xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/timer/snps,dw-apb-timer.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Synopsys DesignWare APB Timer
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Daniel Lezcano <daniel.lezcano@linaro.org>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyunproperties:
13*4882a593Smuzhiyun  compatible:
14*4882a593Smuzhiyun    oneOf:
15*4882a593Smuzhiyun      - const: snps,dw-apb-timer
16*4882a593Smuzhiyun      - enum:
17*4882a593Smuzhiyun          - snps,dw-apb-timer-sp
18*4882a593Smuzhiyun          - snps,dw-apb-timer-osc
19*4882a593Smuzhiyun        deprecated: true
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun  reg:
22*4882a593Smuzhiyun    maxItems: 1
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun  interrupts:
25*4882a593Smuzhiyun    maxItems: 1
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun  clocks:
28*4882a593Smuzhiyun    minItems: 1
29*4882a593Smuzhiyun    items:
30*4882a593Smuzhiyun      - description: Timer ticks reference clock source
31*4882a593Smuzhiyun      - description: APB interface clock source
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun  clock-names:
34*4882a593Smuzhiyun    minItems: 1
35*4882a593Smuzhiyun    items:
36*4882a593Smuzhiyun      - const: timer
37*4882a593Smuzhiyun      - const: pclk
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun  clock-frequency: true
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun  clock-freq:
42*4882a593Smuzhiyun    $ref: "/schemas/types.yaml#/definitions/uint32"
43*4882a593Smuzhiyun    description: |
44*4882a593Smuzhiyun      Has the same meaning as the 'clock-frequency' property - timer clock
45*4882a593Smuzhiyun      frequency in HZ, but is defined only for the backwards compatibility
46*4882a593Smuzhiyun      with the picoxcell platform.
47*4882a593Smuzhiyun
48*4882a593SmuzhiyunadditionalProperties: false
49*4882a593Smuzhiyun
50*4882a593Smuzhiyunrequired:
51*4882a593Smuzhiyun  - compatible
52*4882a593Smuzhiyun  - reg
53*4882a593Smuzhiyun  - interrupts
54*4882a593Smuzhiyun
55*4882a593SmuzhiyunoneOf:
56*4882a593Smuzhiyun  - required:
57*4882a593Smuzhiyun      - clocks
58*4882a593Smuzhiyun      - clock-names
59*4882a593Smuzhiyun  - required:
60*4882a593Smuzhiyun      - clock-frequency
61*4882a593Smuzhiyun  - required:
62*4882a593Smuzhiyun      - clock-freq
63*4882a593Smuzhiyun
64*4882a593Smuzhiyunexamples:
65*4882a593Smuzhiyun  - |
66*4882a593Smuzhiyun    timer@ffe00000 {
67*4882a593Smuzhiyun      compatible = "snps,dw-apb-timer";
68*4882a593Smuzhiyun      interrupts = <0 170 4>;
69*4882a593Smuzhiyun      reg = <0xffe00000 0x1000>;
70*4882a593Smuzhiyun      clocks = <&timer_clk>, <&timer_pclk>;
71*4882a593Smuzhiyun      clock-names = "timer", "pclk";
72*4882a593Smuzhiyun    };
73*4882a593Smuzhiyun  - |
74*4882a593Smuzhiyun    timer@ffe00000 {
75*4882a593Smuzhiyun      compatible = "snps,dw-apb-timer";
76*4882a593Smuzhiyun      interrupts = <0 170 4>;
77*4882a593Smuzhiyun      reg = <0xffe00000 0x1000>;
78*4882a593Smuzhiyun      clocks = <&timer_clk>;
79*4882a593Smuzhiyun      clock-names = "timer";
80*4882a593Smuzhiyun    };
81*4882a593Smuzhiyun  - |
82*4882a593Smuzhiyun    timer@ffe00000 {
83*4882a593Smuzhiyun      compatible = "snps,dw-apb-timer";
84*4882a593Smuzhiyun      interrupts = <0 170 4>;
85*4882a593Smuzhiyun      reg = <0xffe00000 0x1000>;
86*4882a593Smuzhiyun      clock-frequency = <25000000>;
87*4882a593Smuzhiyun    };
88*4882a593Smuzhiyun...
89