OpenCloudOS-Kernel/arch/arm/mach-davinci/include/mach/mux.h

184 lines
3.3 KiB
C

/*
* Table of the DAVINCI register configurations for the PINMUX combinations
*
* Author: Vladimir Barinov, MontaVista Software, Inc. <source@mvista.com>
*
* Based on linux/include/asm-arm/arch-omap/mux.h:
* Copyright (C) 2003 - 2005 Nokia Corporation
*
* Written by Tony Lindgren
*
* 2007 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*
* Copyright (C) 2008 Texas Instruments.
*/
#ifndef __INC_MACH_MUX_H
#define __INC_MACH_MUX_H
/* System module registers */
#define PINMUX0 0x00
#define PINMUX1 0x04
/* dm355 only */
#define PINMUX2 0x08
#define PINMUX3 0x0c
#define PINMUX4 0x10
#define INTMUX 0x18
#define EVTMUX 0x1c
struct mux_config {
const char *name;
const char *mux_reg_name;
const unsigned char mux_reg;
const unsigned char mask_offset;
const unsigned char mask;
const unsigned char mode;
bool debug;
};
enum davinci_dm644x_index {
/* ATA and HDDIR functions */
DM644X_HDIREN,
DM644X_ATAEN,
DM644X_ATAEN_DISABLE,
/* HPI functions */
DM644X_HPIEN_DISABLE,
/* AEAW functions */
DM644X_AEAW,
/* Memory Stick */
DM644X_MSTK,
/* I2C */
DM644X_I2C,
/* ASP function */
DM644X_MCBSP,
/* UART1 */
DM644X_UART1,
/* UART2 */
DM644X_UART2,
/* PWM0 */
DM644X_PWM0,
/* PWM1 */
DM644X_PWM1,
/* PWM2 */
DM644X_PWM2,
/* VLYNQ function */
DM644X_VLYNQEN,
DM644X_VLSCREN,
DM644X_VLYNQWD,
/* EMAC and MDIO function */
DM644X_EMACEN,
/* GPIO3V[0:16] pins */
DM644X_GPIO3V,
/* GPIO pins */
DM644X_GPIO0,
DM644X_GPIO3,
DM644X_GPIO43_44,
DM644X_GPIO46_47,
/* VPBE */
DM644X_RGB666,
/* LCD */
DM644X_LOEEN,
DM644X_LFLDEN,
};
enum davinci_dm646x_index {
/* ATA function */
DM646X_ATAEN,
/* AUDIO Clock */
DM646X_AUDCK1,
DM646X_AUDCK0,
/* CRGEN Control */
DM646X_CRGMUX,
/* VPIF Control */
DM646X_STSOMUX_DISABLE,
DM646X_STSIMUX_DISABLE,
DM646X_PTSOMUX_DISABLE,
DM646X_PTSIMUX_DISABLE,
/* TSIF Control */
DM646X_STSOMUX,
DM646X_STSIMUX,
DM646X_PTSOMUX_PARALLEL,
DM646X_PTSIMUX_PARALLEL,
DM646X_PTSOMUX_SERIAL,
DM646X_PTSIMUX_SERIAL,
};
enum davinci_dm355_index {
/* MMC/SD 0 */
DM355_MMCSD0,
/* MMC/SD 1 */
DM355_SD1_CLK,
DM355_SD1_CMD,
DM355_SD1_DATA3,
DM355_SD1_DATA2,
DM355_SD1_DATA1,
DM355_SD1_DATA0,
/* I2C */
DM355_I2C_SDA,
DM355_I2C_SCL,
/* ASP0 function */
DM355_MCBSP0_BDX,
DM355_MCBSP0_X,
DM355_MCBSP0_BFSX,
DM355_MCBSP0_BDR,
DM355_MCBSP0_R,
DM355_MCBSP0_BFSR,
/* SPI0 */
DM355_SPI0_SDI,
DM355_SPI0_SDENA0,
DM355_SPI0_SDENA1,
/* IRQ muxing */
DM355_INT_EDMA_CC,
DM355_INT_EDMA_TC0_ERR,
DM355_INT_EDMA_TC1_ERR,
/* EDMA event muxing */
DM355_EVT8_ASP1_TX,
DM355_EVT9_ASP1_RX,
DM355_EVT26_MMC0_RX,
};
#ifdef CONFIG_DAVINCI_MUX
/* setup pin muxing */
extern void davinci_mux_init(void);
extern int davinci_mux_register(const struct mux_config *pins,
unsigned long size);
extern int davinci_cfg_reg(unsigned long reg_cfg);
#else
/* boot loader does it all (no warnings from CONFIG_DAVINCI_MUX_WARNINGS) */
static inline void davinci_mux_init(void) {}
static inline int davinci_mux_register(const struct mux_config *pins,
unsigned long size) { return 0; }
static inline int davinci_cfg_reg(unsigned long reg_cfg) { return 0; }
#endif
#endif /* __INC_MACH_MUX_H */