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linux/include/asm-arm/arch-omap/mux.h
Tony Lindgren 9330899e0f ARM: OMAP2: Clean-up mux code 
Misc clean-up for the mux code and remove some unnecessary
ifdefs. Patch changes debug function so it can be used on
both 24xx and 34xx.

Changes are mostly for omap2, but patch also cleans up some
omap1 and common mux code.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2008-04-14 09:57:13 -07:00

616 lines
12 KiB
C
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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) 2004 - 2008 Texas Instruments Inc.
* Copyright (C) 2003 - 2008 Nokia Corporation
*
* Written by Tony Lindgren
*
* 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
*/
#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 SPI */
U19_1610_SPIF_SCK,
U18_1610_SPIF_DIN,
P20_1610_SPIF_DIN,
W21_1610_SPIF_DOUT,
R18_1610_SPIF_DOUT,
N14_1610_SPIF_CS0,
N15_1610_SPIF_CS1,
T19_1610_SPIF_CS2,
P15_1610_SPIF_CS3,
/* 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,
/* parallel camera */
J15_1610_CAM_LCLK,
J18_1610_CAM_D7,
J19_1610_CAM_D6,
J14_1610_CAM_D5,
K18_1610_CAM_D4,
K19_1610_CAM_D3,
K15_1610_CAM_D2,
K14_1610_CAM_D1,
L19_1610_CAM_D0,
L18_1610_CAM_VS,
L15_1610_CAM_HS,
M19_1610_CAM_RSTZ,
Y15_1610_CAM_OUTCLK,
/* serial camera */
H19_1610_CAM_EXCLK,
Y12_1610_CCP_CLKP,
W13_1610_CCP_CLKM,
W14_1610_CCP_DATAP,
Y14_1610_CCP_DATAM,
};
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,
/* 24xx GPMC chipselects, wait pin monitoring */
E2_GPMC_NCS2,
L2_GPMC_NCS7,
L3_GPMC_WAIT0,
N7_GPMC_WAIT1,
M1_GPMC_WAIT2,
P1_GPMC_WAIT3,
/* 242X McBSP */
Y15_24XX_MCBSP2_CLKX,
R14_24XX_MCBSP2_FSX,
W15_24XX_MCBSP2_DR,
V15_24XX_MCBSP2_DX,
/* 24xx GPIO */
M21_242X_GPIO11,
P21_242X_GPIO12,
AA10_242X_GPIO13,
AA6_242X_GPIO14,
AA4_242X_GPIO15,
Y11_242X_GPIO16,
AA12_242X_GPIO17,
AA8_242X_GPIO58,
Y20_24XX_GPIO60,
W4__24XX_GPIO74,
N15_24XX_GPIO85,
M15_24XX_GPIO92,
P20_24XX_GPIO93,
P18_24XX_GPIO95,
M18_24XX_GPIO96,
L14_24XX_GPIO97,
J15_24XX_GPIO99,
V14_24XX_GPIO117,
P14_24XX_GPIO125,
/* 242x DBG GPIO */
V4_242X_GPIO49,
W2_242X_GPIO50,
U4_242X_GPIO51,
V3_242X_GPIO52,
V2_242X_GPIO53,
V6_242X_GPIO53,
T4_242X_GPIO54,
Y4_242X_GPIO54,
T3_242X_GPIO55,
U2_242X_GPIO56,
/* 24xx external DMA requests */
AA10_242X_DMAREQ0,
AA6_242X_DMAREQ1,
E4_242X_DMAREQ2,
G4_242X_DMAREQ3,
D3_242X_DMAREQ4,
E3_242X_DMAREQ5,
/* UART3 */
K15_24XX_UART3_TX,
K14_24XX_UART3_RX,
/* MMC/SDIO */
G19_24XX_MMC_CLKO,
H18_24XX_MMC_CMD,
F20_24XX_MMC_DAT0,
H14_24XX_MMC_DAT1,
E19_24XX_MMC_DAT2,
D19_24XX_MMC_DAT3,
F19_24XX_MMC_DAT_DIR0,
E20_24XX_MMC_DAT_DIR1,
F18_24XX_MMC_DAT_DIR2,
E18_24XX_MMC_DAT_DIR3,
G18_24XX_MMC_CMD_DIR,
H15_24XX_MMC_CLKI,
/* Full speed USB */
J20_24XX_USB0_PUEN,
J19_24XX_USB0_VP,
K20_24XX_USB0_VM,
J18_24XX_USB0_RCV,
K19_24XX_USB0_TXEN,
J14_24XX_USB0_SE0,
K18_24XX_USB0_DAT,
N14_24XX_USB1_SE0,
W12_24XX_USB1_SE0,
P15_24XX_USB1_DAT,
R13_24XX_USB1_DAT,
W20_24XX_USB1_TXEN,
P13_24XX_USB1_TXEN,
V19_24XX_USB1_RCV,
V12_24XX_USB1_RCV,
AA10_24XX_USB2_SE0,
Y11_24XX_USB2_DAT,
AA12_24XX_USB2_TXEN,
AA6_24XX_USB2_RCV,
AA4_24XX_USB2_TLLSE0,
/* 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,
/* 2430 USB */
AD9_2430_USB0_PUEN,
Y11_2430_USB0_VP,
AD7_2430_USB0_VM,
AE7_2430_USB0_RCV,
AD4_2430_USB0_TXEN,
AF9_2430_USB0_SE0,
AE6_2430_USB0_DAT,
AD24_2430_USB1_SE0,
AB24_2430_USB1_RCV,
Y25_2430_USB1_TXEN,
AA26_2430_USB1_DAT,
/* 2430 HS-USB */
AD9_2430_USB0HS_DATA3,
Y11_2430_USB0HS_DATA4,
AD7_2430_USB0HS_DATA5,
AE7_2430_USB0HS_DATA6,
AD4_2430_USB0HS_DATA2,
AF9_2430_USB0HS_DATA0,
AE6_2430_USB0HS_DATA1,
AE8_2430_USB0HS_CLK,
AD8_2430_USB0HS_DIR,
AE5_2430_USB0HS_STP,
AE9_2430_USB0HS_NXT,
AC7_2430_USB0HS_DATA7,
/* 2430 McBSP */
AC10_2430_MCBSP2_FSX,
AD16_2430_MCBSP2_CLX,
AE13_2430_MCBSP2_DX,
AD13_2430_MCBSP2_DR,
AC10_2430_MCBSP2_FSX_OFF,
AD16_2430_MCBSP2_CLX_OFF,
AE13_2430_MCBSP2_DX_OFF,
AD13_2430_MCBSP2_DR_OFF,
};
struct omap_mux_cfg {
struct pin_config *pins;
unsigned long size;
int (*cfg_reg)(const struct pin_config *cfg);
};
#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 omap_mux_cfg *);
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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