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65b1aa13 DM |
1 | /* |
2 | * LILLY-1131 module support | |
3 | * | |
4 | * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> | |
5 | * | |
6 | * based on code for other MX31 boards, | |
7 | * | |
8 | * Copyright 2005-2007 Freescale Semiconductor | |
9 | * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> | |
10 | * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
65b1aa13 DM |
21 | */ |
22 | ||
23 | #include <linux/types.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/clk.h> | |
066fb847 | 26 | #include <linux/gpio.h> |
cbaa6ca1 DM |
27 | #include <linux/platform_device.h> |
28 | #include <linux/interrupt.h> | |
29 | #include <linux/smsc911x.h> | |
38160e0b | 30 | #include <linux/mtd/physmap.h> |
2cc32683 DM |
31 | #include <linux/spi/spi.h> |
32 | #include <linux/mfd/mc13783.h> | |
066fb847 DM |
33 | #include <linux/usb/otg.h> |
34 | #include <linux/usb/ulpi.h> | |
65b1aa13 DM |
35 | |
36 | #include <asm/mach-types.h> | |
37 | #include <asm/mach/arch.h> | |
38 | #include <asm/mach/time.h> | |
39 | #include <asm/mach/map.h> | |
40 | ||
41 | #include <mach/hardware.h> | |
42 | #include <mach/common.h> | |
43 | #include <mach/iomux-mx3.h> | |
44 | #include <mach/board-mx31lilly.h> | |
066fb847 DM |
45 | #include <mach/mxc_ehci.h> |
46 | #include <mach/ulpi.h> | |
65b1aa13 | 47 | |
06606ff1 | 48 | #include "devices-imx31.h" |
65b1aa13 DM |
49 | #include "devices.h" |
50 | ||
51 | /* | |
52 | * This file contains module-specific initialization routines for LILLY-1131. | |
53 | * Initialization of peripherals found on the baseboard is implemented in the | |
54 | * appropriate baseboard support code. | |
55 | */ | |
56 | ||
cbaa6ca1 DM |
57 | /* SMSC ethernet support */ |
58 | ||
59 | static struct resource smsc91x_resources[] = { | |
60 | { | |
f568dd7f UKK |
61 | .start = MX31_CS4_BASE_ADDR, |
62 | .end = MX31_CS4_BASE_ADDR + 0xffff, | |
cbaa6ca1 DM |
63 | .flags = IORESOURCE_MEM, |
64 | }, | |
65 | { | |
66 | .start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0), | |
67 | .end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0), | |
68 | .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING, | |
69 | } | |
70 | }; | |
71 | ||
72 | static struct smsc911x_platform_config smsc911x_config = { | |
73 | .phy_interface = PHY_INTERFACE_MODE_MII, | |
74 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | |
75 | .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, | |
76 | .flags = SMSC911X_USE_32BIT | | |
77 | SMSC911X_SAVE_MAC_ADDRESS | | |
78 | SMSC911X_FORCE_INTERNAL_PHY, | |
79 | }; | |
80 | ||
81 | static struct platform_device smsc91x_device = { | |
82 | .name = "smsc911x", | |
83 | .id = -1, | |
84 | .num_resources = ARRAY_SIZE(smsc91x_resources), | |
85 | .resource = smsc91x_resources, | |
86 | .dev = { | |
87 | .platform_data = &smsc911x_config, | |
88 | } | |
89 | }; | |
90 | ||
38160e0b DM |
91 | /* NOR flash */ |
92 | static struct physmap_flash_data nor_flash_data = { | |
93 | .width = 2, | |
94 | }; | |
95 | ||
96 | static struct resource nor_flash_resource = { | |
97 | .start = 0xa0000000, | |
98 | .end = 0xa1ffffff, | |
99 | .flags = IORESOURCE_MEM, | |
100 | }; | |
101 | ||
102 | static struct platform_device physmap_flash_device = { | |
103 | .name = "physmap-flash", | |
104 | .id = 0, | |
105 | .dev = { | |
106 | .platform_data = &nor_flash_data, | |
107 | }, | |
108 | .resource = &nor_flash_resource, | |
109 | .num_resources = 1, | |
110 | }; | |
111 | ||
066fb847 DM |
112 | /* USB */ |
113 | ||
4d5d8590 DM |
114 | #if defined(CONFIG_USB_ULPI) |
115 | ||
066fb847 DM |
116 | #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ |
117 | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) | |
118 | ||
119 | static int usbotg_init(struct platform_device *pdev) | |
120 | { | |
121 | unsigned int pins[] = { | |
122 | MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, | |
123 | MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, | |
124 | MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, | |
125 | MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, | |
126 | MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, | |
127 | MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, | |
128 | MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, | |
129 | MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, | |
130 | MX31_PIN_USBOTG_CLK__USBOTG_CLK, | |
131 | MX31_PIN_USBOTG_DIR__USBOTG_DIR, | |
132 | MX31_PIN_USBOTG_NXT__USBOTG_NXT, | |
133 | MX31_PIN_USBOTG_STP__USBOTG_STP, | |
134 | }; | |
135 | ||
136 | mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB OTG"); | |
137 | ||
138 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG); | |
139 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG); | |
140 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG); | |
141 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG); | |
142 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG); | |
143 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG); | |
144 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG); | |
145 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG); | |
146 | mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG); | |
147 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG); | |
148 | mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG); | |
149 | mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG); | |
150 | ||
151 | mxc_iomux_set_gpr(MUX_PGP_USB_4WIRE, true); | |
152 | mxc_iomux_set_gpr(MUX_PGP_USB_COMMON, true); | |
153 | ||
154 | /* chip select */ | |
155 | mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE2, IOMUX_CONFIG_GPIO), | |
156 | "USBOTG_CS"); | |
157 | gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE2), "USBH1 CS"); | |
158 | gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE2), 0); | |
159 | ||
160 | return 0; | |
161 | } | |
162 | ||
163 | static int usbh1_init(struct platform_device *pdev) | |
164 | { | |
165 | int pins[] = { | |
166 | MX31_PIN_CSPI1_MOSI__USBH1_RXDM, | |
167 | MX31_PIN_CSPI1_MISO__USBH1_RXDP, | |
168 | MX31_PIN_CSPI1_SS0__USBH1_TXDM, | |
169 | MX31_PIN_CSPI1_SS1__USBH1_TXDP, | |
170 | MX31_PIN_CSPI1_SS2__USBH1_RCV, | |
171 | MX31_PIN_CSPI1_SCLK__USBH1_OEB, | |
172 | MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, | |
173 | }; | |
174 | ||
175 | mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H1"); | |
176 | ||
177 | mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG); | |
178 | mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG); | |
179 | mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG); | |
180 | mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG); | |
181 | mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG); | |
182 | mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG); | |
183 | mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG); | |
184 | ||
185 | mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true); | |
186 | ||
187 | return 0; | |
188 | } | |
189 | ||
190 | static int usbh2_init(struct platform_device *pdev) | |
191 | { | |
192 | int pins[] = { | |
193 | MX31_PIN_USBH2_DATA0__USBH2_DATA0, | |
194 | MX31_PIN_USBH2_DATA1__USBH2_DATA1, | |
195 | MX31_PIN_USBH2_CLK__USBH2_CLK, | |
196 | MX31_PIN_USBH2_DIR__USBH2_DIR, | |
197 | MX31_PIN_USBH2_NXT__USBH2_NXT, | |
198 | MX31_PIN_USBH2_STP__USBH2_STP, | |
199 | }; | |
200 | ||
201 | mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H2"); | |
202 | ||
203 | mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG); | |
204 | mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG); | |
205 | mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG); | |
206 | mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG); | |
207 | mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG); | |
208 | mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG); | |
209 | mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG); | |
210 | mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG); | |
211 | mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG); | |
212 | mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG); | |
213 | mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG); | |
214 | mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG); | |
215 | ||
216 | mxc_iomux_set_gpr(MUX_PGP_UH2, true); | |
217 | ||
218 | /* chip select */ | |
219 | mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1, IOMUX_CONFIG_GPIO), | |
220 | "USBH2_CS"); | |
221 | gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), "USBH2 CS"); | |
222 | gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), 0); | |
223 | ||
224 | return 0; | |
225 | } | |
226 | ||
227 | static struct mxc_usbh_platform_data usbotg_pdata = { | |
228 | .init = usbotg_init, | |
229 | .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, | |
230 | .flags = MXC_EHCI_POWER_PINS_ENABLED, | |
231 | }; | |
232 | ||
233 | static struct mxc_usbh_platform_data usbh1_pdata = { | |
234 | .init = usbh1_init, | |
235 | .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL, | |
236 | .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_SINGLE_UNI, | |
237 | }; | |
238 | ||
239 | static struct mxc_usbh_platform_data usbh2_pdata = { | |
240 | .init = usbh2_init, | |
241 | .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, | |
242 | .flags = MXC_EHCI_POWER_PINS_ENABLED, | |
243 | }; | |
244 | ||
4d5d8590 DM |
245 | static void lilly1131_usb_init(void) |
246 | { | |
247 | usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, | |
13dd0c97 | 248 | ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); |
4d5d8590 | 249 | usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, |
13dd0c97 | 250 | ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); |
4d5d8590 DM |
251 | |
252 | mxc_register_device(&mxc_usbh1, &usbh1_pdata); | |
253 | mxc_register_device(&mxc_usbh2, &usbh2_pdata); | |
254 | } | |
255 | ||
256 | #else | |
257 | static inline void lilly1131_usb_init(void) {} | |
258 | #endif /* CONFIG_USB_ULPI */ | |
cbaa6ca1 | 259 | |
2cc32683 DM |
260 | /* SPI */ |
261 | ||
3ea2e1a4 DM |
262 | static int spi_internal_chipselect[] = { |
263 | MXC_SPI_CS(0), | |
264 | MXC_SPI_CS(1), | |
265 | MXC_SPI_CS(2), | |
266 | }; | |
267 | ||
06606ff1 | 268 | static const struct spi_imx_master spi0_pdata __initconst = { |
3ea2e1a4 DM |
269 | .chipselect = spi_internal_chipselect, |
270 | .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), | |
271 | }; | |
272 | ||
06606ff1 | 273 | static const struct spi_imx_master spi1_pdata __initconst = { |
3ea2e1a4 DM |
274 | .chipselect = spi_internal_chipselect, |
275 | .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), | |
276 | }; | |
277 | ||
2cc32683 DM |
278 | static struct mc13783_platform_data mc13783_pdata __initdata = { |
279 | .flags = MC13783_USE_RTC | MC13783_USE_TOUCHSCREEN, | |
280 | }; | |
281 | ||
282 | static struct spi_board_info mc13783_dev __initdata = { | |
283 | .modalias = "mc13783", | |
284 | .max_speed_hz = 1000000, | |
285 | .bus_num = 1, | |
286 | .chip_select = 0, | |
287 | .platform_data = &mc13783_pdata, | |
21b07344 | 288 | .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), |
2cc32683 DM |
289 | }; |
290 | ||
4d5d8590 DM |
291 | static struct platform_device *devices[] __initdata = { |
292 | &smsc91x_device, | |
293 | &physmap_flash_device, | |
294 | }; | |
295 | ||
65b1aa13 DM |
296 | static int mx31lilly_baseboard; |
297 | core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444); | |
298 | ||
299 | static void __init mx31lilly_board_init(void) | |
300 | { | |
301 | switch (mx31lilly_baseboard) { | |
302 | case MX31LILLY_NOBOARD: | |
303 | break; | |
1bc34f79 DM |
304 | case MX31LILLY_DB: |
305 | mx31lilly_db_init(); | |
306 | break; | |
65b1aa13 DM |
307 | default: |
308 | printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n", | |
309 | mx31lilly_baseboard); | |
310 | } | |
cbaa6ca1 DM |
311 | |
312 | mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS"); | |
313 | ||
3ea2e1a4 DM |
314 | /* SPI */ |
315 | mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SCLK__SCLK, "SPI1_CLK"); | |
316 | mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MOSI__MOSI, "SPI1_TX"); | |
317 | mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MISO__MISO, "SPI1_RX"); | |
318 | mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, "SPI1_RDY"); | |
319 | mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS0__SS0, "SPI1_SS0"); | |
320 | mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS1__SS1, "SPI1_SS1"); | |
321 | mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS2__SS2, "SPI1_SS2"); | |
322 | ||
323 | mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SCLK__SCLK, "SPI2_CLK"); | |
324 | mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__MOSI, "SPI2_TX"); | |
325 | mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__MISO, "SPI2_RX"); | |
326 | mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, "SPI2_RDY"); | |
327 | mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS0__SS0, "SPI2_SS0"); | |
328 | mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS1__SS1, "SPI2_SS1"); | |
329 | mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS2__SS2, "SPI2_SS2"); | |
330 | ||
06606ff1 UKK |
331 | imx31_add_spi_imx0(&spi0_pdata); |
332 | imx31_add_spi_imx1(&spi1_pdata); | |
2cc32683 | 333 | spi_register_board_info(&mc13783_dev, 1); |
3ea2e1a4 | 334 | |
cbaa6ca1 | 335 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
066fb847 DM |
336 | |
337 | /* USB */ | |
4d5d8590 | 338 | lilly1131_usb_init(); |
65b1aa13 DM |
339 | } |
340 | ||
341 | static void __init mx31lilly_timer_init(void) | |
342 | { | |
343 | mx31_clocks_init(26000000); | |
344 | } | |
345 | ||
346 | static struct sys_timer mx31lilly_timer = { | |
347 | .init = mx31lilly_timer_init, | |
348 | }; | |
349 | ||
350 | MACHINE_START(LILLY1131, "INCO startec LILLY-1131") | |
34101237 | 351 | .boot_params = MX3x_PHYS_OFFSET + 0x100, |
65b1aa13 | 352 | .map_io = mx31_map_io, |
c5aa0ad0 | 353 | .init_irq = mx31_init_irq, |
65b1aa13 DM |
354 | .init_machine = mx31lilly_board_init, |
355 | .timer = &mx31lilly_timer, | |
356 | MACHINE_END | |
357 |