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Diffstat (limited to 'arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c')
-rw-r--r--arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c b/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c
new file mode 100644
index 00000000000..26192399764
--- /dev/null
+++ b/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c
@@ -0,0 +1,148 @@
1/*
2 * Copyright (C) 2010 Eric Benard - eric@eukrea.com
3 *
4 * Based on pcm970-baseboard.c which is :
5 * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 */
21
22#include <linux/types.h>
23#include <linux/init.h>
24
25#include <linux/gpio.h>
26#include <linux/interrupt.h>
27#include <linux/irq.h>
28#include <linux/leds.h>
29#include <linux/platform_device.h>
30#include <linux/input.h>
31#include <linux/i2c.h>
32
33#include <asm/mach-types.h>
34#include <asm/mach/arch.h>
35#include <asm/mach/time.h>
36#include <asm/mach/map.h>
37
38#include <mach/hardware.h>
39#include <mach/common.h>
40#include <mach/iomux-mx51.h>
41#include <mach/audmux.h>
42
43#include "devices-imx51.h"
44#include "devices.h"
45
46static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
47 /* LED */
48 MX51_PAD_NANDF_D10__GPIO3_30,
49 /* SWITCH */
50 _MX51_PAD_NANDF_D9__GPIO3_31 | MUX_PAD_CTRL(PAD_CTL_PUS_22K_UP |
51 PAD_CTL_PKE | PAD_CTL_SRE_FAST |
52 PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
53 /* UART2 */
54 MX51_PAD_UART2_RXD__UART2_RXD,
55 MX51_PAD_UART2_TXD__UART2_TXD,
56 /* UART 3 */
57 MX51_PAD_UART3_RXD__UART3_RXD,
58 MX51_PAD_UART3_TXD__UART3_TXD,
59 MX51_PAD_KEY_COL4__UART3_RTS,
60 MX51_PAD_KEY_COL5__UART3_CTS,
61 /* SD */
62 MX51_PAD_SD1_CMD__SD1_CMD,
63 MX51_PAD_SD1_CLK__SD1_CLK,
64 MX51_PAD_SD1_DATA0__SD1_DATA0,
65 MX51_PAD_SD1_DATA1__SD1_DATA1,
66 MX51_PAD_SD1_DATA2__SD1_DATA2,
67 MX51_PAD_SD1_DATA3__SD1_DATA3,
68 /* SD1 CD */
69 _MX51_PAD_GPIO1_0__SD1_CD | MUX_PAD_CTRL(PAD_CTL_PUS_22K_UP |
70 PAD_CTL_PKE | PAD_CTL_SRE_FAST |
71 PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
72};
73
74#define GPIO_LED1 IMX_GPIO_NR(3, 30)
75#define GPIO_SWITCH1 IMX_GPIO_NR(3, 31)
76
77static const struct gpio_led eukrea_mbimxsd_leds[] __initconst = {
78 {
79 .name = "led1",
80 .default_trigger = "heartbeat",
81 .active_low = 1,
82 .gpio = GPIO_LED1,
83 },
84};
85
86static const struct gpio_led_platform_data
87 eukrea_mbimxsd_led_info __initconst = {
88 .leds = eukrea_mbimxsd_leds,
89 .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds),
90};
91
92static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
93 {
94 .gpio = GPIO_SWITCH1,
95 .code = BTN_0,
96 .desc = "BP1",
97 .active_low = 1,
98 .wakeup = 1,
99 },
100};
101
102static const struct gpio_keys_platform_data
103 eukrea_mbimxsd_button_data __initconst = {
104 .buttons = eukrea_mbimxsd_gpio_buttons,
105 .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
106};
107
108static const struct imxuart_platform_data uart_pdata __initconst = {
109 .flags = IMXUART_HAVE_RTSCTS,
110};
111
112static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
113 {
114 I2C_BOARD_INFO("tlv320aic23", 0x1a),
115 },
116};
117
118/*
119 * system init for baseboard usage. Will be called by cpuimx51sd init.
120 *
121 * Add platform devices present on this baseboard and init
122 * them from CPU side as far as required to use them later on
123 */
124void __init eukrea_mbimxsd51_baseboard_init(void)
125{
126 if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
127 ARRAY_SIZE(eukrea_mbimxsd_pads)))
128 printk(KERN_ERR "error setting mbimxsd pads !\n");
129
130 imx51_add_imx_uart(1, NULL);
131 imx51_add_imx_uart(2, &uart_pdata);
132
133 imx51_add_sdhci_esdhc_imx(0, NULL);
134
135 gpio_request(GPIO_LED1, "LED1");
136 gpio_direction_output(GPIO_LED1, 1);
137 gpio_free(GPIO_LED1);
138
139 gpio_request(GPIO_SWITCH1, "SWITCH1");
140 gpio_direction_input(GPIO_SWITCH1);
141 gpio_free(GPIO_SWITCH1);
142
143 i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
144 ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
145
146 gpio_led_register_device(-1, &eukrea_mbimxsd_led_info);
147 imx_add_gpio_keys(&eukrea_mbimxsd_button_data);
148}