diff options
Diffstat (limited to 'arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c')
-rw-r--r-- | arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c new file mode 100644 index 000000000000..96a24b73dc23 --- /dev/null +++ b/arch/arm/mach-imx/eukrea_mbimxsd51-baseboard.c | |||
@@ -0,0 +1,231 @@ | |||
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/leds.h> | ||
28 | #include <linux/platform_device.h> | ||
29 | #include <linux/input.h> | ||
30 | #include <linux/i2c.h> | ||
31 | #include <video/platform_lcd.h> | ||
32 | #include <linux/backlight.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/iomux-mx51.h> | ||
42 | |||
43 | #include "devices-imx51.h" | ||
44 | |||
45 | static iomux_v3_cfg_t eukrea_mbimxsd51_pads[] = { | ||
46 | /* LED */ | ||
47 | MX51_PAD_NANDF_D10__GPIO3_30, | ||
48 | /* SWITCH */ | ||
49 | NEW_PAD_CTRL(MX51_PAD_NANDF_D9__GPIO3_31, PAD_CTL_PUS_22K_UP | | ||
50 | PAD_CTL_PKE | PAD_CTL_SRE_FAST | | ||
51 | PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS), | ||
52 | /* UART2 */ | ||
53 | MX51_PAD_UART2_RXD__UART2_RXD, | ||
54 | MX51_PAD_UART2_TXD__UART2_TXD, | ||
55 | /* UART 3 */ | ||
56 | MX51_PAD_UART3_RXD__UART3_RXD, | ||
57 | MX51_PAD_UART3_TXD__UART3_TXD, | ||
58 | MX51_PAD_KEY_COL4__UART3_RTS, | ||
59 | MX51_PAD_KEY_COL5__UART3_CTS, | ||
60 | /* SD */ | ||
61 | MX51_PAD_SD1_CMD__SD1_CMD, | ||
62 | MX51_PAD_SD1_CLK__SD1_CLK, | ||
63 | MX51_PAD_SD1_DATA0__SD1_DATA0, | ||
64 | MX51_PAD_SD1_DATA1__SD1_DATA1, | ||
65 | MX51_PAD_SD1_DATA2__SD1_DATA2, | ||
66 | MX51_PAD_SD1_DATA3__SD1_DATA3, | ||
67 | /* SD1 CD */ | ||
68 | NEW_PAD_CTRL(MX51_PAD_GPIO1_0__SD1_CD, PAD_CTL_PUS_22K_UP | | ||
69 | PAD_CTL_PKE | PAD_CTL_SRE_FAST | | ||
70 | PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS), | ||
71 | /* SSI */ | ||
72 | MX51_PAD_AUD3_BB_TXD__AUD3_TXD, | ||
73 | MX51_PAD_AUD3_BB_RXD__AUD3_RXD, | ||
74 | MX51_PAD_AUD3_BB_CK__AUD3_TXC, | ||
75 | MX51_PAD_AUD3_BB_FS__AUD3_TXFS, | ||
76 | /* LCD Backlight */ | ||
77 | MX51_PAD_DI1_D1_CS__GPIO3_4, | ||
78 | /* LCD RST */ | ||
79 | MX51_PAD_CSI1_D9__GPIO3_13, | ||
80 | }; | ||
81 | |||
82 | #define GPIO_LED1 IMX_GPIO_NR(3, 30) | ||
83 | #define GPIO_SWITCH1 IMX_GPIO_NR(3, 31) | ||
84 | #define GPIO_LCDRST IMX_GPIO_NR(3, 13) | ||
85 | #define GPIO_LCDBL IMX_GPIO_NR(3, 4) | ||
86 | |||
87 | static void eukrea_mbimxsd51_lcd_power_set(struct plat_lcd_data *pd, | ||
88 | unsigned int power) | ||
89 | { | ||
90 | if (power) | ||
91 | gpio_direction_output(GPIO_LCDRST, 1); | ||
92 | else | ||
93 | gpio_direction_output(GPIO_LCDRST, 0); | ||
94 | } | ||
95 | |||
96 | static struct plat_lcd_data eukrea_mbimxsd51_lcd_power_data = { | ||
97 | .set_power = eukrea_mbimxsd51_lcd_power_set, | ||
98 | }; | ||
99 | |||
100 | static struct platform_device eukrea_mbimxsd51_lcd_powerdev = { | ||
101 | .name = "platform-lcd", | ||
102 | .dev.platform_data = &eukrea_mbimxsd51_lcd_power_data, | ||
103 | }; | ||
104 | |||
105 | static void eukrea_mbimxsd51_bl_set_intensity(int intensity) | ||
106 | { | ||
107 | if (intensity) | ||
108 | gpio_direction_output(GPIO_LCDBL, 1); | ||
109 | else | ||
110 | gpio_direction_output(GPIO_LCDBL, 0); | ||
111 | } | ||
112 | |||
113 | static struct generic_bl_info eukrea_mbimxsd51_bl_info = { | ||
114 | .name = "eukrea_mbimxsd51-bl", | ||
115 | .max_intensity = 0xff, | ||
116 | .default_intensity = 0xff, | ||
117 | .set_bl_intensity = eukrea_mbimxsd51_bl_set_intensity, | ||
118 | }; | ||
119 | |||
120 | static struct platform_device eukrea_mbimxsd51_bl_dev = { | ||
121 | .name = "generic-bl", | ||
122 | .id = 1, | ||
123 | .dev = { | ||
124 | .platform_data = &eukrea_mbimxsd51_bl_info, | ||
125 | }, | ||
126 | }; | ||
127 | |||
128 | static const struct gpio_led eukrea_mbimxsd51_leds[] __initconst = { | ||
129 | { | ||
130 | .name = "led1", | ||
131 | .default_trigger = "heartbeat", | ||
132 | .active_low = 1, | ||
133 | .gpio = GPIO_LED1, | ||
134 | }, | ||
135 | }; | ||
136 | |||
137 | static const struct gpio_led_platform_data | ||
138 | eukrea_mbimxsd51_led_info __initconst = { | ||
139 | .leds = eukrea_mbimxsd51_leds, | ||
140 | .num_leds = ARRAY_SIZE(eukrea_mbimxsd51_leds), | ||
141 | }; | ||
142 | |||
143 | static struct gpio_keys_button eukrea_mbimxsd51_gpio_buttons[] = { | ||
144 | { | ||
145 | .gpio = GPIO_SWITCH1, | ||
146 | .code = BTN_0, | ||
147 | .desc = "BP1", | ||
148 | .active_low = 1, | ||
149 | .wakeup = 1, | ||
150 | }, | ||
151 | }; | ||
152 | |||
153 | static const struct gpio_keys_platform_data | ||
154 | eukrea_mbimxsd51_button_data __initconst = { | ||
155 | .buttons = eukrea_mbimxsd51_gpio_buttons, | ||
156 | .nbuttons = ARRAY_SIZE(eukrea_mbimxsd51_gpio_buttons), | ||
157 | }; | ||
158 | |||
159 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
160 | .flags = IMXUART_HAVE_RTSCTS, | ||
161 | }; | ||
162 | |||
163 | static struct i2c_board_info eukrea_mbimxsd51_i2c_devices[] = { | ||
164 | { | ||
165 | I2C_BOARD_INFO("tlv320aic23", 0x1a), | ||
166 | }, | ||
167 | }; | ||
168 | |||
169 | static const | ||
170 | struct imx_ssi_platform_data eukrea_mbimxsd51_ssi_pdata __initconst = { | ||
171 | .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE, | ||
172 | }; | ||
173 | |||
174 | static int screen_type; | ||
175 | |||
176 | static int __init eukrea_mbimxsd51_screen_type(char *options) | ||
177 | { | ||
178 | if (!strcmp(options, "dvi")) | ||
179 | screen_type = 1; | ||
180 | else if (!strcmp(options, "tft")) | ||
181 | screen_type = 0; | ||
182 | |||
183 | return 0; | ||
184 | } | ||
185 | __setup("screen_type=", eukrea_mbimxsd51_screen_type); | ||
186 | |||
187 | /* | ||
188 | * system init for baseboard usage. Will be called by cpuimx51sd init. | ||
189 | * | ||
190 | * Add platform devices present on this baseboard and init | ||
191 | * them from CPU side as far as required to use them later on | ||
192 | */ | ||
193 | void __init eukrea_mbimxsd51_baseboard_init(void) | ||
194 | { | ||
195 | if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd51_pads, | ||
196 | ARRAY_SIZE(eukrea_mbimxsd51_pads))) | ||
197 | printk(KERN_ERR "error setting mbimxsd pads !\n"); | ||
198 | |||
199 | imx51_add_imx_uart(1, NULL); | ||
200 | imx51_add_imx_uart(2, &uart_pdata); | ||
201 | |||
202 | imx51_add_sdhci_esdhc_imx(0, NULL); | ||
203 | |||
204 | imx51_add_imx_ssi(0, &eukrea_mbimxsd51_ssi_pdata); | ||
205 | |||
206 | gpio_request(GPIO_LED1, "LED1"); | ||
207 | gpio_direction_output(GPIO_LED1, 1); | ||
208 | gpio_free(GPIO_LED1); | ||
209 | |||
210 | gpio_request(GPIO_SWITCH1, "SWITCH1"); | ||
211 | gpio_direction_input(GPIO_SWITCH1); | ||
212 | gpio_free(GPIO_SWITCH1); | ||
213 | |||
214 | gpio_request(GPIO_LCDRST, "LCDRST"); | ||
215 | gpio_direction_output(GPIO_LCDRST, 0); | ||
216 | gpio_request(GPIO_LCDBL, "LCDBL"); | ||
217 | gpio_direction_output(GPIO_LCDBL, 0); | ||
218 | if (!screen_type) { | ||
219 | platform_device_register(&eukrea_mbimxsd51_bl_dev); | ||
220 | platform_device_register(&eukrea_mbimxsd51_lcd_powerdev); | ||
221 | } else { | ||
222 | gpio_free(GPIO_LCDRST); | ||
223 | gpio_free(GPIO_LCDBL); | ||
224 | } | ||
225 | |||
226 | i2c_register_board_info(0, eukrea_mbimxsd51_i2c_devices, | ||
227 | ARRAY_SIZE(eukrea_mbimxsd51_i2c_devices)); | ||
228 | |||
229 | gpio_led_register_device(-1, &eukrea_mbimxsd51_led_info); | ||
230 | imx_add_gpio_keys(&eukrea_mbimxsd51_button_data); | ||
231 | } | ||