| Message ID | 20220227115743.69059-1-sven@svenpeter.dev |
|---|---|
| State | New |
| Headers | show |
| Series | [1/2] dt-bindings: nvmem: Add apple,efuses | expand |
On Thu, Mar 3, 2022, at 19:00, Krzysztof Kozlowski wrote: > 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@svenpeter.dev> >> --- >> .../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@svenpeter.dev> >> + >> +allOf: >> + - $ref: "nvmem.yaml#" >> + >> +properties: >> + compatible: >> + items: >> + - enum: >> + - apple,t8103-efuses >> + - apple,t6000-efuses >> + - const: apple,efuses >> + >> + reg: >> + maxItems: 1 >> + >> +required: >> + - compatible >> + - reg >> + >> +unevaluatedProperties: false >> + >> +examples: >> + - | >> + efuse@3d2bc000 { >> + compatible = "apple,t8103-efuses", "apple,efuses"; >> + reg = <0x3d2bc000 0x1000>; >> + #address-cells = <1>; >> + #size-cells = <1>; >> + >> + ecid: efuse@500 { >> + reg = <0x500 0x8>; > > Mismatched indentation. Rest looks good. Good catch, thanks! Will fix it for v2. Best, Sven
diff --git a/Documentation/devicetree/bindings/nvmem/apple,efuses.yaml b/Documentation/devicetree/bindings/nvmem/apple,efuses.yaml new file mode 100644 index 000000000000..a735d54856ae --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/apple,efuses.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$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@svenpeter.dev> + +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>; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 2524b75763cd..1bc57af09c80 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1771,6 +1771,7 @@ F: Documentation/devicetree/bindings/arm/apple/* F: Documentation/devicetree/bindings/i2c/apple,i2c.yaml F: Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml F: Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml +F: Documentation/devicetree/bindings/nvmem/apple,efuses.yaml F: Documentation/devicetree/bindings/pci/apple,pcie.yaml F: Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml F: Documentation/devicetree/bindings/power/apple*
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@svenpeter.dev> --- .../bindings/nvmem/apple,efuses.yaml | 50 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/apple,efuses.yaml