tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/nvmem/rockchip,otp.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Rockchip internal OTP (One Time Programmable) memory
8
9maintainers:
10 - Heiko Stuebner <heiko@sntech.de>
11
12properties:
13 compatible:
14 enum:
15 - rockchip,px30-otp
16 - rockchip,rk3308-otp
17 - rockchip,rk3576-otp
18 - rockchip,rk3588-otp
19
20 reg:
21 maxItems: 1
22
23 clocks:
24 minItems: 3
25 maxItems: 4
26
27 clock-names:
28 minItems: 3
29 items:
30 - const: otp
31 - const: apb_pclk
32 - const: phy
33 - const: arb
34
35 resets:
36 minItems: 1
37 maxItems: 3
38
39 reset-names:
40 minItems: 1
41 maxItems: 3
42
43required:
44 - compatible
45 - reg
46 - clocks
47 - clock-names
48 - resets
49 - reset-names
50
51allOf:
52 - $ref: nvmem.yaml#
53 - $ref: nvmem-deprecated-cells.yaml#
54
55 - if:
56 properties:
57 compatible:
58 contains:
59 enum:
60 - rockchip,px30-otp
61 - rockchip,rk3308-otp
62 then:
63 properties:
64 clocks:
65 maxItems: 3
66 clock-names:
67 maxItems: 3
68 resets:
69 maxItems: 1
70 reset-names:
71 items:
72 - const: phy
73
74 - if:
75 properties:
76 compatible:
77 contains:
78 enum:
79 - rockchip,rk3576-otp
80 then:
81 properties:
82 clocks:
83 maxItems: 3
84 clock-names:
85 maxItems: 3
86 resets:
87 minItems: 2
88 maxItems: 2
89 reset-names:
90 items:
91 - const: otp
92 - const: apb
93
94 - if:
95 properties:
96 compatible:
97 contains:
98 enum:
99 - rockchip,rk3588-otp
100 then:
101 properties:
102 clocks:
103 minItems: 4
104 clock-names:
105 minItems: 4
106 resets:
107 minItems: 3
108 reset-names:
109 items:
110 - const: otp
111 - const: apb
112 - const: arb
113
114unevaluatedProperties: false
115
116examples:
117 - |
118 #include <dt-bindings/clock/px30-cru.h>
119
120 soc {
121 #address-cells = <2>;
122 #size-cells = <2>;
123
124 otp: efuse@ff290000 {
125 compatible = "rockchip,px30-otp";
126 reg = <0x0 0xff290000 0x0 0x4000>;
127 clocks = <&cru SCLK_OTP_USR>, <&cru PCLK_OTP_NS>,
128 <&cru PCLK_OTP_PHY>;
129 clock-names = "otp", "apb_pclk", "phy";
130 resets = <&cru SRST_OTP_PHY>;
131 reset-names = "phy";
132 #address-cells = <1>;
133 #size-cells = <1>;
134
135 cpu_id: id@7 {
136 reg = <0x07 0x10>;
137 };
138
139 cpu_leakage: cpu-leakage@17 {
140 reg = <0x17 0x1>;
141 };
142
143 performance: performance@1e {
144 reg = <0x1e 0x1>;
145 bits = <4 3>;
146 };
147 };
148 };