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/nxp,s 4 $id: http://devicetree.org/schemas/timer/nxp,sysctr-timer.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: NXP System Counter Module(sys_ctr) 7 title: NXP System Counter Module(sys_ctr)
8 8
9 maintainers: 9 maintainers:
10 - Bai Ping <ping.bai@nxp.com> 10 - Bai Ping <ping.bai@nxp.com>
11 11
12 description: | 12 description: |
13 The system counter(sys_ctr) is a programmabl 13 The system counter(sys_ctr) is a programmable system counter
14 which provides a shared time base to Cortex 14 which provides a shared time base to Cortex A15, A7, A53, A73,
15 etc. it is intended for use in applications 15 etc. it is intended for use in applications where the counter
16 is always powered and support multiple, unre 16 is always powered and support multiple, unrelated clocks. The
17 compare frame inside can be used for timer p 17 compare frame inside can be used for timer purpose.
18 18
19 properties: 19 properties:
20 compatible: 20 compatible:
21 enum: !! 21 const: nxp,sysctr-timer
22 - nxp,imx95-sysctr-timer <<
23 - nxp,sysctr-timer <<
24 22
25 reg: 23 reg:
26 maxItems: 1 24 maxItems: 1
27 25
28 interrupts: 26 interrupts:
29 maxItems: 1 27 maxItems: 1
30 28
31 clocks: 29 clocks:
32 maxItems: 1 30 maxItems: 1
33 31
34 clock-names: 32 clock-names:
35 const: per 33 const: per
36 <<
37 nxp,no-divider: <<
38 description: if present, means there is no <<
39 type: boolean <<
40 34
41 required: 35 required:
42 - compatible 36 - compatible
43 - reg 37 - reg
44 - interrupts 38 - interrupts
45 - clocks 39 - clocks
46 - clock-names 40 - clock-names
47 41
48 additionalProperties: false 42 additionalProperties: false
49 43
50 examples: 44 examples:
51 - | 45 - |
52 #include <dt-bindings/interrupt-controller 46 #include <dt-bindings/interrupt-controller/arm-gic.h>
53 47
54 timer@306a0000 { 48 timer@306a0000 {
55 compatible = "nxp,sysctr-timer"; 49 compatible = "nxp,sysctr-timer";
56 reg = <0x306a0000 0x20000>; 50 reg = <0x306a0000 0x20000>;
57 clocks = <&clk_8m>; 51 clocks = <&clk_8m>;
58 clock-names = "per"; 52 clock-names = "per";
59 interrupts = <GIC_SPI 47 IRQ_TYPE_LEVE 53 interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
60 }; 54 };
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