xref: /freebsd/sys/contrib/device-tree/Bindings/timer/cdns,ttc.yaml (revision 6be3386466ab79a84b48429ae66244f21526d3df)
1c66ec88fSEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2c66ec88fSEmmanuel Vadot%YAML 1.2
3c66ec88fSEmmanuel Vadot---
4c66ec88fSEmmanuel Vadot$id: http://devicetree.org/schemas/timer/cdns,ttc.yaml#
5c66ec88fSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml#
6c66ec88fSEmmanuel Vadot
7c66ec88fSEmmanuel Vadottitle: Cadence TTC - Triple Timer Counter
8c66ec88fSEmmanuel Vadot
9c66ec88fSEmmanuel Vadotmaintainers:
10c66ec88fSEmmanuel Vadot  - Michal Simek <michal.simek@xilinx.com>
11c66ec88fSEmmanuel Vadot
12c66ec88fSEmmanuel Vadotproperties:
13c66ec88fSEmmanuel Vadot  compatible:
14c66ec88fSEmmanuel Vadot    const: cdns,ttc
15c66ec88fSEmmanuel Vadot
16c66ec88fSEmmanuel Vadot  reg:
17c66ec88fSEmmanuel Vadot    maxItems: 1
18c66ec88fSEmmanuel Vadot
19c66ec88fSEmmanuel Vadot  interrupts:
20c66ec88fSEmmanuel Vadot    minItems: 3
21c66ec88fSEmmanuel Vadot    maxItems: 3
22c66ec88fSEmmanuel Vadot    description: |
23c66ec88fSEmmanuel Vadot      A list of 3 interrupts; one per timer channel.
24c66ec88fSEmmanuel Vadot
25c66ec88fSEmmanuel Vadot  clocks:
26c66ec88fSEmmanuel Vadot    maxItems: 1
27c66ec88fSEmmanuel Vadot
28c66ec88fSEmmanuel Vadot  timer-width:
29c66ec88fSEmmanuel Vadot    $ref: "/schemas/types.yaml#/definitions/uint32"
30c66ec88fSEmmanuel Vadot    description: |
31c66ec88fSEmmanuel Vadot      Bit width of the timer, necessary if not 16.
32c66ec88fSEmmanuel Vadot
33c66ec88fSEmmanuel Vadotrequired:
34c66ec88fSEmmanuel Vadot  - compatible
35c66ec88fSEmmanuel Vadot  - reg
36c66ec88fSEmmanuel Vadot  - interrupts
37c66ec88fSEmmanuel Vadot  - clocks
38c66ec88fSEmmanuel Vadot
39*6be33864SEmmanuel VadotadditionalProperties: false
40*6be33864SEmmanuel Vadot
41c66ec88fSEmmanuel Vadotexamples:
42c66ec88fSEmmanuel Vadot  - |
43c66ec88fSEmmanuel Vadot    ttc0: ttc0@f8001000 {
44c66ec88fSEmmanuel Vadot        interrupt-parent = <&intc>;
45c66ec88fSEmmanuel Vadot        interrupts = <0 10 4>, <0 11 4>, <0 12 4>;
46c66ec88fSEmmanuel Vadot        compatible = "cdns,ttc";
47c66ec88fSEmmanuel Vadot        reg = <0xF8001000 0x1000>;
48c66ec88fSEmmanuel Vadot        clocks = <&cpu_clk 3>;
49c66ec88fSEmmanuel Vadot        timer-width = <32>;
50c66ec88fSEmmanuel Vadot    };
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