From patchwork Wed Jan 25 22:54:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eddie James X-Patchwork-Id: 13116386 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7A21AC27C76 for ; Wed, 25 Jan 2023 22:54:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235861AbjAYWyl (ORCPT ); Wed, 25 Jan 2023 17:54:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234493AbjAYWyk (ORCPT ); Wed, 25 Jan 2023 17:54:40 -0500 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7185146D6B; Wed, 25 Jan 2023 14:54:39 -0800 (PST) Received: from pps.filterd (m0098396.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30PMq4Um009177; Wed, 25 Jan 2023 22:54:24 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : content-transfer-encoding : mime-version; s=pp1; bh=JGXQ6ZIgY9+wq8n00lHSkg0g8qdUPMuE2aJ0GSV82oE=; b=Da9MX4ISNVH+aRd6OaAaeHRdBWxd44iMGdCLft64jtdsrV+r9iqAfoRdNsIh/tnxtOMa BnooW/k0xrG6uS4DyhnUigiNwjQn9IsR403o5jStsL/oe9NaRzaHZ10ueuP5vwTePhCf pY3kojHwijBAbnGEgfkM7DUFvhfCHOb3Al5KcBOuurjAweoJpkImomJFDLJisFhMZ8Ru WnJ9Y+hMeLFBFcuNW7KeBgZOUIkYA3gQWSNOptbXaenH25b8+sFnI8DQ1myIFAcms0xK Q23gkgfJqj8QoqaPTOLVwbF0L0cRmicBr0nGfCmRj93jupsN5MA9crXZy/qRFniUI4NM BA== Received: from ppma04dal.us.ibm.com (7a.29.35a9.ip4.static.sl-reverse.com [169.53.41.122]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3nbdke02px-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 25 Jan 2023 22:54:24 +0000 Received: from pps.filterd (ppma04dal.us.ibm.com [127.0.0.1]) by ppma04dal.us.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 30PJqIJp019885; Wed, 25 Jan 2023 22:54:22 GMT Received: from smtprelay06.wdc07v.mail.ibm.com ([9.208.129.118]) by ppma04dal.us.ibm.com (PPS) with ESMTPS id 3n87p7gvwa-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 25 Jan 2023 22:54:22 +0000 Received: from smtpav01.wdc07v.mail.ibm.com (smtpav01.wdc07v.mail.ibm.com [10.39.53.228]) by smtprelay06.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 30PMsLCn6357746 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 25 Jan 2023 22:54:21 GMT Received: from smtpav01.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3B0D958065; Wed, 25 Jan 2023 22:54:21 +0000 (GMT) Received: from smtpav01.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 64CF35804B; Wed, 25 Jan 2023 22:54:19 +0000 (GMT) Received: from slate16.aus.stglabs.ibm.com (unknown [9.77.150.21]) by smtpav01.wdc07v.mail.ibm.com (Postfix) with ESMTP; Wed, 25 Jan 2023 22:54:19 +0000 (GMT) From: Eddie James To: linux-fsi@lists.ozlabs.org Cc: linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org, mhiramat@kernel.org, rostedt@goodmis.org, alistair@popple.id.au, joel@jms.id.au, jk@ozlabs.org, andrew@aj.id.au, devicetree@vger.kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, eajames@linux.ibm.com Subject: [PATCH v2 1/2] dt-bindings: fsi: Document the IBM I2C Responder virtual FSI master Date: Wed, 25 Jan 2023 16:54:15 -0600 Message-Id: <20230125225416.4074040-2-eajames@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230125225416.4074040-1-eajames@linux.ibm.com> References: <20230125225416.4074040-1-eajames@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: kSOOYgWDy8O8nncf1lF0VFBXtiL_klMa X-Proofpoint-ORIG-GUID: kSOOYgWDy8O8nncf1lF0VFBXtiL_klMa X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-25_13,2023-01-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 mlxscore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 bulkscore=0 phishscore=0 suspectscore=0 malwarescore=0 clxscore=1015 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301250200 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org The I2C Responder translates I2C commands to CFAM or SCOM operations, effectively implementing an FSI master. Signed-off-by: Eddie James --- .../bindings/fsi/ibm,i2cr-fsi-master.yaml | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/fsi/ibm,i2cr-fsi-master.yaml diff --git a/Documentation/devicetree/bindings/fsi/ibm,i2cr-fsi-master.yaml b/Documentation/devicetree/bindings/fsi/ibm,i2cr-fsi-master.yaml new file mode 100644 index 000000000000..fa768e773adc --- /dev/null +++ b/Documentation/devicetree/bindings/fsi/ibm,i2cr-fsi-master.yaml @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/fsi/ibm,i2cr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: IBM I2C Responder virtual FSI master + +maintainers: + - Eddie James + +description: | + The I2C Responder (I2CR) is a an I2C device that's connected to an FSI CFAM + (see fsi.txt). The I2CR translates I2C bus operations to FSI CFAM reads and + writes or SCOM operations, thereby acting as an FSI master. + +properties: + compatible: + enum: + - ibm,i2cr-fsi-master + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + i2cr@20 { + compatible = "ibm,i2cr-fsi-master"; + reg = <0x20>; + }; + };