[PATCH v3 2/9] ARM: OMAP: mcbsp: Enable FIFO use for OMAP2430
Tony Lindgren
tony at atomide.com
Fri Aug 17 23:07:24 EST 2012
* Peter Ujfalusi <peter.ujfalusi at ti.com> [120816 06:41]:
> On OMAP2430 all McBSP ports have 128 word long buffer, enable the use of
> the FIFO for the audio stack.
>
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
> Acked-by: Jarkko Nikula <jarkko.nikula at bitmer.com>
> ---
> arch/arm/mach-omap2/mcbsp.c | 5 ++++-
> 1 files changed, 4 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
> index ebc801e..6e046e1 100644
> --- a/arch/arm/mach-omap2/mcbsp.c
> +++ b/arch/arm/mach-omap2/mcbsp.c
> @@ -151,7 +151,10 @@ static int __init omap_init_mcbsp(struct omap_hwmod *oh, void *unused)
> if (id == 4 && oh->class->rev == MCBSP_CONFIG_TYPE4)
> pdata->mux_signal = omap4_mcbsp4_mux_rx_clk;
>
> - if (oh->class->rev == MCBSP_CONFIG_TYPE3) {
> + if (oh->class->rev == MCBSP_CONFIG_TYPE2) {
> + /* The FIFO has 128 locations */
> + pdata->buffer_size = 0x80;
> + } else if (oh->class->rev == MCBSP_CONFIG_TYPE3) {
> if (id == 2)
> /* The FIFO has 1024 + 256 locations */
> pdata->buffer_size = 0x500;
Is this the case also for 2420? I thought some only had a FIFO at
one port?
Tony
More information about the devicetree-discuss
mailing list