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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> | |
70b17268 EB |
27 | #include <linux/leds.h> |
28 | #include <linux/platform_device.h> | |
70b17268 EB |
29 | #include <linux/input.h> |
30 | #include <linux/i2c.h> | |
13d1dd83 DC |
31 | #include <video/platform_lcd.h> |
32 | #include <linux/backlight.h> | |
70b17268 EB |
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> | |
70b17268 | 41 | #include <mach/iomux-mx51.h> |
70b17268 EB |
42 | |
43 | #include "devices-imx51.h" | |
70b17268 | 44 | |
53a02d11 | 45 | static iomux_v3_cfg_t eukrea_mbimxsd51_pads[] = { |
70b17268 | 46 | /* LED */ |
ee1ae4d7 | 47 | MX51_PAD_NANDF_D10__GPIO3_30, |
70b17268 | 48 | /* SWITCH */ |
7242e24a | 49 | NEW_PAD_CTRL(MX51_PAD_NANDF_D9__GPIO3_31, PAD_CTL_PUS_22K_UP | |
ee1ae4d7 SH |
50 | PAD_CTL_PKE | PAD_CTL_SRE_FAST | |
51 | PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS), | |
70b17268 EB |
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, | |
ef560bfe | 67 | /* SD1 CD */ |
7242e24a | 68 | NEW_PAD_CTRL(MX51_PAD_GPIO1_0__SD1_CD, PAD_CTL_PUS_22K_UP | |
ef560bfe EB |
69 | PAD_CTL_PKE | PAD_CTL_SRE_FAST | |
70 | PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS), | |
932d67d4 EB |
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, | |
13d1dd83 DC |
76 | /* LCD Backlight */ |
77 | MX51_PAD_DI1_D1_CS__GPIO3_4, | |
78 | /* LCD RST */ | |
79 | MX51_PAD_CSI1_D9__GPIO3_13, | |
70b17268 EB |
80 | }; |
81 | ||
96886c43 APR |
82 | #define GPIO_LED1 IMX_GPIO_NR(3, 30) |
83 | #define GPIO_SWITCH1 IMX_GPIO_NR(3, 31) | |
13d1dd83 DC |
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 | }; | |
70b17268 | 127 | |
53a02d11 | 128 | static const struct gpio_led eukrea_mbimxsd51_leds[] __initconst = { |
70b17268 EB |
129 | { |
130 | .name = "led1", | |
131 | .default_trigger = "heartbeat", | |
132 | .active_low = 1, | |
133 | .gpio = GPIO_LED1, | |
134 | }, | |
135 | }; | |
136 | ||
5b8d628c | 137 | static const struct gpio_led_platform_data |
53a02d11 EB |
138 | eukrea_mbimxsd51_led_info __initconst = { |
139 | .leds = eukrea_mbimxsd51_leds, | |
140 | .num_leds = ARRAY_SIZE(eukrea_mbimxsd51_leds), | |
70b17268 EB |
141 | }; |
142 | ||
53a02d11 | 143 | static struct gpio_keys_button eukrea_mbimxsd51_gpio_buttons[] = { |
70b17268 EB |
144 | { |
145 | .gpio = GPIO_SWITCH1, | |
146 | .code = BTN_0, | |
147 | .desc = "BP1", | |
148 | .active_low = 1, | |
149 | .wakeup = 1, | |
150 | }, | |
151 | }; | |
152 | ||
5309498a | 153 | static const struct gpio_keys_platform_data |
53a02d11 EB |
154 | eukrea_mbimxsd51_button_data __initconst = { |
155 | .buttons = eukrea_mbimxsd51_gpio_buttons, | |
156 | .nbuttons = ARRAY_SIZE(eukrea_mbimxsd51_gpio_buttons), | |
70b17268 EB |
157 | }; |
158 | ||
70b17268 EB |
159 | static const struct imxuart_platform_data uart_pdata __initconst = { |
160 | .flags = IMXUART_HAVE_RTSCTS, | |
161 | }; | |
162 | ||
53a02d11 | 163 | static struct i2c_board_info eukrea_mbimxsd51_i2c_devices[] = { |
70b17268 EB |
164 | { |
165 | I2C_BOARD_INFO("tlv320aic23", 0x1a), | |
166 | }, | |
167 | }; | |
168 | ||
932d67d4 | 169 | static const |
53a02d11 | 170 | struct imx_ssi_platform_data eukrea_mbimxsd51_ssi_pdata __initconst = { |
932d67d4 EB |
171 | .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE, |
172 | }; | |
173 | ||
13d1dd83 DC |
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 | ||
70b17268 EB |
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 | { | |
53a02d11 EB |
195 | if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd51_pads, |
196 | ARRAY_SIZE(eukrea_mbimxsd51_pads))) | |
70b17268 EB |
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 | ||
124bf94a | 202 | imx51_add_sdhci_esdhc_imx(0, NULL); |
70b17268 | 203 | |
53a02d11 | 204 | imx51_add_imx_ssi(0, &eukrea_mbimxsd51_ssi_pdata); |
932d67d4 | 205 | |
70b17268 EB |
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 | ||
13d1dd83 DC |
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 | ||
53a02d11 EB |
226 | i2c_register_board_info(0, eukrea_mbimxsd51_i2c_devices, |
227 | ARRAY_SIZE(eukrea_mbimxsd51_i2c_devices)); | |
70b17268 | 228 | |
53a02d11 EB |
229 | gpio_led_register_device(-1, &eukrea_mbimxsd51_led_info); |
230 | imx_add_gpio_keys(&eukrea_mbimxsd51_button_data); | |
70b17268 | 231 | } |