[PATCH v2 2/6] doc: dt-binding: ci-hdrc-usb2: add i.mx specific binding "need-three-clocks"
From: Peter Chen <hidden>
Date: 2015-09-16 05:20:45
Subsystem:
open firmware and flattened device tree bindings, the rest, usb subsystem · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman
Some SoCs needs three clock to let controller work, but others only need one, add one property to differentiate this. Signed-off-by: Peter Chen <redacted> --- Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
index f15a317..f405452 100644
--- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
+++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt@@ -54,6 +54,9 @@ i.mx specific properties argument that indicate usb controller index - disable-over-current: disable over current detect - external-vbus-divider: enables off-chip resistor divider for Vbus +- need-three-clocks: the SoC before imx6 series (except for imx23/imx28) + needs three clcoks for controller, others only need one. Without this + property, the driver will consider the controller only needs one clock. Example:
--
1.9.1
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