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Tue, 14 May 2024 20:54:57 +0000 Received: from smtpav02.wdc07v.mail.ibm.com (smtpav02.wdc07v.mail.ibm.com [10.39.53.229]) by smtprelay05.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 44EKst8W27263666 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 14 May 2024 20:54:57 GMT Received: from smtpav02.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E2E225805B; Tue, 14 May 2024 20:54:54 +0000 (GMT) Received: from smtpav02.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 64AAD5805F; Tue, 14 May 2024 20:54:54 +0000 (GMT) Received: from slate16.aus.stglabs.ibm.com (unknown [9.61.107.19]) by smtpav02.wdc07v.mail.ibm.com (Postfix) with ESMTP; Tue, 14 May 2024 20:54:54 +0000 (GMT) From: Eddie James To: linux-i2c@vger.kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, eajames@linux.ibm.com, conor+dt@kernel.org, krzk+dt@kernel.org, robh@kernel.org, andi.shyti@kernel.org Subject: [PATCH v5] dt-bindings: i2c: i2c-fsi: Convert to json-schema Date: Tue, 14 May 2024 15:54:54 -0500 Message-Id: <20240514205454.158157-1-eajames@linux.ibm.com> X-Mailer: git-send-email 2.39.3 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: nSJIpjoyYvuBLtxfgpRJnK3Hu1AQ36BK X-Proofpoint-ORIG-GUID: nSJIpjoyYvuBLtxfgpRJnK3Hu1AQ36BK X-Proofpoint-UnRewURL: 0 URL was un-rewritten Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-05-14_12,2024-05-14_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 suspectscore=0 phishscore=0 spamscore=0 clxscore=1015 mlxscore=0 bulkscore=0 impostorscore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2405010000 definitions=main-2405140150 Convert to json-schema for the FSI-attached I2C controller. Signed-off-by: Eddie James --- This patch was previously included in https://lore.kernel.org/all/20240429210131.373487-1-eajames@linux.ibm.com/ Changes since v4: - Add patternProperties for the busses that will reference the i2c-controller schema, since the root node provides multiple i2c busses. Changes since v3: - Update MAINTAINERS - Change commit message to match similar commits .../devicetree/bindings/i2c/i2c-fsi.txt | 40 ---------- .../devicetree/bindings/i2c/ibm,i2c-fsi.yaml | 76 +++++++++++++++++++ MAINTAINERS | 2 +- 3 files changed, 77 insertions(+), 41 deletions(-) delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-fsi.txt create mode 100644 Documentation/devicetree/bindings/i2c/ibm,i2c-fsi.yaml diff --git a/Documentation/devicetree/bindings/i2c/i2c-fsi.txt b/Documentation/devicetree/bindings/i2c/i2c-fsi.txt deleted file mode 100644 index b1be2ceb7e696..0000000000000 --- a/Documentation/devicetree/bindings/i2c/i2c-fsi.txt +++ /dev/null @@ -1,40 +0,0 @@ -Device-tree bindings for FSI-attached I2C master and busses ------------------------------------------------------------ - -Required properties: - - compatible = "ibm,i2c-fsi"; - - reg = < address size >; : The FSI CFAM address and address - space size. - - #address-cells = <1>; : Number of address cells in child - nodes. - - #size-cells = <0>; : Number of size cells in child nodes. - - child nodes : Nodes to describe busses off the I2C - master. - -Child node required properties: - - reg = < port number > : The port number on the I2C master. - -Child node optional properties: - - child nodes : Nodes to describe devices on the I2C - bus. - -Examples: - - i2c@1800 { - compatible = "ibm,i2c-fsi"; - reg = < 0x1800 0x400 >; - #address-cells = <1>; - #size-cells = <0>; - - i2c-bus@0 { - reg = <0>; - }; - - i2c-bus@1 { - reg = <1>; - - eeprom@50 { - compatible = "vendor,dev-name"; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/i2c/ibm,i2c-fsi.yaml b/Documentation/devicetree/bindings/i2c/ibm,i2c-fsi.yaml new file mode 100644 index 0000000000000..62e70aaea9d56 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/ibm,i2c-fsi.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/ibm,i2c-fsi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: IBM FSI-attached I2C controller + +maintainers: + - Eddie James + +description: + This I2C controller is an FSI CFAM engine, providing access to a number of + I2C busses. Therefore this node will always be a child of an FSI CFAM node. + +properties: + compatible: + enum: + - ibm,i2c-fsi + + reg: + items: + - description: FSI slave address + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^i2c(@.*)?": + type: object + properties: + reg: + maxItems: 1 + + required: + - reg + + allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + + unevaluatedProperties: false + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c@1800 { + compatible = "ibm,i2c-fsi"; + reg = <0x1800 0x400>; + #address-cells = <1>; + #size-cells = <0>; + + i2c-bus@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + }; + + i2c-bus@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + eeprom@50 { + compatible = "atmel,24c64"; + reg = <0x50>; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index b2df2cc60dc78..86c1c8dd86093 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8976,7 +8976,7 @@ M: Eddie James L: linux-i2c@vger.kernel.org L: openbmc@lists.ozlabs.org (moderated for non-subscribers) S: Maintained -F: Documentation/devicetree/bindings/i2c/i2c-fsi.txt +F: Documentation/devicetree/bindings/i2c/ibm,i2c-fsi.yaml F: drivers/i2c/busses/i2c-fsi.c FSI-ATTACHED SPI DRIVER