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70b17268 EB |
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 | ||
8f5260c8 | 48 | static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = { |
70b17268 | 49 | /* LED */ |
ee1ae4d7 | 50 | MX51_PAD_NANDF_D10__GPIO3_30, |
70b17268 | 51 | /* SWITCH */ |
ee1ae4d7 SH |
52 | _MX51_PAD_NANDF_D9__GPIO3_31 | MUX_PAD_CTRL(PAD_CTL_PUS_22K_UP | |
53 | PAD_CTL_PKE | PAD_CTL_SRE_FAST | | |
54 | PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS), | |
70b17268 EB |
55 | /* UART2 */ |
56 | MX51_PAD_UART2_RXD__UART2_RXD, | |
57 | MX51_PAD_UART2_TXD__UART2_TXD, | |
58 | /* UART 3 */ | |
59 | MX51_PAD_UART3_RXD__UART3_RXD, | |
60 | MX51_PAD_UART3_TXD__UART3_TXD, | |
61 | MX51_PAD_KEY_COL4__UART3_RTS, | |
62 | MX51_PAD_KEY_COL5__UART3_CTS, | |
63 | /* SD */ | |
64 | MX51_PAD_SD1_CMD__SD1_CMD, | |
65 | MX51_PAD_SD1_CLK__SD1_CLK, | |
66 | MX51_PAD_SD1_DATA0__SD1_DATA0, | |
67 | MX51_PAD_SD1_DATA1__SD1_DATA1, | |
68 | MX51_PAD_SD1_DATA2__SD1_DATA2, | |
69 | MX51_PAD_SD1_DATA3__SD1_DATA3, | |
70 | }; | |
71 | ||
96886c43 AP |
72 | #define GPIO_LED1 IMX_GPIO_NR(3, 30) |
73 | #define GPIO_SWITCH1 IMX_GPIO_NR(3, 31) | |
70b17268 EB |
74 | |
75 | static struct gpio_led eukrea_mbimxsd_leds[] = { | |
76 | { | |
77 | .name = "led1", | |
78 | .default_trigger = "heartbeat", | |
79 | .active_low = 1, | |
80 | .gpio = GPIO_LED1, | |
81 | }, | |
82 | }; | |
83 | ||
84 | static struct gpio_led_platform_data eukrea_mbimxsd_led_info = { | |
85 | .leds = eukrea_mbimxsd_leds, | |
86 | .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds), | |
87 | }; | |
88 | ||
89 | static struct platform_device eukrea_mbimxsd_leds_gpio = { | |
90 | .name = "leds-gpio", | |
91 | .id = -1, | |
92 | .dev = { | |
93 | .platform_data = &eukrea_mbimxsd_led_info, | |
94 | }, | |
95 | }; | |
96 | ||
97 | static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = { | |
98 | { | |
99 | .gpio = GPIO_SWITCH1, | |
100 | .code = BTN_0, | |
101 | .desc = "BP1", | |
102 | .active_low = 1, | |
103 | .wakeup = 1, | |
104 | }, | |
105 | }; | |
106 | ||
107 | static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = { | |
108 | .buttons = eukrea_mbimxsd_gpio_buttons, | |
109 | .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons), | |
110 | }; | |
111 | ||
112 | static struct platform_device eukrea_mbimxsd_button_device = { | |
113 | .name = "gpio-keys", | |
114 | .id = -1, | |
115 | .num_resources = 0, | |
116 | .dev = { | |
117 | .platform_data = &eukrea_mbimxsd_button_data, | |
118 | } | |
119 | }; | |
120 | ||
121 | static struct platform_device *platform_devices[] __initdata = { | |
122 | &eukrea_mbimxsd_leds_gpio, | |
123 | &eukrea_mbimxsd_button_device, | |
124 | }; | |
125 | ||
126 | static const struct imxuart_platform_data uart_pdata __initconst = { | |
127 | .flags = IMXUART_HAVE_RTSCTS, | |
128 | }; | |
129 | ||
130 | static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = { | |
131 | { | |
132 | I2C_BOARD_INFO("tlv320aic23", 0x1a), | |
133 | }, | |
134 | }; | |
135 | ||
136 | /* | |
137 | * system init for baseboard usage. Will be called by cpuimx51sd init. | |
138 | * | |
139 | * Add platform devices present on this baseboard and init | |
140 | * them from CPU side as far as required to use them later on | |
141 | */ | |
142 | void __init eukrea_mbimxsd51_baseboard_init(void) | |
143 | { | |
144 | if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads, | |
145 | ARRAY_SIZE(eukrea_mbimxsd_pads))) | |
146 | printk(KERN_ERR "error setting mbimxsd pads !\n"); | |
147 | ||
148 | imx51_add_imx_uart(1, NULL); | |
149 | imx51_add_imx_uart(2, &uart_pdata); | |
150 | ||
124bf94a | 151 | imx51_add_sdhci_esdhc_imx(0, NULL); |
70b17268 EB |
152 | |
153 | gpio_request(GPIO_LED1, "LED1"); | |
154 | gpio_direction_output(GPIO_LED1, 1); | |
155 | gpio_free(GPIO_LED1); | |
156 | ||
157 | gpio_request(GPIO_SWITCH1, "SWITCH1"); | |
158 | gpio_direction_input(GPIO_SWITCH1); | |
159 | gpio_free(GPIO_SWITCH1); | |
160 | ||
161 | i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices, | |
162 | ARRAY_SIZE(eukrea_mbimxsd_i2c_devices)); | |
163 | ||
164 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | |
165 | } |