mx31: remove gpio_request calls from iomux code
[deliverable/linux.git] / arch / arm / mach-mx3 / pcm037.c
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1/*
2 * Copyright (C) 2008 Sascha Hauer, Pengutronix
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18
19#include <linux/types.h>
20#include <linux/init.h>
21
22#include <linux/platform_device.h>
23#include <linux/mtd/physmap.h>
3dad21a9 24#include <linux/mtd/plat-ram.h>
ce8ffef0 25#include <linux/memory.h>
ba54b958 26#include <linux/gpio.h>
4353318e 27#include <linux/smsc911x.h>
ba54b958 28#include <linux/interrupt.h>
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29#include <linux/i2c.h>
30#include <linux/i2c/at24.h>
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31#include <linux/delay.h>
32#include <linux/spi/spi.h>
33#include <linux/irq.h>
eb05bbeb 34#include <linux/fsl_devices.h>
ce8ffef0 35
a09e64fb 36#include <mach/hardware.h>
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37#include <asm/mach-types.h>
38#include <asm/mach/arch.h>
39#include <asm/mach/time.h>
40#include <asm/mach/map.h>
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41#include <mach/common.h>
42#include <mach/imx-uart.h>
43#include <mach/iomux-mx3.h>
a8df0ee8 44#include <mach/ipu.h>
a09e64fb 45#include <mach/board-pcm037.h>
a8df0ee8 46#include <mach/mx3fb.h>
3287abbd 47#include <mach/mxc_nand.h>
f2cb641f 48#include <mach/mmc.h>
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49#ifdef CONFIG_I2C_IMX
50#include <mach/i2c.h>
51#endif
ce8ffef0 52
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53#include "devices.h"
54
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55static unsigned int pcm037_pins[] = {
56 /* I2C */
57 MX31_PIN_CSPI2_MOSI__SCL,
58 MX31_PIN_CSPI2_MISO__SDA,
59 /* SDHC1 */
60 MX31_PIN_SD1_DATA3__SD1_DATA3,
61 MX31_PIN_SD1_DATA2__SD1_DATA2,
62 MX31_PIN_SD1_DATA1__SD1_DATA1,
63 MX31_PIN_SD1_DATA0__SD1_DATA0,
64 MX31_PIN_SD1_CLK__SD1_CLK,
65 MX31_PIN_SD1_CMD__SD1_CMD,
66 IOMUX_MODE(MX31_PIN_SCK6, IOMUX_CONFIG_GPIO), /* card detect */
67 IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), /* write protect */
68 /* SPI1 */
69 MX31_PIN_CSPI1_MOSI__MOSI,
70 MX31_PIN_CSPI1_MISO__MISO,
71 MX31_PIN_CSPI1_SCLK__SCLK,
72 MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
73 MX31_PIN_CSPI1_SS0__SS0,
74 MX31_PIN_CSPI1_SS1__SS1,
75 MX31_PIN_CSPI1_SS2__SS2,
76 /* UART1 */
77 MX31_PIN_CTS1__CTS1,
78 MX31_PIN_RTS1__RTS1,
79 MX31_PIN_TXD1__TXD1,
80 MX31_PIN_RXD1__RXD1,
81 /* UART2 */
82 MX31_PIN_TXD2__TXD2,
83 MX31_PIN_RXD2__RXD2,
84 MX31_PIN_CTS2__CTS2,
85 MX31_PIN_RTS2__RTS2,
86 /* UART3 */
87 MX31_PIN_CSPI3_MOSI__RXD3,
88 MX31_PIN_CSPI3_MISO__TXD3,
89 MX31_PIN_CSPI3_SCLK__RTS3,
90 MX31_PIN_CSPI3_SPI_RDY__CTS3,
91 /* LAN9217 irq pin */
92 IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
93 /* Onewire */
94 MX31_PIN_BATT_LINE__OWIRE,
95 /* Framebuffer */
96 MX31_PIN_LD0__LD0,
97 MX31_PIN_LD1__LD1,
98 MX31_PIN_LD2__LD2,
99 MX31_PIN_LD3__LD3,
100 MX31_PIN_LD4__LD4,
101 MX31_PIN_LD5__LD5,
102 MX31_PIN_LD6__LD6,
103 MX31_PIN_LD7__LD7,
104 MX31_PIN_LD8__LD8,
105 MX31_PIN_LD9__LD9,
106 MX31_PIN_LD10__LD10,
107 MX31_PIN_LD11__LD11,
108 MX31_PIN_LD12__LD12,
109 MX31_PIN_LD13__LD13,
110 MX31_PIN_LD14__LD14,
111 MX31_PIN_LD15__LD15,
112 MX31_PIN_LD16__LD16,
113 MX31_PIN_LD17__LD17,
114 MX31_PIN_VSYNC3__VSYNC3,
115 MX31_PIN_HSYNC__HSYNC,
116 MX31_PIN_FPSHIFT__FPSHIFT,
117 MX31_PIN_DRDY0__DRDY0,
118 MX31_PIN_D3_REV__D3_REV,
119 MX31_PIN_CONTRAST__CONTRAST,
120 MX31_PIN_D3_SPL__D3_SPL,
121 MX31_PIN_D3_CLS__D3_CLS,
122 MX31_PIN_LCS0__GPI03_23,
123};
124
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125static struct physmap_flash_data pcm037_flash_data = {
126 .width = 2,
127};
128
129static struct resource pcm037_flash_resource = {
130 .start = 0xa0000000,
131 .end = 0xa1ffffff,
132 .flags = IORESOURCE_MEM,
133};
134
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135static int usbotg_pins[] = {
136 MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
137 MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
138 MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
139 MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
140 MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
141 MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
142 MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
143 MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
144 MX31_PIN_USBOTG_CLK__USBOTG_CLK,
145 MX31_PIN_USBOTG_DIR__USBOTG_DIR,
146 MX31_PIN_USBOTG_NXT__USBOTG_NXT,
147 MX31_PIN_USBOTG_STP__USBOTG_STP,
148};
149
150/* USB OTG HS port */
151static int __init gpio_usbotg_hs_activate(void)
152{
153 int ret = mxc_iomux_setup_multiple_pins(usbotg_pins,
154 ARRAY_SIZE(usbotg_pins), "usbotg");
155
156 if (ret < 0) {
157 printk(KERN_ERR "Cannot set up OTG pins\n");
158 return ret;
159 }
160
161 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
162 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
163 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
164 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
165 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
166 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
167 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
168 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
169 mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
170 mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
171 mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
172 mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
173
174 return 0;
175}
176
177/* OTG config */
178static struct fsl_usb2_platform_data usb_pdata = {
179 .operating_mode = FSL_USB2_DR_DEVICE,
180 .phy_mode = FSL_USB2_PHY_ULPI,
181};
182
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183static struct platform_device pcm037_flash = {
184 .name = "physmap-flash",
185 .id = 0,
186 .dev = {
187 .platform_data = &pcm037_flash_data,
188 },
189 .resource = &pcm037_flash_resource,
190 .num_resources = 1,
191};
192
193static struct imxuart_platform_data uart_pdata = {
a9b06233 194 .flags = IMXUART_HAVE_RTSCTS,
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195};
196
4353318e 197static struct resource smsc911x_resources[] = {
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198 [0] = {
199 .start = CS1_BASE_ADDR + 0x300,
200 .end = CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
201 .flags = IORESOURCE_MEM,
202 },
203 [1] = {
204 .start = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
205 .end = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
4353318e 206 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
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207 },
208};
209
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210static struct smsc911x_platform_config smsc911x_info = {
211 .flags = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY |
212 SMSC911X_SAVE_MAC_ADDRESS,
213 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
214 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
215 .phy_interface = PHY_INTERFACE_MODE_MII,
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216};
217
218static struct platform_device pcm037_eth = {
4353318e 219 .name = "smsc911x",
ba54b958 220 .id = -1,
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221 .num_resources = ARRAY_SIZE(smsc911x_resources),
222 .resource = smsc911x_resources,
ba54b958 223 .dev = {
4353318e 224 .platform_data = &smsc911x_info,
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225 },
226};
227
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228static struct platdata_mtd_ram pcm038_sram_data = {
229 .bankwidth = 2,
230};
231
232static struct resource pcm038_sram_resource = {
233 .start = CS4_BASE_ADDR,
234 .end = CS4_BASE_ADDR + 512 * 1024 - 1,
235 .flags = IORESOURCE_MEM,
236};
237
238static struct platform_device pcm037_sram_device = {
239 .name = "mtd-ram",
240 .id = 0,
241 .dev = {
242 .platform_data = &pcm038_sram_data,
243 },
244 .num_resources = 1,
245 .resource = &pcm038_sram_resource,
246};
247
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248static struct mxc_nand_platform_data pcm037_nand_board_info = {
249 .width = 1,
250 .hw_ecc = 1,
251};
252
79206750 253#ifdef CONFIG_I2C_IMX
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254static struct imxi2c_platform_data pcm037_i2c_1_data = {
255 .bitrate = 100000,
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256};
257
258static struct at24_platform_data board_eeprom = {
259 .byte_len = 4096,
260 .page_size = 32,
261 .flags = AT24_FLAG_ADDR16,
262};
263
264static struct i2c_board_info pcm037_i2c_devices[] = {
265 {
266 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
267 .platform_data = &board_eeprom,
268 }, {
269 I2C_BOARD_INFO("rtc-pcf8563", 0x51),
270 .type = "pcf8563",
271 }
272};
273#endif
274
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275/* Not connected by default */
276#ifdef PCM970_SDHC_RW_SWITCH
277static int pcm970_sdhc1_get_ro(struct device *dev)
f2cb641f 278{
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279 return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_SFS6));
280}
281#endif
282
283static int pcm970_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
284 void *data)
285{
286 int ret;
287 int gpio_det, gpio_wp;
288
289 gpio_det = IOMUX_TO_GPIO(MX31_PIN_SCK6);
290 gpio_wp = IOMUX_TO_GPIO(MX31_PIN_SFS6);
291
292 gpio_direction_input(gpio_det);
293 gpio_direction_input(gpio_wp);
294
295 ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), detect_irq,
296 IRQF_DISABLED | IRQF_TRIGGER_FALLING,
297 "sdhc-detect", data);
298 return ret;
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299}
300
301static void pcm970_sdhc1_exit(struct device *dev, void *data)
302{
dddd4a49 303 free_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), data);
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304}
305
f2cb641f 306static struct imxmmc_platform_data sdhc_pdata = {
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307#ifdef PCM970_SDHC_RW_SWITCH
308 .get_ro = pcm970_sdhc1_get_ro,
309#endif
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310 .init = pcm970_sdhc1_init,
311 .exit = pcm970_sdhc1_exit,
312};
313
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314static struct platform_device *devices[] __initdata = {
315 &pcm037_flash,
ba54b958 316 &pcm037_eth,
3dad21a9 317 &pcm037_sram_device,
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318};
319
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320static struct ipu_platform_data mx3_ipu_data = {
321 .irq_base = MXC_IPU_IRQ_START,
322};
323
324static const struct fb_videomode fb_modedb[] = {
325 {
326 /* 240x320 @ 60 Hz Sharp */
327 .name = "Sharp-LQ035Q7DH06-QVGA",
328 .refresh = 60,
329 .xres = 240,
330 .yres = 320,
331 .pixclock = 185925,
332 .left_margin = 9,
333 .right_margin = 16,
334 .upper_margin = 7,
335 .lower_margin = 9,
336 .hsync_len = 1,
337 .vsync_len = 1,
338 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE |
339 FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
340 .vmode = FB_VMODE_NONINTERLACED,
341 .flag = 0,
342 }, {
343 /* 240x320 @ 60 Hz */
344 .name = "TX090",
345 .refresh = 60,
346 .xres = 240,
347 .yres = 320,
348 .pixclock = 38255,
349 .left_margin = 144,
350 .right_margin = 0,
351 .upper_margin = 7,
352 .lower_margin = 40,
353 .hsync_len = 96,
354 .vsync_len = 1,
355 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
356 .vmode = FB_VMODE_NONINTERLACED,
357 .flag = 0,
358 },
359};
360
361static struct mx3fb_platform_data mx3fb_pdata = {
362 .dma_dev = &mx3_ipu.dev,
363 .name = "Sharp-LQ035Q7DH06-QVGA",
364 .mode = fb_modedb,
365 .num_modes = ARRAY_SIZE(fb_modedb),
366};
367
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368/*
369 * Board specific initialization.
370 */
371static void __init mxc_board_init(void)
372{
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373 mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
374 "pcm037");
375
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376 platform_add_devices(devices, ARRAY_SIZE(devices));
377
5cf09421 378 mxc_register_device(&mxc_uart_device0, &uart_pdata);
13e9f612 379 mxc_register_device(&mxc_uart_device1, &uart_pdata);
5cf09421 380 mxc_register_device(&mxc_uart_device2, &uart_pdata);
d517cab1 381
d517cab1 382 mxc_register_device(&mxc_w1_master_device, NULL);
ba54b958 383
f8e5143b 384 /* LAN9217 IRQ pin */
01ac7d58 385 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
3287abbd 386
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387#ifdef CONFIG_I2C_IMX
388 i2c_register_board_info(1, pcm037_i2c_devices,
389 ARRAY_SIZE(pcm037_i2c_devices));
390
391 mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data);
392#endif
3287abbd 393 mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
f2cb641f 394 mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
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395 mxc_register_device(&mx3_ipu, &mx3_ipu_data);
396 mxc_register_device(&mx3_fb, &mx3fb_pdata);
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397 if (!gpio_usbotg_hs_activate())
398 mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
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399}
400
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401static void __init pcm037_timer_init(void)
402{
30c730f8 403 mx31_clocks_init(26000000);
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404}
405
406struct sys_timer pcm037_timer = {
407 .init = pcm037_timer_init,
408};
409
410MACHINE_START(PCM037, "Phytec Phycore pcm037")
411 /* Maintainer: Pengutronix */
412 .phys_io = AIPS1_BASE_ADDR,
413 .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
414 .boot_params = PHYS_OFFSET + 0x100,
cd4a05f9 415 .map_io = mx31_map_io,
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416 .init_irq = mxc_init_irq,
417 .init_machine = mxc_board_init,
418 .timer = &pcm037_timer,
419MACHINE_END
420
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