1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * linux/arch/arm/mach-omap2/mcbsp.c 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2008 Instituto Nokia de Tecnologia 6*4882a593Smuzhiyun * Contact: Eduardo Valentin <eduardo.valentin@indt.org.br> 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * Multichannel mode not supported. 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun #include <linux/module.h> 11*4882a593Smuzhiyun #include <linux/init.h> 12*4882a593Smuzhiyun #include <linux/clk.h> 13*4882a593Smuzhiyun #include <linux/err.h> 14*4882a593Smuzhiyun #include <linux/io.h> 15*4882a593Smuzhiyun #include <linux/of.h> 16*4882a593Smuzhiyun #include <linux/platform_device.h> 17*4882a593Smuzhiyun #include <linux/slab.h> 18*4882a593Smuzhiyun #include <linux/platform_data/asoc-ti-mcbsp.h> 19*4882a593Smuzhiyun #include <linux/pm_runtime.h> 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #include <linux/omap-dma.h> 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun #include "soc.h" 24*4882a593Smuzhiyun #include "omap_device.h" 25*4882a593Smuzhiyun #include "clock.h" 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun /* 28*4882a593Smuzhiyun * FIXME: Find a mechanism to enable/disable runtime the McBSP ICLK autoidle. 29*4882a593Smuzhiyun * Sidetone needs non-gated ICLK and sidetone autoidle is broken. 30*4882a593Smuzhiyun */ 31*4882a593Smuzhiyun #include "cm3xxx.h" 32*4882a593Smuzhiyun #include "cm-regbits-34xx.h" 33*4882a593Smuzhiyun omap3_mcbsp_force_ick_on(struct clk * clk,bool force_on)34*4882a593Smuzhiyunstatic int omap3_mcbsp_force_ick_on(struct clk *clk, bool force_on) 35*4882a593Smuzhiyun { 36*4882a593Smuzhiyun if (!clk) 37*4882a593Smuzhiyun return 0; 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun if (force_on) 40*4882a593Smuzhiyun return omap2_clk_deny_idle(clk); 41*4882a593Smuzhiyun else 42*4882a593Smuzhiyun return omap2_clk_allow_idle(clk); 43*4882a593Smuzhiyun } 44*4882a593Smuzhiyun omap3_mcbsp_init_pdata_callback(struct omap_mcbsp_platform_data * pdata)45*4882a593Smuzhiyunvoid __init omap3_mcbsp_init_pdata_callback( 46*4882a593Smuzhiyun struct omap_mcbsp_platform_data *pdata) 47*4882a593Smuzhiyun { 48*4882a593Smuzhiyun if (!pdata) 49*4882a593Smuzhiyun return; 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun pdata->force_ick_on = omap3_mcbsp_force_ick_on; 52*4882a593Smuzhiyun } 53