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-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/nvmem/st,stm32-romem.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: STMicroelectronics STM32 Factory-programmed data bindings
8
9description: |
10 This represents STM32 Factory-programmed read only non-volatile area: locked
11 flash, OTP, read-only HW regs... This contains various information such as:
12 analog calibration data for temperature sensor (e.g. TS_CAL1, TS_CAL2),
13 internal vref (VREFIN_CAL), unique device ID...
14
15maintainers:
16 - Fabrice Gasnier <fabrice.gasnier@st.com>
17
18allOf:
19 - $ref: "nvmem.yaml#"
20
21properties:
22 compatible:
23 enum:
24 - st,stm32f4-otp
25 - st,stm32mp15-bsec
26
27patternProperties:
28 "^.*@[0-9a-f]+$":
29 type: object
30
31 properties:
32 st,non-secure-otp:
33 description: |
34 This property explicits a factory programmed area that both secure
35 and non-secure worlds can access. It is needed when, by default, the
36 related area can only be reached by the secure world.
37 type: boolean
38
39required:
40 - "#address-cells"
41 - "#size-cells"
42 - compatible
43 - reg
44
45unevaluatedProperties: false
46
47examples:
48 - |
49 efuse@1fff7800 {
50 compatible = "st,stm32f4-otp";
51 reg = <0x1fff7800 0x400>;
52 #address-cells = <1>;
53 #size-cells = <1>;
54
55 calib@22c {
56 reg = <0x22c 0x2>;
57 };
58
59 mac_addr@e4 {
60 reg = <0xe4 0x8>;
61 st,non-secure-otp;
62 };
63 };
64
65...