On 27/02/2022 12:57, Sven Peter wrote: > Apple SoCs come with eFuses used to store factory-programmed data > such as calibration settings for the PCIe and Type-C PHY. > > Signed-off-by: Sven Peter <sven@xxxxxxxxxxxxx> > --- > .../bindings/nvmem/apple,efuses.yaml | 50 +++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 51 insertions(+) > create mode 100644 Documentation/devicetree/bindings/nvmem/apple,efuses.yaml > > diff --git a/Documentation/devicetree/bindings/nvmem/apple,efuses.yaml b/Documentation/devicetree/bindings/nvmem/apple,efuses.yaml > new file mode 100644 > index 000000000000..a735d54856ae > --- /dev/null > +++ b/Documentation/devicetree/bindings/nvmem/apple,efuses.yaml > @@ -0,0 +1,50 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/nvmem/apple,efuses.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Apple SoC eFuse-based NVMEM > + > +description: | > + Apple SoCs such as the M1 contain factory-programmed eFuses used to e.g. store > + calibration data for the PCIe and the Type-C PHY or unique chip identifiers such > + as the ECID. > + > +maintainers: > + - Sven Peter <sven@xxxxxxxxxxxxx> > + > +allOf: > + - $ref: "nvmem.yaml#" > + > +properties: > + compatible: > + items: > + - enum: > + - apple,t8103-efuses > + - apple,t6000-efuses > + - const: apple,efuses > + > + reg: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + > +unevaluatedProperties: false > + > +examples: > + - | > + efuse@3d2bc000 { > + compatible = "apple,t8103-efuses", "apple,efuses"; > + reg = <0x3d2bc000 0x1000>; > + #address-cells = <1>; > + #size-cells = <1>; > + > + ecid: efuse@500 { > + reg = <0x500 0x8>; Mismatched indentation. Rest looks good. Best regards, Krzysztof
