[PATCH 2/2] Documentation: bindings: add doc for the Berlin USB PHY

[Sebastian Hesselbarth <sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

From: Antoine Tenart <antoine.tenart-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>

Document the bindings of the Marvell Berlin USB PHY driver.

Signed-off-by: Antoine Tenart <antoine.tenart-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
---
Split-off patches from latest Berlin USB PHY patches
  https://lkml.kernel.org/g/1416231347-27193-1-git-send-email-antoine.tenart-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org

Cc: Kishon Vijay Abraham I <kishon-l0cyMroinI0@public.gmane.org>
Cc: Grant Likely <grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Antoine Tenart <antoine.tenart-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
---
 .../devicetree/bindings/phy/berlin-usb-phy.txt     |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/phy/berlin-usb-phy.txt

diff --git a/Documentation/devicetree/bindings/phy/berlin-usb-phy.txt b/Documentation/devicetree/bindings/phy/berlin-usb-phy.txt
new file mode 100644
index 0000000..be33780
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/berlin-usb-phy.txt
@@ -0,0 +1,16 @@
+* Marvell Berlin USB PHY
+
+Required properties:
+- compatible: "marvell,berlin2-usb-phy" or "marvell,berlin2cd-usb-phy"
+- reg: base address and length of the registers
+- #phys-cells: should be 0
+- resets: reference to the reset controller
+
+Example:
+
+	usb-phy@f774000 {
+		compatible = "marvell,berlin2-usb-phy";
+		reg = <0xf774000 0x128>;
+		#phy-cells = <0>;
+		resets = <&chip 0x104 14>;
+	};
-- 
1.7.2.5

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