Thread (1 message) 1 message, 1 author, 2016-03-15

Re: [PATCH 1/5 v10] dt/bindings: Add binding for the DA8xx MUSB driver

From: Felipe Balbi <hidden>
Date: 2016-03-15 07:52:14

Hi,

David Lechner [off-list ref] writes:
[ text/plain ]
On 03/14/2016 02:00 AM, Felipe Balbi wrote:
quoted
Hi,

Petr Kulhavy [off-list ref] writes:
quoted
+ - ti,usb2-phy-refclock-hz : Integer. Frequency in Hz of the USB 2.0 PHY reference clock,
+     either provided by the internal PLL or an external source.
+     The supported values are: 12MHz, 13MHz, 19.2MHz, 20MHz, 24MHz, 26MHz, 38.4MHz, 40MHz, 48MHz.
why isn't this an actual clock phandle ? Driver could, then, use
clk_get_rate() to figure this one out. You could just use a fixed clock
here to satisfy the clock API.

I've actually been working on getting the da8xx ohci driver working with 
device tree. It has similar clock issues (in fact, the ohci clock is a 
child of the musb clock). Petr, give me a day or two and will have post 
some patches. It will have a clock that can be used here for clk_get_rate().
sounds good, cool.

-- 
balbi

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