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-rw-r--r--arch/arm/mach-mx2/mach-pca100.c396
1 files changed, 0 insertions, 396 deletions
diff --git a/arch/arm/mach-mx2/mach-pca100.c b/arch/arm/mach-mx2/mach-pca100.c
deleted file mode 100644
index a87422ed4ff5..000000000000
--- a/arch/arm/mach-mx2/mach-pca100.c
+++ /dev/null
@@ -1,396 +0,0 @@
1/*
2 * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
3 * Copyright (C) 2009 Sascha Hauer (kernel@pengutronix.de)
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
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., 51 Franklin Street, Fifth Floor, Boston,
17 * MA 02110-1301, USA.
18 */
19
20#include <linux/platform_device.h>
21#include <linux/io.h>
22#include <linux/i2c.h>
23#include <linux/i2c/at24.h>
24#include <linux/dma-mapping.h>
25#include <linux/spi/spi.h>
26#include <linux/spi/eeprom.h>
27#include <linux/irq.h>
28#include <linux/delay.h>
29#include <linux/gpio.h>
30#include <linux/usb/otg.h>
31#include <linux/usb/ulpi.h>
32#include <linux/fsl_devices.h>
33
34#include <asm/mach/arch.h>
35#include <asm/mach-types.h>
36#include <mach/common.h>
37#include <mach/hardware.h>
38#include <mach/iomux-mx27.h>
39#include <mach/i2c.h>
40#include <asm/mach/time.h>
41#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
42#include <mach/spi.h>
43#endif
44#include <mach/imx-uart.h>
45#include <mach/audmux.h>
46#include <mach/ssi.h>
47#include <mach/mxc_nand.h>
48#include <mach/irqs.h>
49#include <mach/mmc.h>
50#include <mach/mxc_ehci.h>
51#include <mach/ulpi.h>
52
53#include "devices.h"
54
55#define OTG_PHY_CS_GPIO (GPIO_PORTB + 23)
56#define USBH2_PHY_CS_GPIO (GPIO_PORTB + 24)
57
58static int pca100_pins[] = {
59 /* UART1 */
60 PE12_PF_UART1_TXD,
61 PE13_PF_UART1_RXD,
62 PE14_PF_UART1_CTS,
63 PE15_PF_UART1_RTS,
64 /* SDHC */
65 PB4_PF_SD2_D0,
66 PB5_PF_SD2_D1,
67 PB6_PF_SD2_D2,
68 PB7_PF_SD2_D3,
69 PB8_PF_SD2_CMD,
70 PB9_PF_SD2_CLK,
71 /* FEC */
72 PD0_AIN_FEC_TXD0,
73 PD1_AIN_FEC_TXD1,
74 PD2_AIN_FEC_TXD2,
75 PD3_AIN_FEC_TXD3,
76 PD4_AOUT_FEC_RX_ER,
77 PD5_AOUT_FEC_RXD1,
78 PD6_AOUT_FEC_RXD2,
79 PD7_AOUT_FEC_RXD3,
80 PD8_AF_FEC_MDIO,
81 PD9_AIN_FEC_MDC,
82 PD10_AOUT_FEC_CRS,
83 PD11_AOUT_FEC_TX_CLK,
84 PD12_AOUT_FEC_RXD0,
85 PD13_AOUT_FEC_RX_DV,
86 PD14_AOUT_FEC_RX_CLK,
87 PD15_AOUT_FEC_COL,
88 PD16_AIN_FEC_TX_ER,
89 PF23_AIN_FEC_TX_EN,
90 /* SSI1 */
91 PC20_PF_SSI1_FS,
92 PC21_PF_SSI1_RXD,
93 PC22_PF_SSI1_TXD,
94 PC23_PF_SSI1_CLK,
95 /* onboard I2C */
96 PC5_PF_I2C2_SDA,
97 PC6_PF_I2C2_SCL,
98 /* external I2C */
99 PD17_PF_I2C_DATA,
100 PD18_PF_I2C_CLK,
101 /* SPI1 */
102 PD25_PF_CSPI1_RDY,
103 PD29_PF_CSPI1_SCLK,
104 PD30_PF_CSPI1_MISO,
105 PD31_PF_CSPI1_MOSI,
106 /* OTG */
107 OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
108 PC7_PF_USBOTG_DATA5,
109 PC8_PF_USBOTG_DATA6,
110 PC9_PF_USBOTG_DATA0,
111 PC10_PF_USBOTG_DATA2,
112 PC11_PF_USBOTG_DATA1,
113 PC12_PF_USBOTG_DATA4,
114 PC13_PF_USBOTG_DATA3,
115 PE0_PF_USBOTG_NXT,
116 PE1_PF_USBOTG_STP,
117 PE2_PF_USBOTG_DIR,
118 PE24_PF_USBOTG_CLK,
119 PE25_PF_USBOTG_DATA7,
120 /* USBH2 */
121 USBH2_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
122 PA0_PF_USBH2_CLK,
123 PA1_PF_USBH2_DIR,
124 PA2_PF_USBH2_DATA7,
125 PA3_PF_USBH2_NXT,
126 PA4_PF_USBH2_STP,
127 PD19_AF_USBH2_DATA4,
128 PD20_AF_USBH2_DATA3,
129 PD21_AF_USBH2_DATA6,
130 PD22_AF_USBH2_DATA0,
131 PD23_AF_USBH2_DATA2,
132 PD24_AF_USBH2_DATA1,
133 PD26_AF_USBH2_DATA5,
134};
135
136static struct imxuart_platform_data uart_pdata = {
137 .flags = IMXUART_HAVE_RTSCTS,
138};
139
140static struct mxc_nand_platform_data pca100_nand_board_info = {
141 .width = 1,
142 .hw_ecc = 1,
143};
144
145static struct platform_device *platform_devices[] __initdata = {
146 &mxc_w1_master_device,
147 &mxc_fec_device,
148 &mxc_wdt,
149};
150
151static struct imxi2c_platform_data pca100_i2c_1_data = {
152 .bitrate = 100000,
153};
154
155static struct at24_platform_data board_eeprom = {
156 .byte_len = 4096,
157 .page_size = 32,
158 .flags = AT24_FLAG_ADDR16,
159};
160
161static struct i2c_board_info pca100_i2c_devices[] = {
162 {
163 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
164 .platform_data = &board_eeprom,
165 }, {
166 I2C_BOARD_INFO("rtc-pcf8563", 0x51),
167 .type = "pcf8563"
168 }, {
169 I2C_BOARD_INFO("lm75", 0x4a),
170 .type = "lm75"
171 }
172};
173
174#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
175static struct spi_eeprom at25320 = {
176 .name = "at25320an",
177 .byte_len = 4096,
178 .page_size = 32,
179 .flags = EE_ADDR2,
180};
181
182static struct spi_board_info pca100_spi_board_info[] __initdata = {
183 {
184 .modalias = "at25",
185 .max_speed_hz = 30000,
186 .bus_num = 0,
187 .chip_select = 1,
188 .platform_data = &at25320,
189 },
190};
191
192static int pca100_spi_cs[] = {GPIO_PORTD + 28, GPIO_PORTD + 27};
193
194static struct spi_imx_master pca100_spi_0_data = {
195 .chipselect = pca100_spi_cs,
196 .num_chipselect = ARRAY_SIZE(pca100_spi_cs),
197};
198#endif
199
200static void pca100_ac97_warm_reset(struct snd_ac97 *ac97)
201{
202 mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT);
203 gpio_set_value(GPIO_PORTC + 20, 1);
204 udelay(2);
205 gpio_set_value(GPIO_PORTC + 20, 0);
206 mxc_gpio_mode(PC20_PF_SSI1_FS);
207 msleep(2);
208}
209
210static void pca100_ac97_cold_reset(struct snd_ac97 *ac97)
211{
212 mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT); /* FS */
213 gpio_set_value(GPIO_PORTC + 20, 0);
214 mxc_gpio_mode(GPIO_PORTC | 22 | GPIO_GPIO | GPIO_OUT); /* TX */
215 gpio_set_value(GPIO_PORTC + 22, 0);
216 mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_OUT); /* reset */
217 gpio_set_value(GPIO_PORTC + 28, 0);
218 udelay(10);
219 gpio_set_value(GPIO_PORTC + 28, 1);
220 mxc_gpio_mode(PC20_PF_SSI1_FS);
221 mxc_gpio_mode(PC22_PF_SSI1_TXD);
222 msleep(2);
223}
224
225static struct imx_ssi_platform_data pca100_ssi_pdata = {
226 .ac97_reset = pca100_ac97_cold_reset,
227 .ac97_warm_reset = pca100_ac97_warm_reset,
228 .flags = IMX_SSI_USE_AC97,
229};
230
231static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
232 void *data)
233{
234 int ret;
235
236 ret = request_irq(IRQ_GPIOC(29), detect_irq,
237 IRQF_DISABLED | IRQF_TRIGGER_FALLING,
238 "imx-mmc-detect", data);
239 if (ret)
240 printk(KERN_ERR
241 "pca100: Failed to reuest irq for sd/mmc detection\n");
242
243 return ret;
244}
245
246static void pca100_sdhc2_exit(struct device *dev, void *data)
247{
248 free_irq(IRQ_GPIOC(29), data);
249}
250
251static struct imxmmc_platform_data sdhc_pdata = {
252 .init = pca100_sdhc2_init,
253 .exit = pca100_sdhc2_exit,
254};
255
256static int otg_phy_init(struct platform_device *pdev)
257{
258 gpio_set_value(OTG_PHY_CS_GPIO, 0);
259 return 0;
260}
261
262static struct mxc_usbh_platform_data otg_pdata = {
263 .init = otg_phy_init,
264 .portsc = MXC_EHCI_MODE_ULPI,
265 .flags = MXC_EHCI_INTERFACE_DIFF_UNI,
266};
267
268static int usbh2_phy_init(struct platform_device *pdev)
269{
270 gpio_set_value(USBH2_PHY_CS_GPIO, 0);
271 return 0;
272}
273
274static struct mxc_usbh_platform_data usbh2_pdata = {
275 .init = usbh2_phy_init,
276 .portsc = MXC_EHCI_MODE_ULPI,
277 .flags = MXC_EHCI_INTERFACE_DIFF_UNI,
278};
279
280static struct fsl_usb2_platform_data otg_device_pdata = {
281 .operating_mode = FSL_USB2_DR_DEVICE,
282 .phy_mode = FSL_USB2_PHY_ULPI,
283};
284
285static int otg_mode_host;
286
287static int __init pca100_otg_mode(char *options)
288{
289 if (!strcmp(options, "host"))
290 otg_mode_host = 1;
291 else if (!strcmp(options, "device"))
292 otg_mode_host = 0;
293 else
294 pr_info("otg_mode neither \"host\" nor \"device\". "
295 "Defaulting to device\n");
296 return 0;
297}
298__setup("otg_mode=", pca100_otg_mode);
299
300static void __init pca100_init(void)
301{
302 int ret;
303
304 /* SSI unit */
305 mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
306 MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */
307 MXC_AUDMUX_V1_PCR_TFCSEL(3) |
308 MXC_AUDMUX_V1_PCR_TCLKDIR | /* clock is output */
309 MXC_AUDMUX_V1_PCR_RXDSEL(3));
310 mxc_audmux_v1_configure_port(3,
311 MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */
312 MXC_AUDMUX_V1_PCR_TFCSEL(0) |
313 MXC_AUDMUX_V1_PCR_TFSDIR |
314 MXC_AUDMUX_V1_PCR_RXDSEL(0));
315
316 ret = mxc_gpio_setup_multiple_pins(pca100_pins,
317 ARRAY_SIZE(pca100_pins), "PCA100");
318 if (ret)
319 printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret);
320
321 mxc_register_device(&imx_ssi_device0, &pca100_ssi_pdata);
322
323 mxc_register_device(&mxc_uart_device0, &uart_pdata);
324
325 mxc_gpio_mode(GPIO_PORTC | 29 | GPIO_GPIO | GPIO_IN);
326 mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata);
327
328 mxc_register_device(&imx27_nand_device, &pca100_nand_board_info);
329
330 /* only the i2c master 1 is used on this CPU card */
331 i2c_register_board_info(1, pca100_i2c_devices,
332 ARRAY_SIZE(pca100_i2c_devices));
333
334 mxc_register_device(&mxc_i2c_device1, &pca100_i2c_1_data);
335
336 mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT);
337 mxc_gpio_mode(GPIO_PORTD | 27 | GPIO_GPIO | GPIO_OUT);
338
339 /* GPIO0_IRQ */
340 mxc_gpio_mode(GPIO_PORTC | 31 | GPIO_GPIO | GPIO_IN);
341 /* GPIO1_IRQ */
342 mxc_gpio_mode(GPIO_PORTC | 25 | GPIO_GPIO | GPIO_IN);
343 /* GPIO2_IRQ */
344 mxc_gpio_mode(GPIO_PORTE | 5 | GPIO_GPIO | GPIO_IN);
345
346#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
347 spi_register_board_info(pca100_spi_board_info,
348 ARRAY_SIZE(pca100_spi_board_info));
349 mxc_register_device(&mxc_spi_device0, &pca100_spi_0_data);
350#endif
351
352 gpio_request(OTG_PHY_CS_GPIO, "usb-otg-cs");
353 gpio_direction_output(OTG_PHY_CS_GPIO, 1);
354 gpio_request(USBH2_PHY_CS_GPIO, "usb-host2-cs");
355 gpio_direction_output(USBH2_PHY_CS_GPIO, 1);
356
357#if defined(CONFIG_USB_ULPI)
358 if (otg_mode_host) {
359 otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
360 USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
361
362 mxc_register_device(&mxc_otg_host, &otg_pdata);
363 }
364
365 usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
366 USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
367
368 mxc_register_device(&mxc_usbh2, &usbh2_pdata);
369#endif
370 if (!otg_mode_host) {
371 gpio_set_value(OTG_PHY_CS_GPIO, 0);
372 mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
373 }
374
375 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
376}
377
378static void __init pca100_timer_init(void)
379{
380 mx27_clocks_init(26000000);
381}
382
383static struct sys_timer pca100_timer = {
384 .init = pca100_timer_init,
385};
386
387MACHINE_START(PCA100, "phyCARD-i.MX27")
388 .phys_io = MX27_AIPI_BASE_ADDR,
389 .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
390 .boot_params = MX27_PHYS_OFFSET + 0x100,
391 .map_io = mx27_map_io,
392 .init_irq = mx27_init_irq,
393 .init_machine = pca100_init,
394 .timer = &pca100_timer,
395MACHINE_END
396
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-25 02:54:48 -0500