spmi.yaml (1549B)
1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/spmi/spmi.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: System Power Management Interface (SPMI) Controller 8 9maintainers: 10 - Stephen Boyd <sboyd@kernel.org> 11 12description: | 13 The System Power Management (SPMI) controller is a 2-wire bus defined 14 by the MIPI Alliance for power management control to be used on SoC designs. 15 16 SPMI controllers are modelled in device tree using a generic set of 17 bindings defined here, plus any bus controller specific properties, if 18 needed. 19 20 Each SPMI controller has zero or more child nodes (up to 16 ones), each 21 one representing an unique slave at the bus. 22 23properties: 24 $nodename: 25 pattern: "^spmi@.*" 26 27 "#address-cells": 28 const: 2 29 30 "#size-cells": 31 const: 0 32 33patternProperties: 34 "@[0-9a-f]$": 35 description: up to 16 child PMIC nodes 36 type: object 37 38 properties: 39 reg: 40 items: 41 - minItems: 1 42 items: 43 - minimum: 0 44 maximum: 0xf 45 - enum: [ 0 ] 46 description: 47 0 means user ID address. 1 is reserved for group ID 48 address. 49 50 required: 51 - reg 52 53required: 54 - reg 55 56additionalProperties: true 57 58examples: 59 - | 60 #include <dt-bindings/spmi/spmi.h> 61 62 spmi@0 { 63 reg = <0 0>; 64 65 #address-cells = <2>; 66 #size-cells = <0>; 67 68 child@0 { 69 reg = <0 SPMI_USID>; 70 }; 71 72 child@7 { 73 reg = <7 SPMI_USID>; 74 }; 75 };