From patchwork Thu Feb 2 19:19:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eddie James X-Patchwork-Id: 13126687 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 12273C636D3 for ; Thu, 2 Feb 2023 19:19:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233082AbjBBTTy (ORCPT ); Thu, 2 Feb 2023 14:19:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50446 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233145AbjBBTTv (ORCPT ); Thu, 2 Feb 2023 14:19:51 -0500 Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 011836BBFF; Thu, 2 Feb 2023 11:19:49 -0800 (PST) Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 312IsEAC028074; Thu, 2 Feb 2023 19:19:32 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=a3DoR4H1AS/bFHkyZULZcC+t6OoU/c35RJPtywhHrTWYzDC1WRLgk7VRaRMj1V00iRmO X8bF6ajXwyysTur+nx34qS2suJyMsSHfkKwx4LP+Wser7zo0i0HLpusqu82QBU9RsavL qx6tQBzdzwfCpSqRhQgdFnzwbAW7ocaxr/to5eWQpXoMllewXHPmzobf1I842xy83ZTx roraD2NqJW5pvfWe3NvzESyNM75/S/0I+t9GUlkEK2tEC/1Yca+vuK3jGQP0C6ORwCHy l4SfIroUcbNfryBAnyMKfQVTjs1l3YzweepPS5rRruiE+BA7uLLXQb9BMn9nvHnlKrqV eg== Received: from ppma05wdc.us.ibm.com (1b.90.2fa9.ip4.static.sl-reverse.com [169.47.144.27]) by mx0b-001b2d01.pphosted.com (PPS) with ESMTPS id 3ngjv4rjrq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Feb 2023 19:19:32 +0000 Received: from pps.filterd (ppma05wdc.us.ibm.com [127.0.0.1]) by ppma05wdc.us.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 312J3mV4012321; Thu, 2 Feb 2023 19:19:31 GMT Received: from smtprelay03.wdc07v.mail.ibm.com ([9.208.129.113]) by ppma05wdc.us.ibm.com (PPS) with ESMTPS id 3ncvvdw2bf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Feb 2023 19:19:31 +0000 Received: from smtpav03.dal12v.mail.ibm.com (smtpav03.dal12v.mail.ibm.com [10.241.53.102]) by smtprelay03.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 312JJUP25178070 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Feb 2023 19:19:30 GMT Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 331DF58060; Thu, 2 Feb 2023 19:19:30 +0000 (GMT) Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C089F58056; Thu, 2 Feb 2023 19:19:28 +0000 (GMT) Received: from slate16.aus.stglabs.ibm.com (unknown [9.65.214.66]) by smtpav03.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Feb 2023 19:19:28 +0000 (GMT) From: Eddie James To: linux-fsi@lists.ozlabs.org Cc: linux-trace-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, mhiramat@kernel.org, rostedt@goodmis.org, eajames@linux.ibm.com, alistair@popple.id.au, joel@jms.id.au, jk@ozlabs.org, andrew@aj.id.au, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org Subject: [PATCH v4 1/2] dt-bindings: fsi: Document the IBM I2C Responder virtual FSI master Date: Thu, 2 Feb 2023 13:19:25 -0600 Message-Id: <20230202191926.133340-2-eajames@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230202191926.133340-1-eajames@linux.ibm.com> References: <20230202191926.133340-1-eajames@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: TJL-sY6SvSn5e75Mmg49z8MBADTXRp7x X-Proofpoint-GUID: TJL-sY6SvSn5e75Mmg49z8MBADTXRp7x 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=2023-02-02_13,2023-02-02_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 bulkscore=0 malwarescore=0 mlxlogscore=999 spamscore=0 clxscore=1015 phishscore=0 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302020171 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>; + }; + };