[U-Boot] [U-Boot,v2] timer: Support clocks via phandle

[Tom Rini <trini@konsulko.com>]

On Sat, Nov 19, 2016 at 07:57:27PM +0300, Zakharov Vlad wrote:

> Earlier timer driver needed a clock-frequency property in compatible
> device-tree nodes. Another way is to reference a clock via a phandle.
> 
> So now timer_pre_probe tries to get clock by reference through device
> tree. In case it is impossible to get clock device through the
> reference, clock-frequency property of the timer node is read to provide
> backward compatibility.
> 
> Signed-off-by: Vlad Zakharov <vzakhar@synopsys.com>
> Reviewed-by: Simon Glass <sjg@chromium.org>

NAK:
   sandbox:  +   sandbox_spl             x
+(sandbox_spl)   err = clk_get_by_index(dev, 0, timer_clk);
+(sandbox_spl)       ^
w+(sandbox_spl) drivers/timer/timer-uclass.c: In function ?timer_pre_probe?:
w+(sandbox_spl) drivers/timer/timer-uclass.c:50:6: warning: ?timer_clk? is used uninitialized in this function [-Wuninitialized]

-- 
Tom
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