From patchwork Thu Jan 19 17:47:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eddie James X-Patchwork-Id: 644326 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 49BC3C004D4 for ; Thu, 19 Jan 2023 17:47:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229972AbjASRrm (ORCPT ); Thu, 19 Jan 2023 12:47:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54658 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229812AbjASRri (ORCPT ); Thu, 19 Jan 2023 12:47:38 -0500 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 835CE7EC9; Thu, 19 Jan 2023 09:47:36 -0800 (PST) Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30JHg8hq030400; Thu, 19 Jan 2023 17:47:24 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=pICDYX54VCEgJSugsPl6E3o1CDpdaCfGGQde7pquyb4=; b=jjd8Xp9Afw4Vnd7EttnPMkUqQCiojQuDvP6CnLLnC75o74yNRs0eD482clVCszneK2et 4JOG9BncTtXpnRxosSU2wbWMMPVgAUefioXBwJ668eTNwU3ovYxOWq3N2s7FcJLCv+WQ 2mzVqe9UqC4CdgrfAl9gdjt0/PBHkCikxVWltYmbH9YXgnlhlAk9mQDsvakzGrtZLFLq Kn/CKiEwLyoF3nDXjPKSnwtJxQin/zwntD72YI9gvSqXUePKfeZuMDpu36foO6QbW7if yDqbaqpTB+DZ2NKe7Wl3Bt1EYRd7jDEhLwjtalewmhE0TehLnjc2N6hlkXPAf3YyIoM6 RQ== Received: from ppma01dal.us.ibm.com (83.d6.3fa9.ip4.static.sl-reverse.com [169.63.214.131]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3n7afx84jy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 19 Jan 2023 17:47:24 +0000 Received: from pps.filterd (ppma01dal.us.ibm.com [127.0.0.1]) by ppma01dal.us.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 30JGvFWq009728; Thu, 19 Jan 2023 17:47:23 GMT Received: from smtprelay06.wdc07v.mail.ibm.com ([9.208.129.118]) by ppma01dal.us.ibm.com (PPS) with ESMTPS id 3n3m186utk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 19 Jan 2023 17:47:23 +0000 Received: from smtpav03.dal12v.mail.ibm.com (smtpav03.dal12v.mail.ibm.com [10.241.53.102]) by smtprelay06.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 30JHlLci61342136 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 19 Jan 2023 17:47:22 GMT Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A0ABE5805A; Thu, 19 Jan 2023 17:47:21 +0000 (GMT) Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 97D2F58056; Thu, 19 Jan 2023 17:47:20 +0000 (GMT) Received: from slate16.aus.stglabs.ibm.com (unknown [9.160.43.39]) by smtpav03.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 19 Jan 2023 17:47:20 +0000 (GMT) From: Eddie James To: linux-fsi@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, jk@ozlabs.org, joel@jms.id.au, alistair@popple.id.au, devicetree@vger.kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, Eddie James Subject: [PATCH 1/2] dt-bindings: fsi: Document the IBM I2C Responder virtual FSI master Date: Thu, 19 Jan 2023 11:47:13 -0600 Message-Id: <20230119174714.1486042-2-eajames@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230119174714.1486042-1-eajames@linux.ibm.com> References: <20230119174714.1486042-1-eajames@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: XNkVfpn2bwYIVhMNIm9Yf28LxvqOwBsk X-Proofpoint-GUID: XNkVfpn2bwYIVhMNIm9Yf28LxvqOwBsk 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=2023-01-19_11,2023-01-19_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 suspectscore=0 malwarescore=0 phishscore=0 mlxlogscore=999 spamscore=0 clxscore=1015 impostorscore=0 priorityscore=1501 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301190144 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The I2C Responder translates I2C commands to CFAM or SCOM operations, effectively implementing an FSI master. Signed-off-by: Eddie James --- .../devicetree/bindings/fsi/ibm,i2cr.yaml | 42 +++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 Documentation/devicetree/bindings/fsi/ibm,i2cr.yaml diff --git a/Documentation/devicetree/bindings/fsi/ibm,i2cr.yaml b/Documentation/devicetree/bindings/fsi/ibm,i2cr.yaml new file mode 100644 index 000000000000..929ca10988f9 --- /dev/null +++ b/Documentation/devicetree/bindings/fsi/ibm,i2cr.yaml @@ -0,0 +1,42 @@ +# 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: | + This binding describes an I2C device called the I2C Responder (I2CR). The + I2CR translates commands sent over I2C bus to FSI CFAM reads and writes or + SCOM operations. The CFAM access means that the I2CR can act as an FSI + master. + +properties: + compatible: + enum: + - ibm,i2cr + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + i2cr@20 { + compatible = "ibm,i2cr"; + reg = <0x20>; + }; + };