From patchwork Tue Feb 21 21:26:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eddie James X-Patchwork-Id: 13148426 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 9436EC64ED6 for ; Tue, 21 Feb 2023 21:26:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229498AbjBUV0r (ORCPT ); Tue, 21 Feb 2023 16:26:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57916 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229739AbjBUV0q (ORCPT ); Tue, 21 Feb 2023 16:26:46 -0500 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF7312E830; Tue, 21 Feb 2023 13:26:45 -0800 (PST) Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 31LLHOs9016319; Tue, 21 Feb 2023 21:26:31 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=kX3Vl11fgpbcRT2Yp+QxdfAbvT5CTTbsQ0eGJvC1rnw=; b=kBuwO5Fh3n0Vh/+ltapVI4SzWoZwAZXDRqE0hd7EKO+gTdRWCerCczGKY1ZlOFfskcpe MSpM1tnCuvPDCnY+AXHehfEqekKc9ONr74dVAyXJ4vHeJl3vFCvVA7wMz5bJp5wR+H81 frLxbgHRcKIj7azrSFgqqaLnelnVRJ3EUwFy7u7ZReuVD1IsXDb3JO7PM3ZFaNND7/bk 8cvs9wxBBYX2zFZYuv6pgKy5g6BK02zzakWcjiuTHZ6CV2s3Mt2nWIjrxgiI2+Ldxcjv 3oFYh6XjBppzSUt0QgDdYmEvXhc0qiG+lXHlZJ6Zdz9153jrI+09Un639Y2u3w6VOS7d XQ== Received: from ppma02wdc.us.ibm.com (aa.5b.37a9.ip4.static.sl-reverse.com [169.55.91.170]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3nw5ngra04-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Feb 2023 21:26:31 +0000 Received: from pps.filterd (ppma02wdc.us.ibm.com [127.0.0.1]) by ppma02wdc.us.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 31LHoPrH016291; Tue, 21 Feb 2023 21:26:30 GMT Received: from smtprelay03.wdc07v.mail.ibm.com ([9.208.129.113]) by ppma02wdc.us.ibm.com (PPS) with ESMTPS id 3ntpa7cvdq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Feb 2023 21:26:30 +0000 Received: from smtpav02.wdc07v.mail.ibm.com (smtpav02.wdc07v.mail.ibm.com [10.39.53.229]) by smtprelay03.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 31LLQToA5374546 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 21 Feb 2023 21:26:29 GMT Received: from smtpav02.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0C49758059; Tue, 21 Feb 2023 21:26:29 +0000 (GMT) Received: from smtpav02.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3062758058; Tue, 21 Feb 2023 21:26:27 +0000 (GMT) Received: from slate16.aus.stglabs.ibm.com (unknown [9.65.223.120]) by smtpav02.wdc07v.mail.ibm.com (Postfix) with ESMTP; Tue, 21 Feb 2023 21:26:27 +0000 (GMT) From: Eddie James To: linux-fsi@lists.ozlabs.org Cc: rostedt@goodmis.org, linux-trace-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, mhiramat@kernel.org, alistair@popple.id.au, joel@jms.id.au, jk@ozlabs.org, andrew@aj.id.au, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, eajames@linux.ibm.com Subject: [PATCH v5 2/6] dt-bindings: fsi: Document the IBM I2C Responder virtual FSI master Date: Tue, 21 Feb 2023 15:26:18 -0600 Message-Id: <20230221212622.3897097-3-eajames@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230221212622.3897097-1-eajames@linux.ibm.com> References: <20230221212622.3897097-1-eajames@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: u5hwisiqOr9pdrpO0dc1676o-PZKdTTy X-Proofpoint-ORIG-GUID: u5hwisiqOr9pdrpO0dc1676o-PZKdTTy 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:17.11.170.22 definitions=2023-02-21_12,2023-02-20_02,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1015 priorityscore=1501 spamscore=0 mlxscore=0 phishscore=0 bulkscore=0 lowpriorityscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302210182 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 Reviewed-by: Andrew Jeffery Reviewed-by: Krzysztof Kozlowski --- .../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..442cecdc57cb --- /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 +--- +$id: http://devicetree.org/schemas/fsi/ibm,i2cr-fsi-master.yaml# +$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>; + }; + };