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/*
* linux/arch/arm/mach-tegra/include/mach/pinmux.h
*
* Copyright (C) 2010 Google, 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_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_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_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,
};
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;
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 */
};
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);
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
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