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/xlnx,zynqmp-rtc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Xilinx Zynq Ultrascale+ MPSoC Real Time Clock |
| 8 | |
| 9 | description: |
| 10 | RTC controller for the Xilinx Zynq MPSoC Real Time Clock. |
| 11 | The RTC controller has separate IRQ lines for seconds and alarm. |
| 12 | |
| 13 | maintainers: |
| 14 | - Michal Simek <michal.simek@amd.com> |
| 15 | |
| 16 | allOf: |
| 17 | - $ref: rtc.yaml# |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
Tom Rini | 6bb92fc | 2024-05-20 09:54:58 -0600 | [diff] [blame] | 21 | oneOf: |
| 22 | - const: xlnx,zynqmp-rtc |
| 23 | - items: |
| 24 | - enum: |
| 25 | - xlnx,versal-rtc |
| 26 | - xlnx,versal-net-rtc |
| 27 | - const: xlnx,zynqmp-rtc |
Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 28 | |
| 29 | reg: |
| 30 | maxItems: 1 |
| 31 | |
| 32 | clocks: |
| 33 | maxItems: 1 |
| 34 | |
| 35 | clock-names: |
| 36 | items: |
| 37 | - const: rtc |
| 38 | |
| 39 | interrupts: |
| 40 | maxItems: 2 |
| 41 | |
| 42 | interrupt-names: |
| 43 | items: |
| 44 | - const: alarm |
| 45 | - const: sec |
| 46 | |
| 47 | calibration: |
| 48 | description: | |
| 49 | calibration value for 1 sec period which will |
| 50 | be programmed directly to calibration register. |
| 51 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 52 | minimum: 0x1 |
| 53 | maximum: 0x1FFFFF |
| 54 | default: 0x198233 |
| 55 | deprecated: true |
| 56 | |
Tom Rini | 6bb92fc | 2024-05-20 09:54:58 -0600 | [diff] [blame] | 57 | power-domains: |
| 58 | maxItems: 1 |
| 59 | |
Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 60 | required: |
| 61 | - compatible |
| 62 | - reg |
| 63 | - interrupts |
| 64 | - interrupt-names |
| 65 | |
| 66 | additionalProperties: false |
| 67 | |
| 68 | examples: |
| 69 | - | |
| 70 | soc { |
| 71 | #address-cells = <2>; |
| 72 | #size-cells = <2>; |
| 73 | |
| 74 | rtc: rtc@ffa60000 { |
| 75 | compatible = "xlnx,zynqmp-rtc"; |
| 76 | reg = <0x0 0xffa60000 0x0 0x100>; |
| 77 | interrupt-parent = <&gic>; |
| 78 | interrupts = <0 26 4>, <0 27 4>; |
| 79 | interrupt-names = "alarm", "sec"; |
| 80 | calibration = <0x198233>; |
| 81 | clock-names = "rtc"; |
| 82 | clocks = <&rtc_clk>; |
| 83 | }; |
| 84 | }; |