Commit ac61cf8a authored by Florian Fainelli's avatar Florian Fainelli

dt-bindings: Add documentation for the BCM63138 timer and syscon-reboot

A timer node and a syscon-reboot node are required for software reboot
to work on BCM63138, document these two nodes in the platform binding.
Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
parent 592e2ddf
...@@ -49,3 +49,37 @@ Example: ...@@ -49,3 +49,37 @@ Example:
compatible = "brcm,bcm63138-bootlut"; compatible = "brcm,bcm63138-bootlut";
reg = <0x8000 0x50>; reg = <0x8000 0x50>;
}; };
=======
reboot
------
Two nodes are required for software reboot: a timer node and a syscon-reboot node.
Timer node:
- compatible: Must be "brcm,bcm6328-timer", "syscon"
- reg: Register base address and length
Syscon reboot node:
See Documentation/devicetree/bindings/power/reset/syscon-reboot.txt for the
detailed list of properties, the two values defined below are specific to the
BCM6328-style timer:
- offset: Should be 0x34 to denote the offset of the TIMER_WD_TIMER_RESET register
from the beginning of the TIMER block
- mask: Should be 1 for the SoftRst bit.
Example:
timer: timer@80 {
compatible = "brcm,bcm6328-timer", "syscon";
reg = <0x80 0x3c>;
};
reboot {
compatible = "syscon-reboot";
regmap = <&timer>;
offset = <0x34>;
mask = <0x1>;
};
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment