diff options
Diffstat (limited to 'arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c')
-rw-r--r-- | arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c | 166 |
1 files changed, 166 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 000000000000..2b48f5190830 --- /dev/null +++ b/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c | |||
@@ -0,0 +1,166 @@ | |||
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/gpio_keys.h> | ||
31 | #include <linux/input.h> | ||
32 | #include <linux/i2c.h> | ||
33 | |||
34 | #include <asm/mach-types.h> | ||
35 | #include <asm/mach/arch.h> | ||
36 | #include <asm/mach/time.h> | ||
37 | #include <asm/mach/map.h> | ||
38 | |||
39 | #include <mach/hardware.h> | ||
40 | #include <mach/common.h> | ||
41 | #include <mach/imx-uart.h> | ||
42 | #include <mach/iomux-mx51.h> | ||
43 | #include <mach/audmux.h> | ||
44 | |||
45 | #include "devices-imx51.h" | ||
46 | #include "devices.h" | ||
47 | |||
48 | #define MBIMXSD_GPIO_3_31 IOMUX_PAD(0x554, 0x16C, 3, 0x0, 0, \ | ||
49 | MX51_PAD_CTRL_1 | PAD_CTL_PUS_22K_UP) | ||
50 | |||
51 | static struct pad_desc eukrea_mbimxsd_pads[] = { | ||
52 | /* LED */ | ||
53 | MX51_PAD_NANDF_D10__GPIO_3_30, | ||
54 | /* SWITCH */ | ||
55 | MBIMXSD_GPIO_3_31, | ||
56 | /* UART2 */ | ||
57 | MX51_PAD_UART2_RXD__UART2_RXD, | ||
58 | MX51_PAD_UART2_TXD__UART2_TXD, | ||
59 | /* UART 3 */ | ||
60 | MX51_PAD_UART3_RXD__UART3_RXD, | ||
61 | MX51_PAD_UART3_TXD__UART3_TXD, | ||
62 | MX51_PAD_KEY_COL4__UART3_RTS, | ||
63 | MX51_PAD_KEY_COL5__UART3_CTS, | ||
64 | /* SD */ | ||
65 | MX51_PAD_SD1_CMD__SD1_CMD, | ||
66 | MX51_PAD_SD1_CLK__SD1_CLK, | ||
67 | MX51_PAD_SD1_DATA0__SD1_DATA0, | ||
68 | MX51_PAD_SD1_DATA1__SD1_DATA1, | ||
69 | MX51_PAD_SD1_DATA2__SD1_DATA2, | ||
70 | MX51_PAD_SD1_DATA3__SD1_DATA3, | ||
71 | }; | ||
72 | |||
73 | #define GPIO_LED1 (2 * 32 + 30) | ||
74 | #define GPIO_SWITCH1 (2 * 32 + 31) | ||
75 | |||
76 | static struct gpio_led eukrea_mbimxsd_leds[] = { | ||
77 | { | ||
78 | .name = "led1", | ||
79 | .default_trigger = "heartbeat", | ||
80 | .active_low = 1, | ||
81 | .gpio = GPIO_LED1, | ||
82 | }, | ||
83 | }; | ||
84 | |||
85 | static struct gpio_led_platform_data eukrea_mbimxsd_led_info = { | ||
86 | .leds = eukrea_mbimxsd_leds, | ||
87 | .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds), | ||
88 | }; | ||
89 | |||
90 | static struct platform_device eukrea_mbimxsd_leds_gpio = { | ||
91 | .name = "leds-gpio", | ||
92 | .id = -1, | ||
93 | .dev = { | ||
94 | .platform_data = &eukrea_mbimxsd_led_info, | ||
95 | }, | ||
96 | }; | ||
97 | |||
98 | static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = { | ||
99 | { | ||
100 | .gpio = GPIO_SWITCH1, | ||
101 | .code = BTN_0, | ||
102 | .desc = "BP1", | ||
103 | .active_low = 1, | ||
104 | .wakeup = 1, | ||
105 | }, | ||
106 | }; | ||
107 | |||
108 | static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = { | ||
109 | .buttons = eukrea_mbimxsd_gpio_buttons, | ||
110 | .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons), | ||
111 | }; | ||
112 | |||
113 | static struct platform_device eukrea_mbimxsd_button_device = { | ||
114 | .name = "gpio-keys", | ||
115 | .id = -1, | ||
116 | .num_resources = 0, | ||
117 | .dev = { | ||
118 | .platform_data = &eukrea_mbimxsd_button_data, | ||
119 | } | ||
120 | }; | ||
121 | |||
122 | static struct platform_device *platform_devices[] __initdata = { | ||
123 | &eukrea_mbimxsd_leds_gpio, | ||
124 | &eukrea_mbimxsd_button_device, | ||
125 | }; | ||
126 | |||
127 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
128 | .flags = IMXUART_HAVE_RTSCTS, | ||
129 | }; | ||
130 | |||
131 | static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = { | ||
132 | { | ||
133 | I2C_BOARD_INFO("tlv320aic23", 0x1a), | ||
134 | }, | ||
135 | }; | ||
136 | |||
137 | /* | ||
138 | * system init for baseboard usage. Will be called by cpuimx51sd init. | ||
139 | * | ||
140 | * Add platform devices present on this baseboard and init | ||
141 | * them from CPU side as far as required to use them later on | ||
142 | */ | ||
143 | void __init eukrea_mbimxsd51_baseboard_init(void) | ||
144 | { | ||
145 | if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads, | ||
146 | ARRAY_SIZE(eukrea_mbimxsd_pads))) | ||
147 | printk(KERN_ERR "error setting mbimxsd pads !\n"); | ||
148 | |||
149 | imx51_add_imx_uart(1, NULL); | ||
150 | imx51_add_imx_uart(2, &uart_pdata); | ||
151 | |||
152 | imx51_add_esdhc(0, NULL); | ||
153 | |||
154 | gpio_request(GPIO_LED1, "LED1"); | ||
155 | gpio_direction_output(GPIO_LED1, 1); | ||
156 | gpio_free(GPIO_LED1); | ||
157 | |||
158 | gpio_request(GPIO_SWITCH1, "SWITCH1"); | ||
159 | gpio_direction_input(GPIO_SWITCH1); | ||
160 | gpio_free(GPIO_SWITCH1); | ||
161 | |||
162 | i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices, | ||
163 | ARRAY_SIZE(eukrea_mbimxsd_i2c_devices)); | ||
164 | |||
165 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
166 | } | ||