cregit-Linux how code gets into the kernel

Release 4.11 arch/arm/mach-omap1/include/mach/mux.h

/*
 * arch/arm/plat-omap/include/mach/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_7XX(reg, mode_offset, mode) .mux_reg_name = "OMAP7XX_IO_CONF_"#reg, \
                                        .mux_reg = OMAP7XX_IO_CONF_##reg, \
                                        .mask_offset = mode_offset, \
                                        .mask = mode,


#define PULL_REG_7XX(reg, bit, status)	.pull_name = "OMAP7XX_IO_CONF_"#reg, \
                                        .pull_reg = OMAP7XX_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_7XX(reg, mode_offset, mode) \
					.mux_reg = OMAP7XX_IO_CONF_##reg, \
                                        .mask_offset = mode_offset, \
                                        .mask = mode,


#define PULL_REG_7XX(reg, bit, status)	.pull_reg = OMAP7XX_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)              \
},


/*
 * OMAP730/850 has a slightly different config for the pin mux.
 * - config regs are the OMAP7XX_IO_CONF_x regs (see omap7xx.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_7XX(desc, mux_reg, mode_offset, mode,       \
		   pull_bit, pull_status, debug_status)\
{                                                       \
        .name =  desc,                                  \
        .debug = debug_status,                          \
        MUX_REG_7XX(mux_reg, mode_offset, mode)         \
        PULL_REG_7XX(mux_reg, pull_bit, pull_status)    \
        PU_PD_REG(NA, 0)                \
},


struct pin_config {
	
char 			*name;
	
const unsigned int 	mux_reg;
	
unsigned char		debug;

	
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;

#if	defined(CONFIG_OMAP_MUX_DEBUG) || defined(CONFIG_OMAP_MUX_WARNINGS)
	
const char *mux_reg_name;
#endif

};


enum omap7xx_index {
	/* OMAP 730 keyboard */
	
E2_7XX_KBR0,
	
J7_7XX_KBR1,
	
E1_7XX_KBR2,
	
F3_7XX_KBR3,
	
D2_7XX_KBR4,
	
C2_7XX_KBC0,
	
D3_7XX_KBC1,
	
E4_7XX_KBC2,
	
F4_7XX_KBC3,
	
E3_7XX_KBC4,

	/* USB */
	
AA17_7XX_USB_DM,
	
W16_7XX_USB_PU_EN,
	
W17_7XX_USB_VBUSI,
	
W18_7XX_USB_DMCK_OUT,
	
W19_7XX_USB_DCRST,

	/* MMC */
	
MMC_7XX_CMD,
	
MMC_7XX_CLK,
	
MMC_7XX_DAT0,

	/* I2C */
	
I2C_7XX_SCL,
	
I2C_7XX_SDA,

	/* SPI */
	
SPI_7XX_1,
	
SPI_7XX_2,
	
SPI_7XX_3,
	
SPI_7XX_4,
	
SPI_7XX_5,
	
SPI_7XX_6,

	/* UART */
	
UART_7XX_1,
	
UART_7XX_2,
};


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,

};


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 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; }

Contributors

PersonTokensPropCommitsCommitProp
Tony Lindgren12100.00%2100.00%
Total12100.00%2100.00%


static inline int omap_cfg_reg(unsigned long reg_cfg) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Tony Lindgren14100.00%2100.00%
Total14100.00%2100.00%

#endif extern int omap2_mux_init(void); #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Tony Lindgren69483.31%1352.00%
David Brownell394.68%14.00%
Cory Maccarrone344.08%520.00%
Alistair Buxton242.88%28.00%
Vikram Pandita212.52%14.00%
Mark Howell192.28%14.00%
Paul Bolle10.12%14.00%
Russell King10.12%14.00%
Total833100.00%25100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.