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7#include <linux/platform_device.h>
8#include <linux/io.h>
9#include <linux/i2c.h>
10#include <linux/property.h>
11#include <linux/dma-mapping.h>
12#include <linux/spi/spi.h>
13#include <linux/spi/eeprom.h>
14#include <linux/irq.h>
15#include <linux/delay.h>
16#include <linux/gpio.h>
17#include <linux/gpio/machine.h>
18#include <linux/usb/otg.h>
19#include <linux/usb/ulpi.h>
20
21#include <asm/mach/arch.h>
22#include <asm/mach-types.h>
23#include <asm/mach/time.h>
24
25#include "common.h"
26#include "devices-imx27.h"
27#include "ehci.h"
28#include "hardware.h"
29#include "iomux-mx27.h"
30#include "ulpi.h"
31
32#define OTG_PHY_CS_GPIO (GPIO_PORTB + 23)
33#define USBH2_PHY_CS_GPIO (GPIO_PORTB + 24)
34#define SPI1_SS0 (GPIO_PORTD + 28)
35#define SPI1_SS1 (GPIO_PORTD + 27)
36#define SD2_CD (GPIO_PORTC + 29)
37
38static const int pca100_pins[] __initconst = {
39
40 PE12_PF_UART1_TXD,
41 PE13_PF_UART1_RXD,
42 PE14_PF_UART1_CTS,
43 PE15_PF_UART1_RTS,
44
45 PB4_PF_SD2_D0,
46 PB5_PF_SD2_D1,
47 PB6_PF_SD2_D2,
48 PB7_PF_SD2_D3,
49 PB8_PF_SD2_CMD,
50 PB9_PF_SD2_CLK,
51 SD2_CD | GPIO_GPIO | GPIO_IN,
52
53 PD0_AIN_FEC_TXD0,
54 PD1_AIN_FEC_TXD1,
55 PD2_AIN_FEC_TXD2,
56 PD3_AIN_FEC_TXD3,
57 PD4_AOUT_FEC_RX_ER,
58 PD5_AOUT_FEC_RXD1,
59 PD6_AOUT_FEC_RXD2,
60 PD7_AOUT_FEC_RXD3,
61 PD8_AF_FEC_MDIO,
62 PD9_AIN_FEC_MDC,
63 PD10_AOUT_FEC_CRS,
64 PD11_AOUT_FEC_TX_CLK,
65 PD12_AOUT_FEC_RXD0,
66 PD13_AOUT_FEC_RX_DV,
67 PD14_AOUT_FEC_RX_CLK,
68 PD15_AOUT_FEC_COL,
69 PD16_AIN_FEC_TX_ER,
70 PF23_AIN_FEC_TX_EN,
71
72 PC20_PF_SSI1_FS,
73 PC21_PF_SSI1_RXD,
74 PC22_PF_SSI1_TXD,
75 PC23_PF_SSI1_CLK,
76
77 PC5_PF_I2C2_SDA,
78 PC6_PF_I2C2_SCL,
79
80 PD17_PF_I2C_DATA,
81 PD18_PF_I2C_CLK,
82
83 PD25_PF_CSPI1_RDY,
84 PD29_PF_CSPI1_SCLK,
85 PD30_PF_CSPI1_MISO,
86 PD31_PF_CSPI1_MOSI,
87
88 OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
89 PC7_PF_USBOTG_DATA5,
90 PC8_PF_USBOTG_DATA6,
91 PC9_PF_USBOTG_DATA0,
92 PC10_PF_USBOTG_DATA2,
93 PC11_PF_USBOTG_DATA1,
94 PC12_PF_USBOTG_DATA4,
95 PC13_PF_USBOTG_DATA3,
96 PE0_PF_USBOTG_NXT,
97 PE1_PF_USBOTG_STP,
98 PE2_PF_USBOTG_DIR,
99 PE24_PF_USBOTG_CLK,
100 PE25_PF_USBOTG_DATA7,
101
102 USBH2_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
103 PA0_PF_USBH2_CLK,
104 PA1_PF_USBH2_DIR,
105 PA2_PF_USBH2_DATA7,
106 PA3_PF_USBH2_NXT,
107 PA4_PF_USBH2_STP,
108 PD19_AF_USBH2_DATA4,
109 PD20_AF_USBH2_DATA3,
110 PD21_AF_USBH2_DATA6,
111 PD22_AF_USBH2_DATA0,
112 PD23_AF_USBH2_DATA2,
113 PD24_AF_USBH2_DATA1,
114 PD26_AF_USBH2_DATA5,
115
116 PA5_PF_LSCLK,
117 PA6_PF_LD0,
118 PA7_PF_LD1,
119 PA8_PF_LD2,
120 PA9_PF_LD3,
121 PA10_PF_LD4,
122 PA11_PF_LD5,
123 PA12_PF_LD6,
124 PA13_PF_LD7,
125 PA14_PF_LD8,
126 PA15_PF_LD9,
127 PA16_PF_LD10,
128 PA17_PF_LD11,
129 PA18_PF_LD12,
130 PA19_PF_LD13,
131 PA20_PF_LD14,
132 PA21_PF_LD15,
133 PA22_PF_LD16,
134 PA23_PF_LD17,
135 PA26_PF_PS,
136 PA28_PF_HSYNC,
137 PA29_PF_VSYNC,
138 PA31_PF_OE_ACD,
139
140 GPIO_PORTC | 31 | GPIO_GPIO | GPIO_IN,
141 GPIO_PORTC | 25 | GPIO_GPIO | GPIO_IN,
142 GPIO_PORTE | 5 | GPIO_GPIO | GPIO_IN,
143};
144
145static const struct imxuart_platform_data uart_pdata __initconst = {
146 .flags = IMXUART_HAVE_RTSCTS,
147};
148
149static const struct mxc_nand_platform_data
150pca100_nand_board_info __initconst = {
151 .width = 1,
152 .hw_ecc = 1,
153};
154
155static const struct imxi2c_platform_data pca100_i2c1_data __initconst = {
156 .bitrate = 100000,
157};
158
159static const struct property_entry board_eeprom_properties[] = {
160 PROPERTY_ENTRY_U32("pagesize", 32),
161 { }
162};
163
164static struct i2c_board_info pca100_i2c_devices[] = {
165 {
166 I2C_BOARD_INFO("24c32", 0x52),
167 .properties = board_eeprom_properties,
168 }, {
169 I2C_BOARD_INFO("pcf8563", 0x51),
170 }, {
171 I2C_BOARD_INFO("lm75", 0x4a),
172 }
173};
174
175static struct spi_eeprom at25320 = {
176 .name = "at25320an",
177 .byte_len = 4096,
178 .page_size = 32,
179 .flags = EE_ADDR2,
180};
181
182static struct spi_board_info pca100_spi_board_info[] __initdata = {
183 {
184 .modalias = "at25",
185 .max_speed_hz = 30000,
186 .bus_num = 0,
187 .chip_select = 1,
188 .platform_data = &at25320,
189 },
190};
191
192static struct gpiod_lookup_table pca100_spi0_gpiod_table = {
193 .dev_id = "imx27-cspi.0",
194 .table = {
195
196
197
198
199
200
201 GPIO_LOOKUP_IDX("imx21-gpio.3", 28, "cs", 0, GPIO_ACTIVE_LOW),
202 GPIO_LOOKUP_IDX("imx21-gpio.3", 27, "cs", 1, GPIO_ACTIVE_LOW),
203 { },
204 },
205};
206
207static void pca100_ac97_warm_reset(struct snd_ac97 *ac97)
208{
209 mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT);
210 gpio_set_value(GPIO_PORTC + 20, 1);
211 udelay(2);
212 gpio_set_value(GPIO_PORTC + 20, 0);
213 mxc_gpio_mode(PC20_PF_SSI1_FS);
214 msleep(2);
215}
216
217static void pca100_ac97_cold_reset(struct snd_ac97 *ac97)
218{
219 mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT);
220 gpio_set_value(GPIO_PORTC + 20, 0);
221 mxc_gpio_mode(GPIO_PORTC | 22 | GPIO_GPIO | GPIO_OUT);
222 gpio_set_value(GPIO_PORTC + 22, 0);
223 mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_OUT);
224 gpio_set_value(GPIO_PORTC + 28, 0);
225 udelay(10);
226 gpio_set_value(GPIO_PORTC + 28, 1);
227 mxc_gpio_mode(PC20_PF_SSI1_FS);
228 mxc_gpio_mode(PC22_PF_SSI1_TXD);
229 msleep(2);
230}
231
232static const struct imx_ssi_platform_data pca100_ssi_pdata __initconst = {
233 .ac97_reset = pca100_ac97_cold_reset,
234 .ac97_warm_reset = pca100_ac97_warm_reset,
235 .flags = IMX_SSI_USE_AC97,
236};
237
238static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
239 void *data)
240{
241 int ret;
242
243 ret = request_irq(gpio_to_irq(IMX_GPIO_NR(3, 29)), detect_irq,
244 IRQF_TRIGGER_FALLING, "imx-mmc-detect", data);
245 if (ret)
246 printk(KERN_ERR
247 "pca100: Failed to request irq for sd/mmc detection\n");
248
249 return ret;
250}
251
252static void pca100_sdhc2_exit(struct device *dev, void *data)
253{
254 free_irq(gpio_to_irq(IMX_GPIO_NR(3, 29)), data);
255}
256
257static const struct imxmmc_platform_data sdhc_pdata __initconst = {
258 .init = pca100_sdhc2_init,
259 .exit = pca100_sdhc2_exit,
260};
261
262static int otg_phy_init(struct platform_device *pdev)
263{
264 gpio_set_value(OTG_PHY_CS_GPIO, 0);
265
266 mdelay(10);
267
268 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
269}
270
271static struct mxc_usbh_platform_data otg_pdata __initdata = {
272 .init = otg_phy_init,
273 .portsc = MXC_EHCI_MODE_ULPI,
274};
275
276static int usbh2_phy_init(struct platform_device *pdev)
277{
278 gpio_set_value(USBH2_PHY_CS_GPIO, 0);
279
280 mdelay(10);
281
282 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
283}
284
285static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
286 .init = usbh2_phy_init,
287 .portsc = MXC_EHCI_MODE_ULPI,
288};
289
290static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
291 .operating_mode = FSL_USB2_DR_DEVICE,
292 .phy_mode = FSL_USB2_PHY_ULPI,
293};
294
295static bool otg_mode_host __initdata;
296
297static int __init pca100_otg_mode(char *options)
298{
299 if (!strcmp(options, "host"))
300 otg_mode_host = true;
301 else if (!strcmp(options, "device"))
302 otg_mode_host = false;
303 else
304 pr_info("otg_mode neither \"host\" nor \"device\". "
305 "Defaulting to device\n");
306 return 1;
307}
308__setup("otg_mode=", pca100_otg_mode);
309
310
311static struct imx_fb_videomode pca100_fb_modes[] = {
312 {
313 .mode = {
314 .name = "EMERGING-ETV570G0DHU",
315 .refresh = 60,
316 .xres = 640,
317 .yres = 480,
318 .pixclock = 39722,
319 .hsync_len = 30,
320 .left_margin = 114,
321 .right_margin = 16,
322 .vsync_len = 3,
323 .upper_margin = 32,
324 .lower_margin = 0,
325 },
326
327
328
329
330
331
332
333
334
335 .pcr = 0xf0c08080,
336 .bpp = 16,
337 },
338};
339
340static const struct imx_fb_platform_data pca100_fb_data __initconst = {
341 .mode = pca100_fb_modes,
342 .num_modes = ARRAY_SIZE(pca100_fb_modes),
343
344 .pwmr = 0x00A903FF,
345 .lscr1 = 0x00120300,
346 .dmacr = 0x00020010,
347};
348
349static void __init pca100_init(void)
350{
351 int ret;
352
353 imx27_soc_init();
354
355 ret = mxc_gpio_setup_multiple_pins(pca100_pins,
356 ARRAY_SIZE(pca100_pins), "PCA100");
357 if (ret)
358 printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret);
359
360 imx27_add_imx_uart0(&uart_pdata);
361
362 imx27_add_mxc_nand(&pca100_nand_board_info);
363
364
365 i2c_register_board_info(1, pca100_i2c_devices,
366 ARRAY_SIZE(pca100_i2c_devices));
367
368 imx27_add_imx_i2c(1, &pca100_i2c1_data);
369
370 mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_IN);
371 mxc_gpio_mode(GPIO_PORTD | 27 | GPIO_GPIO | GPIO_IN);
372 spi_register_board_info(pca100_spi_board_info,
373 ARRAY_SIZE(pca100_spi_board_info));
374 imx27_add_spi_imx0(&pca100_spi0_gpiod_table);
375
376 imx27_add_imx_fb(&pca100_fb_data);
377
378 imx27_add_fec(NULL);
379 imx27_add_imx2_wdt();
380 imx27_add_mxc_w1();
381}
382
383static void __init pca100_late_init(void)
384{
385 imx27_add_imx_ssi(0, &pca100_ssi_pdata);
386
387 imx27_add_mxc_mmc(1, &sdhc_pdata);
388
389 gpio_request(OTG_PHY_CS_GPIO, "usb-otg-cs");
390 gpio_direction_output(OTG_PHY_CS_GPIO, 1);
391 gpio_request(USBH2_PHY_CS_GPIO, "usb-host2-cs");
392 gpio_direction_output(USBH2_PHY_CS_GPIO, 1);
393
394 if (otg_mode_host) {
395 otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
396 ULPI_OTG_DRVVBUS_EXT);
397
398 if (otg_pdata.otg)
399 imx27_add_mxc_ehci_otg(&otg_pdata);
400 } else {
401 gpio_set_value(OTG_PHY_CS_GPIO, 0);
402 imx27_add_fsl_usb2_udc(&otg_device_pdata);
403 }
404
405 usbh2_pdata.otg = imx_otg_ulpi_create(
406 ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
407
408 if (usbh2_pdata.otg)
409 imx27_add_mxc_ehci_hs(2, &usbh2_pdata);
410}
411
412static void __init pca100_timer_init(void)
413{
414 mx27_clocks_init(26000000);
415}
416
417MACHINE_START(PCA100, "phyCARD-i.MX27")
418 .atag_offset = 0x100,
419 .map_io = mx27_map_io,
420 .init_early = imx27_init_early,
421 .init_irq = mx27_init_irq,
422 .init_machine = pca100_init,
423 .init_late = pca100_late_init,
424 .init_time = pca100_timer_init,
425 .restart = mxc_restart,
426MACHINE_END
427
