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,t 4 $id: http://devicetree.org/schemas/timer/nxp,tpm-timer.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: NXP Low Power Timer/Pulse Width Modulat 7 title: NXP Low Power Timer/Pulse Width Modulation Module (TPM)
8 8
9 maintainers: 9 maintainers:
10 - Dong Aisheng <aisheng.dong@nxp.com> 10 - Dong Aisheng <aisheng.dong@nxp.com>
11 11
12 description: | 12 description: |
13 The Timer/PWM Module (TPM) supports input ca 13 The Timer/PWM Module (TPM) supports input capture, output compare,
14 and the generation of PWM signals to control 14 and the generation of PWM signals to control electric motor and power
15 management applications. The counter, compar 15 management applications. The counter, compare and capture registers
16 are clocked by an asynchronous clock that ca 16 are clocked by an asynchronous clock that can remain enabled in low
17 power modes. TPM can support global counter 17 power modes. TPM can support global counter bus where one TPM drives
18 the counter bus for the others, provided bit 18 the counter bus for the others, provided bit width is the same.
19 19
20 properties: 20 properties:
21 compatible: 21 compatible:
22 oneOf: 22 oneOf:
23 - const: fsl,imx7ulp-tpm 23 - const: fsl,imx7ulp-tpm
24 - items: 24 - items:
25 - const: fsl,imx8ulp-tpm 25 - const: fsl,imx8ulp-tpm
26 - const: fsl,imx7ulp-tpm 26 - const: fsl,imx7ulp-tpm
27 27
28 reg: 28 reg:
29 maxItems: 1 29 maxItems: 1
30 30
31 interrupts: 31 interrupts:
32 maxItems: 1 32 maxItems: 1
33 33
34 clocks: 34 clocks:
35 items: 35 items:
36 - description: SoC TPM ipg clock 36 - description: SoC TPM ipg clock
37 - description: SoC TPM per clock 37 - description: SoC TPM per clock
38 38
39 clock-names: 39 clock-names:
40 items: 40 items:
41 - const: ipg 41 - const: ipg
42 - const: per 42 - const: per
43 43
44 required: 44 required:
45 - compatible 45 - compatible
46 - reg 46 - reg
47 - interrupts 47 - interrupts
48 - clocks 48 - clocks
49 - clock-names 49 - clock-names
50 50
51 additionalProperties: false 51 additionalProperties: false
52 52
53 examples: 53 examples:
54 - | 54 - |
55 #include <dt-bindings/clock/imx7ulp-clock. 55 #include <dt-bindings/clock/imx7ulp-clock.h>
56 #include <dt-bindings/interrupt-controller 56 #include <dt-bindings/interrupt-controller/arm-gic.h>
57 57
58 timer@40260000 { 58 timer@40260000 {
59 compatible = "fsl,imx7ulp-tpm"; 59 compatible = "fsl,imx7ulp-tpm";
60 reg = <0x40260000 0x1000>; 60 reg = <0x40260000 0x1000>;
61 interrupts = <GIC_SPI 22 IRQ_TYPE_LEVE 61 interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
62 clocks = <&scg1 IMX7ULP_CLK_NIC1_BUS_D 62 clocks = <&scg1 IMX7ULP_CLK_NIC1_BUS_DIV>,
63 <&pcc2 IMX7ULP_CLK_LPTPM5>; 63 <&pcc2 IMX7ULP_CLK_LPTPM5>;
64 clock-names = "ipg", "per"; 64 clock-names = "ipg", "per";
65 }; 65 };
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