forked from Minki/linux
9d2ea95a59
The broken-idle option can be activated from the coherency-fabric DT node. This property allows to disable the idle capability, when the hardware doesn't support it, like the Seagate Personal Cloud boards. Signed-off-by: Vincent Donnefort <vdonnefort@gmail.com> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
49 lines
1.2 KiB
Plaintext
49 lines
1.2 KiB
Plaintext
Coherency fabric
|
|
----------------
|
|
Available on Marvell SOCs: Armada 370, Armada 375, Armada 38x and Armada XP
|
|
|
|
Required properties:
|
|
|
|
- compatible: the possible values are:
|
|
|
|
* "marvell,coherency-fabric", to be used for the coherency fabric of
|
|
the Armada 370 and Armada XP.
|
|
|
|
* "marvell,armada-375-coherency-fabric", for the Armada 375 coherency
|
|
fabric.
|
|
|
|
* "marvell,armada-380-coherency-fabric", for the Armada 38x coherency
|
|
fabric.
|
|
|
|
- reg: Should contain coherency fabric registers location and
|
|
length.
|
|
|
|
* For "marvell,coherency-fabric", the first pair for the coherency
|
|
fabric registers, second pair for the per-CPU fabric registers.
|
|
|
|
* For "marvell,armada-375-coherency-fabric", only one pair is needed
|
|
for the per-CPU fabric registers.
|
|
|
|
* For "marvell,armada-380-coherency-fabric", only one pair is needed
|
|
for the per-CPU fabric registers.
|
|
|
|
Optional properties:
|
|
|
|
- broken-idle: boolean to set when the Idle mode is not supported by the
|
|
hardware.
|
|
|
|
Examples:
|
|
|
|
coherency-fabric@d0020200 {
|
|
compatible = "marvell,coherency-fabric";
|
|
reg = <0xd0020200 0xb0>,
|
|
<0xd0021810 0x1c>;
|
|
|
|
};
|
|
|
|
coherency-fabric@21810 {
|
|
compatible = "marvell,armada-375-coherency-fabric";
|
|
reg = <0x21810 0x1c>;
|
|
};
|
|
|