1 # SPDX-License-Identifier: GPL-2.0-only OR BSD 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/power/suppl 4 $id: http://devicetree.org/schemas/power/supply/maxim,max77693.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Maxim MAX77693 MicroUSB and Companion P 7 title: Maxim MAX77693 MicroUSB and Companion Power Management IC Charger
8 8
9 maintainers: 9 maintainers:
10 - Krzysztof Kozlowski <krzk@kernel.org> 10 - Krzysztof Kozlowski <krzk@kernel.org>
11 11
12 description: | 12 description: |
13 This is a part of device tree bindings for M 13 This is a part of device tree bindings for Maxim MAX77693 MicroUSB Integrated
14 Circuit (MUIC). 14 Circuit (MUIC).
15 15
16 See also Documentation/devicetree/bindings/m 16 See also Documentation/devicetree/bindings/mfd/maxim,max77693.yaml for
17 additional information and example. 17 additional information and example.
18 18
19 properties: 19 properties:
20 compatible: 20 compatible:
21 const: maxim,max77693-charger 21 const: maxim,max77693-charger
22 22
23 maxim,constant-microvolt: 23 maxim,constant-microvolt:
24 description: | 24 description: |
25 Battery constant voltage in uV. The char 25 Battery constant voltage in uV. The charger will operate in fast
26 charge constant current mode till batter 26 charge constant current mode till battery voltage reaches this level.
27 Then the charger will switch to fast cha 27 Then the charger will switch to fast charge constant voltage mode.
28 Also vsys (system voltage) will be set t 28 Also vsys (system voltage) will be set to this value when DC power is
29 supplied but charger is not enabled. 29 supplied but charger is not enabled.
30 Valid values: 3650000 - 4400000, step by 30 Valid values: 3650000 - 4400000, step by 25000 (rounded down)
31 minimum: 3650000 31 minimum: 3650000
32 maximum: 4400000 32 maximum: 4400000
33 default: 4200000 33 default: 4200000
34 34
35 maxim,min-system-microvolt: 35 maxim,min-system-microvolt:
36 description: | 36 description: |
37 Minimal system voltage in uV. 37 Minimal system voltage in uV.
38 enum: [3000000, 3100000, 3200000, 3300000, 38 enum: [3000000, 3100000, 3200000, 3300000, 3400000, 3500000,
39 3600000, 3700000] 39 3600000, 3700000]
40 default: 3600000 40 default: 3600000
41 41
42 maxim,thermal-regulation-celsius: 42 maxim,thermal-regulation-celsius:
43 description: | 43 description: |
44 Temperature in Celsius for entering high 44 Temperature in Celsius for entering high temperature charging mode.
45 If die temperature exceeds this value th 45 If die temperature exceeds this value the charging current will be
46 reduced by 105 mA/Celsius. 46 reduced by 105 mA/Celsius.
47 enum: [70, 85, 100, 115] 47 enum: [70, 85, 100, 115]
48 default: 100 48 default: 100
49 49
50 maxim,battery-overcurrent-microamp: 50 maxim,battery-overcurrent-microamp:
51 description: | 51 description: |
52 Overcurrent protection threshold in uA ( 52 Overcurrent protection threshold in uA (current from battery to
53 system). 53 system).
54 Valid values: 2000000 - 3500000, step by 54 Valid values: 2000000 - 3500000, step by 250000 (rounded down)
55 minimum: 2000000 55 minimum: 2000000
56 maximum: 3500000 56 maximum: 3500000
57 default: 3500000 57 default: 3500000
58 58
59 maxim,charge-input-threshold-microvolt: 59 maxim,charge-input-threshold-microvolt:
60 description: | 60 description: |
61 Threshold voltage in uV for triggering i 61 Threshold voltage in uV for triggering input voltage regulation loop.
62 If input voltage decreases below this va 62 If input voltage decreases below this value, the input current will
63 be reduced to reach the threshold voltag 63 be reduced to reach the threshold voltage.
64 enum: [4300000, 4700000, 4800000, 4900000] 64 enum: [4300000, 4700000, 4800000, 4900000]
65 default: 4300000 65 default: 4300000
66 66
67 required: 67 required:
68 - compatible 68 - compatible
69 69
70 additionalProperties: false 70 additionalProperties: false
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