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/*
* arch/arm/mach-tegra/board-macallan-pinmux.c
*
* Copyright (C) 2013 NVIDIA Corporation
*
* 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.
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <mach/pinmux.h>
#include <mach/gpio-tegra.h>
#include "board.h"
#include "board-macallan.h"
#include "devices.h"
#include "gpio-names.h"
#include <mach/pinmux-t11.h>
#define DEFAULT_DRIVE(_name) \
{ \
.pingroup = TEGRA_DRIVE_PINGROUP_##_name, \
.hsm = TEGRA_HSM_DISABLE, \
.schmitt = TEGRA_SCHMITT_ENABLE, \
.drive = TEGRA_DRIVE_DIV_1, \
.pull_down = TEGRA_PULL_31, \
.pull_up = TEGRA_PULL_31, \
.slew_rising = TEGRA_SLEW_SLOWEST, \
.slew_falling = TEGRA_SLEW_SLOWEST, \
}
/* Setting the drive strength of pins
* hsm: Enable High speed mode (ENABLE/DISABLE)
* Schimit: Enable/disable schimit (ENABLE/DISABLE)
* drive: low power mode (DIV_1, DIV_2, DIV_4, DIV_8)
* pulldn_drive - drive down (falling edge) - Driver Output Pull-Down drive
* strength code. Value from 0 to 31.
* pullup_drive - drive up (rising edge) - Driver Output Pull-Up drive
* strength code. Value from 0 to 31.
* pulldn_slew - Driver Output Pull-Up slew control code - 2bit code
* code 11 is least slewing of signal. code 00 is highest
* slewing of the signal.
* Value - FASTEST, FAST, SLOW, SLOWEST
* pullup_slew - Driver Output Pull-Down slew control code -
* code 11 is least slewing of signal. code 00 is highest
* slewing of the signal.
* Value - FASTEST, FAST, SLOW, SLOWEST
*/
#define SET_DRIVE(_name, _hsm, _schmitt, _drive, _pulldn_drive, _pullup_drive, _pulldn_slew, _pullup_slew) \
{ \
.pingroup = TEGRA_DRIVE_PINGROUP_##_name, \
.hsm = TEGRA_HSM_##_hsm, \
.schmitt = TEGRA_SCHMITT_##_schmitt, \
.drive = TEGRA_DRIVE_##_drive, \
.pull_down = TEGRA_PULL_##_pulldn_drive, \
.pull_up = TEGRA_PULL_##_pullup_drive, \
.slew_rising = TEGRA_SLEW_##_pulldn_slew, \
.slew_falling = TEGRA_SLEW_##_pullup_slew, \
}
/* Setting the drive strength of pins
* hsm: Enable High speed mode (ENABLE/DISABLE)
* Schimit: Enable/disable schimit (ENABLE/DISABLE)
* drive: low power mode (DIV_1, DIV_2, DIV_4, DIV_8)
* pulldn_drive - drive down (falling edge) - Driver Output Pull-Down drive
* strength code. Value from 0 to 31.
* pullup_drive - drive up (rising edge) - Driver Output Pull-Up drive
* strength code. Value from 0 to 31.
* pulldn_slew - Driver Output Pull-Up slew control code - 2bit code
* code 11 is least slewing of signal. code 00 is highest
* slewing of the signal.
* Value - FASTEST, FAST, SLOW, SLOWEST
* pullup_slew - Driver Output Pull-Down slew control code -
* code 11 is least slewing of signal. code 00 is highest
* slewing of the signal.
* Value - FASTEST, FAST, SLOW, SLOWEST
* drive_type - Drive type to be used depending on the resistors.
*/
#define SET_DRIVE_WITH_TYPE(_name, _hsm, _schmitt, _drive, _pulldn_drive,\
_pullup_drive, _pulldn_slew, _pullup_slew, _drive_type) \
{ \
.pingroup = TEGRA_DRIVE_PINGROUP_##_name, \
.hsm = TEGRA_HSM_##_hsm, \
.schmitt = TEGRA_SCHMITT_##_schmitt, \
.drive = TEGRA_DRIVE_##_drive, \
.pull_down = TEGRA_PULL_##_pulldn_drive, \
.pull_up = TEGRA_PULL_##_pullup_drive, \
.slew_rising = TEGRA_SLEW_##_pulldn_slew, \
.slew_falling = TEGRA_SLEW_##_pullup_slew, \
.drive_type = TEGRA_DRIVE_TYPE_##_drive_type, \
}
#define DEFAULT_PINMUX(_pingroup, _mux, _pupd, _tri, _io) \
{ \
.pingroup = TEGRA_PINGROUP_##_pingroup, \
.func = TEGRA_MUX_##_mux, \
.pupd = TEGRA_PUPD_##_pupd, \
.tristate = TEGRA_TRI_##_tri, \
.io = TEGRA_PIN_##_io, \
.lock = TEGRA_PIN_LOCK_DEFAULT, \
.od = TEGRA_PIN_OD_DEFAULT, \
.ioreset = TEGRA_PIN_IO_RESET_DEFAULT, \
}
#define I2C_PINMUX(_pingroup, _mux, _pupd, _tri, _io, _lock, _od) \
{ \
.pingroup = TEGRA_PINGROUP_##_pingroup, \
.func = TEGRA_MUX_##_mux, \
.pupd = TEGRA_PUPD_##_pupd, \
.tristate = TEGRA_TRI_##_tri, \
.io = TEGRA_PIN_##_io, \
.lock = TEGRA_PIN_LOCK_##_lock, \
.od = TEGRA_PIN_OD_##_od, \
.ioreset = TEGRA_PIN_IO_RESET_DEFAULT, \
}
#define DDC_PINMUX(_pingroup, _mux, _pupd, _tri, _io, _lock, _rcv_sel) \
{ \
.pingroup = TEGRA_PINGROUP_##_pingroup, \
.func = TEGRA_MUX_##_mux, \
.pupd = TEGRA_PUPD_##_pupd, \
.tristate = TEGRA_TRI_##_tri, \
.io = TEGRA_PIN_##_io, \
.lock = TEGRA_PIN_LOCK_##_lock, \
.rcv_sel = TEGRA_PIN_RCV_SEL_##_rcv_sel, \
.ioreset = TEGRA_PIN_IO_RESET_DEFAULT, \
}
#define VI_PINMUX(_pingroup, _mux, _pupd, _tri, _io, _lock, _ioreset) \
{ \
.pingroup = TEGRA_PINGROUP_##_pingroup, \
.func = TEGRA_MUX_##_mux, \
.pupd = TEGRA_PUPD_##_pupd, \
.tristate = TEGRA_TRI_##_tri, \
.io = TEGRA_PIN_##_io, \
.lock = TEGRA_PIN_LOCK_##_lock, \
.od = TEGRA_PIN_OD_DEFAULT, \
.ioreset = TEGRA_PIN_IO_RESET_##_ioreset \
}
#define CEC_PINMUX(_pingroup, _mux, _pupd, _tri, _io, _lock, _od) \
{ \
.pingroup = TEGRA_PINGROUP_##_pingroup, \
.func = TEGRA_MUX_##_mux, \
.pupd = TEGRA_PUPD_##_pupd, \
.tristate = TEGRA_TRI_##_tri, \
.io = TEGRA_PIN_##_io, \
.lock = TEGRA_PIN_LOCK_##_lock, \
.od = TEGRA_PIN_OD_##_od, \
.ioreset = TEGRA_PIN_IO_RESET_DEFAULT, \
}
#define GPIO_PINMUX(_pingroup, _pupd, _tri, _io, _od) \
{ \
.pingroup = TEGRA_PINGROUP_##_pingroup, \
.func = TEGRA_MUX_SAFE, \
.pupd = TEGRA_PUPD_##_pupd, \
.tristate = TEGRA_TRI_##_tri, \
.io = TEGRA_PIN_##_io, \
.lock = TEGRA_PIN_LOCK_DEFAULT, \
.od = TEGRA_PIN_OD_##_od, \
.ioreset = TEGRA_PIN_IO_RESET_DEFAULT, \
}
#define UNUSED_PINMUX(_pingroup) \
{ \
.pingroup = TEGRA_PINGROUP_##_pingroup, \
.func = TEGRA_MUX_SAFE, \
.pupd = TEGRA_PUPD_PULL_DOWN, \
.tristate = TEGRA_TRI_TRISTATE, \
.io = TEGRA_PIN_OUTPUT, \
.lock = TEGRA_PIN_LOCK_DEFAULT, \
.od = TEGRA_PIN_OD_DEFAULT, \
.ioreset = TEGRA_PIN_IO_RESET_DEFAULT, \
}
#define USB_PINMUX CEC_PINMUX
#define GPIO_INIT_PIN_MODE(_gpio, _is_input, _value) \
{ \
.gpio_nr = _gpio, \
.is_input = _is_input, \
.value = _value, \
}
static __initdata struct tegra_drive_pingroup_config macallan_drive_pinmux[] = {
/* DEFAULT_DRIVE(<pin_group>), */
/* SDMMC1 */
SET_DRIVE(SDIO1, ENABLE, DISABLE, DIV_1, 36, 20, SLOW, SLOW),
/* SDMMC3 */
SET_DRIVE(SDIO3, ENABLE, DISABLE, DIV_1, 22, 36, FASTEST, FASTEST),
/* SDMMC4 */
SET_DRIVE_WITH_TYPE(GMA, ENABLE, DISABLE, DIV_1, 2, 2, FASTEST,
FASTEST, 1),
};
#include "board-macallan-pinmux-t11x.h"
/* THIS IS FOR TESTING OR WORKAROUND PURPOSES. ANYTHING INSIDE THIS TABLE
* SHOULD BE PUSHED TO PINMUX SPREADSHEET FOR AUTOGEN OR FIXED
* */
static __initdata struct tegra_pingroup_config manual_config_pinmux[] = {
/* ULPI SFIOs are not supposed to be supported.
* This setting is only for Macallan. */
DEFAULT_PINMUX(ULPI_DATA0, ULPI, NORMAL, NORMAL, INPUT),
DEFAULT_PINMUX(ULPI_DATA1, ULPI, NORMAL, NORMAL, INPUT),
DEFAULT_PINMUX(ULPI_DATA5, ULPI, NORMAL, NORMAL, INPUT),
DEFAULT_PINMUX(ULPI_DATA6, ULPI, NORMAL, NORMAL, INPUT),
DEFAULT_PINMUX(ULPI_DATA7, ULPI, NORMAL, NORMAL, INPUT),
};
static void __init macallan_gpio_init_configure(void)
{
int len;
int i;
struct gpio_init_pin_info *pins_info;
len = ARRAY_SIZE(init_gpio_mode_macallan_common);
pins_info = init_gpio_mode_macallan_common;
for (i = 0; i < len; ++i) {
tegra_gpio_init_configure(pins_info->gpio_nr,
pins_info->is_input, pins_info->value);
pins_info++;
}
}
int __init macallan_pinmux_init(void)
{
macallan_gpio_init_configure();
tegra_pinmux_config_table(macallan_pinmux_common,
ARRAY_SIZE(macallan_pinmux_common));
tegra_drive_pinmux_config_table(macallan_drive_pinmux,
ARRAY_SIZE(macallan_drive_pinmux));
tegra_pinmux_config_table(unused_pins_lowpower,
ARRAY_SIZE(unused_pins_lowpower));
tegra_pinmux_config_table(manual_config_pinmux,
ARRAY_SIZE(manual_config_pinmux));
return 0;
}
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