diff options
Diffstat (limited to 'arch/arm/mach-tegra/include/mach/pinmux.h')
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/pinmux.h | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/include/mach/pinmux.h b/arch/arm/mach-tegra/include/mach/pinmux.h new file mode 100644 index 00000000000..defd8775def --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/pinmux.h @@ -0,0 +1,240 @@ +/* + * 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 + +#if defined(CONFIG_ARCH_TEGRA_2x_SOC) +#include "pinmux-t2.h" +#else +#error "Undefined Tegra architecture" +#endif + +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 { + enum tegra_pingroup 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 { + enum tegra_drive_pingroup 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; +}; + +struct tegra_pingroup_desc { + const char *name; + int funcs[4]; + int func_safe; + int vddio; + 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 */ +}; + +extern const struct tegra_pingroup_desc tegra_soc_pingroups[]; +extern const struct tegra_drive_pingroup_desc tegra_soc_drive_pingroups[]; + +int tegra_pinmux_set_tristate(enum tegra_pingroup pg, + enum tegra_tristate tristate); +int tegra_pinmux_set_pullupdown(enum tegra_pingroup 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 + |