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6f1fa706 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/gpio.h> | |
23 | #include <linux/leds.h> | |
24 | #include <linux/platform_device.h> | |
6f1fa706 | 25 | #include <linux/input.h> |
49ed9407 | 26 | #include <linux/spi/spi.h> |
6f1fa706 EB |
27 | #include <video/platform_lcd.h> |
28 | ||
6f1fa706 EB |
29 | #include <asm/mach-types.h> |
30 | #include <asm/mach/arch.h> | |
6f1fa706 | 31 | |
e3372474 | 32 | #include "common.h" |
2dcf78c0 | 33 | #include "devices-imx25.h" |
50f2de61 | 34 | #include "hardware.h" |
267dd34c | 35 | #include "iomux-mx25.h" |
50f2de61 | 36 | #include "mx25.h" |
6f1fa706 | 37 | |
8f5260c8 | 38 | static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = { |
6f1fa706 EB |
39 | /* LCD */ |
40 | MX25_PAD_LD0__LD0, | |
41 | MX25_PAD_LD1__LD1, | |
42 | MX25_PAD_LD2__LD2, | |
43 | MX25_PAD_LD3__LD3, | |
44 | MX25_PAD_LD4__LD4, | |
45 | MX25_PAD_LD5__LD5, | |
46 | MX25_PAD_LD6__LD6, | |
47 | MX25_PAD_LD7__LD7, | |
48 | MX25_PAD_LD8__LD8, | |
49 | MX25_PAD_LD9__LD9, | |
50 | MX25_PAD_LD10__LD10, | |
51 | MX25_PAD_LD11__LD11, | |
52 | MX25_PAD_LD12__LD12, | |
53 | MX25_PAD_LD13__LD13, | |
54 | MX25_PAD_LD14__LD14, | |
55 | MX25_PAD_LD15__LD15, | |
56 | MX25_PAD_GPIO_E__LD16, | |
57 | MX25_PAD_GPIO_F__LD17, | |
58 | MX25_PAD_HSYNC__HSYNC, | |
59 | MX25_PAD_VSYNC__VSYNC, | |
60 | MX25_PAD_LSCLK__LSCLK, | |
61 | MX25_PAD_OE_ACD__OE_ACD, | |
62 | MX25_PAD_CONTRAST__CONTRAST, | |
63 | /* LCD_PWR */ | |
64 | MX25_PAD_PWM__GPIO_1_26, | |
65 | /* LED */ | |
66 | MX25_PAD_POWER_FAIL__GPIO_3_19, | |
67 | /* SWITCH */ | |
68 | MX25_PAD_VSTBY_ACK__GPIO_3_18, | |
69 | /* UART2 */ | |
70 | MX25_PAD_UART2_RTS__UART2_RTS, | |
71 | MX25_PAD_UART2_CTS__UART2_CTS, | |
72 | MX25_PAD_UART2_TXD__UART2_TXD, | |
73 | MX25_PAD_UART2_RXD__UART2_RXD, | |
74 | /* SD1 */ | |
75 | MX25_PAD_SD1_CMD__SD1_CMD, | |
76 | MX25_PAD_SD1_CLK__SD1_CLK, | |
77 | MX25_PAD_SD1_DATA0__SD1_DATA0, | |
78 | MX25_PAD_SD1_DATA1__SD1_DATA1, | |
79 | MX25_PAD_SD1_DATA2__SD1_DATA2, | |
80 | MX25_PAD_SD1_DATA3__SD1_DATA3, | |
81 | /* SD1 CD */ | |
82 | MX25_PAD_DE_B__GPIO_2_20, | |
83 | /* I2S */ | |
84 | MX25_PAD_KPP_COL3__AUD5_TXFS, | |
85 | MX25_PAD_KPP_COL2__AUD5_TXC, | |
86 | MX25_PAD_KPP_COL1__AUD5_RXD, | |
87 | MX25_PAD_KPP_COL0__AUD5_TXD, | |
6f8460eb EB |
88 | /* CAN */ |
89 | MX25_PAD_GPIO_D__CAN2_RX, | |
90 | MX25_PAD_GPIO_C__CAN2_TX, | |
49ed9407 EB |
91 | /* SPI1 */ |
92 | MX25_PAD_CSPI1_MOSI__CSPI1_MOSI, | |
93 | MX25_PAD_CSPI1_MISO__CSPI1_MISO, | |
94 | MX25_PAD_CSPI1_SS0__GPIO_1_16, | |
95 | MX25_PAD_CSPI1_SS1__GPIO_1_17, | |
96 | MX25_PAD_CSPI1_SCLK__CSPI1_SCLK, | |
97 | MX25_PAD_CSPI1_RDY__GPIO_2_22, | |
6f1fa706 EB |
98 | }; |
99 | ||
fc33d400 EB |
100 | #define GPIO_LED1 IMX_GPIO_NR(3, 19) |
101 | #define GPIO_SWITCH1 IMX_GPIO_NR(3, 18) | |
102 | #define GPIO_SD1CD IMX_GPIO_NR(2, 20) | |
103 | #define GPIO_LCDPWR IMX_GPIO_NR(1, 26) | |
49ed9407 EB |
104 | #define GPIO_SPI1_SS0 IMX_GPIO_NR(1, 16) |
105 | #define GPIO_SPI1_SS1 IMX_GPIO_NR(1, 17) | |
106 | #define GPIO_SPI1_IRQ IMX_GPIO_NR(2, 22) | |
6f1fa706 EB |
107 | |
108 | static struct imx_fb_videomode eukrea_mximxsd_modes[] = { | |
109 | { | |
110 | .mode = { | |
111 | .name = "CMO-QVGA", | |
112 | .refresh = 60, | |
113 | .xres = 320, | |
114 | .yres = 240, | |
115 | .pixclock = KHZ2PICOS(6500), | |
116 | .left_margin = 30, | |
117 | .right_margin = 38, | |
118 | .upper_margin = 20, | |
119 | .lower_margin = 3, | |
120 | .hsync_len = 15, | |
121 | .vsync_len = 4, | |
122 | }, | |
123 | .bpp = 16, | |
124 | .pcr = 0xCAD08B80, | |
c0550c4b EB |
125 | }, { |
126 | .mode = { | |
127 | .name = "DVI-VGA", | |
128 | .refresh = 60, | |
129 | .xres = 640, | |
130 | .yres = 480, | |
131 | .pixclock = 32000, | |
132 | .hsync_len = 7, | |
133 | .left_margin = 100, | |
134 | .right_margin = 100, | |
135 | .vsync_len = 7, | |
136 | .upper_margin = 7, | |
137 | .lower_margin = 100, | |
138 | }, | |
139 | .pcr = 0xFA208B80, | |
140 | .bpp = 16, | |
141 | }, { | |
142 | .mode = { | |
143 | .name = "DVI-SVGA", | |
144 | .refresh = 60, | |
145 | .xres = 800, | |
146 | .yres = 600, | |
147 | .pixclock = 25000, | |
148 | .hsync_len = 7, | |
149 | .left_margin = 75, | |
150 | .right_margin = 75, | |
151 | .vsync_len = 7, | |
152 | .upper_margin = 7, | |
153 | .lower_margin = 75, | |
154 | }, | |
155 | .pcr = 0xFA208B80, | |
156 | .bpp = 16, | |
6f1fa706 EB |
157 | }, |
158 | }; | |
159 | ||
194ee8e8 | 160 | static const struct imx_fb_platform_data eukrea_mximxsd_fb_pdata __initconst = { |
6f1fa706 EB |
161 | .mode = eukrea_mximxsd_modes, |
162 | .num_modes = ARRAY_SIZE(eukrea_mximxsd_modes), | |
163 | .pwmr = 0x00A903FF, | |
164 | .lscr1 = 0x00120300, | |
165 | .dmacr = 0x00040060, | |
166 | }; | |
167 | ||
168 | static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd, | |
169 | unsigned int power) | |
170 | { | |
171 | if (power) | |
172 | gpio_direction_output(GPIO_LCDPWR, 1); | |
173 | else | |
174 | gpio_direction_output(GPIO_LCDPWR, 0); | |
175 | } | |
176 | ||
177 | static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = { | |
178 | .set_power = eukrea_mbimxsd_lcd_power_set, | |
179 | }; | |
180 | ||
181 | static struct platform_device eukrea_mbimxsd_lcd_powerdev = { | |
182 | .name = "platform-lcd", | |
183 | .dev.platform_data = &eukrea_mbimxsd_lcd_power_data, | |
184 | }; | |
185 | ||
47e837b5 | 186 | static const struct gpio_led eukrea_mbimxsd_leds[] __initconst = { |
6f1fa706 EB |
187 | { |
188 | .name = "led1", | |
189 | .default_trigger = "heartbeat", | |
190 | .active_low = 1, | |
191 | .gpio = GPIO_LED1, | |
192 | }, | |
193 | }; | |
194 | ||
47e837b5 UKK |
195 | static const struct gpio_led_platform_data |
196 | eukrea_mbimxsd_led_info __initconst = { | |
6f1fa706 EB |
197 | .leds = eukrea_mbimxsd_leds, |
198 | .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds), | |
199 | }; | |
200 | ||
6f1fa706 EB |
201 | static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = { |
202 | { | |
203 | .gpio = GPIO_SWITCH1, | |
204 | .code = BTN_0, | |
205 | .desc = "BP1", | |
206 | .active_low = 1, | |
207 | .wakeup = 1, | |
208 | }, | |
209 | }; | |
210 | ||
5309498a UKK |
211 | static const struct gpio_keys_platform_data |
212 | eukrea_mbimxsd_button_data __initconst = { | |
6f1fa706 EB |
213 | .buttons = eukrea_mbimxsd_gpio_buttons, |
214 | .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons), | |
215 | }; | |
216 | ||
6f1fa706 | 217 | static struct platform_device *platform_devices[] __initdata = { |
6f1fa706 EB |
218 | &eukrea_mbimxsd_lcd_powerdev, |
219 | }; | |
220 | ||
2dcf78c0 | 221 | static const struct imxuart_platform_data uart_pdata __initconst = { |
6f1fa706 EB |
222 | .flags = IMXUART_HAVE_RTSCTS, |
223 | }; | |
224 | ||
225 | static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = { | |
226 | { | |
227 | I2C_BOARD_INFO("tlv320aic23", 0x1a), | |
228 | }, | |
229 | }; | |
230 | ||
4697bb92 UKK |
231 | static const |
232 | struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = { | |
6f1fa706 EB |
233 | .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE, |
234 | }; | |
235 | ||
01ea9aea EB |
236 | static struct esdhc_platform_data sd1_pdata = { |
237 | .cd_gpio = GPIO_SD1CD, | |
913413c3 SG |
238 | .cd_type = ESDHC_CD_GPIO, |
239 | .wp_type = ESDHC_WP_NONE, | |
01ea9aea EB |
240 | }; |
241 | ||
49ed9407 EB |
242 | static struct spi_board_info eukrea_mbimxsd25_spi_board_info[] __initdata = { |
243 | { | |
244 | .modalias = "spidev", | |
245 | .max_speed_hz = 20000000, | |
246 | .bus_num = 0, | |
247 | .chip_select = 0, | |
248 | .mode = SPI_MODE_0, | |
249 | }, | |
250 | { | |
251 | .modalias = "spidev", | |
252 | .max_speed_hz = 20000000, | |
253 | .bus_num = 0, | |
254 | .chip_select = 1, | |
255 | .mode = SPI_MODE_0, | |
256 | }, | |
257 | }; | |
258 | ||
259 | static int eukrea_mbimxsd25_spi_cs[] = {GPIO_SPI1_SS0, GPIO_SPI1_SS1}; | |
260 | ||
261 | static const struct spi_imx_master eukrea_mbimxsd25_spi0_data __initconst = { | |
262 | .chipselect = eukrea_mbimxsd25_spi_cs, | |
263 | .num_chipselect = ARRAY_SIZE(eukrea_mbimxsd25_spi_cs), | |
264 | }; | |
265 | ||
6f1fa706 EB |
266 | /* |
267 | * system init for baseboard usage. Will be called by cpuimx25 init. | |
268 | * | |
269 | * Add platform devices present on this baseboard and init | |
270 | * them from CPU side as far as required to use them later on | |
271 | */ | |
ec53fe3d | 272 | void __init eukrea_mbimxsd25_baseboard_init(void) |
6f1fa706 EB |
273 | { |
274 | if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads, | |
275 | ARRAY_SIZE(eukrea_mbimxsd_pads))) | |
276 | printk(KERN_ERR "error setting mbimxsd pads !\n"); | |
277 | ||
2dcf78c0 | 278 | imx25_add_imx_uart1(&uart_pdata); |
194ee8e8 | 279 | imx25_add_imx_fb(&eukrea_mximxsd_fb_pdata); |
4697bb92 | 280 | imx25_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata); |
6f1fa706 | 281 | |
30caa4b7 | 282 | imx25_add_flexcan1(); |
01ea9aea | 283 | imx25_add_sdhci_esdhc_imx(0, &sd1_pdata); |
6f8460eb | 284 | |
6f1fa706 EB |
285 | gpio_request(GPIO_LED1, "LED1"); |
286 | gpio_direction_output(GPIO_LED1, 1); | |
287 | gpio_free(GPIO_LED1); | |
288 | ||
289 | gpio_request(GPIO_SWITCH1, "SWITCH1"); | |
290 | gpio_direction_input(GPIO_SWITCH1); | |
291 | gpio_free(GPIO_SWITCH1); | |
292 | ||
293 | gpio_request(GPIO_LCDPWR, "LCDPWR"); | |
294 | gpio_direction_output(GPIO_LCDPWR, 1); | |
6f1fa706 EB |
295 | |
296 | i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices, | |
297 | ARRAY_SIZE(eukrea_mbimxsd_i2c_devices)); | |
298 | ||
49ed9407 EB |
299 | gpio_request(GPIO_SPI1_IRQ, "SPI1_IRQ"); |
300 | gpio_direction_input(GPIO_SPI1_IRQ); | |
301 | gpio_free(GPIO_SPI1_IRQ); | |
302 | imx25_add_spi_imx0(&eukrea_mbimxsd25_spi0_data); | |
303 | spi_register_board_info(eukrea_mbimxsd25_spi_board_info, | |
304 | ARRAY_SIZE(eukrea_mbimxsd25_spi_board_info)); | |
305 | ||
6f1fa706 | 306 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); |
47e837b5 | 307 | gpio_led_register_device(-1, &eukrea_mbimxsd_led_info); |
5309498a | 308 | imx_add_gpio_keys(&eukrea_mbimxsd_button_data); |
da75c924 | 309 | imx_add_platform_device("eukrea_tlv320", 0, NULL, 0, NULL, 0); |
6f1fa706 | 310 | } |