2 * LILLY-1131 development board support
4 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
6 * based on code for other MX31 boards,
8 * Copyright 2005-2007 Freescale Semiconductor
9 * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
10 * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include <linux/kernel.h>
28 #include <linux/types.h>
29 #include <linux/init.h>
30 #include <linux/gpio.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
36 #include <mach/hardware.h>
37 #include <mach/common.h>
38 #include <mach/imx-uart.h>
39 #include <mach/iomux-mx3.h>
40 #include <mach/board-mx31lilly.h>
46 * This file contains board-specific initialization routines for the
47 * LILLY-1131 development board. If you design an own baseboard for the
48 * module, use this file as base for support code.
51 static unsigned int lilly_db_board_pins
[] __initdata
= {
56 MX31_PIN_SD1_DATA3__SD1_DATA3
,
57 MX31_PIN_SD1_DATA2__SD1_DATA2
,
58 MX31_PIN_SD1_DATA1__SD1_DATA1
,
59 MX31_PIN_SD1_DATA0__SD1_DATA0
,
60 MX31_PIN_SD1_CLK__SD1_CLK
,
61 MX31_PIN_SD1_CMD__SD1_CMD
,
65 static struct imxuart_platform_data uart_pdata __initdata
= {
66 .flags
= IMXUART_HAVE_RTSCTS
,
71 static int mxc_mmc1_get_ro(struct device
*dev
)
73 return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_LCS0
));
76 static int gpio_det
, gpio_wp
;
78 static int mxc_mmc1_init(struct device
*dev
,
79 irq_handler_t detect_irq
, void *data
)
83 gpio_det
= IOMUX_TO_GPIO(MX31_PIN_GPIO1_1
);
84 gpio_wp
= IOMUX_TO_GPIO(MX31_PIN_LCS0
);
86 ret
= gpio_request(gpio_det
, "MMC detect");
90 ret
= gpio_request(gpio_wp
, "MMC w/p");
94 gpio_direction_input(gpio_det
);
95 gpio_direction_input(gpio_wp
);
97 ret
= request_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1
), detect_irq
,
98 IRQF_DISABLED
| IRQF_TRIGGER_FALLING
,
114 static void mxc_mmc1_exit(struct device
*dev
, void *data
)
118 free_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1
), data
);
121 static struct imxmmc_platform_data mmc_pdata
= {
122 .get_ro
= mxc_mmc1_get_ro
,
123 .init
= mxc_mmc1_init
,
124 .exit
= mxc_mmc1_exit
,
127 void __init
mx31lilly_db_init(void)
129 mxc_iomux_setup_multiple_pins(lilly_db_board_pins
,
130 ARRAY_SIZE(lilly_db_board_pins
),
131 "development board pins");
132 mxc_register_device(&mxc_uart_device0
, &uart_pdata
);
133 mxc_register_device(&mxcsdhc_device0
, &mmc_pdata
);