[PATCH v6 05/10] mfd: omap-usb-tll: Update DT clock binding information

[Roger Quadros <rogerq-l0cyMroinI0@public.gmane.org>]

The omap-usb-tll driver needs one clock for each TLL channel.
Add this information to the DT binding document.

CC: Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
CC: Samuel Ortiz <sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Signed-off-by: Roger Quadros <rogerq-l0cyMroinI0@public.gmane.org>
---
 Documentation/devicetree/bindings/mfd/omap-usb-tll.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/omap-usb-tll.txt b/Documentation/devicetree/bindings/mfd/omap-usb-tll.txt
index 62fe697..c58d704 100644
--- a/Documentation/devicetree/bindings/mfd/omap-usb-tll.txt
+++ b/Documentation/devicetree/bindings/mfd/omap-usb-tll.txt
@@ -7,6 +7,16 @@ Required properties:
 - interrupts : should contain the TLL module's interrupt
 - ti,hwmod : must contain "usb_tll_hs"
 
+Optional properties:
+
+- clocks: a list of phandles and clock-specifier pairs, one for each entry in
+  clock-names.
+
+- clock-names: should include:
+  * "usb_tll_hs_usb_ch0_clk" - USB TLL channel 0 clock
+  * "usb_tll_hs_usb_ch1_clk" - USB TLL channel 1 clock
+  * "usb_tll_hs_usb_ch2_clk" - USB TLL channel 2 clock
+
 Example:
 
 	usbhstll: usbhstll@4a062000 {
-- 
1.8.3.2

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