2 * LILLY-1131 module support
4 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
6 * based on code for other MX31 boards,
8 * Copyright 2005-2007 Freescale Semiconductor
9 * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
10 * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
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.
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.
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>
40 #include <asm/mach-types.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/time.h>
43 #include <asm/mach/map.h>
45 #include "board-mx31lilly.h"
47 #include "devices-imx31.h"
49 #include "iomux-mx3.h"
53 * This file contains module-specific initialization routines for LILLY-1131.
54 * Initialization of peripherals found on the baseboard is implemented in the
55 * appropriate baseboard support code.
58 /* SMSC ethernet support */
60 static struct resource smsc91x_resources
[] = {
62 .start
= MX31_CS4_BASE_ADDR
,
63 .end
= MX31_CS4_BASE_ADDR
+ 0xffff,
64 .flags
= IORESOURCE_MEM
,
67 /* irq number is run-time assigned */
68 .flags
= IORESOURCE_IRQ
| IRQF_TRIGGER_FALLING
,
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
,
81 static struct platform_device smsc91x_device
= {
84 .num_resources
= ARRAY_SIZE(smsc91x_resources
),
85 .resource
= smsc91x_resources
,
87 .platform_data
= &smsc911x_config
,
92 static struct physmap_flash_data nor_flash_data
= {
96 static struct resource nor_flash_resource
= {
99 .flags
= IORESOURCE_MEM
,
102 static struct platform_device physmap_flash_device
= {
103 .name
= "physmap-flash",
106 .platform_data
= &nor_flash_data
,
108 .resource
= &nor_flash_resource
,
114 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
115 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
117 static int usbh1_init(struct platform_device
*pdev
)
120 MX31_PIN_CSPI1_MOSI__USBH1_RXDM
,
121 MX31_PIN_CSPI1_MISO__USBH1_RXDP
,
122 MX31_PIN_CSPI1_SS0__USBH1_TXDM
,
123 MX31_PIN_CSPI1_SS1__USBH1_TXDP
,
124 MX31_PIN_CSPI1_SS2__USBH1_RCV
,
125 MX31_PIN_CSPI1_SCLK__USBH1_OEB
,
126 MX31_PIN_CSPI1_SPI_RDY__USBH1_FS
,
129 mxc_iomux_setup_multiple_pins(pins
, ARRAY_SIZE(pins
), "USB H1");
131 mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI
, USB_PAD_CFG
);
132 mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO
, USB_PAD_CFG
);
133 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0
, USB_PAD_CFG
);
134 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1
, USB_PAD_CFG
);
135 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2
, USB_PAD_CFG
);
136 mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK
, USB_PAD_CFG
);
137 mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY
, USB_PAD_CFG
);
139 mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND
, true);
143 return mx31_initialize_usb_hw(pdev
->id
, MXC_EHCI_POWER_PINS_ENABLED
|
144 MXC_EHCI_INTERFACE_SINGLE_UNI
);
147 static int usbh2_init(struct platform_device
*pdev
)
150 MX31_PIN_USBH2_DATA0__USBH2_DATA0
,
151 MX31_PIN_USBH2_DATA1__USBH2_DATA1
,
152 MX31_PIN_USBH2_CLK__USBH2_CLK
,
153 MX31_PIN_USBH2_DIR__USBH2_DIR
,
154 MX31_PIN_USBH2_NXT__USBH2_NXT
,
155 MX31_PIN_USBH2_STP__USBH2_STP
,
158 mxc_iomux_setup_multiple_pins(pins
, ARRAY_SIZE(pins
), "USB H2");
160 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK
, USB_PAD_CFG
);
161 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR
, USB_PAD_CFG
);
162 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT
, USB_PAD_CFG
);
163 mxc_iomux_set_pad(MX31_PIN_USBH2_STP
, USB_PAD_CFG
);
164 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0
, USB_PAD_CFG
);
165 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1
, USB_PAD_CFG
);
166 mxc_iomux_set_pad(MX31_PIN_SRXD6
, USB_PAD_CFG
);
167 mxc_iomux_set_pad(MX31_PIN_STXD6
, USB_PAD_CFG
);
168 mxc_iomux_set_pad(MX31_PIN_SFS3
, USB_PAD_CFG
);
169 mxc_iomux_set_pad(MX31_PIN_SCK3
, USB_PAD_CFG
);
170 mxc_iomux_set_pad(MX31_PIN_SRXD3
, USB_PAD_CFG
);
171 mxc_iomux_set_pad(MX31_PIN_STXD3
, USB_PAD_CFG
);
173 mxc_iomux_set_gpr(MUX_PGP_UH2
, true);
176 mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1
, IOMUX_CONFIG_GPIO
),
178 gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1
), "USBH2 CS");
179 gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1
), 0);
183 return mx31_initialize_usb_hw(pdev
->id
, MXC_EHCI_POWER_PINS_ENABLED
);
186 static const struct mxc_usbh_platform_data usbh1_pdata __initconst
= {
188 .portsc
= MXC_EHCI_MODE_UTMI
| MXC_EHCI_SERIAL
,
191 static struct mxc_usbh_platform_data usbh2_pdata __initdata
= {
193 .portsc
= MXC_EHCI_MODE_ULPI
| MXC_EHCI_UTMI_8BIT
,
196 static void __init
lilly1131_usb_init(void)
198 imx31_add_mxc_ehci_hs(1, &usbh1_pdata
);
200 usbh2_pdata
.otg
= imx_otg_ulpi_create(ULPI_OTG_DRVVBUS
|
201 ULPI_OTG_DRVVBUS_EXT
);
203 imx31_add_mxc_ehci_hs(2, &usbh2_pdata
);
208 static int spi_internal_chipselect
[] = {
214 static const struct spi_imx_master spi0_pdata __initconst
= {
215 .chipselect
= spi_internal_chipselect
,
216 .num_chipselect
= ARRAY_SIZE(spi_internal_chipselect
),
219 static const struct spi_imx_master spi1_pdata __initconst
= {
220 .chipselect
= spi_internal_chipselect
,
221 .num_chipselect
= ARRAY_SIZE(spi_internal_chipselect
),
224 static struct mc13xxx_platform_data mc13783_pdata __initdata
= {
225 .flags
= MC13XXX_USE_RTC
| MC13XXX_USE_TOUCHSCREEN
,
228 static struct spi_board_info mc13783_dev __initdata
= {
229 .modalias
= "mc13783",
230 .max_speed_hz
= 1000000,
233 .platform_data
= &mc13783_pdata
,
234 /* irq number is run-time assigned */
237 static struct platform_device
*devices
[] __initdata
= {
239 &physmap_flash_device
,
242 static int mx31lilly_baseboard
;
243 core_param(mx31lilly_baseboard
, mx31lilly_baseboard
, int, 0444);
245 static struct regulator_consumer_supply dummy_supplies
[] = {
246 REGULATOR_SUPPLY("vdd33a", "smsc911x"),
247 REGULATOR_SUPPLY("vddvario", "smsc911x"),
250 static void __init
mx31lilly_board_init(void)
254 switch (mx31lilly_baseboard
) {
255 case MX31LILLY_NOBOARD
:
261 printk(KERN_ERR
"Illegal mx31lilly_baseboard type %d\n",
262 mx31lilly_baseboard
);
265 mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4
, "Ethernet CS");
268 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SCLK__SCLK
, "SPI1_CLK");
269 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MOSI__MOSI
, "SPI1_TX");
270 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MISO__MISO
, "SPI1_RX");
271 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY
, "SPI1_RDY");
272 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS0__SS0
, "SPI1_SS0");
273 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS1__SS1
, "SPI1_SS1");
274 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS2__SS2
, "SPI1_SS2");
276 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SCLK__SCLK
, "SPI2_CLK");
277 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__MOSI
, "SPI2_TX");
278 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__MISO
, "SPI2_RX");
279 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY
, "SPI2_RDY");
280 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS0__SS0
, "SPI2_SS0");
281 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS1__SS1
, "SPI2_SS1");
282 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS2__SS2
, "SPI2_SS2");
284 imx31_add_spi_imx0(&spi0_pdata
);
285 imx31_add_spi_imx1(&spi1_pdata
);
286 mc13783_dev
.irq
= gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3
));
287 spi_register_board_info(&mc13783_dev
, 1);
289 regulator_register_fixed(0, dummy_supplies
, ARRAY_SIZE(dummy_supplies
));
291 smsc91x_resources
[1].start
=
292 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0
));
293 smsc91x_resources
[1].end
=
294 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0
));
295 platform_add_devices(devices
, ARRAY_SIZE(devices
));
298 lilly1131_usb_init();
301 static void __init
mx31lilly_timer_init(void)
303 mx31_clocks_init(26000000);
306 MACHINE_START(LILLY1131
, "INCO startec LILLY-1131")
307 .atag_offset
= 0x100,
308 .map_io
= mx31_map_io
,
309 .init_early
= imx31_init_early
,
310 .init_irq
= mx31_init_irq
,
311 .handle_irq
= imx31_handle_irq
,
312 .init_time
= mx31lilly_timer_init
,
313 .init_machine
= mx31lilly_board_init
,
314 .restart
= mxc_restart
,