linux/arch/arm/mach-tegra/include/mach/pinmux.h
Peter De Schrijver 241682c8e0 arm/tegra: pinmux tables and definitions for tegra30
Define the pinmuxing and pindrive tables for tegra30. The pinmux table defines
the available functions for each pinmux group. The pindrive table defines the
default pullup or pulldowns for each group.

Derived from code by Scott Williams (scwilliams@nvidia.com)

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2011-12-17 20:15:33 -08:00

303 lines
6.7 KiB
C

/*
* linux/arch/arm/mach-tegra/include/mach/pinmux.h
*
* Copyright (C) 2010 Google, Inc.
* Copyright (C) 2010,2011 Nvidia, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#ifndef __MACH_TEGRA_PINMUX_H
#define __MACH_TEGRA_PINMUX_H
enum tegra_mux_func {
TEGRA_MUX_RSVD = 0x8000,
TEGRA_MUX_RSVD1 = 0x8000,
TEGRA_MUX_RSVD2 = 0x8001,
TEGRA_MUX_RSVD3 = 0x8002,
TEGRA_MUX_RSVD4 = 0x8003,
TEGRA_MUX_INVALID = 0x4000,
TEGRA_MUX_NONE = -1,
TEGRA_MUX_AHB_CLK,
TEGRA_MUX_APB_CLK,
TEGRA_MUX_AUDIO_SYNC,
TEGRA_MUX_CRT,
TEGRA_MUX_DAP1,
TEGRA_MUX_DAP2,
TEGRA_MUX_DAP3,
TEGRA_MUX_DAP4,
TEGRA_MUX_DAP5,
TEGRA_MUX_DISPLAYA,
TEGRA_MUX_DISPLAYB,
TEGRA_MUX_EMC_TEST0_DLL,
TEGRA_MUX_EMC_TEST1_DLL,
TEGRA_MUX_GMI,
TEGRA_MUX_GMI_INT,
TEGRA_MUX_HDMI,
TEGRA_MUX_I2C,
TEGRA_MUX_I2C2,
TEGRA_MUX_I2C3,
TEGRA_MUX_IDE,
TEGRA_MUX_IRDA,
TEGRA_MUX_KBC,
TEGRA_MUX_MIO,
TEGRA_MUX_MIPI_HS,
TEGRA_MUX_NAND,
TEGRA_MUX_OSC,
TEGRA_MUX_OWR,
TEGRA_MUX_PCIE,
TEGRA_MUX_PLLA_OUT,
TEGRA_MUX_PLLC_OUT1,
TEGRA_MUX_PLLM_OUT1,
TEGRA_MUX_PLLP_OUT2,
TEGRA_MUX_PLLP_OUT3,
TEGRA_MUX_PLLP_OUT4,
TEGRA_MUX_PWM,
TEGRA_MUX_PWR_INTR,
TEGRA_MUX_PWR_ON,
TEGRA_MUX_RTCK,
TEGRA_MUX_SDIO1,
TEGRA_MUX_SDIO2,
TEGRA_MUX_SDIO3,
TEGRA_MUX_SDIO4,
TEGRA_MUX_SFLASH,
TEGRA_MUX_SPDIF,
TEGRA_MUX_SPI1,
TEGRA_MUX_SPI2,
TEGRA_MUX_SPI2_ALT,
TEGRA_MUX_SPI3,
TEGRA_MUX_SPI4,
TEGRA_MUX_TRACE,
TEGRA_MUX_TWC,
TEGRA_MUX_UARTA,
TEGRA_MUX_UARTB,
TEGRA_MUX_UARTC,
TEGRA_MUX_UARTD,
TEGRA_MUX_UARTE,
TEGRA_MUX_ULPI,
TEGRA_MUX_VI,
TEGRA_MUX_VI_SENSOR_CLK,
TEGRA_MUX_XIO,
TEGRA_MUX_BLINK,
TEGRA_MUX_CEC,
TEGRA_MUX_CLK12,
TEGRA_MUX_DAP,
TEGRA_MUX_DAPSDMMC2,
TEGRA_MUX_DDR,
TEGRA_MUX_DEV3,
TEGRA_MUX_DTV,
TEGRA_MUX_VI_ALT1,
TEGRA_MUX_VI_ALT2,
TEGRA_MUX_VI_ALT3,
TEGRA_MUX_EMC_DLL,
TEGRA_MUX_EXTPERIPH1,
TEGRA_MUX_EXTPERIPH2,
TEGRA_MUX_EXTPERIPH3,
TEGRA_MUX_GMI_ALT,
TEGRA_MUX_HDA,
TEGRA_MUX_HSI,
TEGRA_MUX_I2C4,
TEGRA_MUX_I2C5,
TEGRA_MUX_I2CPWR,
TEGRA_MUX_I2S0,
TEGRA_MUX_I2S1,
TEGRA_MUX_I2S2,
TEGRA_MUX_I2S3,
TEGRA_MUX_I2S4,
TEGRA_MUX_NAND_ALT,
TEGRA_MUX_POPSDIO4,
TEGRA_MUX_POPSDMMC4,
TEGRA_MUX_PWM0,
TEGRA_MUX_PWM1,
TEGRA_MUX_PWM2,
TEGRA_MUX_PWM3,
TEGRA_MUX_SATA,
TEGRA_MUX_SPI5,
TEGRA_MUX_SPI6,
TEGRA_MUX_SYSCLK,
TEGRA_MUX_VGP1,
TEGRA_MUX_VGP2,
TEGRA_MUX_VGP3,
TEGRA_MUX_VGP4,
TEGRA_MUX_VGP5,
TEGRA_MUX_VGP6,
TEGRA_MUX_SAFE,
TEGRA_MAX_MUX,
};
enum tegra_pullupdown {
TEGRA_PUPD_NORMAL = 0,
TEGRA_PUPD_PULL_DOWN,
TEGRA_PUPD_PULL_UP,
};
enum tegra_tristate {
TEGRA_TRI_NORMAL = 0,
TEGRA_TRI_TRISTATE = 1,
};
enum tegra_pin_io {
TEGRA_PIN_OUTPUT = 0,
TEGRA_PIN_INPUT = 1,
};
enum tegra_vddio {
TEGRA_VDDIO_BB = 0,
TEGRA_VDDIO_LCD,
TEGRA_VDDIO_VI,
TEGRA_VDDIO_UART,
TEGRA_VDDIO_DDR,
TEGRA_VDDIO_NAND,
TEGRA_VDDIO_SYS,
TEGRA_VDDIO_AUDIO,
TEGRA_VDDIO_SD,
TEGRA_VDDIO_CAM,
TEGRA_VDDIO_GMI,
TEGRA_VDDIO_PEXCTL,
TEGRA_VDDIO_SDMMC1,
TEGRA_VDDIO_SDMMC3,
TEGRA_VDDIO_SDMMC4,
};
struct tegra_pingroup_config {
int pingroup;
enum tegra_mux_func func;
enum tegra_pullupdown pupd;
enum tegra_tristate tristate;
};
enum tegra_slew {
TEGRA_SLEW_FASTEST = 0,
TEGRA_SLEW_FAST,
TEGRA_SLEW_SLOW,
TEGRA_SLEW_SLOWEST,
TEGRA_MAX_SLEW,
};
enum tegra_pull_strength {
TEGRA_PULL_0 = 0,
TEGRA_PULL_1,
TEGRA_PULL_2,
TEGRA_PULL_3,
TEGRA_PULL_4,
TEGRA_PULL_5,
TEGRA_PULL_6,
TEGRA_PULL_7,
TEGRA_PULL_8,
TEGRA_PULL_9,
TEGRA_PULL_10,
TEGRA_PULL_11,
TEGRA_PULL_12,
TEGRA_PULL_13,
TEGRA_PULL_14,
TEGRA_PULL_15,
TEGRA_PULL_16,
TEGRA_PULL_17,
TEGRA_PULL_18,
TEGRA_PULL_19,
TEGRA_PULL_20,
TEGRA_PULL_21,
TEGRA_PULL_22,
TEGRA_PULL_23,
TEGRA_PULL_24,
TEGRA_PULL_25,
TEGRA_PULL_26,
TEGRA_PULL_27,
TEGRA_PULL_28,
TEGRA_PULL_29,
TEGRA_PULL_30,
TEGRA_PULL_31,
TEGRA_MAX_PULL,
};
enum tegra_drive {
TEGRA_DRIVE_DIV_8 = 0,
TEGRA_DRIVE_DIV_4,
TEGRA_DRIVE_DIV_2,
TEGRA_DRIVE_DIV_1,
TEGRA_MAX_DRIVE,
};
enum tegra_hsm {
TEGRA_HSM_DISABLE = 0,
TEGRA_HSM_ENABLE,
};
enum tegra_schmitt {
TEGRA_SCHMITT_DISABLE = 0,
TEGRA_SCHMITT_ENABLE,
};
struct tegra_drive_pingroup_config {
int pingroup;
enum tegra_hsm hsm;
enum tegra_schmitt schmitt;
enum tegra_drive drive;
enum tegra_pull_strength pull_down;
enum tegra_pull_strength pull_up;
enum tegra_slew slew_rising;
enum tegra_slew slew_falling;
};
struct tegra_drive_pingroup_desc {
const char *name;
s16 reg_bank;
s16 reg;
};
struct tegra_pingroup_desc {
const char *name;
int funcs[4];
int func_safe;
int vddio;
enum tegra_pin_io io_default;
s16 tri_bank; /* Register bank the tri_reg exists within */
s16 mux_bank; /* Register bank the mux_reg exists within */
s16 pupd_bank; /* Register bank the pupd_reg exists within */
s16 tri_reg; /* offset into the TRISTATE_REG_* register bank */
s16 mux_reg; /* offset into the PIN_MUX_CTL_* register bank */
s16 pupd_reg; /* offset into the PULL_UPDOWN_REG_* register bank */
s8 tri_bit; /* offset into the TRISTATE_REG_* register bit */
s8 mux_bit; /* offset into the PIN_MUX_CTL_* register bit */
s8 pupd_bit; /* offset into the PULL_UPDOWN_REG_* register bit */
s8 lock_bit; /* offset of the LOCK bit into mux register bit */
s8 od_bit; /* offset of the OD bit into mux register bit */
s8 ioreset_bit; /* offset of the IO_RESET bit into mux register bit */
};
typedef void (*pinmux_init) (const struct tegra_pingroup_desc **pg,
int *pg_max, const struct tegra_drive_pingroup_desc **pgdrive,
int *pgdrive_max);
void tegra20_pinmux_init(const struct tegra_pingroup_desc **pg, int *pg_max,
const struct tegra_drive_pingroup_desc **pgdrive, int *pgdrive_max);
void tegra30_pinmux_init(const struct tegra_pingroup_desc **pg, int *pg_max,
const struct tegra_drive_pingroup_desc **pgdrive, int *pgdrive_max);
int tegra_pinmux_set_tristate(int pg, enum tegra_tristate tristate);
int tegra_pinmux_set_pullupdown(int pg, enum tegra_pullupdown pupd);
void tegra_pinmux_config_table(const struct tegra_pingroup_config *config,
int len);
void tegra_drive_pinmux_config_table(struct tegra_drive_pingroup_config *config,
int len);
void tegra_pinmux_set_safe_pinmux_table(const struct tegra_pingroup_config *config,
int len);
void tegra_pinmux_config_pinmux_table(const struct tegra_pingroup_config *config,
int len);
void tegra_pinmux_config_tristate_table(const struct tegra_pingroup_config *config,
int len, enum tegra_tristate tristate);
void tegra_pinmux_config_pullupdown_table(const struct tegra_pingroup_config *config,
int len, enum tegra_pullupdown pupd);
#endif