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dt-bindings: usb: mtk-xhci: add an optional xhci_ck clock 

Add a new optional clock xhci_ck

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1566542425-20082-1-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
alistair/sunxi64-5.4-dsi
Chunfeng Yun 2019-08-23 14:40:24 +08:00 committed by Greg Kroah-Hartman
parent cdfee56232
commit e74e8bbff6
1 changed files with 3 additions and 2 deletions
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5
Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
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@ -30,7 +30,8 @@ Required properties:
the following ones are optional:
"ref_ck": reference clock used by low power mode etc,
"mcu_ck": mcu_bus clock for register access,
"dma_ck": dma_bus clock for data transfer by DMA
"dma_ck": dma_bus clock for data transfer by DMA,
"xhci_ck": controller clock
- phys : see usb-hcd.txt in the current directory
@ -100,7 +101,7 @@ Required properties:
- clocks : a list of phandle + clock-specifier pairs, one for each
entry in clock-names
- clock-names : must contain "sys_ck", and the following ones are optional:
"ref_ck", "mcu_ck" and "dma_ck"
"ref_ck", "mcu_ck" and "dma_ck", "xhci_ck"
Optional properties:
- vbus-supply : reference to the VBUS regulator;