xref: /freebsd/sys/contrib/device-tree/Bindings/timer/cdns,ttc.yaml (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*c66ec88fSEmmanuel Vadot%YAML 1.2
3*c66ec88fSEmmanuel Vadot---
4*c66ec88fSEmmanuel Vadot$id: http://devicetree.org/schemas/timer/cdns,ttc.yaml#
5*c66ec88fSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml#
6*c66ec88fSEmmanuel Vadot
7*c66ec88fSEmmanuel Vadottitle: Cadence TTC - Triple Timer Counter
8*c66ec88fSEmmanuel Vadot
9*c66ec88fSEmmanuel Vadotmaintainers:
10*c66ec88fSEmmanuel Vadot  - Michal Simek <michal.simek@xilinx.com>
11*c66ec88fSEmmanuel Vadot
12*c66ec88fSEmmanuel Vadotproperties:
13*c66ec88fSEmmanuel Vadot  compatible:
14*c66ec88fSEmmanuel Vadot    const: cdns,ttc
15*c66ec88fSEmmanuel Vadot
16*c66ec88fSEmmanuel Vadot  reg:
17*c66ec88fSEmmanuel Vadot    maxItems: 1
18*c66ec88fSEmmanuel Vadot
19*c66ec88fSEmmanuel Vadot  interrupts:
20*c66ec88fSEmmanuel Vadot    minItems: 3
21*c66ec88fSEmmanuel Vadot    maxItems: 3
22*c66ec88fSEmmanuel Vadot    description: |
23*c66ec88fSEmmanuel Vadot      A list of 3 interrupts; one per timer channel.
24*c66ec88fSEmmanuel Vadot
25*c66ec88fSEmmanuel Vadot  clocks:
26*c66ec88fSEmmanuel Vadot    maxItems: 1
27*c66ec88fSEmmanuel Vadot
28*c66ec88fSEmmanuel Vadot  timer-width:
29*c66ec88fSEmmanuel Vadot    $ref: "/schemas/types.yaml#/definitions/uint32"
30*c66ec88fSEmmanuel Vadot    description: |
31*c66ec88fSEmmanuel Vadot      Bit width of the timer, necessary if not 16.
32*c66ec88fSEmmanuel Vadot
33*c66ec88fSEmmanuel Vadotrequired:
34*c66ec88fSEmmanuel Vadot  - compatible
35*c66ec88fSEmmanuel Vadot  - reg
36*c66ec88fSEmmanuel Vadot  - interrupts
37*c66ec88fSEmmanuel Vadot  - clocks
38*c66ec88fSEmmanuel Vadot
39*c66ec88fSEmmanuel Vadotexamples:
40*c66ec88fSEmmanuel Vadot  - |
41*c66ec88fSEmmanuel Vadot    ttc0: ttc0@f8001000 {
42*c66ec88fSEmmanuel Vadot        interrupt-parent = <&intc>;
43*c66ec88fSEmmanuel Vadot        interrupts = <0 10 4>, <0 11 4>, <0 12 4>;
44*c66ec88fSEmmanuel Vadot        compatible = "cdns,ttc";
45*c66ec88fSEmmanuel Vadot        reg = <0xF8001000 0x1000>;
46*c66ec88fSEmmanuel Vadot        clocks = <&cpu_clk 3>;
47*c66ec88fSEmmanuel Vadot        timer-width = <32>;
48*c66ec88fSEmmanuel Vadot    };
49