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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> | |
33731698 LF |
32 | |
33 | #include <asm/mach/arch.h> | |
34 | #include <asm/mach-types.h> | |
35 | #include <mach/common.h> | |
36 | #include <mach/hardware.h> | |
e835d88e | 37 | #include <mach/iomux-mx27.h> |
33731698 | 38 | #include <asm/mach/time.h> |
c8a6885f | 39 | #include <mach/audmux.h> |
33731698 LF |
40 | #include <mach/mxc_nand.h> |
41 | #include <mach/irqs.h> | |
eee7c497 | 42 | #include <mach/ulpi.h> |
33731698 | 43 | |
0e7a29a8 | 44 | #include "devices-imx27.h" |
33731698 | 45 | |
eee7c497 SH |
46 | #define OTG_PHY_CS_GPIO (GPIO_PORTB + 23) |
47 | #define USBH2_PHY_CS_GPIO (GPIO_PORTB + 24) | |
b725abad LF |
48 | #define SPI1_SS0 (GPIO_PORTD + 28) |
49 | #define SPI1_SS1 (GPIO_PORTD + 27) | |
50 | #define SD2_CD (GPIO_PORTC + 29) | |
eee7c497 | 51 | |
6c80ee51 | 52 | static const int pca100_pins[] __initconst = { |
33731698 LF |
53 | /* UART1 */ |
54 | PE12_PF_UART1_TXD, | |
55 | PE13_PF_UART1_RXD, | |
56 | PE14_PF_UART1_CTS, | |
57 | PE15_PF_UART1_RTS, | |
58 | /* SDHC */ | |
59 | PB4_PF_SD2_D0, | |
60 | PB5_PF_SD2_D1, | |
61 | PB6_PF_SD2_D2, | |
62 | PB7_PF_SD2_D3, | |
63 | PB8_PF_SD2_CMD, | |
64 | PB9_PF_SD2_CLK, | |
b725abad | 65 | SD2_CD | GPIO_GPIO | GPIO_IN, |
33731698 LF |
66 | /* FEC */ |
67 | PD0_AIN_FEC_TXD0, | |
68 | PD1_AIN_FEC_TXD1, | |
69 | PD2_AIN_FEC_TXD2, | |
70 | PD3_AIN_FEC_TXD3, | |
71 | PD4_AOUT_FEC_RX_ER, | |
72 | PD5_AOUT_FEC_RXD1, | |
73 | PD6_AOUT_FEC_RXD2, | |
74 | PD7_AOUT_FEC_RXD3, | |
75 | PD8_AF_FEC_MDIO, | |
76 | PD9_AIN_FEC_MDC, | |
77 | PD10_AOUT_FEC_CRS, | |
78 | PD11_AOUT_FEC_TX_CLK, | |
79 | PD12_AOUT_FEC_RXD0, | |
80 | PD13_AOUT_FEC_RX_DV, | |
81 | PD14_AOUT_FEC_RX_CLK, | |
82 | PD15_AOUT_FEC_COL, | |
83 | PD16_AIN_FEC_TX_ER, | |
84 | PF23_AIN_FEC_TX_EN, | |
85 | /* SSI1 */ | |
86 | PC20_PF_SSI1_FS, | |
87 | PC21_PF_SSI1_RXD, | |
88 | PC22_PF_SSI1_TXD, | |
89 | PC23_PF_SSI1_CLK, | |
90 | /* onboard I2C */ | |
91 | PC5_PF_I2C2_SDA, | |
92 | PC6_PF_I2C2_SCL, | |
93 | /* external I2C */ | |
94 | PD17_PF_I2C_DATA, | |
95 | PD18_PF_I2C_CLK, | |
96 | /* SPI1 */ | |
97 | PD25_PF_CSPI1_RDY, | |
98 | PD29_PF_CSPI1_SCLK, | |
99 | PD30_PF_CSPI1_MISO, | |
100 | PD31_PF_CSPI1_MOSI, | |
eee7c497 SH |
101 | /* OTG */ |
102 | OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT, | |
103 | PC7_PF_USBOTG_DATA5, | |
104 | PC8_PF_USBOTG_DATA6, | |
105 | PC9_PF_USBOTG_DATA0, | |
106 | PC10_PF_USBOTG_DATA2, | |
107 | PC11_PF_USBOTG_DATA1, | |
108 | PC12_PF_USBOTG_DATA4, | |
109 | PC13_PF_USBOTG_DATA3, | |
110 | PE0_PF_USBOTG_NXT, | |
111 | PE1_PF_USBOTG_STP, | |
112 | PE2_PF_USBOTG_DIR, | |
113 | PE24_PF_USBOTG_CLK, | |
114 | PE25_PF_USBOTG_DATA7, | |
115 | /* USBH2 */ | |
116 | USBH2_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT, | |
117 | PA0_PF_USBH2_CLK, | |
118 | PA1_PF_USBH2_DIR, | |
119 | PA2_PF_USBH2_DATA7, | |
120 | PA3_PF_USBH2_NXT, | |
121 | PA4_PF_USBH2_STP, | |
122 | PD19_AF_USBH2_DATA4, | |
123 | PD20_AF_USBH2_DATA3, | |
124 | PD21_AF_USBH2_DATA6, | |
125 | PD22_AF_USBH2_DATA0, | |
126 | PD23_AF_USBH2_DATA2, | |
127 | PD24_AF_USBH2_DATA1, | |
128 | PD26_AF_USBH2_DATA5, | |
42216fc5 LF |
129 | /* display */ |
130 | PA5_PF_LSCLK, | |
131 | PA6_PF_LD0, | |
132 | PA7_PF_LD1, | |
133 | PA8_PF_LD2, | |
134 | PA9_PF_LD3, | |
135 | PA10_PF_LD4, | |
136 | PA11_PF_LD5, | |
137 | PA12_PF_LD6, | |
138 | PA13_PF_LD7, | |
139 | PA14_PF_LD8, | |
140 | PA15_PF_LD9, | |
141 | PA16_PF_LD10, | |
142 | PA17_PF_LD11, | |
143 | PA18_PF_LD12, | |
144 | PA19_PF_LD13, | |
145 | PA20_PF_LD14, | |
146 | PA21_PF_LD15, | |
147 | PA22_PF_LD16, | |
148 | PA23_PF_LD17, | |
149 | PA26_PF_PS, | |
150 | PA28_PF_HSYNC, | |
151 | PA29_PF_VSYNC, | |
152 | PA31_PF_OE_ACD, | |
b725abad LF |
153 | /* free GPIO */ |
154 | GPIO_PORTC | 31 | GPIO_GPIO | GPIO_IN, /* GPIO0_IRQ */ | |
155 | GPIO_PORTC | 25 | GPIO_GPIO | GPIO_IN, /* GPIO1_IRQ */ | |
156 | GPIO_PORTE | 5 | GPIO_GPIO | GPIO_IN, /* GPIO2_IRQ */ | |
33731698 LF |
157 | }; |
158 | ||
d5dac4a6 | 159 | static const struct imxuart_platform_data uart_pdata __initconst = { |
33731698 LF |
160 | .flags = IMXUART_HAVE_RTSCTS, |
161 | }; | |
162 | ||
0e7a29a8 UKK |
163 | static const struct mxc_nand_platform_data |
164 | pca100_nand_board_info __initconst = { | |
33731698 LF |
165 | .width = 1, |
166 | .hw_ecc = 1, | |
167 | }; | |
168 | ||
c6987159 | 169 | static const struct imxi2c_platform_data pca100_i2c1_data __initconst = { |
33731698 LF |
170 | .bitrate = 100000, |
171 | }; | |
172 | ||
173 | static struct at24_platform_data board_eeprom = { | |
174 | .byte_len = 4096, | |
175 | .page_size = 32, | |
176 | .flags = AT24_FLAG_ADDR16, | |
177 | }; | |
178 | ||
179 | static struct i2c_board_info pca100_i2c_devices[] = { | |
180 | { | |
181 | I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ | |
182 | .platform_data = &board_eeprom, | |
183 | }, { | |
bd9e310d | 184 | I2C_BOARD_INFO("pcf8563", 0x51), |
33731698 LF |
185 | }, { |
186 | I2C_BOARD_INFO("lm75", 0x4a), | |
33731698 LF |
187 | } |
188 | }; | |
189 | ||
190 | #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) | |
191 | static struct spi_eeprom at25320 = { | |
192 | .name = "at25320an", | |
193 | .byte_len = 4096, | |
194 | .page_size = 32, | |
195 | .flags = EE_ADDR2, | |
196 | }; | |
197 | ||
198 | static struct spi_board_info pca100_spi_board_info[] __initdata = { | |
199 | { | |
200 | .modalias = "at25", | |
201 | .max_speed_hz = 30000, | |
202 | .bus_num = 0, | |
203 | .chip_select = 1, | |
204 | .platform_data = &at25320, | |
205 | }, | |
206 | }; | |
207 | ||
b725abad | 208 | static int pca100_spi_cs[] = {SPI1_SS0, SPI1_SS1}; |
33731698 | 209 | |
7536cf99 | 210 | static const struct spi_imx_master pca100_spi0_data __initconst = { |
33731698 LF |
211 | .chipselect = pca100_spi_cs, |
212 | .num_chipselect = ARRAY_SIZE(pca100_spi_cs), | |
213 | }; | |
214 | #endif | |
215 | ||
c8a6885f SH |
216 | static void pca100_ac97_warm_reset(struct snd_ac97 *ac97) |
217 | { | |
218 | mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT); | |
219 | gpio_set_value(GPIO_PORTC + 20, 1); | |
220 | udelay(2); | |
221 | gpio_set_value(GPIO_PORTC + 20, 0); | |
222 | mxc_gpio_mode(PC20_PF_SSI1_FS); | |
223 | msleep(2); | |
224 | } | |
225 | ||
226 | static void pca100_ac97_cold_reset(struct snd_ac97 *ac97) | |
227 | { | |
228 | mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT); /* FS */ | |
229 | gpio_set_value(GPIO_PORTC + 20, 0); | |
230 | mxc_gpio_mode(GPIO_PORTC | 22 | GPIO_GPIO | GPIO_OUT); /* TX */ | |
231 | gpio_set_value(GPIO_PORTC + 22, 0); | |
232 | mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_OUT); /* reset */ | |
233 | gpio_set_value(GPIO_PORTC + 28, 0); | |
234 | udelay(10); | |
235 | gpio_set_value(GPIO_PORTC + 28, 1); | |
236 | mxc_gpio_mode(PC20_PF_SSI1_FS); | |
237 | mxc_gpio_mode(PC22_PF_SSI1_TXD); | |
238 | msleep(2); | |
239 | } | |
240 | ||
4697bb92 | 241 | static const struct imx_ssi_platform_data pca100_ssi_pdata __initconst = { |
c8a6885f SH |
242 | .ac97_reset = pca100_ac97_cold_reset, |
243 | .ac97_warm_reset = pca100_ac97_warm_reset, | |
244 | .flags = IMX_SSI_USE_AC97, | |
245 | }; | |
246 | ||
33731698 LF |
247 | static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq, |
248 | void *data) | |
249 | { | |
250 | int ret; | |
251 | ||
252 | ret = request_irq(IRQ_GPIOC(29), detect_irq, | |
253 | IRQF_DISABLED | IRQF_TRIGGER_FALLING, | |
254 | "imx-mmc-detect", data); | |
255 | if (ret) | |
256 | printk(KERN_ERR | |
257 | "pca100: Failed to reuest irq for sd/mmc detection\n"); | |
258 | ||
259 | return ret; | |
260 | } | |
261 | ||
262 | static void pca100_sdhc2_exit(struct device *dev, void *data) | |
263 | { | |
264 | free_irq(IRQ_GPIOC(29), data); | |
265 | } | |
266 | ||
9d3d945a | 267 | static const struct imxmmc_platform_data sdhc_pdata __initconst = { |
33731698 LF |
268 | .init = pca100_sdhc2_init, |
269 | .exit = pca100_sdhc2_exit, | |
270 | }; | |
271 | ||
c18e8fa5 | 272 | #if defined(CONFIG_USB_ULPI) |
eee7c497 SH |
273 | static int otg_phy_init(struct platform_device *pdev) |
274 | { | |
275 | gpio_set_value(OTG_PHY_CS_GPIO, 0); | |
276 | return 0; | |
277 | } | |
278 | ||
2eb42d5c | 279 | static struct mxc_usbh_platform_data otg_pdata __initdata = { |
eee7c497 SH |
280 | .init = otg_phy_init, |
281 | .portsc = MXC_EHCI_MODE_ULPI, | |
282 | .flags = MXC_EHCI_INTERFACE_DIFF_UNI, | |
283 | }; | |
284 | ||
285 | static int usbh2_phy_init(struct platform_device *pdev) | |
286 | { | |
287 | gpio_set_value(USBH2_PHY_CS_GPIO, 0); | |
288 | return 0; | |
289 | } | |
290 | ||
2eb42d5c | 291 | static struct mxc_usbh_platform_data usbh2_pdata __initdata = { |
eee7c497 SH |
292 | .init = usbh2_phy_init, |
293 | .portsc = MXC_EHCI_MODE_ULPI, | |
294 | .flags = MXC_EHCI_INTERFACE_DIFF_UNI, | |
295 | }; | |
c18e8fa5 | 296 | #endif |
eee7c497 | 297 | |
bd455ed3 | 298 | static const struct fsl_usb2_platform_data otg_device_pdata __initconst = { |
eee7c497 SH |
299 | .operating_mode = FSL_USB2_DR_DEVICE, |
300 | .phy_mode = FSL_USB2_PHY_ULPI, | |
301 | }; | |
302 | ||
303 | static int otg_mode_host; | |
304 | ||
305 | static int __init pca100_otg_mode(char *options) | |
306 | { | |
307 | if (!strcmp(options, "host")) | |
308 | otg_mode_host = 1; | |
309 | else if (!strcmp(options, "device")) | |
310 | otg_mode_host = 0; | |
311 | else | |
312 | pr_info("otg_mode neither \"host\" nor \"device\". " | |
313 | "Defaulting to device\n"); | |
314 | return 0; | |
315 | } | |
316 | __setup("otg_mode=", pca100_otg_mode); | |
317 | ||
42216fc5 LF |
318 | /* framebuffer info */ |
319 | static struct imx_fb_videomode pca100_fb_modes[] = { | |
320 | { | |
321 | .mode = { | |
322 | .name = "EMERGING-ETV570G0DHU", | |
323 | .refresh = 60, | |
324 | .xres = 640, | |
325 | .yres = 480, | |
326 | .pixclock = 39722, /* in ps (25.175 MHz) */ | |
327 | .hsync_len = 30, | |
328 | .left_margin = 114, | |
329 | .right_margin = 16, | |
330 | .vsync_len = 3, | |
331 | .upper_margin = 32, | |
332 | .lower_margin = 0, | |
333 | }, | |
334 | /* | |
335 | * TFT | |
336 | * Pixel pol active high | |
337 | * HSYNC active low | |
338 | * VSYNC active low | |
339 | * use HSYNC for ACD count | |
340 | * line clock disable while idle | |
341 | * always enable line clock even if no data | |
342 | */ | |
343 | .pcr = 0xf0c08080, | |
344 | .bpp = 16, | |
345 | }, | |
346 | }; | |
347 | ||
ad851bff | 348 | static const struct imx_fb_platform_data pca100_fb_data __initconst = { |
42216fc5 LF |
349 | .mode = pca100_fb_modes, |
350 | .num_modes = ARRAY_SIZE(pca100_fb_modes), | |
351 | ||
352 | .pwmr = 0x00A903FF, | |
353 | .lscr1 = 0x00120300, | |
354 | .dmacr = 0x00020010, | |
355 | }; | |
356 | ||
33731698 LF |
357 | static void __init pca100_init(void) |
358 | { | |
359 | int ret; | |
360 | ||
c8a6885f SH |
361 | /* SSI unit */ |
362 | mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0, | |
363 | MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */ | |
364 | MXC_AUDMUX_V1_PCR_TFCSEL(3) | | |
365 | MXC_AUDMUX_V1_PCR_TCLKDIR | /* clock is output */ | |
366 | MXC_AUDMUX_V1_PCR_RXDSEL(3)); | |
367 | mxc_audmux_v1_configure_port(3, | |
368 | MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */ | |
369 | MXC_AUDMUX_V1_PCR_TFCSEL(0) | | |
370 | MXC_AUDMUX_V1_PCR_TFSDIR | | |
371 | MXC_AUDMUX_V1_PCR_RXDSEL(0)); | |
372 | ||
33731698 LF |
373 | ret = mxc_gpio_setup_multiple_pins(pca100_pins, |
374 | ARRAY_SIZE(pca100_pins), "PCA100"); | |
375 | if (ret) | |
376 | printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret); | |
377 | ||
4697bb92 | 378 | imx27_add_imx_ssi(0, &pca100_ssi_pdata); |
c8a6885f | 379 | |
d5dac4a6 | 380 | imx27_add_imx_uart0(&uart_pdata); |
33731698 | 381 | |
9d3d945a | 382 | imx27_add_mxc_mmc(1, &sdhc_pdata); |
33731698 | 383 | |
0e7a29a8 | 384 | imx27_add_mxc_nand(&pca100_nand_board_info); |
33731698 LF |
385 | |
386 | /* only the i2c master 1 is used on this CPU card */ | |
387 | i2c_register_board_info(1, pca100_i2c_devices, | |
388 | ARRAY_SIZE(pca100_i2c_devices)); | |
389 | ||
77a406da | 390 | imx27_add_imx_i2c(1, &pca100_i2c1_data); |
33731698 | 391 | |
33731698 | 392 | #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) |
b725abad LF |
393 | mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_IN); |
394 | mxc_gpio_mode(GPIO_PORTD | 27 | GPIO_GPIO | GPIO_IN); | |
33731698 LF |
395 | spi_register_board_info(pca100_spi_board_info, |
396 | ARRAY_SIZE(pca100_spi_board_info)); | |
4df772d7 | 397 | imx27_add_spi_imx0(&pca100_spi0_data); |
33731698 LF |
398 | #endif |
399 | ||
eee7c497 SH |
400 | gpio_request(OTG_PHY_CS_GPIO, "usb-otg-cs"); |
401 | gpio_direction_output(OTG_PHY_CS_GPIO, 1); | |
402 | gpio_request(USBH2_PHY_CS_GPIO, "usb-host2-cs"); | |
403 | gpio_direction_output(USBH2_PHY_CS_GPIO, 1); | |
404 | ||
405 | #if defined(CONFIG_USB_ULPI) | |
406 | if (otg_mode_host) { | |
407 | otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, | |
70ddd47f | 408 | ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); |
eee7c497 | 409 | |
2eb42d5c | 410 | imx27_add_mxc_ehci_otg(&otg_pdata); |
eee7c497 SH |
411 | } |
412 | ||
413 | usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, | |
70ddd47f | 414 | ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); |
eee7c497 | 415 | |
2eb42d5c | 416 | imx27_add_mxc_ehci_hs(2, &usbh2_pdata); |
eee7c497 SH |
417 | #endif |
418 | if (!otg_mode_host) { | |
419 | gpio_set_value(OTG_PHY_CS_GPIO, 0); | |
bd455ed3 | 420 | imx27_add_fsl_usb2_udc(&otg_device_pdata); |
eee7c497 SH |
421 | } |
422 | ||
ad851bff | 423 | imx27_add_imx_fb(&pca100_fb_data); |
42216fc5 | 424 | |
6bd96f3c | 425 | imx27_add_fec(NULL); |
e0a1961d | 426 | imx27_add_imx2_wdt(NULL); |
ae71a562 | 427 | imx27_add_mxc_w1(NULL); |
33731698 LF |
428 | } |
429 | ||
430 | static void __init pca100_timer_init(void) | |
431 | { | |
432 | mx27_clocks_init(26000000); | |
433 | } | |
434 | ||
435 | static struct sys_timer pca100_timer = { | |
436 | .init = pca100_timer_init, | |
437 | }; | |
438 | ||
439 | MACHINE_START(PCA100, "phyCARD-i.MX27") | |
34101237 | 440 | .boot_params = MX27_PHYS_OFFSET + 0x100, |
33731698 | 441 | .map_io = mx27_map_io, |
f6f1bc64 | 442 | .init_irq = mx27_init_irq, |
33731698 LF |
443 | .init_machine = pca100_init, |
444 | .timer = &pca100_timer, | |
445 | MACHINE_END | |
446 |