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 const: fsl,imx7ulp-tpm
23 - const: fsl,imx7ulp-tpm <<
24 - items: <<
25 - const: fsl,imx8ulp-tpm <<
26 - const: fsl,imx7ulp-tpm <<
27 23
28 reg: 24 reg:
29 maxItems: 1 25 maxItems: 1
30 26
31 interrupts: 27 interrupts:
32 maxItems: 1 28 maxItems: 1
33 29
34 clocks: 30 clocks:
35 items: 31 items:
36 - description: SoC TPM ipg clock 32 - description: SoC TPM ipg clock
37 - description: SoC TPM per clock 33 - description: SoC TPM per clock
38 34
39 clock-names: 35 clock-names:
40 items: 36 items:
41 - const: ipg 37 - const: ipg
42 - const: per 38 - const: per
43 39
44 required: 40 required:
45 - compatible 41 - compatible
46 - reg 42 - reg
47 - interrupts 43 - interrupts
48 - clocks 44 - clocks
49 - clock-names 45 - clock-names
50 46
51 additionalProperties: false 47 additionalProperties: false
52 48
53 examples: 49 examples:
54 - | 50 - |
55 #include <dt-bindings/clock/imx7ulp-clock. 51 #include <dt-bindings/clock/imx7ulp-clock.h>
56 #include <dt-bindings/interrupt-controller 52 #include <dt-bindings/interrupt-controller/arm-gic.h>
57 53
58 timer@40260000 { 54 timer@40260000 {
59 compatible = "fsl,imx7ulp-tpm"; 55 compatible = "fsl,imx7ulp-tpm";
60 reg = <0x40260000 0x1000>; 56 reg = <0x40260000 0x1000>;
61 interrupts = <GIC_SPI 22 IRQ_TYPE_LEVE 57 interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
62 clocks = <&scg1 IMX7ULP_CLK_NIC1_BUS_D 58 clocks = <&scg1 IMX7ULP_CLK_NIC1_BUS_DIV>,
63 <&pcc2 IMX7ULP_CLK_LPTPM5>; 59 <&pcc2 IMX7ULP_CLK_LPTPM5>;
64 clock-names = "ipg", "per"; 60 clock-names = "ipg", "per";
65 }; 61 };
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