[PATCH v1 2/6] dt-bindings: soc: add document for rockchip reboot-mode driver

[Andy Yan]

Add device tree binding document for rockchip reboot-mode driver

Signed-off-by: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
---

Changes in v1: None

 .../bindings/soc/rockchip/rockchip,reboot-mode.txt | 39 ++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/rockchip/rockchip,reboot-mode.txt

diff --git a/Documentation/devicetree/bindings/soc/rockchip/rockchip,reboot-mode.txt b/Documentation/devicetree/bindings/soc/rockchip/rockchip,reboot-mode.txt
new file mode 100644
index 0000000..cdb5093
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/rockchip/rockchip,reboot-mode.txt
@@ -0,0 +1,39 @@
+Rockchip reboot mode 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-mode"
+- regmap: this is phandle to the register map node
+- offset: offset in the register map for the storage register (in bytes)
+The rest of the properties should follow the generic reboot-mode discription
+found in ../../misc/reboot-mode.txt
+
+Examples:
+	reboot_mode {
+		compatible = "rockchip,reboot-mode";
+		rockchip,regmap = <&pmu>;
+		offset = <0x40>;
+		loader {
+			linux,mode = "loader";
+			linux,magic = <BOOT_LOADER>;
+		};
+
+		maskrom {
+			linux,mode = "maskrom";
+			linux,magic = <BOOT_MASKROM>;
+		};
+
+		recovery {
+			linux,mode = "recovery";
+			linux,magic = <BOOT_RECOVERY>;
+		};
+
+		fastboot {
+			linux,mode = "fastboot";
+			linux,magic = <BOOT_FASTBOOT>;
+		};
+	};
-- 
1.9.1


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