Re: [RESEND PATCH v2 1/2] Documentation: dt: dwc2: amend clocks property

[Rob Herring]

On Fri, Feb 10, 2017 at 11:06:26AM +0800, Frank Wang wrote:
> Move 'clocks' to optional properties since not every platform
> is going to need to specify it and add pmu/utmi/ulpi/utmifs
> optional clocks into 'clock-names' list.
> 
> Signed-off-by: Frank Wang 
> ---
>  Documentation/devicetree/bindings/usb/dwc2.txt | 13 ++---
>  1 file changed, 10 insertions(+), 3 deletions(-)

Acked-by: Rob Herring  

It would be good to get some acks from others familar with this block.

Rob
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[RESEND PATCH v2 1/2] Documentation: dt: dwc2: amend clocks property

[Frank Wang]

Move 'clocks' to optional properties since not every platform
is going to need to specify it and add pmu/utmi/ulpi/utmifs
optional clocks into 'clock-names' list.

Signed-off-by: Frank Wang 
---
 Documentation/devicetree/bindings/usb/dwc2.txt | 13 ++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt 
b/Documentation/devicetree/bindings/usb/dwc2.txt
index 6c7c2bce..4d8b6dd 100644
--- a/Documentation/devicetree/bindings/usb/dwc2.txt
+++ b/Documentation/devicetree/bindings/usb/dwc2.txt
@@ -16,11 +16,18 @@ Required properties:
   - snps,dwc2: A generic DWC2 USB controller with default parameters.
 - reg : Should contain 1 register range (address and length)
 - interrupts : Should contain 1 interrupt
-- clocks: clock provider specifier
-- clock-names: shall be "otg"
-Refer to clk/clock-bindings.txt for generic clock consumer properties
 
 Optional properties:
+- clocks: A list of phandle + clock-specifier pairs for the clocks listed in 
clock-names.
+- clock-names: Contain the following optional clocks on demand:
+  - "otg": AHB clock. It is the scan clock for the core's AHB domain.
+  - "pmu": PMU hclk. Clock to PMU module when hibernation and/or ADP is 
enabled.
+  - "utmi":UTMI+ clock. Functionally used only when a UTMI PHY is selected,
+   but always used as the PHY domain clock during DFT Scan mode.
+  - "ulpi":ULPI PHY clock. Present only when a ULPI PHY is selected; 
negedge
+   is also used in DDR mode.
+  - "utmifs":  UTMI FS clock. Present only when OTG_FSPHY_INTERFACE != 0.
+Refer to clk/clock-bindings.txt for generic clock consumer properties
 - phys: phy provider specifier
 - phy-names: shall be "usb2-phy"
 Refer to phy/phy-bindings.txt for generic phy consumer properties
-- 
1.9.1


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