1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/timer/cdns, 4 $id: http://devicetree.org/schemas/timer/cdns,ttc.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Cadence TTC - Triple Timer Counter 7 title: Cadence TTC - Triple Timer Counter
8 8
9 maintainers: 9 maintainers:
10 - Michal Simek <michal.simek@amd.com> 10 - Michal Simek <michal.simek@amd.com>
11 11
12 properties: 12 properties:
13 compatible: 13 compatible:
14 const: cdns,ttc 14 const: cdns,ttc
15 15
16 reg: 16 reg:
17 maxItems: 1 17 maxItems: 1
18 18
19 interrupts: 19 interrupts:
20 maxItems: 3 20 maxItems: 3
21 description: | 21 description: |
22 A list of 3 interrupts; one per timer ch 22 A list of 3 interrupts; one per timer channel.
23 23
24 clocks: 24 clocks:
25 maxItems: 1 25 maxItems: 1
26 26
27 power-domains: 27 power-domains:
28 maxItems: 1 28 maxItems: 1
29 29
30 timer-width: 30 timer-width:
31 $ref: /schemas/types.yaml#/definitions/uin 31 $ref: /schemas/types.yaml#/definitions/uint32
32 description: | 32 description: |
33 Bit width of the timer, necessary if not 33 Bit width of the timer, necessary if not 16.
34 34
35 "#pwm-cells": <<
36 const: 3 <<
37 <<
38 required: 35 required:
39 - compatible 36 - compatible
40 - reg 37 - reg
>> 38 - interrupts
41 - clocks 39 - clocks
42 40
43 allOf: <<
44 - if: <<
45 not: <<
46 required: <<
47 - "#pwm-cells" <<
48 then: <<
49 required: <<
50 - interrupts <<
51 <<
52 additionalProperties: false 41 additionalProperties: false
53 42
54 examples: 43 examples:
55 - | 44 - |
56 ttc0: ttc0@f8001000 { 45 ttc0: ttc0@f8001000 {
57 interrupt-parent = <&intc>; 46 interrupt-parent = <&intc>;
58 interrupts = <0 10 4>, <0 11 4>, <0 12 47 interrupts = <0 10 4>, <0 11 4>, <0 12 4>;
59 compatible = "cdns,ttc"; 48 compatible = "cdns,ttc";
60 reg = <0xF8001000 0x1000>; 49 reg = <0xF8001000 0x1000>;
61 clocks = <&cpu_clk 3>; 50 clocks = <&cpu_clk 3>;
62 timer-width = <32>; 51 timer-width = <32>;
63 }; <<
64 <<
65 - | <<
66 pwm: pwm@f8002000 { <<
67 compatible = "cdns,ttc"; <<
68 reg = <0xf8002000 0x1000>; <<
69 clocks = <&cpu_clk 3>; <<
70 timer-width = <32>; <<
71 #pwm-cells = <3>; <<
72 }; 52 };
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