1 # SPDX-License-Identifier: (GPL-2.0-only OR BS !! 1 # SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
2 # Copyright (C) 2020 Texas Instruments Incorpo 2 # Copyright (C) 2020 Texas Instruments Incorporated
3 %YAML 1.2 3 %YAML 1.2
4 --- 4 ---
5 $id: http://devicetree.org/schemas/power/suppl !! 5 $id: "http://devicetree.org/schemas/power/supply/bq256xx.yaml#"
6 $schema: http://devicetree.org/meta-schemas/co !! 6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
7 7
8 title: TI bq256xx Switch Mode Buck Charger 8 title: TI bq256xx Switch Mode Buck Charger
9 9
10 maintainers: 10 maintainers:
11 - Andrew Davis <afd@ti.com> !! 11 - Ricardo Rivera-Matos <r-rivera-matos@ti.com>
12 12
13 description: | 13 description: |
14 The bq256xx devices are a family of highly-i 14 The bq256xx devices are a family of highly-integrated battery charge
15 management and system power management ICs f 15 management and system power management ICs for single cell Li-ion and Li-
16 polymer batteries. 16 polymer batteries.
17 17
18 Datasheets: 18 Datasheets:
19 - https://www.ti.com/lit/ds/symlink/bq2560 19 - https://www.ti.com/lit/ds/symlink/bq25600.pdf
20 - https://www.ti.com/lit/ds/symlink/bq2560 20 - https://www.ti.com/lit/ds/symlink/bq25601.pdf
21 - https://www.ti.com/lit/ds/symlink/bq2560 21 - https://www.ti.com/lit/ds/symlink/bq25600d.pdf
22 - https://www.ti.com/lit/ds/symlink/bq2560 22 - https://www.ti.com/lit/ds/symlink/bq25601d.pdf
23 - https://www.ti.com/lit/ds/symlink/bq2561 23 - https://www.ti.com/lit/ds/symlink/bq25611d.pdf
24 - https://www.ti.com/lit/ds/symlink/bq2561 24 - https://www.ti.com/lit/ds/symlink/bq25618.pdf
25 - https://www.ti.com/lit/ds/symlink/bq2561 25 - https://www.ti.com/lit/ds/symlink/bq25619.pdf
26 26
27 properties: 27 properties:
28 compatible: 28 compatible:
29 enum: 29 enum:
30 - ti,bq25600 30 - ti,bq25600
31 - ti,bq25601 31 - ti,bq25601
32 - ti,bq25600d 32 - ti,bq25600d
33 - ti,bq25601d 33 - ti,bq25601d
34 - ti,bq25611d 34 - ti,bq25611d
35 - ti,bq25618 35 - ti,bq25618
36 - ti,bq25619 36 - ti,bq25619
37 37
38 reg: 38 reg:
39 maxItems: 1 39 maxItems: 1
40 40
41 ti,watchdog-timeout-ms: 41 ti,watchdog-timeout-ms:
>> 42 $ref: /schemas/types.yaml#/definitions/uint32
42 default: 0 43 default: 0
43 description: | 44 description: |
44 Watchdog timer in ms. 0 (default) disabl 45 Watchdog timer in ms. 0 (default) disables the watchdog
45 minimum: 0 46 minimum: 0
46 maximum: 160000 47 maximum: 160000
47 enum: [ 0, 40000, 80000, 160000] 48 enum: [ 0, 40000, 80000, 160000]
48 49
49 input-voltage-limit-microvolt: 50 input-voltage-limit-microvolt:
50 description: | 51 description: |
51 Minimum input voltage limit in µV with 52 Minimum input voltage limit in µV with a 100000 µV step
52 minimum: 3900000 53 minimum: 3900000
53 maximum: 5400000 54 maximum: 5400000
54 55
55 input-current-limit-microamp: 56 input-current-limit-microamp:
56 description: | 57 description: |
57 Maximum input current limit in µA with 58 Maximum input current limit in µA with a 100000 µA step
58 minimum: 100000 59 minimum: 100000
59 maximum: 3200000 60 maximum: 3200000
60 61
61 monitored-battery: 62 monitored-battery:
62 $ref: /schemas/types.yaml#/definitions/pha 63 $ref: /schemas/types.yaml#/definitions/phandle
63 description: phandle to the battery node b 64 description: phandle to the battery node being monitored
64 65
65 interrupts: 66 interrupts:
66 maxItems: 1 67 maxItems: 1
67 description: | 68 description: |
68 Interrupt sends an active low, 256 μs p 69 Interrupt sends an active low, 256 μs pulse to host to report the charger
69 device status and faults. 70 device status and faults.
70 71
71 ti,no-thermistor: <<
72 type: boolean <<
73 description: Indicates that no thermistor <<
74 <<
75 required: 72 required:
76 - compatible 73 - compatible
77 - reg 74 - reg
78 - monitored-battery 75 - monitored-battery
79 <<
80 allOf: <<
81 - if: <<
82 properties: <<
83 compatible: <<
84 contains: <<
85 enum: <<
86 - ti,bq25600 <<
87 - ti,bq25601 <<
88 - ti,bq25600d <<
89 - ti,bq25601d <<
90 then: <<
91 properties: <<
92 ti,no-thermistor: false <<
93 76
94 additionalProperties: false 77 additionalProperties: false
95 78
96 examples: 79 examples:
97 - | 80 - |
98 bat: battery { 81 bat: battery {
99 compatible = "simple-battery"; 82 compatible = "simple-battery";
100 constant-charge-current-max-microamp = < 83 constant-charge-current-max-microamp = <2040000>;
101 constant-charge-voltage-max-microvolt = 84 constant-charge-voltage-max-microvolt = <4352000>;
102 precharge-current-microamp = <180000>; 85 precharge-current-microamp = <180000>;
103 charge-term-current-microamp = <180000>; 86 charge-term-current-microamp = <180000>;
104 }; 87 };
105 #include <dt-bindings/gpio/gpio.h> 88 #include <dt-bindings/gpio/gpio.h>
106 #include <dt-bindings/interrupt-controller 89 #include <dt-bindings/interrupt-controller/irq.h>
107 i2c { 90 i2c {
108 91
109 clock-frequency = <400000>; 92 clock-frequency = <400000>;
110 93
111 #address-cells = <1>; 94 #address-cells = <1>;
112 #size-cells = <0>; 95 #size-cells = <0>;
113 96
114 charger@6b { 97 charger@6b {
115 compatible = "ti,bq25601"; 98 compatible = "ti,bq25601";
116 reg = <0x6b>; 99 reg = <0x6b>;
117 monitored-battery = <&bat>; 100 monitored-battery = <&bat>;
118 101
119 interrupt-parent = <&gpio1>; 102 interrupt-parent = <&gpio1>;
120 interrupts = <16 IRQ_TYPE_EDGE_FALLING 103 interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
121 ti,watchdog-timeout-ms = <40000>; 104 ti,watchdog-timeout-ms = <40000>;
122 105
123 input-voltage-limit-microvolt = <45000 106 input-voltage-limit-microvolt = <4500000>;
124 input-current-limit-microamp = <240000 107 input-current-limit-microamp = <2400000>;
125 }; 108 };
126 }; 109 };
127 ... 110 ...
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