From cba155e50a117465b64e197e197aedc18770c4cd Mon Sep 17 00:00:00 2001 From: Han Nandor Date: Wed, 15 May 2019 10:47:15 +0000 Subject: dt-bindings: power: reset: add document for NVMEM based reboot-mode Add the device tree bindings document for the NVMEM based reboot-mode driver. Signed-off-by: Nandor Han Reviewed-by: Rob Herring Signed-off-by: Sebastian Reichel --- .../bindings/power/reset/nvmem-reboot-mode.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.txt (limited to 'Documentation/devicetree/bindings/power') diff --git a/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.txt b/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.txt new file mode 100644 index 000000000000..752d6126d5da --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.txt @@ -0,0 +1,26 @@ +NVMEM reboot mode driver + +This driver gets reboot mode magic value from reboot-mode driver +and stores it in a NVMEM cell named "reboot-mode". Then the bootloader +can read it and take different action according to the magic +value stored. + +Required properties: +- compatible: should be "nvmem-reboot-mode". +- nvmem-cells: A phandle to the reboot mode provided by a nvmem device. +- nvmem-cell-names: Should be "reboot-mode". + +The rest of the properties should follow the generic reboot-mode description +found in reboot-mode.txt + +Example: + reboot-mode { + compatible = "nvmem-reboot-mode"; + nvmem-cells = <&reboot_mode>; + nvmem-cell-names = "reboot-mode"; + + mode-normal = <0xAAAA5501>; + mode-bootloader = <0xBBBB5500>; + mode-recovery = <0xCCCC5502>; + mode-test = <0xDDDD5503>; + }; -- cgit v1.2.3