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Thu, 2 Feb 2023 19:19:28 +0000 (GMT) From: Eddie James To: linux-fsi@lists.ozlabs.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 X-BeenThere: linux-fsi@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, alistair@popple.id.au, linux-kernel@vger.kernel.org, rostedt@goodmis.org, robh+dt@kernel.org, mhiramat@kernel.org, krzysztof.kozlowski+dt@linaro.org, linux-trace-kernel@vger.kernel.org Errors-To: linux-fsi-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "linux-fsi" 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>; + }; + };