From patchwork Wed Dec 11 19:46:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jae Hyun Yoo X-Patchwork-Id: 11286209 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 00A1F14BD for ; Wed, 11 Dec 2019 19:47:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DBE2021556 for ; Wed, 11 Dec 2019 19:47:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728958AbfLKTqn (ORCPT ); Wed, 11 Dec 2019 14:46:43 -0500 Received: from mga06.intel.com ([134.134.136.31]:17658 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728730AbfLKTqn (ORCPT ); Wed, 11 Dec 2019 14:46:43 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Dec 2019 11:46:42 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,303,1571727600"; d="scan'208";a="216033873" Received: from yoojae-mobl1.amr.corp.intel.com (HELO ubuntu.jf.intel.com) ([10.7.153.143]) by orsmga003.jf.intel.com with ESMTP; 11 Dec 2019 11:46:42 -0800 From: Jae Hyun Yoo To: Rob Herring , Greg Kroah-Hartman , Lee Jones , Jean Delvare , Guenter Roeck , Mark Rutland , Joel Stanley , Andrew Jeffery , Jonathan Corbet , 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 , Tomer Maimon Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, openbmc@lists.ozlabs.org, Jae Hyun Yoo , James Feist , Jason M Biils , Vernon Mauery Subject: [PATCH v11 10/14] dt-bindings: mfd: Add Intel PECI client bindings document Date: Wed, 11 Dec 2019 11:46:20 -0800 Message-Id: <20191211194624.2872-11-jae.hyun.yoo@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191211194624.2872-1-jae.hyun.yoo@linux.intel.com> References: <20191211194624.2872-1-jae.hyun.yoo@linux.intel.com> Sender: linux-hwmon-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org This commit adds Intel PECI client bindings document. 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 --- Changes since v10: - Changed documents format to DT schema format so I dropped all review tags. Please review it again. .../bindings/mfd/intel,peci-client.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/intel,peci-client.yaml diff --git a/Documentation/devicetree/bindings/mfd/intel,peci-client.yaml b/Documentation/devicetree/bindings/mfd/intel,peci-client.yaml new file mode 100644 index 000000000000..7baddce0a92c --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/intel,peci-client.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/intel,peci-client.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Intel PECI Client Device Tree Bindings + +maintainers: + - Jae Hyun Yoo + +description: | + 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 + +properties: + compatible: + const: intel,peci-client + + reg: + description: | + Address of a client CPU. According to the PECI specification, client + addresses start from 0x30. + maxItems: 1 + +required: + - compatible + - reg + +examples: + - | + #include + #include + peci: bus@1e78b000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x1e78b000 0x60>; + + peci0: peci-bus@0 { + compatible = "aspeed,ast2600-peci"; + reg = <0x0 0x100>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = ; + clocks = <&syscon ASPEED_CLK_GATE_REF0CLK>; + resets = <&syscon ASPEED_RESET_PECI>; + clock-frequency = <24000000>; + + peci-client@30 { + compatible = "intel,peci-client"; + reg = <0x30>; + }; + + peci-client@31 { + compatible = "intel,peci-client"; + reg = <0x31>; + }; + }; + }; +...