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Mon, 29 Apr 2024 21:01:37 +0000 (GMT) From: Eddie James To: linux-aspeed@lists.ozlabs.org Subject: [PATCH v4 06/17] dt-bindings: fsi: Document the FSI controller common properties Date: Mon, 29 Apr 2024 16:01:20 -0500 Message-Id: <20240429210131.373487-7-eajames@linux.ibm.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20240429210131.373487-1-eajames@linux.ibm.com> References: <20240429210131.373487-1-eajames@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: Oh3joq_-j6frQsoUDGD4K8g1UnjUhdDA X-Proofpoint-GUID: Oh3joq_-j6frQsoUDGD4K8g1UnjUhdDA X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-04-29_18,2024-04-29_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 malwarescore=0 mlxlogscore=999 priorityscore=1501 lowpriorityscore=0 mlxscore=0 bulkscore=0 phishscore=0 suspectscore=0 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2404010000 definitions=main-2404290138 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, conor+dt@kernel.org, andi.shyti@kernel.org, robh@kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, linux-i2c@vger.kernel.org, lakshmiy@us.ibm.com, krzk+dt@kernel.org, andrew@codeconstruct.com.au, linux-fsi@lists.ozlabs.org Errors-To: linux-fsi-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "linux-fsi" Since there are multiple FSI controllers documented, the common properties should be documented separately and then referenced from the specific controller documentation. Signed-off-by: Eddie James --- Changes since v3: - Add chip-id description - Use a real compatible - Re-order example properties .../bindings/fsi/fsi-controller.yaml | 66 +++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 Documentation/devicetree/bindings/fsi/fsi-controller.yaml diff --git a/Documentation/devicetree/bindings/fsi/fsi-controller.yaml b/Documentation/devicetree/bindings/fsi/fsi-controller.yaml new file mode 100644 index 000000000000..fd624181c030 --- /dev/null +++ b/Documentation/devicetree/bindings/fsi/fsi-controller.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/fsi/fsi-controller.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: FSI Controller Common Properties + +maintainers: + - Eddie James + +description: + FSI (FRU (Field Replaceable Unit) Service Interface) is a two wire bus. The + FSI bus is connected to a CFAM (Common FRU Access Macro) which contains + various engines such as I2C controllers, SPI controllers, etc. + +properties: + "#address-cells": + const: 2 + + "#size-cells": + const: 0 + + no-scan-on-init: + $ref: /schemas/types.yaml#/definitions/flag + description: + The FSI controller cannot scan the bus during initialization. + +patternProperties: + "cfam@[0-9a-f],[0-9a-f]": + type: object + properties: + chip-id: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Processor index + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + required: + - reg + + additionalProperties: true + +additionalProperties: true + +examples: + - | + fsi { + #address-cells = <2>; + #size-cells = <0>; + + cfam@0,0 { + reg = <0 0>; + #address-cells = <1>; + #size-cells = <1>; + chip-id = <0>; + }; + };