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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> |
4bd597b6 | 27 | #include <linux/delay.h> |
cbaa6ca1 DM |
28 | #include <linux/platform_device.h> |
29 | #include <linux/interrupt.h> | |
9e907416 | 30 | #include <linux/moduleparam.h> |
cbaa6ca1 | 31 | #include <linux/smsc911x.h> |
38160e0b | 32 | #include <linux/mtd/physmap.h> |
2cc32683 DM |
33 | #include <linux/spi/spi.h> |
34 | #include <linux/mfd/mc13783.h> | |
066fb847 DM |
35 | #include <linux/usb/otg.h> |
36 | #include <linux/usb/ulpi.h> | |
954c59ac FE |
37 | #include <linux/regulator/machine.h> |
38 | #include <linux/regulator/fixed.h> | |
65b1aa13 DM |
39 | |
40 | #include <asm/mach-types.h> | |
41 | #include <asm/mach/arch.h> | |
42 | #include <asm/mach/time.h> | |
43 | #include <asm/mach/map.h> | |
44 | ||
45 | #include <mach/hardware.h> | |
65b1aa13 | 46 | |
3ed0bcb4 | 47 | #include "board-mx31lilly.h" |
e3372474 | 48 | #include "common.h" |
06606ff1 | 49 | #include "devices-imx31.h" |
267dd34c | 50 | #include "iomux-mx3.h" |
39ef6340 | 51 | #include "ulpi.h" |
65b1aa13 DM |
52 | |
53 | /* | |
54 | * This file contains module-specific initialization routines for LILLY-1131. | |
55 | * Initialization of peripherals found on the baseboard is implemented in the | |
56 | * appropriate baseboard support code. | |
57 | */ | |
58 | ||
cbaa6ca1 DM |
59 | /* SMSC ethernet support */ |
60 | ||
61 | static struct resource smsc91x_resources[] = { | |
62 | { | |
f568dd7f UKK |
63 | .start = MX31_CS4_BASE_ADDR, |
64 | .end = MX31_CS4_BASE_ADDR + 0xffff, | |
cbaa6ca1 DM |
65 | .flags = IORESOURCE_MEM, |
66 | }, | |
67 | { | |
ed175343 | 68 | /* irq number is run-time assigned */ |
cbaa6ca1 DM |
69 | .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING, |
70 | } | |
71 | }; | |
72 | ||
73 | static struct smsc911x_platform_config smsc911x_config = { | |
74 | .phy_interface = PHY_INTERFACE_MODE_MII, | |
75 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | |
76 | .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, | |
77 | .flags = SMSC911X_USE_32BIT | | |
78 | SMSC911X_SAVE_MAC_ADDRESS | | |
79 | SMSC911X_FORCE_INTERNAL_PHY, | |
80 | }; | |
81 | ||
82 | static struct platform_device smsc91x_device = { | |
83 | .name = "smsc911x", | |
84 | .id = -1, | |
85 | .num_resources = ARRAY_SIZE(smsc91x_resources), | |
86 | .resource = smsc91x_resources, | |
87 | .dev = { | |
88 | .platform_data = &smsc911x_config, | |
89 | } | |
90 | }; | |
91 | ||
38160e0b DM |
92 | /* NOR flash */ |
93 | static struct physmap_flash_data nor_flash_data = { | |
94 | .width = 2, | |
95 | }; | |
96 | ||
97 | static struct resource nor_flash_resource = { | |
98 | .start = 0xa0000000, | |
99 | .end = 0xa1ffffff, | |
100 | .flags = IORESOURCE_MEM, | |
101 | }; | |
102 | ||
103 | static struct platform_device physmap_flash_device = { | |
104 | .name = "physmap-flash", | |
105 | .id = 0, | |
106 | .dev = { | |
107 | .platform_data = &nor_flash_data, | |
108 | }, | |
109 | .resource = &nor_flash_resource, | |
110 | .num_resources = 1, | |
111 | }; | |
112 | ||
066fb847 DM |
113 | /* USB */ |
114 | ||
115 | #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ | |
116 | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) | |
117 | ||
066fb847 DM |
118 | static int usbh1_init(struct platform_device *pdev) |
119 | { | |
120 | int pins[] = { | |
121 | MX31_PIN_CSPI1_MOSI__USBH1_RXDM, | |
122 | MX31_PIN_CSPI1_MISO__USBH1_RXDP, | |
123 | MX31_PIN_CSPI1_SS0__USBH1_TXDM, | |
124 | MX31_PIN_CSPI1_SS1__USBH1_TXDP, | |
125 | MX31_PIN_CSPI1_SS2__USBH1_RCV, | |
126 | MX31_PIN_CSPI1_SCLK__USBH1_OEB, | |
127 | MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, | |
128 | }; | |
129 | ||
130 | mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H1"); | |
131 | ||
132 | mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG); | |
133 | mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG); | |
134 | mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG); | |
135 | mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG); | |
136 | mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG); | |
137 | mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG); | |
138 | mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG); | |
139 | ||
140 | mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true); | |
141 | ||
4bd597b6 SH |
142 | mdelay(10); |
143 | ||
144 | return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED | | |
145 | MXC_EHCI_INTERFACE_SINGLE_UNI); | |
066fb847 DM |
146 | } |
147 | ||
148 | static int usbh2_init(struct platform_device *pdev) | |
149 | { | |
150 | int pins[] = { | |
151 | MX31_PIN_USBH2_DATA0__USBH2_DATA0, | |
152 | MX31_PIN_USBH2_DATA1__USBH2_DATA1, | |
153 | MX31_PIN_USBH2_CLK__USBH2_CLK, | |
154 | MX31_PIN_USBH2_DIR__USBH2_DIR, | |
155 | MX31_PIN_USBH2_NXT__USBH2_NXT, | |
156 | MX31_PIN_USBH2_STP__USBH2_STP, | |
157 | }; | |
158 | ||
159 | mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H2"); | |
160 | ||
161 | mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG); | |
162 | mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG); | |
163 | mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG); | |
164 | mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG); | |
165 | mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG); | |
166 | mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG); | |
167 | mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG); | |
168 | mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG); | |
169 | mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG); | |
170 | mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG); | |
171 | mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG); | |
172 | mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG); | |
173 | ||
174 | mxc_iomux_set_gpr(MUX_PGP_UH2, true); | |
175 | ||
176 | /* chip select */ | |
177 | mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1, IOMUX_CONFIG_GPIO), | |
178 | "USBH2_CS"); | |
179 | gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), "USBH2 CS"); | |
180 | gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), 0); | |
181 | ||
4bd597b6 SH |
182 | mdelay(10); |
183 | ||
184 | return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED); | |
066fb847 DM |
185 | } |
186 | ||
2d58de28 | 187 | static const struct mxc_usbh_platform_data usbh1_pdata __initconst = { |
066fb847 DM |
188 | .init = usbh1_init, |
189 | .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL, | |
066fb847 DM |
190 | }; |
191 | ||
2d58de28 | 192 | static struct mxc_usbh_platform_data usbh2_pdata __initdata = { |
066fb847 DM |
193 | .init = usbh2_init, |
194 | .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, | |
066fb847 DM |
195 | }; |
196 | ||
f07c7d67 | 197 | static void __init lilly1131_usb_init(void) |
4d5d8590 | 198 | { |
2d58de28 | 199 | imx31_add_mxc_ehci_hs(1, &usbh1_pdata); |
4d5d8590 | 200 | |
48f6b099 SH |
201 | usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | |
202 | ULPI_OTG_DRVVBUS_EXT); | |
203 | if (usbh2_pdata.otg) | |
204 | imx31_add_mxc_ehci_hs(2, &usbh2_pdata); | |
205 | } | |
cbaa6ca1 | 206 | |
2cc32683 DM |
207 | /* SPI */ |
208 | ||
3ea2e1a4 DM |
209 | static int spi_internal_chipselect[] = { |
210 | MXC_SPI_CS(0), | |
211 | MXC_SPI_CS(1), | |
212 | MXC_SPI_CS(2), | |
213 | }; | |
214 | ||
06606ff1 | 215 | static const struct spi_imx_master spi0_pdata __initconst = { |
3ea2e1a4 DM |
216 | .chipselect = spi_internal_chipselect, |
217 | .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), | |
218 | }; | |
219 | ||
06606ff1 | 220 | static const struct spi_imx_master spi1_pdata __initconst = { |
3ea2e1a4 DM |
221 | .chipselect = spi_internal_chipselect, |
222 | .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), | |
223 | }; | |
224 | ||
5836372e DJ |
225 | static struct mc13xxx_platform_data mc13783_pdata __initdata = { |
226 | .flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN, | |
2cc32683 DM |
227 | }; |
228 | ||
229 | static struct spi_board_info mc13783_dev __initdata = { | |
230 | .modalias = "mc13783", | |
231 | .max_speed_hz = 1000000, | |
232 | .bus_num = 1, | |
233 | .chip_select = 0, | |
234 | .platform_data = &mc13783_pdata, | |
ed175343 | 235 | /* irq number is run-time assigned */ |
2cc32683 DM |
236 | }; |
237 | ||
4d5d8590 DM |
238 | static struct platform_device *devices[] __initdata = { |
239 | &smsc91x_device, | |
240 | &physmap_flash_device, | |
241 | }; | |
242 | ||
65b1aa13 DM |
243 | static int mx31lilly_baseboard; |
244 | core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444); | |
245 | ||
954c59ac FE |
246 | static struct regulator_consumer_supply dummy_supplies[] = { |
247 | REGULATOR_SUPPLY("vdd33a", "smsc911x"), | |
248 | REGULATOR_SUPPLY("vddvario", "smsc911x"), | |
249 | }; | |
250 | ||
65b1aa13 DM |
251 | static void __init mx31lilly_board_init(void) |
252 | { | |
b78d8e59 SG |
253 | imx31_soc_init(); |
254 | ||
65b1aa13 DM |
255 | switch (mx31lilly_baseboard) { |
256 | case MX31LILLY_NOBOARD: | |
257 | break; | |
1bc34f79 DM |
258 | case MX31LILLY_DB: |
259 | mx31lilly_db_init(); | |
260 | break; | |
65b1aa13 DM |
261 | default: |
262 | printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n", | |
263 | mx31lilly_baseboard); | |
264 | } | |
cbaa6ca1 DM |
265 | |
266 | mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS"); | |
267 | ||
3ea2e1a4 DM |
268 | /* SPI */ |
269 | mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SCLK__SCLK, "SPI1_CLK"); | |
270 | mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MOSI__MOSI, "SPI1_TX"); | |
271 | mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MISO__MISO, "SPI1_RX"); | |
272 | mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, "SPI1_RDY"); | |
273 | mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS0__SS0, "SPI1_SS0"); | |
274 | mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS1__SS1, "SPI1_SS1"); | |
275 | mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS2__SS2, "SPI1_SS2"); | |
276 | ||
277 | mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SCLK__SCLK, "SPI2_CLK"); | |
278 | mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__MOSI, "SPI2_TX"); | |
279 | mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__MISO, "SPI2_RX"); | |
280 | mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, "SPI2_RDY"); | |
281 | mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS0__SS0, "SPI2_SS0"); | |
282 | mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS1__SS1, "SPI2_SS1"); | |
283 | mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS2__SS2, "SPI2_SS2"); | |
284 | ||
06606ff1 UKK |
285 | imx31_add_spi_imx0(&spi0_pdata); |
286 | imx31_add_spi_imx1(&spi1_pdata); | |
ed175343 | 287 | mc13783_dev.irq = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)); |
2cc32683 | 288 | spi_register_board_info(&mc13783_dev, 1); |
3ea2e1a4 | 289 | |
954c59ac FE |
290 | regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); |
291 | ||
ed175343 SG |
292 | smsc91x_resources[1].start = |
293 | gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)); | |
294 | smsc91x_resources[1].end = | |
295 | gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)); | |
cbaa6ca1 | 296 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
066fb847 DM |
297 | |
298 | /* USB */ | |
4d5d8590 | 299 | lilly1131_usb_init(); |
65b1aa13 DM |
300 | } |
301 | ||
302 | static void __init mx31lilly_timer_init(void) | |
303 | { | |
304 | mx31_clocks_init(26000000); | |
305 | } | |
306 | ||
307 | static struct sys_timer mx31lilly_timer = { | |
308 | .init = mx31lilly_timer_init, | |
309 | }; | |
310 | ||
311 | MACHINE_START(LILLY1131, "INCO startec LILLY-1131") | |
dc8f1907 | 312 | .atag_offset = 0x100, |
97976e22 UKK |
313 | .map_io = mx31_map_io, |
314 | .init_early = imx31_init_early, | |
315 | .init_irq = mx31_init_irq, | |
ffa2ea3f | 316 | .handle_irq = imx31_handle_irq, |
97976e22 UKK |
317 | .timer = &mx31lilly_timer, |
318 | .init_machine = mx31lilly_board_init, | |
65ea7884 | 319 | .restart = mxc_restart, |
65b1aa13 | 320 | MACHINE_END |