From patchwork Tue Apr 10 18:32:03 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jae Hyun Yoo X-Patchwork-Id: 10333625 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id BBC2E6053B for ; Tue, 10 Apr 2018 18:34:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A70E726D05 for ; Tue, 10 Apr 2018 18:34:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 96BFD27D0C; Tue, 10 Apr 2018 18:34:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 03C4926D05 for ; Tue, 10 Apr 2018 18:34:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=GiLYSxHTpz09fPkh96ZKVY4QbFrQ/IR8wQR4d3R1FOU=; b=qdYCTBXOHhXMKVmfLMsx555FhE GpUY96v4cAcZTyj9E8jZIVkD2M+B5DRigR2Vbt5+IpU3gWW4lJ2g4oiNyqPUIFb+ELNKfP6DtUqio p0QQSNz5UamBnitM2OsM8wTdlC1DCarrqyPZo9UlHwgtTyMVjXtejRa6rshuL8Bq1LUtAw7kJH3E0 mEOxk1Ytg4YUVZS2+oP1beDbS1SwlOusHQxnAfpU3gKjDFTxeux9chbdgg6GptMCap/oG1J5T6Y2+ kuW7nD5qZ8pbQQJ5kCL+IfCjZZi24AeTPKd10/uqYLf8FFL62tISAbkZ9b7sf61LELY28ZrFnlFFr XYDIuncw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1f5y6B-0001VB-Ao; Tue, 10 Apr 2018 18:34:31 +0000 Received: from mga05.intel.com ([192.55.52.43]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1f5y4e-0000dx-LK for linux-arm-kernel@lists.infradead.org; Tue, 10 Apr 2018 18:33:01 +0000 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Apr 2018 11:32:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,433,1517904000"; d="scan'208";a="219323705" Received: from maru.jf.intel.com ([10.54.51.80]) by fmsmga006.fm.intel.com with ESMTP; 10 Apr 2018 11:32:45 -0700 From: Jae Hyun Yoo To: Alan Cox , Andrew Jeffery , Andrew Lunn , Andy Shevchenko , Arnd Bergmann , Benjamin Herrenschmidt , Fengguang Wu , Greg KH , Guenter Roeck , Haiyue Wang , James Feist , Jason M Biils , Jean Delvare , Joel Stanley , Julia Cartwright , Miguel Ojeda , Milton Miller II , Pavel Machek , Randy Dunlap , Stef van Os , Sumeet R Pawnikar , Vernon Mauery Subject: [PATCH v3 01/10] Documentations: dt-bindings: Add documents of generic PECI bus, adapter and client drivers Date: Tue, 10 Apr 2018 11:32:03 -0700 Message-Id: <20180410183212.16787-2-jae.hyun.yoo@linux.intel.com> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180410183212.16787-1-jae.hyun.yoo@linux.intel.com> References: <20180410183212.16787-1-jae.hyun.yoo@linux.intel.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180410_113256_796901_40FC2B6E X-CRM114-Status: GOOD ( 13.73 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, Jae Hyun Yoo , linux-doc@vger.kernel.org, openbmc@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This commit adds documents of generic PECI bus, adapter and client drivers. Signed-off-by: Jae Hyun Yoo Reviewed-by: Haiyue Wang Reviewed-by: James Feist Reviewed-by: Vernon Mauery Cc: Alan Cox Cc: Andrew Jeffery Cc: Andrew Lunn Cc: Andy Shevchenko Cc: Arnd Bergmann Cc: Benjamin Herrenschmidt Cc: Fengguang Wu Cc: Greg KH Cc: Guenter Roeck Cc: Jason M Biils Cc: Jean Delvare Cc: Joel Stanley Cc: Julia Cartwright Cc: Miguel Ojeda Cc: Milton Miller II Cc: Pavel Machek Cc: Randy Dunlap Cc: Stef van Os Cc: Sumeet R Pawnikar --- .../devicetree/bindings/peci/peci-adapter.txt | 23 ++++++++++++++++++++ .../devicetree/bindings/peci/peci-bus.txt | 15 +++++++++++++ .../devicetree/bindings/peci/peci-client.txt | 25 ++++++++++++++++++++++ 3 files changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/peci/peci-adapter.txt create mode 100644 Documentation/devicetree/bindings/peci/peci-bus.txt create mode 100644 Documentation/devicetree/bindings/peci/peci-client.txt diff --git a/Documentation/devicetree/bindings/peci/peci-adapter.txt b/Documentation/devicetree/bindings/peci/peci-adapter.txt new file mode 100644 index 000000000000..9221374f6b11 --- /dev/null +++ b/Documentation/devicetree/bindings/peci/peci-adapter.txt @@ -0,0 +1,23 @@ +Generic device tree configuration for PECI adapters. + +Required properties: +- compatible : Should contain hardware specific definition strings that can + match an adapter driver implementation. +- reg : Should contain PECI controller registers location and length. +- #address-cells : Should be <1>. +- #size-cells : Should be <0>. + +Example: + peci: peci@10000000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x10000000 0x1000>; + + peci0: peci-bus@0 { + compatible = "soc,soc-peci"; + reg = <0x0 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + }; + }; diff --git a/Documentation/devicetree/bindings/peci/peci-bus.txt b/Documentation/devicetree/bindings/peci/peci-bus.txt new file mode 100644 index 000000000000..90bcc791ccb0 --- /dev/null +++ b/Documentation/devicetree/bindings/peci/peci-bus.txt @@ -0,0 +1,15 @@ +Generic device tree configuration for PECI buses. + +Required properties: +- compatible : Should be "simple-bus". +- #address-cells : Should be <1>. +- #size-cells : Should be <1>. +- ranges : Should contain PECI controller registers ranges. + +Example: + peci: peci@10000000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x10000000 0x1000>; + }; diff --git a/Documentation/devicetree/bindings/peci/peci-client.txt b/Documentation/devicetree/bindings/peci/peci-client.txt new file mode 100644 index 000000000000..8e2bfd8532f6 --- /dev/null +++ b/Documentation/devicetree/bindings/peci/peci-client.txt @@ -0,0 +1,25 @@ +Generic device tree configuration for PECI clients. + +Required properties: +- compatible : Should contain target device specific definition strings that can + match a client driver implementation. +- reg : Should contain address of a client CPU. Address range of CPU + clients is starting from 0x30 based on PECI specification. + <0x30> .. <0x37> (depends on the PECI_OFFSET_MAX definition) + +Example: + peci-bus@0 { + #address-cells = <1>; + #size-cells = <0>; + < more properties > + + function@cpu0 { + compatible = "device,function"; + reg = <0x30>; + }; + + function@cpu1 { + compatible = "device,function"; + reg = <0x31>; + }; + };