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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> | |
23 | #include <linux/i2c/at24.h> | |
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> | |
32 | #include <linux/fsl_devices.h> | |
33731698 LF |
33 | |
34 | #include <asm/mach/arch.h> | |
35 | #include <asm/mach-types.h> | |
36 | #include <mach/common.h> | |
37 | #include <mach/hardware.h> | |
e835d88e | 38 | #include <mach/iomux-mx27.h> |
33731698 | 39 | #include <asm/mach/time.h> |
c8a6885f | 40 | #include <mach/audmux.h> |
33731698 LF |
41 | #include <mach/mxc_nand.h> |
42 | #include <mach/irqs.h> | |
43 | #include <mach/mmc.h> | |
eee7c497 SH |
44 | #include <mach/mxc_ehci.h> |
45 | #include <mach/ulpi.h> | |
42216fc5 | 46 | #include <mach/imxfb.h> |
33731698 | 47 | |
0e7a29a8 | 48 | #include "devices-imx27.h" |
33731698 LF |
49 | #include "devices.h" |
50 | ||
eee7c497 SH |
51 | #define OTG_PHY_CS_GPIO (GPIO_PORTB + 23) |
52 | #define USBH2_PHY_CS_GPIO (GPIO_PORTB + 24) | |
b725abad LF |
53 | #define SPI1_SS0 (GPIO_PORTD + 28) |
54 | #define SPI1_SS1 (GPIO_PORTD + 27) | |
55 | #define SD2_CD (GPIO_PORTC + 29) | |
eee7c497 | 56 | |
33731698 LF |
57 | static int pca100_pins[] = { |
58 | /* UART1 */ | |
59 | PE12_PF_UART1_TXD, | |
60 | PE13_PF_UART1_RXD, | |
61 | PE14_PF_UART1_CTS, | |
62 | PE15_PF_UART1_RTS, | |
63 | /* SDHC */ | |
64 | PB4_PF_SD2_D0, | |
65 | PB5_PF_SD2_D1, | |
66 | PB6_PF_SD2_D2, | |
67 | PB7_PF_SD2_D3, | |
68 | PB8_PF_SD2_CMD, | |
69 | PB9_PF_SD2_CLK, | |
b725abad | 70 | SD2_CD | GPIO_GPIO | GPIO_IN, |
33731698 LF |
71 | /* FEC */ |
72 | PD0_AIN_FEC_TXD0, | |
73 | PD1_AIN_FEC_TXD1, | |
74 | PD2_AIN_FEC_TXD2, | |
75 | PD3_AIN_FEC_TXD3, | |
76 | PD4_AOUT_FEC_RX_ER, | |
77 | PD5_AOUT_FEC_RXD1, | |
78 | PD6_AOUT_FEC_RXD2, | |
79 | PD7_AOUT_FEC_RXD3, | |
80 | PD8_AF_FEC_MDIO, | |
81 | PD9_AIN_FEC_MDC, | |
82 | PD10_AOUT_FEC_CRS, | |
83 | PD11_AOUT_FEC_TX_CLK, | |
84 | PD12_AOUT_FEC_RXD0, | |
85 | PD13_AOUT_FEC_RX_DV, | |
86 | PD14_AOUT_FEC_RX_CLK, | |
87 | PD15_AOUT_FEC_COL, | |
88 | PD16_AIN_FEC_TX_ER, | |
89 | PF23_AIN_FEC_TX_EN, | |
90 | /* SSI1 */ | |
91 | PC20_PF_SSI1_FS, | |
92 | PC21_PF_SSI1_RXD, | |
93 | PC22_PF_SSI1_TXD, | |
94 | PC23_PF_SSI1_CLK, | |
95 | /* onboard I2C */ | |
96 | PC5_PF_I2C2_SDA, | |
97 | PC6_PF_I2C2_SCL, | |
98 | /* external I2C */ | |
99 | PD17_PF_I2C_DATA, | |
100 | PD18_PF_I2C_CLK, | |
101 | /* SPI1 */ | |
102 | PD25_PF_CSPI1_RDY, | |
103 | PD29_PF_CSPI1_SCLK, | |
104 | PD30_PF_CSPI1_MISO, | |
105 | PD31_PF_CSPI1_MOSI, | |
eee7c497 SH |
106 | /* OTG */ |
107 | OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT, | |
108 | PC7_PF_USBOTG_DATA5, | |
109 | PC8_PF_USBOTG_DATA6, | |
110 | PC9_PF_USBOTG_DATA0, | |
111 | PC10_PF_USBOTG_DATA2, | |
112 | PC11_PF_USBOTG_DATA1, | |
113 | PC12_PF_USBOTG_DATA4, | |
114 | PC13_PF_USBOTG_DATA3, | |
115 | PE0_PF_USBOTG_NXT, | |
116 | PE1_PF_USBOTG_STP, | |
117 | PE2_PF_USBOTG_DIR, | |
118 | PE24_PF_USBOTG_CLK, | |
119 | PE25_PF_USBOTG_DATA7, | |
120 | /* USBH2 */ | |
121 | USBH2_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT, | |
122 | PA0_PF_USBH2_CLK, | |
123 | PA1_PF_USBH2_DIR, | |
124 | PA2_PF_USBH2_DATA7, | |
125 | PA3_PF_USBH2_NXT, | |
126 | PA4_PF_USBH2_STP, | |
127 | PD19_AF_USBH2_DATA4, | |
128 | PD20_AF_USBH2_DATA3, | |
129 | PD21_AF_USBH2_DATA6, | |
130 | PD22_AF_USBH2_DATA0, | |
131 | PD23_AF_USBH2_DATA2, | |
132 | PD24_AF_USBH2_DATA1, | |
133 | PD26_AF_USBH2_DATA5, | |
42216fc5 LF |
134 | /* display */ |
135 | PA5_PF_LSCLK, | |
136 | PA6_PF_LD0, | |
137 | PA7_PF_LD1, | |
138 | PA8_PF_LD2, | |
139 | PA9_PF_LD3, | |
140 | PA10_PF_LD4, | |
141 | PA11_PF_LD5, | |
142 | PA12_PF_LD6, | |
143 | PA13_PF_LD7, | |
144 | PA14_PF_LD8, | |
145 | PA15_PF_LD9, | |
146 | PA16_PF_LD10, | |
147 | PA17_PF_LD11, | |
148 | PA18_PF_LD12, | |
149 | PA19_PF_LD13, | |
150 | PA20_PF_LD14, | |
151 | PA21_PF_LD15, | |
152 | PA22_PF_LD16, | |
153 | PA23_PF_LD17, | |
154 | PA26_PF_PS, | |
155 | PA28_PF_HSYNC, | |
156 | PA29_PF_VSYNC, | |
157 | PA31_PF_OE_ACD, | |
b725abad LF |
158 | /* free GPIO */ |
159 | GPIO_PORTC | 31 | GPIO_GPIO | GPIO_IN, /* GPIO0_IRQ */ | |
160 | GPIO_PORTC | 25 | GPIO_GPIO | GPIO_IN, /* GPIO1_IRQ */ | |
161 | GPIO_PORTE | 5 | GPIO_GPIO | GPIO_IN, /* GPIO2_IRQ */ | |
33731698 LF |
162 | }; |
163 | ||
d5dac4a6 | 164 | static const struct imxuart_platform_data uart_pdata __initconst = { |
33731698 LF |
165 | .flags = IMXUART_HAVE_RTSCTS, |
166 | }; | |
167 | ||
0e7a29a8 UKK |
168 | static const struct mxc_nand_platform_data |
169 | pca100_nand_board_info __initconst = { | |
33731698 LF |
170 | .width = 1, |
171 | .hw_ecc = 1, | |
172 | }; | |
173 | ||
174 | static struct platform_device *platform_devices[] __initdata = { | |
175 | &mxc_w1_master_device, | |
176 | &mxc_fec_device, | |
f13899da | 177 | &mxc_wdt, |
33731698 LF |
178 | }; |
179 | ||
c6987159 | 180 | static const struct imxi2c_platform_data pca100_i2c1_data __initconst = { |
33731698 LF |
181 | .bitrate = 100000, |
182 | }; | |
183 | ||
184 | static struct at24_platform_data board_eeprom = { | |
185 | .byte_len = 4096, | |
186 | .page_size = 32, | |
187 | .flags = AT24_FLAG_ADDR16, | |
188 | }; | |
189 | ||
190 | static struct i2c_board_info pca100_i2c_devices[] = { | |
191 | { | |
192 | I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ | |
193 | .platform_data = &board_eeprom, | |
194 | }, { | |
195 | I2C_BOARD_INFO("rtc-pcf8563", 0x51), | |
196 | .type = "pcf8563" | |
197 | }, { | |
198 | I2C_BOARD_INFO("lm75", 0x4a), | |
199 | .type = "lm75" | |
200 | } | |
201 | }; | |
202 | ||
203 | #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) | |
204 | static struct spi_eeprom at25320 = { | |
205 | .name = "at25320an", | |
206 | .byte_len = 4096, | |
207 | .page_size = 32, | |
208 | .flags = EE_ADDR2, | |
209 | }; | |
210 | ||
211 | static struct spi_board_info pca100_spi_board_info[] __initdata = { | |
212 | { | |
213 | .modalias = "at25", | |
214 | .max_speed_hz = 30000, | |
215 | .bus_num = 0, | |
216 | .chip_select = 1, | |
217 | .platform_data = &at25320, | |
218 | }, | |
219 | }; | |
220 | ||
b725abad | 221 | static int pca100_spi_cs[] = {SPI1_SS0, SPI1_SS1}; |
33731698 | 222 | |
7536cf99 | 223 | static const struct spi_imx_master pca100_spi0_data __initconst = { |
33731698 LF |
224 | .chipselect = pca100_spi_cs, |
225 | .num_chipselect = ARRAY_SIZE(pca100_spi_cs), | |
226 | }; | |
227 | #endif | |
228 | ||
c8a6885f SH |
229 | static void pca100_ac97_warm_reset(struct snd_ac97 *ac97) |
230 | { | |
231 | mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT); | |
232 | gpio_set_value(GPIO_PORTC + 20, 1); | |
233 | udelay(2); | |
234 | gpio_set_value(GPIO_PORTC + 20, 0); | |
235 | mxc_gpio_mode(PC20_PF_SSI1_FS); | |
236 | msleep(2); | |
237 | } | |
238 | ||
239 | static void pca100_ac97_cold_reset(struct snd_ac97 *ac97) | |
240 | { | |
241 | mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT); /* FS */ | |
242 | gpio_set_value(GPIO_PORTC + 20, 0); | |
243 | mxc_gpio_mode(GPIO_PORTC | 22 | GPIO_GPIO | GPIO_OUT); /* TX */ | |
244 | gpio_set_value(GPIO_PORTC + 22, 0); | |
245 | mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_OUT); /* reset */ | |
246 | gpio_set_value(GPIO_PORTC + 28, 0); | |
247 | udelay(10); | |
248 | gpio_set_value(GPIO_PORTC + 28, 1); | |
249 | mxc_gpio_mode(PC20_PF_SSI1_FS); | |
250 | mxc_gpio_mode(PC22_PF_SSI1_TXD); | |
251 | msleep(2); | |
252 | } | |
253 | ||
4697bb92 | 254 | static const struct imx_ssi_platform_data pca100_ssi_pdata __initconst = { |
c8a6885f SH |
255 | .ac97_reset = pca100_ac97_cold_reset, |
256 | .ac97_warm_reset = pca100_ac97_warm_reset, | |
257 | .flags = IMX_SSI_USE_AC97, | |
258 | }; | |
259 | ||
33731698 LF |
260 | static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq, |
261 | void *data) | |
262 | { | |
263 | int ret; | |
264 | ||
265 | ret = request_irq(IRQ_GPIOC(29), detect_irq, | |
266 | IRQF_DISABLED | IRQF_TRIGGER_FALLING, | |
267 | "imx-mmc-detect", data); | |
268 | if (ret) | |
269 | printk(KERN_ERR | |
270 | "pca100: Failed to reuest irq for sd/mmc detection\n"); | |
271 | ||
272 | return ret; | |
273 | } | |
274 | ||
275 | static void pca100_sdhc2_exit(struct device *dev, void *data) | |
276 | { | |
277 | free_irq(IRQ_GPIOC(29), data); | |
278 | } | |
279 | ||
280 | static struct imxmmc_platform_data sdhc_pdata = { | |
281 | .init = pca100_sdhc2_init, | |
282 | .exit = pca100_sdhc2_exit, | |
283 | }; | |
284 | ||
c18e8fa5 | 285 | #if defined(CONFIG_USB_ULPI) |
eee7c497 SH |
286 | static int otg_phy_init(struct platform_device *pdev) |
287 | { | |
288 | gpio_set_value(OTG_PHY_CS_GPIO, 0); | |
289 | return 0; | |
290 | } | |
291 | ||
292 | static struct mxc_usbh_platform_data otg_pdata = { | |
293 | .init = otg_phy_init, | |
294 | .portsc = MXC_EHCI_MODE_ULPI, | |
295 | .flags = MXC_EHCI_INTERFACE_DIFF_UNI, | |
296 | }; | |
297 | ||
298 | static int usbh2_phy_init(struct platform_device *pdev) | |
299 | { | |
300 | gpio_set_value(USBH2_PHY_CS_GPIO, 0); | |
301 | return 0; | |
302 | } | |
303 | ||
304 | static struct mxc_usbh_platform_data usbh2_pdata = { | |
305 | .init = usbh2_phy_init, | |
306 | .portsc = MXC_EHCI_MODE_ULPI, | |
307 | .flags = MXC_EHCI_INTERFACE_DIFF_UNI, | |
308 | }; | |
c18e8fa5 | 309 | #endif |
eee7c497 SH |
310 | |
311 | static struct fsl_usb2_platform_data otg_device_pdata = { | |
312 | .operating_mode = FSL_USB2_DR_DEVICE, | |
313 | .phy_mode = FSL_USB2_PHY_ULPI, | |
314 | }; | |
315 | ||
316 | static int otg_mode_host; | |
317 | ||
318 | static int __init pca100_otg_mode(char *options) | |
319 | { | |
320 | if (!strcmp(options, "host")) | |
321 | otg_mode_host = 1; | |
322 | else if (!strcmp(options, "device")) | |
323 | otg_mode_host = 0; | |
324 | else | |
325 | pr_info("otg_mode neither \"host\" nor \"device\". " | |
326 | "Defaulting to device\n"); | |
327 | return 0; | |
328 | } | |
329 | __setup("otg_mode=", pca100_otg_mode); | |
330 | ||
42216fc5 LF |
331 | /* framebuffer info */ |
332 | static struct imx_fb_videomode pca100_fb_modes[] = { | |
333 | { | |
334 | .mode = { | |
335 | .name = "EMERGING-ETV570G0DHU", | |
336 | .refresh = 60, | |
337 | .xres = 640, | |
338 | .yres = 480, | |
339 | .pixclock = 39722, /* in ps (25.175 MHz) */ | |
340 | .hsync_len = 30, | |
341 | .left_margin = 114, | |
342 | .right_margin = 16, | |
343 | .vsync_len = 3, | |
344 | .upper_margin = 32, | |
345 | .lower_margin = 0, | |
346 | }, | |
347 | /* | |
348 | * TFT | |
349 | * Pixel pol active high | |
350 | * HSYNC active low | |
351 | * VSYNC active low | |
352 | * use HSYNC for ACD count | |
353 | * line clock disable while idle | |
354 | * always enable line clock even if no data | |
355 | */ | |
356 | .pcr = 0xf0c08080, | |
357 | .bpp = 16, | |
358 | }, | |
359 | }; | |
360 | ||
361 | static struct imx_fb_platform_data pca100_fb_data = { | |
362 | .mode = pca100_fb_modes, | |
363 | .num_modes = ARRAY_SIZE(pca100_fb_modes), | |
364 | ||
365 | .pwmr = 0x00A903FF, | |
366 | .lscr1 = 0x00120300, | |
367 | .dmacr = 0x00020010, | |
368 | }; | |
369 | ||
33731698 LF |
370 | static void __init pca100_init(void) |
371 | { | |
372 | int ret; | |
373 | ||
c8a6885f SH |
374 | /* SSI unit */ |
375 | mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0, | |
376 | MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */ | |
377 | MXC_AUDMUX_V1_PCR_TFCSEL(3) | | |
378 | MXC_AUDMUX_V1_PCR_TCLKDIR | /* clock is output */ | |
379 | MXC_AUDMUX_V1_PCR_RXDSEL(3)); | |
380 | mxc_audmux_v1_configure_port(3, | |
381 | MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */ | |
382 | MXC_AUDMUX_V1_PCR_TFCSEL(0) | | |
383 | MXC_AUDMUX_V1_PCR_TFSDIR | | |
384 | MXC_AUDMUX_V1_PCR_RXDSEL(0)); | |
385 | ||
33731698 LF |
386 | ret = mxc_gpio_setup_multiple_pins(pca100_pins, |
387 | ARRAY_SIZE(pca100_pins), "PCA100"); | |
388 | if (ret) | |
389 | printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret); | |
390 | ||
4697bb92 | 391 | imx27_add_imx_ssi(0, &pca100_ssi_pdata); |
c8a6885f | 392 | |
d5dac4a6 | 393 | imx27_add_imx_uart0(&uart_pdata); |
33731698 | 394 | |
33731698 LF |
395 | mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata); |
396 | ||
0e7a29a8 | 397 | imx27_add_mxc_nand(&pca100_nand_board_info); |
33731698 LF |
398 | |
399 | /* only the i2c master 1 is used on this CPU card */ | |
400 | i2c_register_board_info(1, pca100_i2c_devices, | |
401 | ARRAY_SIZE(pca100_i2c_devices)); | |
402 | ||
c6987159 | 403 | imx27_add_i2c_imx1(&pca100_i2c1_data); |
33731698 | 404 | |
33731698 | 405 | #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) |
b725abad LF |
406 | mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_IN); |
407 | mxc_gpio_mode(GPIO_PORTD | 27 | GPIO_GPIO | GPIO_IN); | |
33731698 LF |
408 | spi_register_board_info(pca100_spi_board_info, |
409 | ARRAY_SIZE(pca100_spi_board_info)); | |
4df772d7 | 410 | imx27_add_spi_imx0(&pca100_spi0_data); |
33731698 LF |
411 | #endif |
412 | ||
eee7c497 SH |
413 | gpio_request(OTG_PHY_CS_GPIO, "usb-otg-cs"); |
414 | gpio_direction_output(OTG_PHY_CS_GPIO, 1); | |
415 | gpio_request(USBH2_PHY_CS_GPIO, "usb-host2-cs"); | |
416 | gpio_direction_output(USBH2_PHY_CS_GPIO, 1); | |
417 | ||
418 | #if defined(CONFIG_USB_ULPI) | |
419 | if (otg_mode_host) { | |
420 | otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, | |
70ddd47f | 421 | ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); |
eee7c497 SH |
422 | |
423 | mxc_register_device(&mxc_otg_host, &otg_pdata); | |
424 | } | |
425 | ||
426 | usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, | |
70ddd47f | 427 | ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); |
eee7c497 SH |
428 | |
429 | mxc_register_device(&mxc_usbh2, &usbh2_pdata); | |
430 | #endif | |
431 | if (!otg_mode_host) { | |
432 | gpio_set_value(OTG_PHY_CS_GPIO, 0); | |
433 | mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); | |
434 | } | |
435 | ||
42216fc5 LF |
436 | mxc_register_device(&mxc_fb_device, &pca100_fb_data); |
437 | ||
33731698 LF |
438 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); |
439 | } | |
440 | ||
441 | static void __init pca100_timer_init(void) | |
442 | { | |
443 | mx27_clocks_init(26000000); | |
444 | } | |
445 | ||
446 | static struct sys_timer pca100_timer = { | |
447 | .init = pca100_timer_init, | |
448 | }; | |
449 | ||
450 | MACHINE_START(PCA100, "phyCARD-i.MX27") | |
3f35d1f5 UKK |
451 | .phys_io = MX27_AIPI_BASE_ADDR, |
452 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | |
34101237 | 453 | .boot_params = MX27_PHYS_OFFSET + 0x100, |
33731698 | 454 | .map_io = mx27_map_io, |
f6f1bc64 | 455 | .init_irq = mx27_init_irq, |
33731698 LF |
456 | .init_machine = pca100_init, |
457 | .timer = &pca100_timer, | |
458 | MACHINE_END | |
459 |