M7350/kernel/arch/arm/plat-omap/include/plat/mcbsp.h

63 lines
1.8 KiB
C
Raw Normal View History

2024-09-09 08:52:07 +00:00
/*
* arch/arm/plat-omap/include/mach/mcbsp.h
*
* Defines for Multi-Channel Buffered Serial Port
*
* Copyright (C) 2002 RidgeRun, Inc.
* Author: Steve Johnson
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __ASM_ARCH_OMAP_MCBSP_H
#define __ASM_ARCH_OMAP_MCBSP_H
#include <linux/spinlock.h>
#include <linux/clk.h>
#define MCBSP_CONFIG_TYPE2 0x2
#define MCBSP_CONFIG_TYPE3 0x3
#define MCBSP_CONFIG_TYPE4 0x4
/* Platform specific configuration */
struct omap_mcbsp_ops {
void (*request)(unsigned int);
void (*free)(unsigned int);
};
struct omap_mcbsp_platform_data {
struct omap_mcbsp_ops *ops;
u16 buffer_size;
u8 reg_size;
u8 reg_step;
/* McBSP platform and instance specific features */
bool has_wakeup; /* Wakeup capability */
bool has_ccr; /* Transceiver has configuration control registers */
int (*enable_st_clock)(unsigned int, bool);
int (*set_clk_src)(struct device *dev, struct clk *clk, const char *src);
int (*mux_signal)(struct device *dev, const char *signal, const char *src);
};
/**
* omap_mcbsp_dev_attr - OMAP McBSP device attributes for omap_hwmod
* @sidetone: name of the sidetone device
*/
struct omap_mcbsp_dev_attr {
const char *sidetone;
};
#endif