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linux-stable-rt/include/asm-arm/arch-omap/mux.h

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/*
* linux/include/asm-arm/arch-omap/mux.h
*
* Table of the Omap register configurations for the FUNC_MUX and
* PULL_DWN combinations.
*
* Copyright (C) 2003 - 2005 Nokia Corporation
*
* Written by Tony Lindgren <tony.lindgren@nokia.com>
*
* 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
*
* NOTE: Please use the following naming style for new pin entries.
* For example, W8_1610_MMC2_DAT0, where:
* - W8 = ball
* - 1610 = 1510 or 1610, none if common for both 1510 and 1610
* - MMC2_DAT0 = function
*
* Change log:
* Added entry for the I2C interface. (02Feb 2004)
* Copyright (C) 2004 Texas Instruments
*
* Added entry for the keypad and uwire CS1. (09Mar 2004)
* Copyright (C) 2004 Texas Instruments
*
*/
#ifndef __ASM_ARCH_MUX_H
#define __ASM_ARCH_MUX_H
#define PU_PD_SEL_NA 0 /* No pu_pd reg available */
#define PULL_DWN_CTRL_NA 0 /* No pull-down control needed */
#ifdef CONFIG_OMAP_MUX_DEBUG
#define MUX_REG(reg, mode_offset, mode) .mux_reg_name = "FUNC_MUX_CTRL_"#reg, \
.mux_reg = FUNC_MUX_CTRL_##reg, \
.mask_offset = mode_offset, \
.mask = mode,
#define PULL_REG(reg, bit, status) .pull_name = "PULL_DWN_CTRL_"#reg, \
.pull_reg = PULL_DWN_CTRL_##reg, \
.pull_bit = bit, \
.pull_val = status,
#define PU_PD_REG(reg, status) .pu_pd_name = "PU_PD_SEL_"#reg, \
.pu_pd_reg = PU_PD_SEL_##reg, \
.pu_pd_val = status,
#define MUX_REG_730(reg, mode_offset, mode) .mux_reg_name = "OMAP730_IO_CONF_"#reg, \
.mux_reg = OMAP730_IO_CONF_##reg, \
.mask_offset = mode_offset, \
.mask = mode,
#define PULL_REG_730(reg, bit, status) .pull_name = "OMAP730_IO_CONF_"#reg, \
.pull_reg = OMAP730_IO_CONF_##reg, \
.pull_bit = bit, \
.pull_val = status,
#else
#define MUX_REG(reg, mode_offset, mode) .mux_reg = FUNC_MUX_CTRL_##reg, \
.mask_offset = mode_offset, \
.mask = mode,
#define PULL_REG(reg, bit, status) .pull_reg = PULL_DWN_CTRL_##reg, \
.pull_bit = bit, \
.pull_val = status,
#define PU_PD_REG(reg, status) .pu_pd_reg = PU_PD_SEL_##reg, \
.pu_pd_val = status,
#define MUX_REG_730(reg, mode_offset, mode) \
.mux_reg = OMAP730_IO_CONF_##reg, \
.mask_offset = mode_offset, \
.mask = mode,
#define PULL_REG_730(reg, bit, status) .pull_reg = OMAP730_IO_CONF_##reg, \
.pull_bit = bit, \
.pull_val = status,
#endif /* CONFIG_OMAP_MUX_DEBUG */
#define MUX_CFG(desc, mux_reg, mode_offset, mode, \
pull_reg, pull_bit, pull_status, \
pu_pd_reg, pu_pd_status, debug_status) \
{ \
.name = desc, \
.debug = debug_status, \
MUX_REG(mux_reg, mode_offset, mode) \
PULL_REG(pull_reg, pull_bit, pull_status) \
PU_PD_REG(pu_pd_reg, pu_pd_status) \
},
/*
* OMAP730 has a slightly different config for the pin mux.
* - config regs are the OMAP730_IO_CONF_x regs (see omap730.h) regs and
* not the FUNC_MUX_CTRL_x regs from hardware.h
* - for pull-up/down, only has one enable bit which is is in the same register
* as mux config
*/
#define MUX_CFG_730(desc, mux_reg, mode_offset, mode, \
pull_bit, pull_status, debug_status)\
{ \
.name = desc, \
.debug = debug_status, \
MUX_REG_730(mux_reg, mode_offset, mode) \
PULL_REG_730(mux_reg, pull_bit, pull_status) \
PU_PD_REG(NA, 0) \
},
#define MUX_CFG_24XX(desc, reg_offset, mode, \
pull_en, pull_mode, dbg) \
{ \
.name = desc, \
.debug = dbg, \
.mux_reg = reg_offset, \
.mask = mode, \
.pull_val = pull_en, \
.pu_pd_val = pull_mode, \
},
#define PULL_DISABLED 0
#define PULL_ENABLED 1
#define PULL_DOWN 0
#define PULL_UP 1
struct pin_config {
char *name;
unsigned char busy;
unsigned char debug;
const char *mux_reg_name;
const unsigned int mux_reg;
const unsigned char mask_offset;
const unsigned char mask;
const char *pull_name;
const unsigned int pull_reg;
const unsigned char pull_val;
const unsigned char pull_bit;
const char *pu_pd_name;
const unsigned int pu_pd_reg;
const unsigned char pu_pd_val;
};
enum omap730_index {
/* OMAP 730 keyboard */
E2_730_KBR0,
J7_730_KBR1,
E1_730_KBR2,
F3_730_KBR3,
D2_730_KBR4,
C2_730_KBC0,
D3_730_KBC1,
E4_730_KBC2,
F4_730_KBC3,
E3_730_KBC4,
/* USB */
AA17_730_USB_DM,
W16_730_USB_PU_EN,
W17_730_USB_VBUSI,
};
enum omap1xxx_index {
/* UART1 (BT_UART_GATING)*/
UART1_TX = 0,
UART1_RTS,
/* UART2 (COM_UART_GATING)*/
UART2_TX,
UART2_RX,
UART2_CTS,
UART2_RTS,
/* UART3 (GIGA_UART_GATING) */
UART3_TX,
UART3_RX,
UART3_CTS,
UART3_RTS,
UART3_CLKREQ,
UART3_BCLK, /* 12MHz clock out */
Y15_1610_UART3_RTS,
/* PWT & PWL */
PWT,
PWL,
/* USB master generic */
R18_USB_VBUS,
R18_1510_USB_GPIO0,
W4_USB_PUEN,
W4_USB_CLKO,
W4_USB_HIGHZ,
W4_GPIO58,
/* USB1 master */
USB1_SUSP,
USB1_SEO,
W13_1610_USB1_SE0,
USB1_TXEN,
USB1_TXD,
USB1_VP,
USB1_VM,
USB1_RCV,
USB1_SPEED,
R13_1610_USB1_SPEED,
R13_1710_USB1_SE0,
/* USB2 master */
USB2_SUSP,
USB2_VP,
USB2_TXEN,
USB2_VM,
USB2_RCV,
USB2_SEO,
USB2_TXD,
/* OMAP-1510 GPIO */
R18_1510_GPIO0,
R19_1510_GPIO1,
M14_1510_GPIO2,
/* OMAP1610 GPIO */
P18_1610_GPIO3,
Y15_1610_GPIO17,
/* OMAP-1710 GPIO */
R18_1710_GPIO0,
V2_1710_GPIO10,
N21_1710_GPIO14,
W15_1710_GPIO40,
/* MPUIO */
MPUIO2,
N15_1610_MPUIO2,
MPUIO4,
MPUIO5,
T20_1610_MPUIO5,
W11_1610_MPUIO6,
V10_1610_MPUIO7,
W11_1610_MPUIO9,
V10_1610_MPUIO10,
W10_1610_MPUIO11,
E20_1610_MPUIO13,
U20_1610_MPUIO14,
E19_1610_MPUIO15,
/* MCBSP2 */
MCBSP2_CLKR,
MCBSP2_CLKX,
MCBSP2_DR,
MCBSP2_DX,
MCBSP2_FSR,
MCBSP2_FSX,
/* MCBSP3 */
MCBSP3_CLKX,
/* Misc ballouts */
BALLOUT_V8_ARMIO3,
N20_HDQ,
/* OMAP-1610 MMC2 */
W8_1610_MMC2_DAT0,
V8_1610_MMC2_DAT1,
W15_1610_MMC2_DAT2,
R10_1610_MMC2_DAT3,
Y10_1610_MMC2_CLK,
Y8_1610_MMC2_CMD,
V9_1610_MMC2_CMDDIR,
V5_1610_MMC2_DATDIR0,
W19_1610_MMC2_DATDIR1,
R18_1610_MMC2_CLKIN,
/* OMAP-1610 External Trace Interface */
M19_1610_ETM_PSTAT0,
L15_1610_ETM_PSTAT1,
L18_1610_ETM_PSTAT2,
L19_1610_ETM_D0,
J19_1610_ETM_D6,
J18_1610_ETM_D7,
/* OMAP16XX GPIO */
P20_1610_GPIO4,
V9_1610_GPIO7,
W8_1610_GPIO9,
N20_1610_GPIO11,
N19_1610_GPIO13,
P10_1610_GPIO22,
V5_1610_GPIO24,
AA20_1610_GPIO_41,
W19_1610_GPIO48,
M7_1610_GPIO62,
V14_16XX_GPIO37,
R9_16XX_GPIO18,
L14_16XX_GPIO49,
/* OMAP-1610 uWire */
V19_1610_UWIRE_SCLK,
U18_1610_UWIRE_SDI,
W21_1610_UWIRE_SDO,
N14_1610_UWIRE_CS0,
P15_1610_UWIRE_CS3,
N15_1610_UWIRE_CS1,
/* OMAP-1610 Flash */
L3_1610_FLASH_CS2B_OE,
M8_1610_FLASH_CS2B_WE,
/* First MMC */
MMC_CMD,
MMC_DAT1,
MMC_DAT2,
MMC_DAT0,
MMC_CLK,
MMC_DAT3,
/* OMAP-1710 MMC CMDDIR and DATDIR0 */
M15_1710_MMC_CLKI,
P19_1710_MMC_CMDDIR,
P20_1710_MMC_DATDIR0,
/* OMAP-1610 USB0 alternate pin configuration */
W9_USB0_TXEN,
AA9_USB0_VP,
Y5_USB0_RCV,
R9_USB0_VM,
V6_USB0_TXD,
W5_USB0_SE0,
V9_USB0_SPEED,
V9_USB0_SUSP,
/* USB2 */
W9_USB2_TXEN,
AA9_USB2_VP,
Y5_USB2_RCV,
R9_USB2_VM,
V6_USB2_TXD,
W5_USB2_SE0,
/* 16XX UART */
R13_1610_UART1_TX,
V14_16XX_UART1_RX,
R14_1610_UART1_CTS,
AA15_1610_UART1_RTS,
R9_16XX_UART2_RX,
L14_16XX_UART3_RX,
/* I2C OMAP-1610 */
I2C_SCL,
I2C_SDA,
/* Keypad */
F18_1610_KBC0,
D20_1610_KBC1,
D19_1610_KBC2,
E18_1610_KBC3,
C21_1610_KBC4,
G18_1610_KBR0,
F19_1610_KBR1,
H14_1610_KBR2,
E20_1610_KBR3,
E19_1610_KBR4,
N19_1610_KBR5,
/* Power management */
T20_1610_LOW_PWR,
/* MCLK Settings */
V5_1710_MCLK_ON,
V5_1710_MCLK_OFF,
R10_1610_MCLK_ON,
R10_1610_MCLK_OFF,
/* CompactFlash controller */
P11_1610_CF_CD2,
R11_1610_CF_IOIS16,
V10_1610_CF_IREQ,
W10_1610_CF_RESET,
W11_1610_CF_CD1,
};
enum omap24xx_index {
/* 24xx I2C */
M19_24XX_I2C1_SCL,
L15_24XX_I2C1_SDA,
J15_24XX_I2C2_SCL,
H19_24XX_I2C2_SDA,
/* 24xx Menelaus interrupt */
W19_24XX_SYS_NIRQ,
/* 24xx clock */
W14_24XX_SYS_CLKOUT,
/* 242X McBSP */
Y15_24XX_MCBSP2_CLKX,
R14_24XX_MCBSP2_FSX,
W15_24XX_MCBSP2_DR,
V15_24XX_MCBSP2_DX,
/* 24xx GPIO */
M21_242X_GPIO11,
AA10_242X_GPIO13,
AA6_242X_GPIO14,
AA4_242X_GPIO15,
Y11_242X_GPIO16,
AA12_242X_GPIO17,
AA8_242X_GPIO58,
Y20_24XX_GPIO60,
W4__24XX_GPIO74,
M15_24XX_GPIO92,
V14_24XX_GPIO117,
P20_24XX_TSC_IRQ,
/* UART3 */
K15_24XX_UART3_TX,
K14_24XX_UART3_RX,
/* Keypad GPIO*/
T19_24XX_KBR0,
R19_24XX_KBR1,
V18_24XX_KBR2,
M21_24XX_KBR3,
E5__24XX_KBR4,
M18_24XX_KBR5,
R20_24XX_KBC0,
M14_24XX_KBC1,
H19_24XX_KBC2,
V17_24XX_KBC3,
P21_24XX_KBC4,
L14_24XX_KBC5,
N19_24XX_KBC6,
/* 24xx Menelaus Keypad GPIO */
B3__24XX_KBR5,
AA4_24XX_KBC2,
B13_24XX_KBC6,
};
#ifdef CONFIG_OMAP_MUX
/* setup pin muxing in Linux */
extern int omap1_mux_init(void);
extern int omap2_mux_init(void);
extern int omap_mux_register(struct pin_config * pins, unsigned long size);
extern int omap_cfg_reg(unsigned long reg_cfg);
#else
/* boot loader does it all (no warnings from CONFIG_OMAP_MUX_WARNINGS) */
static inline int omap1_mux_init(void) { return 0; }
static inline int omap2_mux_init(void) { return 0; }
static inline int omap_cfg_reg(unsigned long reg_cfg) { return 0; }
#endif
#endif
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