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 <<
107 default: 116 <<
108 deprecated: true <<
109 <<
110 linux,keycodes: <<
111 maxItems: 1 <<
112 default: 116 106 default: 116
113 107
114 required: 108 required:
115 - compatible 109 - compatible
116 - interrupts 110 - interrupts
117 - regmap 111 - regmap
118 112
119 snvs-lpgpr: 113 snvs-lpgpr:
120 $ref: /schemas/nvmem/snvs-lpgpr.yaml# 114 $ref: /schemas/nvmem/snvs-lpgpr.yaml#
121 115
122 snvs-poweroff: 116 snvs-poweroff:
123 description: 117 description:
124 The SNVS could drive signal to PMIC to t 118 The SNVS could drive signal to PMIC to turn off system power by setting
125 SNVS_LP LPCR register. 119 SNVS_LP LPCR register.
126 $ref: /schemas/power/reset/syscon-poweroff 120 $ref: /schemas/power/reset/syscon-poweroff.yaml#
127 121
128 required: 122 required:
129 - compatible 123 - compatible
130 - reg 124 - reg
131 125
132 additionalProperties: false 126 additionalProperties: false
133 127
134 examples: 128 examples:
135 - | 129 - |
136 #include <dt-bindings/interrupt-controller 130 #include <dt-bindings/interrupt-controller/arm-gic.h>
137 #include <dt-bindings/clock/imx7d-clock.h> 131 #include <dt-bindings/clock/imx7d-clock.h>
138 132
139 sec_mon: sec-mon@314000 { 133 sec_mon: sec-mon@314000 {
140 compatible = "fsl,sec-v4.0-mon", "sysc 134 compatible = "fsl,sec-v4.0-mon", "syscon", "simple-mfd";
141 reg = <0x314000 0x1000>; 135 reg = <0x314000 0x1000>;
142 136
143 snvs-rtc-lp { 137 snvs-rtc-lp {
144 compatible = "fsl,sec-v4.0-mon-rtc 138 compatible = "fsl,sec-v4.0-mon-rtc-lp";
145 regmap = <&sec_mon>; 139 regmap = <&sec_mon>;
146 offset = <0x34>; 140 offset = <0x34>;
147 clocks = <&clks IMX7D_SNVS_CLK>; 141 clocks = <&clks IMX7D_SNVS_CLK>;
148 clock-names = "snvs-rtc"; 142 clock-names = "snvs-rtc";
149 interrupts = <GIC_SPI 19 IRQ_TYPE_ 143 interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
150 <GIC_SPI 20 IRQ_TYPE_ 144 <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
151 }; 145 };
152 146
153 snvs-powerkey { 147 snvs-powerkey {
154 compatible = "fsl,sec-v4.0-pwrkey" 148 compatible = "fsl,sec-v4.0-pwrkey";
155 regmap = <&sec_mon>; 149 regmap = <&sec_mon>;
156 clocks = <&clks IMX7D_SNVS_CLK>; 150 clocks = <&clks IMX7D_SNVS_CLK>;
157 clock-names = "snvs-pwrkey"; 151 clock-names = "snvs-pwrkey";
158 interrupts = <GIC_SPI 4 IRQ_TYPE_L 152 interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
159 linux,keycode = <116>; /* KEY_POWE 153 linux,keycode = <116>; /* KEY_POWER */
160 wakeup-source; 154 wakeup-source;
161 }; 155 };
162 }; 156 };
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