[PATCH 09/11] ARM: imx6q: add ssi1 clk_lookup
Richard Zhao
richard.zhao at freescale.com
Fri Apr 27 05:10:56 EDT 2012
On Fri, Apr 27, 2012 at 10:04:12AM +0200, Sascha Hauer wrote:
> On Fri, Apr 27, 2012 at 03:03:03PM +0800, Richard Zhao wrote:
> > It's used by audio drivers.
> >
> > Signed-off-by: Richard Zhao <richard.zhao at freescale.com>
> > ---
> > arch/arm/mach-imx/clk-imx6q.c | 1 +
> > 1 files changed, 1 insertions(+), 0 deletions(-)
> >
> > diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
> > index f40a35d..9a03dcc 100644
> > --- a/arch/arm/mach-imx/clk-imx6q.c
> > +++ b/arch/arm/mach-imx/clk-imx6q.c
> > @@ -418,6 +418,7 @@ int __init mx6q_clocks_init(void)
> > clk_register_clkdev(clk[sdma], NULL, "20ec000.sdma");
> > clk_register_clkdev(clk[dummy], NULL, "20bc000.wdog");
> > clk_register_clkdev(clk[dummy], NULL, "20c0000.wdog");
> > + clk_register_clkdev(clk[ssi1], NULL, "2028000.ssi");
>
> The ssi clock needs a general cleanup on all i.MX just like I cleaned up
> the other units. The SSI unit has at least a register clock and a baud
> clock. What the driver requests and enables is the register clock.
>
> The baud clock is currently unused and is needed only for master mode
> (which is not implemented in the ssi driver)
Are you sure for that? If I don't enable clk[ssi1], the ssi will not
work.
>
> So where we want to come to is:
>
> clk_register_clkdev(clk[ipg], "ipg", "2028000.ssi");
ssi don't have ipg gate. We can let it always on for imx6q.
Thanks
Richard
> clk_register_clkdev(clk[ssi1], "baud", "2028000.ssi");
>
> Sascha
>
>
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