Add devicetree binding document for rockchip reboot nofifier driver
Signed-off-by: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
---
Changes in v3:
- add dt binding
Changes in v2: None
.../bindings/soc/rockchip/rockchip-reboot.txt | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/rockchip/rockchip-reboot.txt
diff --git a/Documentation/devicetree/bindings/soc/rockchip/rockchip-reboot.txt b/Documentation/devicetree/bindings/soc/rockchip/rockchip-reboot.txt
new file mode 100644
index 0000000..6f69c8d
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/rockchip/rockchip-reboot.txt
@@ -0,0 +1,18 @@
+Rockchip reboot notifier driver
+
+This driver get reboot mode arguments from userspace
+and stores it in special register. Then the bootloader
+will read it and take different action according the
+argument stored.
+
+Required properties:
+- compatible: should be "rockchip,reboot"
+- regmap: this is phandle to the register map node
+- offset: offset in the register map for the storage register (in bytes)
+
+Examples:
+ reboot {
+ compatible = "rockchip,reboot";
+ regmap = <&pmu>;
+ offset = <0x94>;
+ };
--
1.9.1
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