xref: /linux/Documentation/devicetree/bindings/timer/st,nomadik-mtu.yaml (revision 1ac731c529cd4d6adbce134754b51ff7d822b145) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2# Copyright 2022 Linaro Ltd.
3%YAML 1.2
4---
5$id: http://devicetree.org/schemas/timer/st,nomadik-mtu.yaml#
6$schema: http://devicetree.org/meta-schemas/core.yaml#
7
8title: ST Microelectronics Nomadik Multi-Timer Unit MTU Timer
9
10maintainers:
11  - Linus Walleij <linus.walleij@linaro.org>
12
13description: This timer is found in the ST Microelectronics Nomadik
14  SoCs STn8800, STn8810 and STn8815 as well as in ST-Ericsson DB8500.
15
16properties:
17  compatible:
18    items:
19      - const: st,nomadik-mtu
20
21  reg:
22    maxItems: 1
23
24  interrupts:
25    maxItems: 1
26
27  clocks:
28    description: The first clock named TIMCLK clocks the actual timers and
29      the second clock clocks the digital interface to the interconnect.
30    maxItems: 2
31
32  clock-names:
33    items:
34      - const: timclk
35      - const: apb_pclk
36
37required:
38  - compatible
39  - reg
40  - interrupts
41  - clocks
42  - clock-names
43
44additionalProperties: false
45
46examples:
47  - |
48    #include <dt-bindings/interrupt-controller/irq.h>
49    #include <dt-bindings/interrupt-controller/arm-gic.h>
50    #include <dt-bindings/mfd/dbx500-prcmu.h>
51    timer@a03c6000 {
52      compatible = "st,nomadik-mtu";
53      reg = <0xa03c6000 0x1000>;
54      interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
55
56      clocks = <&prcmu_clk PRCMU_TIMCLK>, <&prcc_pclk 6 6>;
57      clock-names = "timclk", "apb_pclk";
58    };
59