1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # Copyright (C) 2008-2011 Freescale Semiconduc 2 # Copyright (C) 2008-2011 Freescale Semiconductor Inc.
3 %YAML 1.2 3 %YAML 1.2
4 --- 4 ---
5 $id: http://devicetree.org/schemas/crypto/fsl, 5 $id: http://devicetree.org/schemas/crypto/fsl,sec-v4.0-mon.yaml#
6 $schema: http://devicetree.org/meta-schemas/co 6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 7
8 title: Freescale Secure Non-Volatile Storage ( 8 title: Freescale Secure Non-Volatile Storage (SNVS)
9 9
10 maintainers: 10 maintainers:
11 - '"Horia Geantă" <horia.geanta@nxp.com>' 11 - '"Horia Geantă" <horia.geanta@nxp.com>'
12 - Pankaj Gupta <pankaj.gupta@nxp.com> 12 - Pankaj Gupta <pankaj.gupta@nxp.com>
13 - Gaurav Jain <gaurav.jain@nxp.com> 13 - Gaurav Jain <gaurav.jain@nxp.com>
14 14
15 description: 15 description:
16 Node defines address range and the associate 16 Node defines address range and the associated interrupt for the SNVS function.
17 This function monitors security state inform 17 This function monitors security state information & reports security
18 violations. This also included rtc, system p 18 violations. This also included rtc, system power off and ON/OFF key.
19 19
20 properties: 20 properties:
21 compatible: 21 compatible:
22 oneOf: 22 oneOf:
23 - items: 23 - items:
24 - const: fsl,sec-v4.0-mon 24 - const: fsl,sec-v4.0-mon
25 - const: syscon 25 - const: syscon
26 - const: simple-mfd 26 - const: simple-mfd
27 - items: 27 - items:
28 - const: fsl,sec-v5.0-mon 28 - const: fsl,sec-v5.0-mon
29 - const: fsl,sec-v4.0-mon 29 - const: fsl,sec-v4.0-mon
30 - items: 30 - items:
31 - enum: 31 - enum:
32 - fsl,sec-v5.3-mon 32 - fsl,sec-v5.3-mon
33 - fsl,sec-v5.4-mon 33 - fsl,sec-v5.4-mon
34 - const: fsl,sec-v5.0-mon 34 - const: fsl,sec-v5.0-mon
35 - const: fsl,sec-v4.0-mon 35 - const: fsl,sec-v4.0-mon
36 36
37 reg: 37 reg:
38 maxItems: 1 38 maxItems: 1
39 39
40 interrupts: 40 interrupts:
41 maxItems: 2 41 maxItems: 2
42 42
43 snvs-rtc-lp: 43 snvs-rtc-lp:
44 type: object 44 type: object
45 additionalProperties: false 45 additionalProperties: false
46 description: 46 description:
47 Secure Non-Volatile Storage (SNVS) Low P 47 Secure Non-Volatile Storage (SNVS) Low Power (LP) RTC Node
48 48
49 properties: 49 properties:
50 compatible: 50 compatible:
51 const: fsl,sec-v4.0-mon-rtc-lp 51 const: fsl,sec-v4.0-mon-rtc-lp
52 52
53 clocks: 53 clocks:
54 maxItems: 1 54 maxItems: 1
55 55
56 clock-names: 56 clock-names:
57 const: snvs-rtc 57 const: snvs-rtc
58 58
59 interrupts: 59 interrupts:
60 # VFxxx has only one. What is the 2nd 60 # VFxxx has only one. What is the 2nd one?
61 minItems: 1 61 minItems: 1
62 maxItems: 2 62 maxItems: 2
63 63
64 regmap: 64 regmap:
65 description: Parent node containing re 65 description: Parent node containing registers
66 $ref: /schemas/types.yaml#/definitions 66 $ref: /schemas/types.yaml#/definitions/phandle
67 67
68 offset: 68 offset:
69 description: LP register offset 69 description: LP register offset
70 $ref: /schemas/types.yaml#/definitions 70 $ref: /schemas/types.yaml#/definitions/uint32
71 default: 0x34 71 default: 0x34
72 72
73 required: 73 required:
74 - compatible 74 - compatible
75 - interrupts 75 - interrupts
76 - regmap 76 - regmap
77 77
78 snvs-powerkey: 78 snvs-powerkey:
79 type: object 79 type: object
80 additionalProperties: false 80 additionalProperties: false
81 description: 81 description:
82 The snvs-pwrkey is designed to enable PO 82 The snvs-pwrkey is designed to enable POWER key function which controlled
83 by SNVS ONOFF, the driver can report the 83 by SNVS ONOFF, the driver can report the status of POWER key and wakeup
84 system if pressed after system suspend. 84 system if pressed after system suspend.
85 85
86 properties: 86 properties:
87 compatible: 87 compatible:
88 const: fsl,sec-v4.0-pwrkey 88 const: fsl,sec-v4.0-pwrkey
89 89
90 clocks: 90 clocks:
91 maxItems: 1 91 maxItems: 1
92 92
93 clock-names: 93 clock-names:
94 const: snvs-pwrkey 94 const: snvs-pwrkey
95 95
96 interrupts: 96 interrupts:
97 maxItems: 1 97 maxItems: 1
98 98
99 regmap: 99 regmap:
100 description: Parent node containing re 100 description: Parent node containing registers
101 $ref: /schemas/types.yaml#/definitions 101 $ref: /schemas/types.yaml#/definitions/phandle
102 102
103 wakeup-source: true 103 wakeup-source: true
104 104
105 linux,keycode: 105 linux,keycode:
106 $ref: /schemas/types.yaml#/definitions 106 $ref: /schemas/types.yaml#/definitions/uint32
107 default: 116 107 default: 116
108 deprecated: true 108 deprecated: true
109 109
110 linux,keycodes: 110 linux,keycodes:
111 maxItems: 1 111 maxItems: 1
112 default: 116 112 default: 116
113 113
114 required: 114 required:
115 - compatible 115 - compatible
116 - interrupts 116 - interrupts
117 - regmap 117 - regmap
118 118
119 snvs-lpgpr: 119 snvs-lpgpr:
120 $ref: /schemas/nvmem/snvs-lpgpr.yaml# 120 $ref: /schemas/nvmem/snvs-lpgpr.yaml#
121 121
122 snvs-poweroff: 122 snvs-poweroff:
123 description: 123 description:
124 The SNVS could drive signal to PMIC to t 124 The SNVS could drive signal to PMIC to turn off system power by setting
125 SNVS_LP LPCR register. 125 SNVS_LP LPCR register.
126 $ref: /schemas/power/reset/syscon-poweroff 126 $ref: /schemas/power/reset/syscon-poweroff.yaml#
127 127
128 required: 128 required:
129 - compatible 129 - compatible
130 - reg 130 - reg
131 131
132 additionalProperties: false 132 additionalProperties: false
133 133
134 examples: 134 examples:
135 - | 135 - |
136 #include <dt-bindings/interrupt-controller 136 #include <dt-bindings/interrupt-controller/arm-gic.h>
137 #include <dt-bindings/clock/imx7d-clock.h> 137 #include <dt-bindings/clock/imx7d-clock.h>
138 138
139 sec_mon: sec-mon@314000 { 139 sec_mon: sec-mon@314000 {
140 compatible = "fsl,sec-v4.0-mon", "sysc 140 compatible = "fsl,sec-v4.0-mon", "syscon", "simple-mfd";
141 reg = <0x314000 0x1000>; 141 reg = <0x314000 0x1000>;
142 142
143 snvs-rtc-lp { 143 snvs-rtc-lp {
144 compatible = "fsl,sec-v4.0-mon-rtc 144 compatible = "fsl,sec-v4.0-mon-rtc-lp";
145 regmap = <&sec_mon>; 145 regmap = <&sec_mon>;
146 offset = <0x34>; 146 offset = <0x34>;
147 clocks = <&clks IMX7D_SNVS_CLK>; 147 clocks = <&clks IMX7D_SNVS_CLK>;
148 clock-names = "snvs-rtc"; 148 clock-names = "snvs-rtc";
149 interrupts = <GIC_SPI 19 IRQ_TYPE_ 149 interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
150 <GIC_SPI 20 IRQ_TYPE_ 150 <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
151 }; 151 };
152 152
153 snvs-powerkey { 153 snvs-powerkey {
154 compatible = "fsl,sec-v4.0-pwrkey" 154 compatible = "fsl,sec-v4.0-pwrkey";
155 regmap = <&sec_mon>; 155 regmap = <&sec_mon>;
156 clocks = <&clks IMX7D_SNVS_CLK>; 156 clocks = <&clks IMX7D_SNVS_CLK>;
157 clock-names = "snvs-pwrkey"; 157 clock-names = "snvs-pwrkey";
158 interrupts = <GIC_SPI 4 IRQ_TYPE_L 158 interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
159 linux,keycode = <116>; /* KEY_POWE 159 linux,keycode = <116>; /* KEY_POWER */
160 wakeup-source; 160 wakeup-source;
161 }; 161 };
162 }; 162 };
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