| /* |
| * 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; |
| } |