| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/rtc/isil,isl1208.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Intersil ISL1209/19 I2C RTC/Alarm chip with event in |
| 8 | |
| 9 | maintainers: |
| 10 | - Biju Das <biju.das.jz@bp.renesas.com> |
| 11 | - Trent Piepho <tpiepho@gmail.com> |
| 12 | |
| 13 | description: |
| 14 | ISL12X9 have additional pins EVIN and EVDET for tamper detection, while the |
| 15 | ISL1208 and ISL1218 do not. |
| 16 | |
| 17 | properties: |
| 18 | compatible: |
| 19 | enum: |
| 20 | - isil,isl1208 |
| 21 | - isil,isl1209 |
| 22 | - isil,isl1218 |
| 23 | - isil,isl1219 |
| 24 | |
| 25 | reg: |
| 26 | maxItems: 1 |
| 27 | |
| 28 | clocks: |
| 29 | maxItems: 1 |
| 30 | |
| 31 | clock-names: |
| 32 | description: | |
| 33 | Use xin, if connected to an external crystal. |
| 34 | Use clkin, if connected to an external clock signal. |
| 35 | enum: |
| 36 | - xin |
| 37 | - clkin |
| 38 | |
| 39 | interrupts: |
| 40 | minItems: 1 |
| 41 | maxItems: 2 |
| 42 | |
| 43 | interrupt-names: |
| 44 | minItems: 1 |
| 45 | items: |
| 46 | - const: irq |
| 47 | - const: evdet |
| 48 | |
| 49 | isil,ev-evienb: |
| 50 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 51 | enum: [ 0, 1 ] |
| 52 | description: | |
| 53 | Enable or disable internal pull on EVIN pin |
| 54 | Default will leave the non-volatile configuration of the pullup |
| 55 | as is. |
| 56 | <0> : Enables internal pull-up on evin pin |
| 57 | <1> : Disables internal pull-up on evin pin |
| 58 | |
| 59 | required: |
| 60 | - compatible |
| 61 | - reg |
| 62 | |
| 63 | allOf: |
| 64 | - $ref: rtc.yaml# |
| 65 | - if: |
| 66 | properties: |
| 67 | compatible: |
| 68 | contains: |
| 69 | enum: |
| 70 | - isil,isl1209 |
| 71 | - isil,isl1219 |
| 72 | then: |
| 73 | properties: |
| 74 | interrupts: |
| 75 | maxItems: 2 |
| 76 | interrupt-names: |
| 77 | items: |
| 78 | - const: irq |
| 79 | - const: evdet |
| 80 | else: |
| 81 | properties: |
| 82 | interrupts: |
| 83 | maxItems: 1 |
| 84 | interrupt-names: |
| 85 | items: |
| 86 | - const: irq |
| 87 | |
| 88 | unevaluatedProperties: false |
| 89 | |
| 90 | examples: |
| 91 | - | |
| 92 | i2c { |
| 93 | #address-cells = <1>; |
| 94 | #size-cells = <0>; |
| 95 | |
| 96 | rtc_twi: rtc@6f { |
| 97 | compatible = "isil,isl1208"; |
| 98 | reg = <0x6f>; |
| 99 | }; |
| 100 | }; |