Add the reset binding documentation to the SoC binding documentation as
the reset driver in Marvell Berlin SoC is part of the chip/system
control registers. This patch adds the required properties to configure
the reset controller.
Signed-off-by: Antoine Ténart <antoine.tenart@xxxxxxxxxxxxxxxxxx>
Acked-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/arm/marvell,berlin.txt | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/marvell,berlin.txt b/Documentation/devicetree/bindings/arm/marvell,berlin.txt
index 94013a9a8769..32a1a8a652ad 100644
--- a/Documentation/devicetree/bindings/arm/marvell,berlin.txt
+++ b/Documentation/devicetree/bindings/arm/marvell,berlin.txt
@@ -90,11 +90,21 @@ Required subnode-properties:
- groups: a list of strings describing the group names.
- function: a string describing the function used to mux the groups.
+* Reset controller binding
+
+A reset controller is part of the chip control registers set. The chip control
+node also provides the reset. The register set is not at the same offset between
+Berlin SoCs.
+
+Required property:
+- #reset-cells: must be set to 2
+
Example:
chip: chip-control@ea0000 {
compatible = "marvell,berlin2-chip-ctrl";
#clock-cells = <1>;
+ #reset-cells = <2>;
reg = <0xea0000 0x400>;
clocks = <&refclk>, <&externaldev 0>;
clock-names = "refclk", "video_ext0";
--
1.9.1
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