xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/timer/cdns,ttc.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/timer/cdns,ttc.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Cadence TTC - Triple Timer Counter
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Michal Simek <michal.simek@xilinx.com>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyunproperties:
13*4882a593Smuzhiyun  compatible:
14*4882a593Smuzhiyun    const: cdns,ttc
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun  reg:
17*4882a593Smuzhiyun    maxItems: 1
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun  interrupts:
20*4882a593Smuzhiyun    minItems: 3
21*4882a593Smuzhiyun    maxItems: 3
22*4882a593Smuzhiyun    description: |
23*4882a593Smuzhiyun      A list of 3 interrupts; one per timer channel.
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun  clocks:
26*4882a593Smuzhiyun    maxItems: 1
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun  timer-width:
29*4882a593Smuzhiyun    $ref: "/schemas/types.yaml#/definitions/uint32"
30*4882a593Smuzhiyun    description: |
31*4882a593Smuzhiyun      Bit width of the timer, necessary if not 16.
32*4882a593Smuzhiyun
33*4882a593Smuzhiyunrequired:
34*4882a593Smuzhiyun  - compatible
35*4882a593Smuzhiyun  - reg
36*4882a593Smuzhiyun  - interrupts
37*4882a593Smuzhiyun  - clocks
38*4882a593Smuzhiyun
39*4882a593SmuzhiyunadditionalProperties: false
40*4882a593Smuzhiyun
41*4882a593Smuzhiyunexamples:
42*4882a593Smuzhiyun  - |
43*4882a593Smuzhiyun    ttc0: ttc0@f8001000 {
44*4882a593Smuzhiyun        interrupt-parent = <&intc>;
45*4882a593Smuzhiyun        interrupts = <0 10 4>, <0 11 4>, <0 12 4>;
46*4882a593Smuzhiyun        compatible = "cdns,ttc";
47*4882a593Smuzhiyun        reg = <0xF8001000 0x1000>;
48*4882a593Smuzhiyun        clocks = <&cpu_clk 3>;
49*4882a593Smuzhiyun        timer-width = <32>;
50*4882a593Smuzhiyun    };
51