# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/nvmem/st,stm32-romem.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: STMicroelectronics STM32 Factory-programmed data bindings

description: |
  This represents STM32 Factory-programmed read only non-volatile area: locked
  flash, OTP, read-only HW regs... This contains various information such as:
  analog calibration data for temperature sensor (e.g. TS_CAL1, TS_CAL2),
  internal vref (VREFIN_CAL), unique device ID...

maintainers:
  - Fabrice Gasnier <fabrice.gasnier@st.com>

allOf:
  - $ref: "nvmem.yaml#"

properties:
  compatible:
    enum:
      - st,stm32f4-otp
      - st,stm32mp15-bsec

required:
  - "#address-cells"
  - "#size-cells"
  - compatible
  - reg

examples:
  - |
    efuse@1fff7800 {
      compatible = "st,stm32f4-otp";
      reg = <0x1fff7800 0x400>;
      #address-cells = <1>;
      #size-cells = <1>;

      calib@22c {
        reg = <0x22c 0x2>;
      };
    };

...
