1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 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/rtc/isil,is 4 $id: http://devicetree.org/schemas/rtc/isil,isl1208.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Intersil ISL1209/19 I2C RTC/Alarm chip 7 title: Intersil ISL1209/19 I2C RTC/Alarm chip with event in
8 8
9 maintainers: 9 maintainers:
10 - Biju Das <biju.das.jz@bp.renesas.com> 10 - Biju Das <biju.das.jz@bp.renesas.com>
11 - Trent Piepho <tpiepho@gmail.com> 11 - Trent Piepho <tpiepho@gmail.com>
12 12
13 description: 13 description:
14 ISL12X9 have additional pins EVIN and EVDET 14 ISL12X9 have additional pins EVIN and EVDET for tamper detection, while the
15 ISL1208 and ISL1218 do not. 15 ISL1208 and ISL1218 do not.
16 16
17 properties: 17 properties:
18 compatible: 18 compatible:
19 enum: 19 enum:
20 - isil,isl1208 20 - isil,isl1208
21 - isil,isl1209 21 - isil,isl1209
22 - isil,isl1218 22 - isil,isl1218
23 - isil,isl1219 23 - isil,isl1219
24 24
25 reg: 25 reg:
26 maxItems: 1 26 maxItems: 1
27 27
28 clocks: 28 clocks:
29 maxItems: 1 29 maxItems: 1
30 30
31 clock-names: 31 clock-names:
32 description: | 32 description: |
33 Use xin, if connected to an external cry 33 Use xin, if connected to an external crystal.
34 Use clkin, if connected to an external c 34 Use clkin, if connected to an external clock signal.
35 enum: 35 enum:
36 - xin 36 - xin
37 - clkin 37 - clkin
38 38
39 interrupts: 39 interrupts:
40 minItems: 1 40 minItems: 1
41 maxItems: 2 41 maxItems: 2
42 42
43 interrupt-names: 43 interrupt-names:
44 minItems: 1 44 minItems: 1
45 items: 45 items:
46 - const: irq 46 - const: irq
47 - const: evdet 47 - const: evdet
48 48
49 isil,ev-evienb: 49 isil,ev-evienb:
50 $ref: /schemas/types.yaml#/definitions/uin 50 $ref: /schemas/types.yaml#/definitions/uint32
51 enum: [ 0, 1 ] 51 enum: [ 0, 1 ]
52 description: | 52 description: |
53 Enable or disable internal pull on EVIN 53 Enable or disable internal pull on EVIN pin
54 Default will leave the non-volatile conf 54 Default will leave the non-volatile configuration of the pullup
55 as is. 55 as is.
56 <0> : Enables internal pull-up on evin 56 <0> : Enables internal pull-up on evin pin
57 <1> : Disables internal pull-up on evi 57 <1> : Disables internal pull-up on evin pin
58 58
59 required: 59 required:
60 - compatible 60 - compatible
61 - reg 61 - reg
62 62
63 allOf: 63 allOf:
64 - $ref: rtc.yaml# 64 - $ref: rtc.yaml#
65 - if: 65 - if:
66 properties: 66 properties:
67 compatible: 67 compatible:
68 contains: 68 contains:
69 enum: 69 enum:
70 - isil,isl1209 70 - isil,isl1209
71 - isil,isl1219 71 - isil,isl1219
72 then: 72 then:
73 properties: 73 properties:
74 interrupts: 74 interrupts:
75 maxItems: 2 75 maxItems: 2
76 interrupt-names: 76 interrupt-names:
77 items: 77 items:
78 - const: irq 78 - const: irq
79 - const: evdet 79 - const: evdet
80 else: 80 else:
81 properties: 81 properties:
82 interrupts: 82 interrupts:
83 maxItems: 1 83 maxItems: 1
84 interrupt-names: 84 interrupt-names:
85 items: 85 items:
86 - const: irq 86 - const: irq
87 87
88 unevaluatedProperties: false 88 unevaluatedProperties: false
89 89
90 examples: 90 examples:
91 - | 91 - |
92 i2c { 92 i2c {
93 #address-cells = <1>; 93 #address-cells = <1>;
94 #size-cells = <0>; 94 #size-cells = <0>;
95 95
96 rtc_twi: rtc@6f { 96 rtc_twi: rtc@6f {
97 compatible = "isil,isl1208"; 97 compatible = "isil,isl1208";
98 reg = <0x6f>; 98 reg = <0x6f>;
99 }; 99 };
100 }; 100 };
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