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usb: gadget: at91_udc: Document DT clocks and clock-names property

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The at91_udc driver request 2 clocks, and thus need them to be defined in
the device tree.
Document the clocks and clock-names properties so that everybody use the
correct names.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This commit is contained in:
Boris Brezillon 2015-01-14 17:21:59 +01:00 committed by Nicolas Ferre
parent 9aa0216550
commit 31b817bc82
1 changed files with 4 additions and 0 deletions
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4
Documentation/devicetree/bindings/usb/atmel-usb.txt
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@ -36,6 +36,10 @@ Required properties:
- compatible: Should be "atmel,at91rm9200-udc"
- reg: Address and length of the register set for the device
- interrupts: Should contain macb interrupt
- clocks: Should reference the peripheral and the AHB clocks
- clock-names: Should contains two strings
"pclk" for the peripheral clock
"hclk" for the AHB clock
Optional properties:
- atmel,vbus-gpio: If present, specifies a gpio that needs to be