Messages in this thread | | | Date | Thu, 1 Aug 2013 13:39:59 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [PATCH v2] USB: ohci-at91: add usb_clk for transition to common clk framework |
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On Thu, 1 Aug 2013, Boris BREZILLON wrote:
> The AT91 PMC (Power Management Controller) provides an USB clock used by > USB Full Speed host (ohci) and USB Full Speed device (udc). > The usb drivers (ohci and udc) must configure this clock to 48Mhz. > This configuration was formely done in mach-at91/clock.c, but this > implementation will be removed when moving to common clk framework. > > This patch adds support for usb clock retrieval and configuration, and is > backward compatible with the current at91 clk implementation (if usb clk > is not found, it does not configure/enable it). > > Changes since v1: > - use IS_ENABLED(CONFIG_COMMON_CLK) to isolate new at91 clk support > > Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
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