On Wed, Aug 13, 2014 at 12:42 PM, Chen-Yu Tsai <[email protected]> wrote: > On Thu, Aug 14, 2014 at 12:34 AM, [email protected] <[email protected]> > wrote: >> Is there any way to generate a clock on a pin with the A20 other than >> the two PWM units? I just need a simple, always on clock. >> >> I need another clock because apparently you can't put I2S into slave >> mode as long as MCLKEN (ie MCLK on a pin) is enabled. > > The A20 has 2 clock outputs, CLK_OUT_A and CLK_OUT_B. > The outputs are muxed on PI13 and PI14.
Neither of those are brought out to a pin on the Cubietruck. I guess I have to get the PWM driver running. Cubietruck brings out the PWM pins. > > The clocks have configurable dividers, and can be sourced from > osc24M or osc32k. See page 92 of the A20's user manual. > > There's already a clk driver for them in mainline. And they > are defined in the DTSI as well. > > -- > You received this message because you are subscribed to the Google Groups > "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- Jon Smirl [email protected] -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
