xref: /kernel/linux/linux-5.10/Documentation/devicetree/bindings/nvmem/rockchip-efuse.yaml

# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/nvmem/rockchip-efuse.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Rockchip eFuse device tree bindings

maintainers:
  - Heiko Stuebner <heiko@sntech.de>

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

properties:
  compatible:
    enum:
      - rockchip,rk3066a-efuse
      - rockchip,rk3188-efuse
      - rockchip,rk3228-efuse
      - rockchip,rk3288-efuse
      - rockchip,rk3328-efuse
      - rockchip,rk3368-efuse
      - rockchip,rk3399-efuse

      # Deprecated: old compatible value for rk3066a, rk3188 and rk3288
      - rockchip,rockchip-efuse

  reg:
    description:
      Registers location and eFuse size.
    maxItems: 1

  clocks:
    description:
      eFuse clock id.
    maxItems: 1

  clock-names:
    const: pclk_efuse

  rockchip,efuse-size:
    description:
      eFuse size in bytes. The eFuse size in property <reg> will be invalid if
      this property is defined.
    $ref: /schemas/types.yaml#/definitions/uint32

required:
  - compatible
  - reg
  - clocks
  - clock-names

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/rk3288-cru.h>
    efuse: efuse@ffb40000 {
            compatible = "rockchip,rk3288-efuse";
            reg = <0xffb40000 0x20>;
            #address-cells = <1>;
            #size-cells = <1>;
            clocks = <&cru PCLK_EFUSE256>;
            clock-names = "pclk_efuse";

            /* Data cells */
            cpu_leakage: cpu_leakage@17 {
                    reg = <0x17 0x1>;
            };
    };
...