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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
#if defined(CONFIG_ARCH_TEGRA_2x_SOC)
#include "pinmux-t2.h"
#else
#error "Undefined Tegra architecture"
#endif
typedef enum {
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_MAX_MUX,
} tegra_mux_func_t;
typedef enum {
TEGRA_PUPD_NORMAL = 0,
TEGRA_PUPD_PULL_DOWN,
TEGRA_PUPD_PULL_UP,
} tegra_pullupdown_t;
typedef enum {
TEGRA_TRI_NORMAL = 0,
TEGRA_TRI_TRISTATE = 1,
} tegra_tristate_t;
typedef enum {
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_t;
struct tegra_pingroup_config {
tegra_pingroup_t pingroup;
tegra_mux_func_t func;
tegra_pullupdown_t pupd;
tegra_tristate_t tristate;
};
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 */
};
int tegra_pinmux_set_tristate(tegra_pingroup_t pg, tegra_tristate_t tristate);
int tegra_pinmux_set_pullupdown(tegra_pingroup_t pg, tegra_pullupdown_t pupd);
void tegra_pinmux_init_pingroups(void);
const struct tegra_pingroup_desc* tegra_pinmux_get_pingroups(void);
void tegra_pinmux_config_table(const struct tegra_pingroup_config *config, int len);
void tegra_pinmux_config_pinmux_table(const struct tegra_pingroup_config *config,
int len, bool is_set);
void tegra_pinmux_config_tristate_table(const struct tegra_pingroup_config *config,
int len, tegra_tristate_t tristate);
void tegra_pinmux_config_pullupdown_table(const struct tegra_pingroup_config *config,
int len, tegra_pullupdown_t pupd);
int tegra_pinmux_get_vddio(tegra_pingroup_t pg);
void tegra_pinmux_set_vddio_tristate(tegra_vddio_t vddio,
tegra_tristate_t tristate);
#endif
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