From patchwork Thu Jan 26 21:31:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eddie James X-Patchwork-Id: 13117816 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 36569C54EAA for ; Thu, 26 Jan 2023 21:31:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232979AbjAZVbs (ORCPT ); Thu, 26 Jan 2023 16:31:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53526 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229964AbjAZVbr (ORCPT ); Thu, 26 Jan 2023 16:31:47 -0500 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 689C2D520; Thu, 26 Jan 2023 13:31:46 -0800 (PST) Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30QLMTWv031328; Thu, 26 Jan 2023 21:31:28 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=1H1+b8FWI14SN/GJs2wObEIevnbBa8C9WpCufC2z/GM=; b=MZo9rKQN0Dmyx2SGCbjVofk/txouBAmYqUTAszNfA9T8/9EeOYm3vH9Tk11cbbPhIXvr YVahzdbNFLxr5qd1GjaTQaFergWGaYgrAW+3+JGaFH3sWwJ6NrzTgfwPMLJ8jekxJ+wZ hksYPxSnFR9+uX4M068KAWtvH7n7lnIngU2LT0G4UBFikMBOEKCfsqiEovhnJzwuLdaV CVXGU1+FYFsTQ695Zumv2fpN68dubCaQ5M0FsxUfEAsTbnLKxI7a9HRH3wiKiCUW2pqO 7+7ArAwUr1UwPypxeKFxU43Dfe9BW5z+6ENhai34DXApCPKK2Kx4KiphZj99RxcS81s3 VQ== Received: from ppma03wdc.us.ibm.com (ba.79.3fa9.ip4.static.sl-reverse.com [169.63.121.186]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3nc1cm05sh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 26 Jan 2023 21:31:28 +0000 Received: from pps.filterd (ppma03wdc.us.ibm.com [127.0.0.1]) by ppma03wdc.us.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 30QJq32A006849; Thu, 26 Jan 2023 21:31:27 GMT Received: from smtprelay01.wdc07v.mail.ibm.com ([9.208.129.119]) by ppma03wdc.us.ibm.com (PPS) with ESMTPS id 3n87p7qbjt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 26 Jan 2023 21:31:27 +0000 Received: from smtpav06.dal12v.mail.ibm.com (smtpav06.dal12v.mail.ibm.com [10.241.53.105]) by smtprelay01.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 30QLVQa430671280 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 26 Jan 2023 21:31:26 GMT Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 89DC558043; Thu, 26 Jan 2023 21:31:26 +0000 (GMT) Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 304F058059; Thu, 26 Jan 2023 21:31:25 +0000 (GMT) Received: from slate16.aus.stglabs.ibm.com (unknown [9.160.3.213]) by smtpav06.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 26 Jan 2023 21:31:25 +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 v3 1/2] dt-bindings: fsi: Document the IBM I2C Responder virtual FSI master Date: Thu, 26 Jan 2023 15:31:22 -0600 Message-Id: <20230126213123.884125-2-eajames@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230126213123.884125-1-eajames@linux.ibm.com> References: <20230126213123.884125-1-eajames@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: HMBziLVKuzpB70olzR9J-3dHiRj6PBWs X-Proofpoint-GUID: HMBziLVKuzpB70olzR9J-3dHiRj6PBWs 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=2023-01-26_09,2023-01-26_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 suspectscore=0 priorityscore=1501 malwarescore=0 mlxlogscore=999 clxscore=1015 phishscore=0 spamscore=0 lowpriorityscore=0 impostorscore=0 mlxscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301260198 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>; + }; + };