1*0262fa16SBartosz Golaszewski# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*0262fa16SBartosz Golaszewski%YAML 1.2 3*0262fa16SBartosz Golaszewski--- 4*0262fa16SBartosz Golaszewski$id: http://devicetree.org/schemas/power/reset/nvmem-reboot-mode.yaml# 5*0262fa16SBartosz Golaszewski$schema: http://devicetree.org/meta-schemas/core.yaml# 6*0262fa16SBartosz Golaszewski 7*0262fa16SBartosz Golaszewskititle: Generic NVMEM reboot mode 8*0262fa16SBartosz Golaszewski 9*0262fa16SBartosz Golaszewskimaintainers: 10*0262fa16SBartosz Golaszewski - Bartosz Golaszewski <bartosz.golaszewski@linaro.org> 11*0262fa16SBartosz Golaszewski 12*0262fa16SBartosz Golaszewskidescription: 13*0262fa16SBartosz Golaszewski This driver gets the reboot mode magic value from the reboot-mode driver 14*0262fa16SBartosz Golaszewski and stores it in the NVMEM cell named "reboot-mode". The bootloader can 15*0262fa16SBartosz Golaszewski then read it and take different action according to the value. 16*0262fa16SBartosz Golaszewski 17*0262fa16SBartosz Golaszewskiproperties: 18*0262fa16SBartosz Golaszewski compatible: 19*0262fa16SBartosz Golaszewski const: nvmem-reboot-mode 20*0262fa16SBartosz Golaszewski 21*0262fa16SBartosz Golaszewski nvmem-cells: 22*0262fa16SBartosz Golaszewski description: 23*0262fa16SBartosz Golaszewski A phandle pointing to the nvmem-cells node where the vendor-specific 24*0262fa16SBartosz Golaszewski magic value representing the reboot mode is stored. 25*0262fa16SBartosz Golaszewski maxItems: 1 26*0262fa16SBartosz Golaszewski 27*0262fa16SBartosz Golaszewski nvmem-cell-names: 28*0262fa16SBartosz Golaszewski items: 29*0262fa16SBartosz Golaszewski - const: reboot-mode 30*0262fa16SBartosz Golaszewski 31*0262fa16SBartosz GolaszewskipatternProperties: 32*0262fa16SBartosz Golaszewski "^mode-.+": 33*0262fa16SBartosz Golaszewski $ref: /schemas/types.yaml#/definitions/uint32 34*0262fa16SBartosz Golaszewski description: Vendor-specific mode value written to the mode register 35*0262fa16SBartosz Golaszewski 36*0262fa16SBartosz Golaszewskirequired: 37*0262fa16SBartosz Golaszewski - compatible 38*0262fa16SBartosz Golaszewski - nvmem-cells 39*0262fa16SBartosz Golaszewski - nvmem-cell-names 40*0262fa16SBartosz Golaszewski 41*0262fa16SBartosz GolaszewskiadditionalProperties: false 42*0262fa16SBartosz Golaszewski 43*0262fa16SBartosz Golaszewskiexamples: 44*0262fa16SBartosz Golaszewski - | 45*0262fa16SBartosz Golaszewski reboot-mode { 46*0262fa16SBartosz Golaszewski compatible = "nvmem-reboot-mode"; 47*0262fa16SBartosz Golaszewski nvmem-cells = <&reboot_reason>; 48*0262fa16SBartosz Golaszewski nvmem-cell-names = "reboot-mode"; 49*0262fa16SBartosz Golaszewski mode-recovery = <0x01>; 50*0262fa16SBartosz Golaszewski mode-bootloader = <0x02>; 51*0262fa16SBartosz Golaszewski }; 52*0262fa16SBartosz Golaszewski... 53