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dt-bindings: spmi: Add Apple SPMI NVMEM

Add bindings for exposing SPMI registers of Apple PMICs as NVMEM cells

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Srinivas Kandagatla <srini@kernel.org>
Link: https://lore.kernel.org/r/20250509122452.11827-3-srini@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

authored by

Sasha Finkelstein and committed by
Greg Kroah-Hartman 48332454 01465f29

+55
+54
Documentation/devicetree/bindings/nvmem/apple,spmi-nvmem.yaml
··· 1 + # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2 + %YAML 1.2 3 + --- 4 + $id: http://devicetree.org/schemas/nvmem/apple,spmi-nvmem.yaml# 5 + $schema: http://devicetree.org/meta-schemas/core.yaml# 6 + 7 + title: Apple SPMI NVMEM 8 + 9 + description: Exports a series of SPMI registers as NVMEM cells 10 + 11 + maintainers: 12 + - Sasha Finkelstein <fnkl.kernel@gmail.com> 13 + 14 + allOf: 15 + - $ref: nvmem.yaml# 16 + 17 + properties: 18 + compatible: 19 + items: 20 + - enum: 21 + - apple,maverick-pmic 22 + - apple,sera-pmic 23 + - apple,stowe-pmic 24 + - const: apple,spmi-nvmem 25 + 26 + reg: 27 + maxItems: 1 28 + 29 + required: 30 + - compatible 31 + - reg 32 + 33 + unevaluatedProperties: false 34 + 35 + examples: 36 + - | 37 + #include <dt-bindings/spmi/spmi.h> 38 + 39 + pmic@f { 40 + compatible = "apple,maverick-pmic", "apple,spmi-nvmem"; 41 + reg = <0xf SPMI_USID>; 42 + 43 + nvmem-layout { 44 + compatible = "fixed-layout"; 45 + #address-cells = <1>; 46 + #size-cells = <1>; 47 + 48 + boot_stage: boot-stage@6001 { 49 + reg = <0x6001 0x1>; 50 + }; 51 + }; 52 + }; 53 + 54 + ...
+1
MAINTAINERS
··· 2277 2277 F: Documentation/devicetree/bindings/net/bluetooth/brcm,bcm4377-bluetooth.yaml 2278 2278 F: Documentation/devicetree/bindings/nvme/apple,nvme-ans.yaml 2279 2279 F: Documentation/devicetree/bindings/nvmem/apple,efuses.yaml 2280 + F: Documentation/devicetree/bindings/nvmem/apple,spmi-nvmem.yaml 2280 2281 F: Documentation/devicetree/bindings/pci/apple,pcie.yaml 2281 2282 F: Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml 2282 2283 F: Documentation/devicetree/bindings/power/apple*