~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/arm/mach-imx/mach-mx31lilly.c

Version: ~ [ linux-5.10-rc6 ] ~ [ linux-5.9.12 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.81 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.161 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.210 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.247 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.247 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  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.
 21  */
 22 
 23 #include <linux/types.h>
 24 #include <linux/init.h>
 25 #include <linux/clk.h>
 26 #include <linux/gpio.h>
 27 #include <linux/delay.h>
 28 #include <linux/platform_device.h>
 29 #include <linux/interrupt.h>
 30 #include <linux/moduleparam.h>
 31 #include <linux/smsc911x.h>
 32 #include <linux/mtd/physmap.h>
 33 #include <linux/spi/spi.h>
 34 #include <linux/mfd/mc13783.h>
 35 #include <linux/usb/otg.h>
 36 #include <linux/usb/ulpi.h>
 37 #include <linux/regulator/machine.h>
 38 #include <linux/regulator/fixed.h>
 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 "board-mx31lilly.h"
 46 #include "common.h"
 47 #include "devices-imx31.h"
 48 #include "ehci.h"
 49 #include "hardware.h"
 50 #include "iomux-mx3.h"
 51 #include "ulpi.h"
 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 
 59 /* SMSC ethernet support */
 60 
 61 static struct resource smsc91x_resources[] = {
 62         {
 63                 .start  = MX31_CS4_BASE_ADDR,
 64                 .end    = MX31_CS4_BASE_ADDR + 0xffff,
 65                 .flags  = IORESOURCE_MEM,
 66         },
 67         {
 68                 /* irq number is run-time assigned */
 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 
 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 
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 
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 
142         mdelay(10);
143 
144         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
145                         MXC_EHCI_INTERFACE_SINGLE_UNI);
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 
182         mdelay(10);
183 
184         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
185 }
186 
187 static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
188         .init   = usbh1_init,
189         .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
190 };
191 
192 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
193         .init   = usbh2_init,
194         .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
195 };
196 
197 static void __init lilly1131_usb_init(void)
198 {
199         imx31_add_mxc_ehci_hs(1, &usbh1_pdata);
200 
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 }
206 
207 /* SPI */
208 
209 static int spi_internal_chipselect[] = {
210         MXC_SPI_CS(0),
211         MXC_SPI_CS(1),
212         MXC_SPI_CS(2),
213 };
214 
215 static const struct spi_imx_master spi0_pdata __initconst = {
216         .chipselect = spi_internal_chipselect,
217         .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
218 };
219 
220 static const struct spi_imx_master spi1_pdata __initconst = {
221         .chipselect = spi_internal_chipselect,
222         .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
223 };
224 
225 static struct mc13xxx_platform_data mc13783_pdata __initdata = {
226         .flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN,
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,
235         /* irq number is run-time assigned */
236 };
237 
238 static struct platform_device *devices[] __initdata = {
239         &smsc91x_device,
240         &physmap_flash_device,
241 };
242 
243 static int mx31lilly_baseboard;
244 core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
245 
246 static struct regulator_consumer_supply dummy_supplies[] = {
247         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
248         REGULATOR_SUPPLY("vddvario", "smsc911x"),
249 };
250 
251 static void __init mx31lilly_board_init(void)
252 {
253         imx31_soc_init();
254 
255         switch (mx31lilly_baseboard) {
256         case MX31LILLY_NOBOARD:
257                 break;
258         case MX31LILLY_DB:
259                 mx31lilly_db_init();
260                 break;
261         default:
262                 printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n",
263                         mx31lilly_baseboard);
264         }
265 
266         mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");
267 
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 
285         imx31_add_spi_imx0(&spi0_pdata);
286         imx31_add_spi_imx1(&spi1_pdata);
287         mc13783_dev.irq = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
288         spi_register_board_info(&mc13783_dev, 1);
289 
290         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
291 
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));
296         platform_add_devices(devices, ARRAY_SIZE(devices));
297 
298         /* USB */
299         lilly1131_usb_init();
300 }
301 
302 static void __init mx31lilly_timer_init(void)
303 {
304         mx31_clocks_init(26000000);
305 }
306 
307 MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
308         .atag_offset = 0x100,
309         .map_io = mx31_map_io,
310         .init_early = imx31_init_early,
311         .init_irq = mx31_init_irq,
312         .init_time      = mx31lilly_timer_init,
313         .init_machine = mx31lilly_board_init,
314         .restart        = mxc_restart,
315 MACHINE_END
316 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp