1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2# Copyright 2024 NXP 3%YAML 1.2 4--- 5$id: http://devicetree.org/schemas/firmware/nxp,imx95-scmi.yaml# 6$schema: http://devicetree.org/meta-schemas/core.yaml# 7 8title: i.MX95 System Control and Management Interface(SCMI) Vendor Protocols Extension 9 10maintainers: 11 - Peng Fan <peng.fan@nxp.com> 12 13properties: 14 protocol@80: 15 description: 16 SCMI LMM protocol which is for boot, shutdown, and reset of other logical 17 machines (LM). It is usually used to allow one LM to manage another used 18 as an offload or accelerator engine. 19 $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node' 20 unevaluatedProperties: false 21 22 properties: 23 reg: 24 const: 0x80 25 26 protocol@81: 27 type: object 28 allOf: 29 - $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node' 30 - $ref: /schemas/input/input.yaml# 31 additionalProperties: false 32 33 properties: 34 reg: 35 const: 0x81 36 37 linux,code: 38 default: 116 # KEY_POWER 39 40 protocol@82: 41 description: 42 SCMI CPU Protocol which allows an agent to start or stop a CPU. It is 43 used to manage auxiliary CPUs in a LM. 44 $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node' 45 unevaluatedProperties: false 46 47 properties: 48 reg: 49 const: 0x82 50 51 protocol@84: 52 $ref: '/schemas/firmware/arm,scmi.yaml#/$defs/protocol-node' 53 unevaluatedProperties: false 54 55 properties: 56 reg: 57 const: 0x84 58 59 nxp,ctrl-ids: 60 description: 61 Each entry consists of 2 integers, represents the ctrl id and the value 62 items: 63 items: 64 - description: the ctrl id index 65 enum: [0, 1, 2, 3, 4, 5, 6, 7, 0x8000, 0x8001, 0x8002, 0x8003, 66 0x8004, 0x8005, 0x8006, 0x8007] 67 - description: the value assigned to the ctrl id 68 minItems: 1 69 maxItems: 16 70 $ref: /schemas/types.yaml#/definitions/uint32-matrix 71 72additionalProperties: true 73