimqnVcVgnpBrUs8HKzik=; b=Tvww22eyKFHhubqx7flStV05bU/bvrC4qbnP1ZQUm2GEZF959pb2OYzMHJb8TBErAx w4Zn/ugP+sWz3/FrBh3cAh8guNUN/iadVK7K+unahQR02GIcBzS8qTMghBvLm48HqxB4 5fljNam/v7JEZjYOWtYlP4PHXX7q1zIoFcC/qlEBDudjA8HD9bVasNvdN91OzIf06lhj 8LRNdI8z8VuVj+jXc10BVvl+z4ulauUFbq4/DDmrDwN17ln0NZ8QlNJwM4CruOTSbD31 L4AbIpsAr18wVVNBK4CZbg+ldptJrwU5S09oCNVezIah9sBTVi+0LkTslIWB9F779lTE JmcQ== X-Gm-Message-State: AJcUukcvjS7iMFvwz8Wuv2c/ACc39ZfyL74wy2RjrbR//vg1ErCKZDEi U70KZtkQx8tUHIlu41G5+C0DoA== X-Google-Smtp-Source: ALg8bN62lQiGh2WHQCq3RwdChhlNhRozCoVNM+FxJygdzB0zlp1EbeJrTzxeJJhVpqK6jrKo0p/QcA== X-Received: by 2002:a5d:6152:: with SMTP id y18mr3073432wrt.141.1545403677092; Fri, 21 Dec 2018 06:47:57 -0800 (PST) Received: from dell ([95.149.164.119]) by smtp.gmail.com with ESMTPSA id f18sm8925747wrs.92.2018.12.21.06.47.55 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 21 Dec 2018 06:47:56 -0800 (PST) Date: Fri, 21 Dec 2018 14:47:54 +0000 From: Lee Jones To: Jae Hyun Yoo Cc: Rob Herring , Jean Delvare , Guenter Roeck , Mark Rutland , Joel Stanley , Andrew Jeffery , Jonathan Corbet , Greg Kroah-Hartman , Gustavo Pimentel , Kishon Vijay Abraham I , Lorenzo Pieralisi , "Darrick J . Wong" , Eric Sandeen , Arnd Bergmann , Wu Hao , Tomohiro Kusumi , "Bryant G . Ly" , Frederic Barrat , "David S . Miller" , Mauro Carvalho Chehab , Andrew Morton , Randy Dunlap , Philippe Ombredanne , Vinod Koul , Stephen Boyd , David Kershner , Uwe Kleine-Konig , Sagar Dharia , Johan Hovold , Thomas Gleixner , Juergen Gross , Cyrille Pitchen , linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, openbmc@lists.ozlabs.org, James Feist , Jason M Biils , Vernon Mauery Subject: Re: [PATCH v9 07/12] dt-bindings: mfd: Add a document for PECI client MFD Message-ID: <20181221144754.GS13248@dell> References: <20181218210417.30140-1-jae.hyun.yoo@linux.intel.com> <20181218210417.30140-8-jae.hyun.yoo@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20181218210417.30140-8-jae.hyun.yoo@linux.intel.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Tue, 18 Dec 2018, Jae Hyun Yoo wrote: > This commit adds a dt-bindings document for PECI client MFD. > > Cc: Lee Jones > Cc: Rob Herring > Cc: Mark Rutland > Cc: Andrew Jeffery > Cc: James Feist > Cc: Jason M Biils > Cc: Joel Stanley > Cc: Vernon Mauery > Signed-off-by: Jae Hyun Yoo > Reviewed-by: Rob Herring > --- > .../bindings/mfd/intel-peci-client.txt | 34 +++++++++++++++++++ > 1 file changed, 34 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/intel-peci-client.txt > > diff --git a/Documentation/devicetree/bindings/mfd/intel-peci-client.txt b/Documentation/devicetree/bindings/mfd/intel-peci-client.txt > new file mode 100644 > index 000000000000..5d1d5d0a552f > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/intel-peci-client.txt > @@ -0,0 +1,34 @@ > +* Intel PECI client bindings > + > +PECI (Platform Environment Control Interface) is a one-wire bus interface that > +provides a communication channel from PECI clients in Intel processors and > +chipset components to external monitoring or control devices. PECI is designed > +to support the following sideband functions: > + > +- Processor and DRAM thermal management > +- Platform Manageability > +- Processor Interface Tuning and Diagnostics > +- Failure Analysis > + > +Required properties: > +- compatible : Should be "intel,peci-client". > +- reg : Should contain address of a client CPU. According to the PECI > + specification, client addresses start from 0x30. > + > +Example: > + peci-bus@0 { > + compatible = "vendor,soc-peci"; > + reg = <0x0 0x1000>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + peci-client@30 { > + compatible = "intel,peci-client"; > + reg = <0x30>; > + }; > + > + peci-client@31 { > + compatible = "intel,peci-client"; > + reg = <0x31>; > + }; The PECI Client driver (masquerading as an MFD driver in this set) doesn't actually do anything special. Instead of detailing it here, register the child devices directly instead. -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog