2 * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright (C) 2010 Jason Wang <jason77.wang@gmail.com>
5 * The code contained herein is licensed under the GNU General Public
6 * License. You may obtain a copy of the GNU General Public License
7 * Version 2 or later at the following locations:
9 * http://www.opensource.org/licenses/gpl-license.html
10 * http://www.gnu.org/copyleft/gpl.html
13 #include <linux/irq.h>
14 #include <linux/platform_device.h>
15 #include <linux/input/matrix_keypad.h>
16 #include <linux/spi/spi.h>
18 #include <asm/mach-types.h>
19 #include <asm/mach/arch.h>
20 #include <asm/mach/time.h>
22 #include <mach/hardware.h>
23 #include <mach/common.h>
24 #include <mach/iomux-mx51.h>
25 #include <mach/3ds_debugboard.h>
27 #include "devices-imx51.h"
30 #define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTA + 6)
31 #define MX51_3DS_ECSPI2_CS (GPIO_PORTC + 28)
33 static struct pad_desc mx51_3ds_pads
[] = {
35 MX51_PAD_UART1_RXD__UART1_RXD
,
36 MX51_PAD_UART1_TXD__UART1_TXD
,
37 MX51_PAD_UART1_RTS__UART1_RTS
,
38 MX51_PAD_UART1_CTS__UART1_CTS
,
41 MX51_PAD_UART2_RXD__UART2_RXD
,
42 MX51_PAD_UART2_TXD__UART2_TXD
,
43 MX51_PAD_EIM_D25__UART2_CTS
,
44 MX51_PAD_EIM_D26__UART2_RTS
,
47 MX51_PAD_UART3_RXD__UART3_RXD
,
48 MX51_PAD_UART3_TXD__UART3_TXD
,
49 MX51_PAD_EIM_D24__UART3_CTS
,
50 MX51_PAD_EIM_D27__UART3_RTS
,
52 /* CPLD PARENT IRQ PIN */
53 MX51_PAD_GPIO_1_6__GPIO_1_6
,
56 MX51_PAD_KEY_ROW0__KEY_ROW0
,
57 MX51_PAD_KEY_ROW1__KEY_ROW1
,
58 MX51_PAD_KEY_ROW2__KEY_ROW2
,
59 MX51_PAD_KEY_ROW3__KEY_ROW3
,
60 MX51_PAD_KEY_COL0__KEY_COL0
,
61 MX51_PAD_KEY_COL1__KEY_COL1
,
62 MX51_PAD_KEY_COL2__KEY_COL2
,
63 MX51_PAD_KEY_COL3__KEY_COL3
,
64 MX51_PAD_KEY_COL4__KEY_COL4
,
65 MX51_PAD_KEY_COL5__KEY_COL5
,
68 MX51_PAD_NANDF_RB2__ECSPI2_SCLK
,
69 MX51_PAD_NANDF_RB3__ECSPI2_MISO
,
70 MX51_PAD_NANDF_D15__ECSPI2_MOSI
,
71 MX51_PAD_NANDF_D12__GPIO_3_28
,
75 #if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
76 static const struct imxuart_platform_data uart_pdata __initconst
= {
77 .flags
= IMXUART_HAVE_RTSCTS
,
80 static inline void mxc_init_imx_uart(void)
82 imx51_add_imx_uart(0, &uart_pdata
);
83 imx51_add_imx_uart(1, &uart_pdata
);
84 imx51_add_imx_uart(2, &uart_pdata
);
86 #else /* !SERIAL_IMX */
87 static inline void mxc_init_imx_uart(void)
90 #endif /* SERIAL_IMX */
92 #if defined(CONFIG_KEYBOARD_IMX) || defined(CONFIG_KEYBOARD_IMX_MODULE)
93 static int mx51_3ds_board_keymap
[] = {
105 KEY(1, 4, KEY_SELECT
),
106 KEY(1, 5, KEY_RIGHT
),
118 KEY(3, 3, KEY_ENTER
),
123 static struct matrix_keymap_data mx51_3ds_map_data
= {
124 .keymap
= mx51_3ds_board_keymap
,
125 .keymap_size
= ARRAY_SIZE(mx51_3ds_board_keymap
),
128 static void mxc_init_keypad(void)
130 mxc_register_device(&mxc_keypad_device
, &mx51_3ds_map_data
);
133 static inline void mxc_init_keypad(void)
138 static int mx51_3ds_spi2_cs
[] = {
143 static const struct spi_imx_master mx51_3ds_ecspi2_pdata __initconst
= {
144 .chipselect
= mx51_3ds_spi2_cs
,
145 .num_chipselect
= ARRAY_SIZE(mx51_3ds_spi2_cs
),
148 static struct spi_board_info mx51_3ds_spi_nor_device
[] = {
150 .modalias
= "m25p80",
151 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
155 .platform_data
= NULL
,},
159 * Board specific initialization.
161 static void __init
mxc_board_init(void)
163 mxc_iomux_v3_setup_multiple_pads(mx51_3ds_pads
,
164 ARRAY_SIZE(mx51_3ds_pads
));
167 imx51_add_ecspi(1, &mx51_3ds_ecspi2_pdata
);
168 spi_register_board_info(mx51_3ds_spi_nor_device
,
169 ARRAY_SIZE(mx51_3ds_spi_nor_device
));
171 if (mxc_expio_init(MX51_CS5_BASE_ADDR
, EXPIO_PARENT_INT
))
172 printk(KERN_WARNING
"Init of the debugboard failed, all "
173 "devices on the board are unusable.\n");
178 static void __init
mx51_3ds_timer_init(void)
180 mx51_clocks_init(32768, 24000000, 22579200, 0);
183 static struct sys_timer mxc_timer
= {
184 .init
= mx51_3ds_timer_init
,
187 MACHINE_START(MX51_3DS
, "Freescale MX51 3-Stack Board")
188 /* Maintainer: Freescale Semiconductor, Inc. */
189 .boot_params
= PHYS_OFFSET
+ 0x100,
190 .map_io
= mx51_map_io
,
191 .init_irq
= mx51_init_irq
,
192 .init_machine
= mxc_board_init
,