1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/leds/maxim,max77693.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Maxim MAX77693 MicroUSB and Companion Power Management IC LEDs 8 9maintainers: 10 - Krzysztof Kozlowski <krzk@kernel.org> 11 12description: | 13 This is a part of device tree bindings for Maxim MAX77693 MicroUSB Integrated 14 Circuit (MUIC). 15 16 There are two LED outputs available - FLED1 and FLED2. Each of them can 17 control a separate LED or they can be connected together to double the 18 maximum current for a single connected LED. One LED is represented by one 19 child node. 20 21 See also Documentation/devicetree/bindings/mfd/maxim,max77693.yaml for 22 additional information and example. 23 24properties: 25 compatible: 26 const: maxim,max77693-led 27 28 maxim,boost-mode: 29 description: 30 In boost mode the device can produce up to 1.2A of total current on both 31 outputs. The maximum current on each output is reduced to 625mA then. If 32 not enabled explicitly, boost setting defaults to LEDS_BOOST_FIXED in 33 case both current sources are used. 34 See LEDS_BOOST_* in include/dt-bindings/leds/common.h. 35 $ref: /schemas/types.yaml#/definitions/uint32 36 enum: [0, 1, 2] 37 38 maxim,boost-mvout: 39 description: | 40 Output voltage of the boost module in millivolts. 41 Valid values: 3300 - 5500, step by 25 (rounded down) 42 $ref: /schemas/types.yaml#/definitions/uint32 43 minimum: 3300 44 maximum: 5500 45 default: 3300 46 47 maxim,mvsys-min: 48 description: | 49 Low input voltage level in millivolts. Flash is not fired if chip 50 estimates that system voltage could drop below this level due to flash 51 power consumption. 52 Valid values: 2400 - 3400, step by 33 (rounded down) 53 $ref: /schemas/types.yaml#/definitions/uint32 54 minimum: 2400 55 maximum: 3400 56 default: 2400 57 58patternProperties: 59 "^([a-z]+-)?led[01]?$": 60 type: object 61 $ref: common.yaml# 62 unevaluatedProperties: false 63 64 properties: 65 led-sources: 66 allOf: 67 - minItems: 1 68 maxItems: 2 69 items: 70 minimum: 0 71 maximum: 1 72 73 led-max-microamp: 74 description: | 75 Valid values for a LED connected to one FLED output: 76 15625 - 250000, step by 15625 (rounded down) 77 Valid values for a LED connected to both FLED outputs: 78 15625 - 500000, step by 15625 (rounded down) 79 80 flash-max-microamp: 81 description: | 82 Valid values for a single LED connected to one FLED output 83 (boost mode must be turned off): 84 15625 - 1000000, step by 15625 (rounded down) 85 Valid values for a single LED connected to both FLED outputs: 86 15625 - 1250000, step by 15625 (rounded down) 87 Valid values for two LEDs case: 88 15625 - 625000, step by 15625 (rounded down) 89 90 flash-max-timeout-us: 91 description: | 92 Valid values: 62500 - 1000000, step by 62500 (rounded down) 93 minimum: 62500 94 maximum: 1000000 95 96 required: 97 - flash-max-microamp 98 - flash-max-timeout-us 99 - led-max-microamp 100 - led-sources 101 102required: 103 - compatible 104 105additionalProperties: false 106