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33731698 LF |
1 | /* |
2 | * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix | |
3 | * Copyright (C) 2009 Sascha Hauer (kernel@pengutronix.de) | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License | |
7 | * as published by the Free Software Foundation; either version 2 | |
8 | * of the License, or (at your option) any later version. | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | |
17 | * MA 02110-1301, USA. | |
18 | */ | |
19 | ||
20 | #include <linux/platform_device.h> | |
21 | #include <linux/io.h> | |
22 | #include <linux/i2c.h> | |
25f73ed5 | 23 | #include <linux/platform_data/at24.h> |
33731698 LF |
24 | #include <linux/dma-mapping.h> |
25 | #include <linux/spi/spi.h> | |
26 | #include <linux/spi/eeprom.h> | |
27 | #include <linux/irq.h> | |
c8a6885f | 28 | #include <linux/delay.h> |
33731698 | 29 | #include <linux/gpio.h> |
eee7c497 SH |
30 | #include <linux/usb/otg.h> |
31 | #include <linux/usb/ulpi.h> | |
33731698 LF |
32 | |
33 | #include <asm/mach/arch.h> | |
34 | #include <asm/mach-types.h> | |
33731698 | 35 | #include <asm/mach/time.h> |
33731698 | 36 | |
e3372474 | 37 | #include "common.h" |
0e7a29a8 | 38 | #include "devices-imx27.h" |
641dfe8b | 39 | #include "ehci.h" |
50f2de61 | 40 | #include "hardware.h" |
267dd34c | 41 | #include "iomux-mx27.h" |
39ef6340 | 42 | #include "ulpi.h" |
33731698 | 43 | |
eee7c497 SH |
44 | #define OTG_PHY_CS_GPIO (GPIO_PORTB + 23) |
45 | #define USBH2_PHY_CS_GPIO (GPIO_PORTB + 24) | |
b725abad LF |
46 | #define SPI1_SS0 (GPIO_PORTD + 28) |
47 | #define SPI1_SS1 (GPIO_PORTD + 27) | |
48 | #define SD2_CD (GPIO_PORTC + 29) | |
eee7c497 | 49 | |
6c80ee51 | 50 | static const int pca100_pins[] __initconst = { |
33731698 LF |
51 | /* UART1 */ |
52 | PE12_PF_UART1_TXD, | |
53 | PE13_PF_UART1_RXD, | |
54 | PE14_PF_UART1_CTS, | |
55 | PE15_PF_UART1_RTS, | |
56 | /* SDHC */ | |
57 | PB4_PF_SD2_D0, | |
58 | PB5_PF_SD2_D1, | |
59 | PB6_PF_SD2_D2, | |
60 | PB7_PF_SD2_D3, | |
61 | PB8_PF_SD2_CMD, | |
62 | PB9_PF_SD2_CLK, | |
b725abad | 63 | SD2_CD | GPIO_GPIO | GPIO_IN, |
33731698 LF |
64 | /* FEC */ |
65 | PD0_AIN_FEC_TXD0, | |
66 | PD1_AIN_FEC_TXD1, | |
67 | PD2_AIN_FEC_TXD2, | |
68 | PD3_AIN_FEC_TXD3, | |
69 | PD4_AOUT_FEC_RX_ER, | |
70 | PD5_AOUT_FEC_RXD1, | |
71 | PD6_AOUT_FEC_RXD2, | |
72 | PD7_AOUT_FEC_RXD3, | |
73 | PD8_AF_FEC_MDIO, | |
74 | PD9_AIN_FEC_MDC, | |
75 | PD10_AOUT_FEC_CRS, | |
76 | PD11_AOUT_FEC_TX_CLK, | |
77 | PD12_AOUT_FEC_RXD0, | |
78 | PD13_AOUT_FEC_RX_DV, | |
79 | PD14_AOUT_FEC_RX_CLK, | |
80 | PD15_AOUT_FEC_COL, | |
81 | PD16_AIN_FEC_TX_ER, | |
82 | PF23_AIN_FEC_TX_EN, | |
83 | /* SSI1 */ | |
84 | PC20_PF_SSI1_FS, | |
85 | PC21_PF_SSI1_RXD, | |
86 | PC22_PF_SSI1_TXD, | |
87 | PC23_PF_SSI1_CLK, | |
88 | /* onboard I2C */ | |
89 | PC5_PF_I2C2_SDA, | |
90 | PC6_PF_I2C2_SCL, | |
91 | /* external I2C */ | |
92 | PD17_PF_I2C_DATA, | |
93 | PD18_PF_I2C_CLK, | |
94 | /* SPI1 */ | |
95 | PD25_PF_CSPI1_RDY, | |
96 | PD29_PF_CSPI1_SCLK, | |
97 | PD30_PF_CSPI1_MISO, | |
98 | PD31_PF_CSPI1_MOSI, | |
eee7c497 SH |
99 | /* OTG */ |
100 | OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT, | |
101 | PC7_PF_USBOTG_DATA5, | |
102 | PC8_PF_USBOTG_DATA6, | |
103 | PC9_PF_USBOTG_DATA0, | |
104 | PC10_PF_USBOTG_DATA2, | |
105 | PC11_PF_USBOTG_DATA1, | |
106 | PC12_PF_USBOTG_DATA4, | |
107 | PC13_PF_USBOTG_DATA3, | |
108 | PE0_PF_USBOTG_NXT, | |
109 | PE1_PF_USBOTG_STP, | |
110 | PE2_PF_USBOTG_DIR, | |
111 | PE24_PF_USBOTG_CLK, | |
112 | PE25_PF_USBOTG_DATA7, | |
113 | /* USBH2 */ | |
114 | USBH2_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT, | |
115 | PA0_PF_USBH2_CLK, | |
116 | PA1_PF_USBH2_DIR, | |
117 | PA2_PF_USBH2_DATA7, | |
118 | PA3_PF_USBH2_NXT, | |
119 | PA4_PF_USBH2_STP, | |
120 | PD19_AF_USBH2_DATA4, | |
121 | PD20_AF_USBH2_DATA3, | |
122 | PD21_AF_USBH2_DATA6, | |
123 | PD22_AF_USBH2_DATA0, | |
124 | PD23_AF_USBH2_DATA2, | |
125 | PD24_AF_USBH2_DATA1, | |
126 | PD26_AF_USBH2_DATA5, | |
42216fc5 LF |
127 | /* display */ |
128 | PA5_PF_LSCLK, | |
129 | PA6_PF_LD0, | |
130 | PA7_PF_LD1, | |
131 | PA8_PF_LD2, | |
132 | PA9_PF_LD3, | |
133 | PA10_PF_LD4, | |
134 | PA11_PF_LD5, | |
135 | PA12_PF_LD6, | |
136 | PA13_PF_LD7, | |
137 | PA14_PF_LD8, | |
138 | PA15_PF_LD9, | |
139 | PA16_PF_LD10, | |
140 | PA17_PF_LD11, | |
141 | PA18_PF_LD12, | |
142 | PA19_PF_LD13, | |
143 | PA20_PF_LD14, | |
144 | PA21_PF_LD15, | |
145 | PA22_PF_LD16, | |
146 | PA23_PF_LD17, | |
147 | PA26_PF_PS, | |
148 | PA28_PF_HSYNC, | |
149 | PA29_PF_VSYNC, | |
150 | PA31_PF_OE_ACD, | |
b725abad LF |
151 | /* free GPIO */ |
152 | GPIO_PORTC | 31 | GPIO_GPIO | GPIO_IN, /* GPIO0_IRQ */ | |
153 | GPIO_PORTC | 25 | GPIO_GPIO | GPIO_IN, /* GPIO1_IRQ */ | |
154 | GPIO_PORTE | 5 | GPIO_GPIO | GPIO_IN, /* GPIO2_IRQ */ | |
33731698 LF |
155 | }; |
156 | ||
d5dac4a6 | 157 | static const struct imxuart_platform_data uart_pdata __initconst = { |
33731698 LF |
158 | .flags = IMXUART_HAVE_RTSCTS, |
159 | }; | |
160 | ||
0e7a29a8 UKK |
161 | static const struct mxc_nand_platform_data |
162 | pca100_nand_board_info __initconst = { | |
33731698 LF |
163 | .width = 1, |
164 | .hw_ecc = 1, | |
165 | }; | |
166 | ||
c6987159 | 167 | static const struct imxi2c_platform_data pca100_i2c1_data __initconst = { |
33731698 LF |
168 | .bitrate = 100000, |
169 | }; | |
170 | ||
171 | static struct at24_platform_data board_eeprom = { | |
172 | .byte_len = 4096, | |
173 | .page_size = 32, | |
174 | .flags = AT24_FLAG_ADDR16, | |
175 | }; | |
176 | ||
177 | static struct i2c_board_info pca100_i2c_devices[] = { | |
178 | { | |
179 | I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ | |
180 | .platform_data = &board_eeprom, | |
181 | }, { | |
bd9e310d | 182 | I2C_BOARD_INFO("pcf8563", 0x51), |
33731698 LF |
183 | }, { |
184 | I2C_BOARD_INFO("lm75", 0x4a), | |
33731698 LF |
185 | } |
186 | }; | |
187 | ||
33731698 LF |
188 | static struct spi_eeprom at25320 = { |
189 | .name = "at25320an", | |
190 | .byte_len = 4096, | |
191 | .page_size = 32, | |
192 | .flags = EE_ADDR2, | |
193 | }; | |
194 | ||
195 | static struct spi_board_info pca100_spi_board_info[] __initdata = { | |
196 | { | |
197 | .modalias = "at25", | |
198 | .max_speed_hz = 30000, | |
199 | .bus_num = 0, | |
200 | .chip_select = 1, | |
201 | .platform_data = &at25320, | |
202 | }, | |
203 | }; | |
204 | ||
b725abad | 205 | static int pca100_spi_cs[] = {SPI1_SS0, SPI1_SS1}; |
33731698 | 206 | |
7536cf99 | 207 | static const struct spi_imx_master pca100_spi0_data __initconst = { |
33731698 LF |
208 | .chipselect = pca100_spi_cs, |
209 | .num_chipselect = ARRAY_SIZE(pca100_spi_cs), | |
210 | }; | |
33731698 | 211 | |
c8a6885f SH |
212 | static void pca100_ac97_warm_reset(struct snd_ac97 *ac97) |
213 | { | |
214 | mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT); | |
215 | gpio_set_value(GPIO_PORTC + 20, 1); | |
216 | udelay(2); | |
217 | gpio_set_value(GPIO_PORTC + 20, 0); | |
218 | mxc_gpio_mode(PC20_PF_SSI1_FS); | |
219 | msleep(2); | |
220 | } | |
221 | ||
222 | static void pca100_ac97_cold_reset(struct snd_ac97 *ac97) | |
223 | { | |
224 | mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT); /* FS */ | |
225 | gpio_set_value(GPIO_PORTC + 20, 0); | |
226 | mxc_gpio_mode(GPIO_PORTC | 22 | GPIO_GPIO | GPIO_OUT); /* TX */ | |
227 | gpio_set_value(GPIO_PORTC + 22, 0); | |
228 | mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_OUT); /* reset */ | |
229 | gpio_set_value(GPIO_PORTC + 28, 0); | |
230 | udelay(10); | |
231 | gpio_set_value(GPIO_PORTC + 28, 1); | |
232 | mxc_gpio_mode(PC20_PF_SSI1_FS); | |
233 | mxc_gpio_mode(PC22_PF_SSI1_TXD); | |
234 | msleep(2); | |
235 | } | |
236 | ||
4697bb92 | 237 | static const struct imx_ssi_platform_data pca100_ssi_pdata __initconst = { |
c8a6885f SH |
238 | .ac97_reset = pca100_ac97_cold_reset, |
239 | .ac97_warm_reset = pca100_ac97_warm_reset, | |
240 | .flags = IMX_SSI_USE_AC97, | |
241 | }; | |
242 | ||
33731698 LF |
243 | static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq, |
244 | void *data) | |
245 | { | |
246 | int ret; | |
247 | ||
438196c3 | 248 | ret = request_irq(gpio_to_irq(IMX_GPIO_NR(3, 29)), detect_irq, |
d4e7d942 | 249 | IRQF_TRIGGER_FALLING, "imx-mmc-detect", data); |
33731698 LF |
250 | if (ret) |
251 | printk(KERN_ERR | |
77d84ff8 | 252 | "pca100: Failed to request irq for sd/mmc detection\n"); |
33731698 LF |
253 | |
254 | return ret; | |
255 | } | |
256 | ||
257 | static void pca100_sdhc2_exit(struct device *dev, void *data) | |
258 | { | |
438196c3 | 259 | free_irq(gpio_to_irq(IMX_GPIO_NR(3, 29)), data); |
33731698 LF |
260 | } |
261 | ||
9d3d945a | 262 | static const struct imxmmc_platform_data sdhc_pdata __initconst = { |
33731698 LF |
263 | .init = pca100_sdhc2_init, |
264 | .exit = pca100_sdhc2_exit, | |
265 | }; | |
266 | ||
eee7c497 SH |
267 | static int otg_phy_init(struct platform_device *pdev) |
268 | { | |
269 | gpio_set_value(OTG_PHY_CS_GPIO, 0); | |
4bd597b6 SH |
270 | |
271 | mdelay(10); | |
272 | ||
273 | return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI); | |
eee7c497 SH |
274 | } |
275 | ||
2eb42d5c | 276 | static struct mxc_usbh_platform_data otg_pdata __initdata = { |
eee7c497 SH |
277 | .init = otg_phy_init, |
278 | .portsc = MXC_EHCI_MODE_ULPI, | |
eee7c497 SH |
279 | }; |
280 | ||
281 | static int usbh2_phy_init(struct platform_device *pdev) | |
282 | { | |
283 | gpio_set_value(USBH2_PHY_CS_GPIO, 0); | |
4bd597b6 SH |
284 | |
285 | mdelay(10); | |
286 | ||
287 | return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI); | |
eee7c497 SH |
288 | } |
289 | ||
2eb42d5c | 290 | static struct mxc_usbh_platform_data usbh2_pdata __initdata = { |
eee7c497 SH |
291 | .init = usbh2_phy_init, |
292 | .portsc = MXC_EHCI_MODE_ULPI, | |
eee7c497 SH |
293 | }; |
294 | ||
bd455ed3 | 295 | static const struct fsl_usb2_platform_data otg_device_pdata __initconst = { |
eee7c497 SH |
296 | .operating_mode = FSL_USB2_DR_DEVICE, |
297 | .phy_mode = FSL_USB2_PHY_ULPI, | |
298 | }; | |
299 | ||
33a264dd | 300 | static bool otg_mode_host __initdata; |
eee7c497 SH |
301 | |
302 | static int __init pca100_otg_mode(char *options) | |
303 | { | |
304 | if (!strcmp(options, "host")) | |
33a264dd | 305 | otg_mode_host = true; |
eee7c497 | 306 | else if (!strcmp(options, "device")) |
33a264dd | 307 | otg_mode_host = false; |
eee7c497 SH |
308 | else |
309 | pr_info("otg_mode neither \"host\" nor \"device\". " | |
310 | "Defaulting to device\n"); | |
33a264dd | 311 | return 1; |
eee7c497 SH |
312 | } |
313 | __setup("otg_mode=", pca100_otg_mode); | |
314 | ||
42216fc5 LF |
315 | /* framebuffer info */ |
316 | static struct imx_fb_videomode pca100_fb_modes[] = { | |
317 | { | |
318 | .mode = { | |
319 | .name = "EMERGING-ETV570G0DHU", | |
320 | .refresh = 60, | |
321 | .xres = 640, | |
322 | .yres = 480, | |
323 | .pixclock = 39722, /* in ps (25.175 MHz) */ | |
324 | .hsync_len = 30, | |
325 | .left_margin = 114, | |
326 | .right_margin = 16, | |
327 | .vsync_len = 3, | |
328 | .upper_margin = 32, | |
329 | .lower_margin = 0, | |
330 | }, | |
331 | /* | |
332 | * TFT | |
333 | * Pixel pol active high | |
334 | * HSYNC active low | |
335 | * VSYNC active low | |
336 | * use HSYNC for ACD count | |
337 | * line clock disable while idle | |
338 | * always enable line clock even if no data | |
339 | */ | |
340 | .pcr = 0xf0c08080, | |
341 | .bpp = 16, | |
342 | }, | |
343 | }; | |
344 | ||
ad851bff | 345 | static const struct imx_fb_platform_data pca100_fb_data __initconst = { |
42216fc5 LF |
346 | .mode = pca100_fb_modes, |
347 | .num_modes = ARRAY_SIZE(pca100_fb_modes), | |
348 | ||
349 | .pwmr = 0x00A903FF, | |
350 | .lscr1 = 0x00120300, | |
351 | .dmacr = 0x00020010, | |
352 | }; | |
353 | ||
33731698 LF |
354 | static void __init pca100_init(void) |
355 | { | |
356 | int ret; | |
357 | ||
b78d8e59 SG |
358 | imx27_soc_init(); |
359 | ||
33731698 LF |
360 | ret = mxc_gpio_setup_multiple_pins(pca100_pins, |
361 | ARRAY_SIZE(pca100_pins), "PCA100"); | |
362 | if (ret) | |
363 | printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret); | |
364 | ||
4697bb92 | 365 | imx27_add_imx_ssi(0, &pca100_ssi_pdata); |
c8a6885f | 366 | |
d5dac4a6 | 367 | imx27_add_imx_uart0(&uart_pdata); |
33731698 | 368 | |
9d3d945a | 369 | imx27_add_mxc_mmc(1, &sdhc_pdata); |
33731698 | 370 | |
0e7a29a8 | 371 | imx27_add_mxc_nand(&pca100_nand_board_info); |
33731698 LF |
372 | |
373 | /* only the i2c master 1 is used on this CPU card */ | |
374 | i2c_register_board_info(1, pca100_i2c_devices, | |
375 | ARRAY_SIZE(pca100_i2c_devices)); | |
376 | ||
77a406da | 377 | imx27_add_imx_i2c(1, &pca100_i2c1_data); |
33731698 | 378 | |
b725abad LF |
379 | mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_IN); |
380 | mxc_gpio_mode(GPIO_PORTD | 27 | GPIO_GPIO | GPIO_IN); | |
33731698 LF |
381 | spi_register_board_info(pca100_spi_board_info, |
382 | ARRAY_SIZE(pca100_spi_board_info)); | |
4df772d7 | 383 | imx27_add_spi_imx0(&pca100_spi0_data); |
33731698 | 384 | |
eee7c497 SH |
385 | gpio_request(OTG_PHY_CS_GPIO, "usb-otg-cs"); |
386 | gpio_direction_output(OTG_PHY_CS_GPIO, 1); | |
387 | gpio_request(USBH2_PHY_CS_GPIO, "usb-host2-cs"); | |
388 | gpio_direction_output(USBH2_PHY_CS_GPIO, 1); | |
389 | ||
eee7c497 | 390 | if (otg_mode_host) { |
48f6b099 SH |
391 | otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | |
392 | ULPI_OTG_DRVVBUS_EXT); | |
eee7c497 | 393 | |
48f6b099 SH |
394 | if (otg_pdata.otg) |
395 | imx27_add_mxc_ehci_otg(&otg_pdata); | |
396 | } else { | |
397 | gpio_set_value(OTG_PHY_CS_GPIO, 0); | |
398 | imx27_add_fsl_usb2_udc(&otg_device_pdata); | |
eee7c497 SH |
399 | } |
400 | ||
794987ac MP |
401 | usbh2_pdata.otg = imx_otg_ulpi_create( |
402 | ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); | |
eee7c497 | 403 | |
48f6b099 SH |
404 | if (usbh2_pdata.otg) |
405 | imx27_add_mxc_ehci_hs(2, &usbh2_pdata); | |
eee7c497 | 406 | |
ad851bff | 407 | imx27_add_imx_fb(&pca100_fb_data); |
42216fc5 | 408 | |
6bd96f3c | 409 | imx27_add_fec(NULL); |
bec31a85 BT |
410 | imx27_add_imx2_wdt(); |
411 | imx27_add_mxc_w1(); | |
33731698 LF |
412 | } |
413 | ||
414 | static void __init pca100_timer_init(void) | |
415 | { | |
416 | mx27_clocks_init(26000000); | |
417 | } | |
418 | ||
33731698 | 419 | MACHINE_START(PCA100, "phyCARD-i.MX27") |
dc8f1907 | 420 | .atag_offset = 0x100, |
3dac2196 UKK |
421 | .map_io = mx27_map_io, |
422 | .init_early = imx27_init_early, | |
423 | .init_irq = mx27_init_irq, | |
424 | .init_machine = pca100_init, | |
6bb27d73 | 425 | .init_time = pca100_timer_init, |
65ea7884 | 426 | .restart = mxc_restart, |
33731698 | 427 | MACHINE_END |