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-rw-r--r--doc/device-tree-bindings/reboot-mode/reboot-mode-rtc.txt22
1 files changed, 22 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/reboot-mode/reboot-mode-rtc.txt b/doc/device-tree-bindings/reboot-mode/reboot-mode-rtc.txt
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+RTC Reboot Mode Configuration
+
+Required Properties:
+- compatible: must be "reboot-mode-rtc".
+- rtc: reference to the rtc device used.
+- reg: start register and the number of bytes used. Maximum 4 bytes supported.
+- modes: list of properties that define the modes and associated unique ids.
+
+Optional Properties:
+- u-boot,env-variable: used to save the reboot mode (default: reboot-mode).
+- big-endian: if the magic value is stored in big-endian. (default: false).
+
+Example:
+ reboot-mode-rtc {
+ compatible = "reboot-mode-rtc";
+ rtc = <&rtc_0>;
+ reg = <0x14 4>;
+ u-boot,env-variable = "bootstatus";
+ big-endian;
+ modes-test = <0x21969147>;
+ modes-download = <0x51939147>;
+ };