| 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/ingenic,rtc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Ingenic SoCs Real-Time Clock |
| 8 | |
| 9 | maintainers: |
| 10 | - Paul Cercueil <paul@crapouillou.net> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: rtc.yaml# |
| 14 | - if: |
| 15 | not: |
| 16 | properties: |
| 17 | compatible: |
| 18 | contains: |
| 19 | enum: |
| 20 | - ingenic,jz4770-rtc |
| 21 | - ingenic,jz4780-rtc |
| 22 | then: |
| 23 | properties: |
| 24 | "#clock-cells": false |
| 25 | |
| 26 | properties: |
| 27 | compatible: |
| 28 | oneOf: |
| 29 | - enum: |
| 30 | - ingenic,jz4740-rtc |
| 31 | - ingenic,jz4760-rtc |
| 32 | - items: |
| 33 | - const: ingenic,jz4725b-rtc |
| 34 | - const: ingenic,jz4740-rtc |
| 35 | - items: |
| 36 | - enum: |
| 37 | - ingenic,jz4770-rtc |
| 38 | - ingenic,jz4780-rtc |
| 39 | - const: ingenic,jz4760-rtc |
| 40 | |
| 41 | reg: |
| 42 | maxItems: 1 |
| 43 | |
| 44 | interrupts: |
| 45 | maxItems: 1 |
| 46 | |
| 47 | clocks: |
| 48 | maxItems: 1 |
| 49 | |
| 50 | clock-names: |
| 51 | const: rtc |
| 52 | |
| 53 | "#clock-cells": |
| 54 | const: 0 |
| 55 | |
| 56 | system-power-controller: |
| 57 | description: | |
| 58 | Indicates that the RTC is responsible for powering OFF |
| 59 | the system. |
| 60 | type: boolean |
| 61 | |
| 62 | ingenic,reset-pin-assert-time-ms: |
| 63 | minimum: 0 |
| 64 | maximum: 125 |
| 65 | default: 60 |
| 66 | description: | |
| 67 | Reset pin low-level assertion time after wakeup |
| 68 | (assuming RTC clock at 32 kHz) |
| 69 | |
| 70 | ingenic,min-wakeup-pin-assert-time-ms: |
| 71 | minimum: 0 |
| 72 | maximum: 2000 |
| 73 | default: 100 |
| 74 | description: | |
| 75 | Minimum wakeup pin assertion time |
| 76 | (assuming RTC clock at 32 kHz) |
| 77 | |
| 78 | required: |
| 79 | - compatible |
| 80 | - reg |
| 81 | - interrupts |
| 82 | - clocks |
| 83 | - clock-names |
| 84 | |
| 85 | unevaluatedProperties: false |
| 86 | |
| 87 | examples: |
| 88 | - | |
| 89 | #include <dt-bindings/clock/ingenic,jz4740-cgu.h> |
| 90 | rtc_dev: rtc@10003000 { |
| 91 | compatible = "ingenic,jz4740-rtc"; |
| 92 | reg = <0x10003000 0x40>; |
| 93 | |
| 94 | interrupt-parent = <&intc>; |
| 95 | interrupts = <15>; |
| 96 | |
| 97 | clocks = <&cgu JZ4740_CLK_RTC>; |
| 98 | clock-names = "rtc"; |
| 99 | }; |
| 100 | |
| 101 | - | |
| 102 | #include <dt-bindings/clock/ingenic,jz4780-cgu.h> |
| 103 | rtc: rtc@10003000 { |
| 104 | compatible = "ingenic,jz4780-rtc", "ingenic,jz4760-rtc"; |
| 105 | reg = <0x10003000 0x4c>; |
| 106 | |
| 107 | interrupt-parent = <&intc>; |
| 108 | interrupts = <32>; |
| 109 | |
| 110 | clocks = <&cgu JZ4780_CLK_RTCLK>; |
| 111 | clock-names = "rtc"; |
| 112 | |
| 113 | #clock-cells = <0>; |
| 114 | }; |