linux/arch/arm/mach-omap2/mcbsp.c

56 lines
1.3 KiB
C

/*
* linux/arch/arm/mach-omap2/mcbsp.c
*
* Copyright (C) 2008 Instituto Nokia de Tecnologia
* Contact: Eduardo Valentin <eduardo.valentin@indt.org.br>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Multichannel mode not supported.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/platform_data/asoc-ti-mcbsp.h>
#include <linux/pm_runtime.h>
#include <linux/omap-dma.h>
#include "soc.h"
#include "omap_device.h"
#include "clock.h"
/*
* FIXME: Find a mechanism to enable/disable runtime the McBSP ICLK autoidle.
* Sidetone needs non-gated ICLK and sidetone autoidle is broken.
*/
#include "cm3xxx.h"
#include "cm-regbits-34xx.h"
static int omap3_mcbsp_force_ick_on(struct clk *clk, bool force_on)
{
if (!clk)
return 0;
if (force_on)
return omap2_clk_deny_idle(clk);
else
return omap2_clk_allow_idle(clk);
}
void __init omap3_mcbsp_init_pdata_callback(
struct omap_mcbsp_platform_data *pdata)
{
if (!pdata)
return;
pdata->force_ick_on = omap3_mcbsp_force_ick_on;
}