1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-C 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/watchdog/fs 4 $id: http://devicetree.org/schemas/watchdog/fsl-imx-wdt.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Freescale i.MX Watchdog Timer (WDT) Con 7 title: Freescale i.MX Watchdog Timer (WDT) Controller
8 8
9 maintainers: 9 maintainers:
10 - Shawn Guo <shawnguo@kernel.org> 10 - Shawn Guo <shawnguo@kernel.org>
11 - Sascha Hauer <s.hauer@pengutronix.de> 11 - Sascha Hauer <s.hauer@pengutronix.de>
12 - Fabio Estevam <festevam@gmail.com> 12 - Fabio Estevam <festevam@gmail.com>
13 13
14 properties: 14 properties:
15 compatible: 15 compatible:
16 oneOf: 16 oneOf:
17 - const: fsl,imx21-wdt 17 - const: fsl,imx21-wdt
18 - items: 18 - items:
19 - enum: 19 - enum:
20 - fsl,imx25-wdt 20 - fsl,imx25-wdt
21 - fsl,imx27-wdt 21 - fsl,imx27-wdt
22 - fsl,imx31-wdt 22 - fsl,imx31-wdt
23 - fsl,imx35-wdt 23 - fsl,imx35-wdt
24 - fsl,imx50-wdt 24 - fsl,imx50-wdt
25 - fsl,imx51-wdt 25 - fsl,imx51-wdt
26 - fsl,imx53-wdt 26 - fsl,imx53-wdt
27 - fsl,imx6q-wdt 27 - fsl,imx6q-wdt
28 - fsl,imx6sl-wdt 28 - fsl,imx6sl-wdt
29 - fsl,imx6sll-wdt 29 - fsl,imx6sll-wdt
30 - fsl,imx6sx-wdt 30 - fsl,imx6sx-wdt
31 - fsl,imx6ul-wdt 31 - fsl,imx6ul-wdt
32 - fsl,imx7d-wdt 32 - fsl,imx7d-wdt
33 - fsl,imx8mm-wdt 33 - fsl,imx8mm-wdt
34 - fsl,imx8mn-wdt 34 - fsl,imx8mn-wdt
35 - fsl,imx8mp-wdt 35 - fsl,imx8mp-wdt
36 - fsl,imx8mq-wdt 36 - fsl,imx8mq-wdt
37 - fsl,ls1012a-wdt 37 - fsl,ls1012a-wdt
38 - fsl,ls1043a-wdt 38 - fsl,ls1043a-wdt
39 - fsl,vf610-wdt 39 - fsl,vf610-wdt
40 - const: fsl,imx21-wdt 40 - const: fsl,imx21-wdt
41 41
42 reg: 42 reg:
43 maxItems: 1 43 maxItems: 1
44 44
45 interrupts: 45 interrupts:
46 maxItems: 1 46 maxItems: 1
47 47
48 clocks: 48 clocks:
49 maxItems: 1 49 maxItems: 1
50 50
51 fsl,ext-reset-output: 51 fsl,ext-reset-output:
52 $ref: /schemas/types.yaml#/definitions/fla 52 $ref: /schemas/types.yaml#/definitions/flag
53 description: | 53 description: |
54 If present, the watchdog device is confi 54 If present, the watchdog device is configured to assert its
55 external reset (WDOG_B) instead of issui 55 external reset (WDOG_B) instead of issuing a software reset.
56 56
57 fsl,suspend-in-wait: 57 fsl,suspend-in-wait:
58 $ref: /schemas/types.yaml#/definitions/fla 58 $ref: /schemas/types.yaml#/definitions/flag
59 description: | 59 description: |
60 If present, the watchdog device is suspe 60 If present, the watchdog device is suspended in WAIT mode
61 (Suspend-to-Idle). Only supported on cer 61 (Suspend-to-Idle). Only supported on certain devices.
62 62
63 required: 63 required:
64 - compatible 64 - compatible
65 - interrupts 65 - interrupts
66 - reg 66 - reg
67 67
68 allOf: 68 allOf:
69 - $ref: watchdog.yaml# 69 - $ref: watchdog.yaml#
70 - if: 70 - if:
71 not: 71 not:
72 properties: 72 properties:
73 compatible: 73 compatible:
74 contains: 74 contains:
75 enum: 75 enum:
76 - fsl,imx25-wdt 76 - fsl,imx25-wdt
77 - fsl,imx35-wdt 77 - fsl,imx35-wdt
78 - fsl,imx50-wdt 78 - fsl,imx50-wdt
79 - fsl,imx51-wdt 79 - fsl,imx51-wdt
80 - fsl,imx53-wdt 80 - fsl,imx53-wdt
81 - fsl,imx6q-wdt 81 - fsl,imx6q-wdt
82 - fsl,imx6sl-wdt 82 - fsl,imx6sl-wdt
83 - fsl,imx6sll-wdt 83 - fsl,imx6sll-wdt
84 - fsl,imx6sx-wdt 84 - fsl,imx6sx-wdt
85 - fsl,imx6ul-wdt 85 - fsl,imx6ul-wdt
86 - fsl,imx7d-wdt 86 - fsl,imx7d-wdt
87 - fsl,imx8mm-wdt 87 - fsl,imx8mm-wdt
88 - fsl,imx8mn-wdt 88 - fsl,imx8mn-wdt
89 - fsl,imx8mp-wdt 89 - fsl,imx8mp-wdt
90 - fsl,imx8mq-wdt 90 - fsl,imx8mq-wdt
91 - fsl,vf610-wdt 91 - fsl,vf610-wdt
92 then: 92 then:
93 properties: 93 properties:
94 fsl,suspend-in-wait: false 94 fsl,suspend-in-wait: false
95 95
96 unevaluatedProperties: false 96 unevaluatedProperties: false
97 97
98 examples: 98 examples:
99 - | 99 - |
100 #include <dt-bindings/interrupt-controller 100 #include <dt-bindings/interrupt-controller/arm-gic.h>
101 #include <dt-bindings/clock/imx6qdl-clock. 101 #include <dt-bindings/clock/imx6qdl-clock.h>
102 102
103 watchdog@20bc000 { 103 watchdog@20bc000 {
104 compatible = "fsl,imx21-wdt"; 104 compatible = "fsl,imx21-wdt";
105 reg = <0x020bc000 0x4000>; 105 reg = <0x020bc000 0x4000>;
106 interrupts = <0 80 IRQ_TYPE_LEVEL_HIGH 106 interrupts = <0 80 IRQ_TYPE_LEVEL_HIGH>;
107 clocks = <&clks IMX6QDL_CLK_IPG>; 107 clocks = <&clks IMX6QDL_CLK_IPG>;
108 }; 108 };
109 109
110 ... 110 ...
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