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 34
37 nxp,no-divider: 35 nxp,no-divider:
38 description: if present, means there is no 36 description: if present, means there is no internal base clk divider.
39 type: boolean 37 type: boolean
40 38
41 required: 39 required:
42 - compatible 40 - compatible
43 - reg 41 - reg
44 - interrupts 42 - interrupts
45 - clocks 43 - clocks
46 - clock-names 44 - clock-names
47 45
48 additionalProperties: false 46 additionalProperties: false
49 47
50 examples: 48 examples:
51 - | 49 - |
52 #include <dt-bindings/interrupt-controller 50 #include <dt-bindings/interrupt-controller/arm-gic.h>
53 51
54 timer@306a0000 { 52 timer@306a0000 {
55 compatible = "nxp,sysctr-timer"; 53 compatible = "nxp,sysctr-timer";
56 reg = <0x306a0000 0x20000>; 54 reg = <0x306a0000 0x20000>;
57 clocks = <&clk_8m>; 55 clocks = <&clk_8m>;
58 clock-names = "per"; 56 clock-names = "per";
59 interrupts = <GIC_SPI 47 IRQ_TYPE_LEVE 57 interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
60 }; 58 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.