diff options
author | Robby Cai <R63905@freescale.com> | 2010-01-20 20:35:12 +0800 |
---|---|---|
committer | Alejandro Gonzalez <alex.gonzalez@digi.com> | 2010-05-25 11:09:56 +0200 |
commit | 460880faa9e2b08a336b35840664e2d7fdc019cb (patch) | |
tree | bc574dd84f1337850d525199f62ae411700b44e8 /arch/arm/mach-mx28/mx28evk_pins.c | |
parent | ebeb7921233812989c7c779921b98a7742bb99a0 (diff) |
ENGR00117720-1 MX28: Add MSL codes to support MX28EVK
Add the MSL codes(New Framework) for MX28,
including clock, gpio, pinctrl, interrupt, timer, DMA, etc.
Signed-off-by: Fred Fan <r01011@freescale.com>
Signed-off-by: Robby Cai <R63905@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
Diffstat (limited to 'arch/arm/mach-mx28/mx28evk_pins.c')
-rw-r--r-- | arch/arm/mach-mx28/mx28evk_pins.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/arm/mach-mx28/mx28evk_pins.c b/arch/arm/mach-mx28/mx28evk_pins.c new file mode 100644 index 000000000000..58d6ba6c3eb7 --- /dev/null +++ b/arch/arm/mach-mx28/mx28evk_pins.c @@ -0,0 +1,66 @@ +/* + * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/irq.h> +#include <linux/gpio.h> + +#include <mach/pinctrl.h> + +#include "mx28_pins.h" + +static struct pin_desc mx28evk_fixed_pins[] = { + { + .name = "DUART.RX", + .id = PINID_PWM0, + .fun = PIN_FUN3, + }, + { + .name = "DUART.TX", + .id = PINID_PWM1, + .fun = PIN_FUN3, + }, +}; + +void __init mx28evk_pins_init(void) +{ + int i; + struct pin_desc *pin; + for (i = 0; i < ARRAY_SIZE(mx28evk_fixed_pins); i++) { + pin = &mx28evk_fixed_pins[i]; + if (pin->fun == PIN_GPIO) + gpio_request(MXS_PIN_TO_GPIO(pin->id), pin->name); + else + mxs_request_pin(pin->id, pin->fun, pin->name); + if (pin->drive) { + mxs_set_strength(pin->id, pin->strength, pin->name); + mxs_set_voltage(pin->id, pin->voltage, pin->name); + } + if (pin->pull) + mxs_set_pullup(pin->id, pin->pullup, pin->name); + if (pin->fun == PIN_GPIO) { + if (pin->input) + gpio_direction_input(MXS_PIN_TO_GPIO(pin->id)); + else + gpio_direction_output(MXS_PIN_TO_GPIO(pin->id), + pin->data); + } + } +} |