summaryrefslogtreecommitdiff
path: root/arch/arm/mach-mx3/mach-pcm043.c
blob: 4e1de87995d48da64c76bb558abf3bbab815919f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
/*
 *  Copyright (C) 2009 Sascha Hauer, Pengutronix
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/types.h>
#include <linux/init.h>

#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/plat-ram.h>
#include <linux/memory.h>
#include <linux/gpio.h>
#include <linux/smc911x.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>
#include <linux/fsl_devices.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>

#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/iomux-mx35.h>
#include <mach/ipu.h>
#include <mach/mx3fb.h>
#include <mach/mxc_ehci.h>
#include <mach/ulpi.h>
#include <mach/audmux.h>

#include "devices-imx35.h"
#include "devices.h"

static const struct fb_videomode fb_modedb[] = {
	{
		/* 240x320 @ 60 Hz */
		.name		= "Sharp-LQ035Q7",
		.refresh	= 60,
		.xres		= 240,
		.yres		= 320,
		.pixclock	= 185925,
		.left_margin	= 9,
		.right_margin	= 16,
		.upper_margin	= 7,
		.lower_margin	= 9,
		.hsync_len	= 1,
		.vsync_len	= 1,
		.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE | FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
		.vmode		= FB_VMODE_NONINTERLACED,
		.flag		= 0,
	}, {
		/* 240x320 @ 60 Hz */
		.name		= "TX090",
		.refresh	= 60,
		.xres		= 240,
		.yres		= 320,
		.pixclock	= 38255,
		.left_margin	= 144,
		.right_margin	= 0,
		.upper_margin	= 7,
		.lower_margin	= 40,
		.hsync_len	= 96,
		.vsync_len	= 1,
		.sync		= FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
		.vmode		= FB_VMODE_NONINTERLACED,
		.flag		= 0,
	},
};

static struct ipu_platform_data mx3_ipu_data = {
	.irq_base = MXC_IPU_IRQ_START,
};

static struct mx3fb_platform_data mx3fb_pdata = {
	.dma_dev	= &mx3_ipu.dev,
	.name		= "Sharp-LQ035Q7",
	.mode		= fb_modedb,
	.num_modes	= ARRAY_SIZE(fb_modedb),
};

static struct physmap_flash_data pcm043_flash_data = {
	.width  = 2,
};

static struct resource pcm043_flash_resource = {
	.start	= 0xa0000000,
	.end	= 0xa1ffffff,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device pcm043_flash = {
	.name	= "physmap-flash",
	.id	= 0,
	.dev	= {
		.platform_data  = &pcm043_flash_data,
	},
	.resource = &pcm043_flash_resource,
	.num_resources = 1,
};

static const struct imxuart_platform_data uart_pdata __initconst = {
	.flags = IMXUART_HAVE_RTSCTS,
};

#if defined CONFIG_I2C_IMX || defined CONFIG_I2C_IMX_MODULE
static const struct imxi2c_platform_data pcm043_i2c0_data __initconst = {
	.bitrate = 50000,
};

static struct at24_platform_data board_eeprom = {
	.byte_len = 4096,
	.page_size = 32,
	.flags = AT24_FLAG_ADDR16,
};

static struct i2c_board_info pcm043_i2c_devices[] = {
       {
		I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
		.platform_data = &board_eeprom,
	}, {
		I2C_BOARD_INFO("pcf8563", 0x51),
	}
};
#endif

static struct platform_device *devices[] __initdata = {
	&pcm043_flash,
	&imx_wdt_device0,
};

static struct pad_desc pcm043_pads[] = {
	/* UART1 */
	MX35_PAD_CTS1__UART1_CTS,
	MX35_PAD_RTS1__UART1_RTS,
	MX35_PAD_TXD1__UART1_TXD_MUX,
	MX35_PAD_RXD1__UART1_RXD_MUX,
	/* UART2 */
	MX35_PAD_CTS2__UART2_CTS,
	MX35_PAD_RTS2__UART2_RTS,
	MX35_PAD_TXD2__UART2_TXD_MUX,
	MX35_PAD_RXD2__UART2_RXD_MUX,
	/* FEC */
	MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
	MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
	MX35_PAD_FEC_RX_DV__FEC_RX_DV,
	MX35_PAD_FEC_COL__FEC_COL,
	MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
	MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
	MX35_PAD_FEC_TX_EN__FEC_TX_EN,
	MX35_PAD_FEC_MDC__FEC_MDC,
	MX35_PAD_FEC_MDIO__FEC_MDIO,
	MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
	MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
	MX35_PAD_FEC_CRS__FEC_CRS,
	MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
	MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
	MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
	MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
	MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
	MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
	/* I2C1 */
	MX35_PAD_I2C1_CLK__I2C1_SCL,
	MX35_PAD_I2C1_DAT__I2C1_SDA,
	/* Display */
	MX35_PAD_LD0__IPU_DISPB_DAT_0,
	MX35_PAD_LD1__IPU_DISPB_DAT_1,
	MX35_PAD_LD2__IPU_DISPB_DAT_2,
	MX35_PAD_LD3__IPU_DISPB_DAT_3,
	MX35_PAD_LD4__IPU_DISPB_DAT_4,
	MX35_PAD_LD5__IPU_DISPB_DAT_5,
	MX35_PAD_LD6__IPU_DISPB_DAT_6,
	MX35_PAD_LD7__IPU_DISPB_DAT_7,
	MX35_PAD_LD8__IPU_DISPB_DAT_8,
	MX35_PAD_LD9__IPU_DISPB_DAT_9,
	MX35_PAD_LD10__IPU_DISPB_DAT_10,
	MX35_PAD_LD11__IPU_DISPB_DAT_11,
	MX35_PAD_LD12__IPU_DISPB_DAT_12,
	MX35_PAD_LD13__IPU_DISPB_DAT_13,
	MX35_PAD_LD14__IPU_DISPB_DAT_14,
	MX35_PAD_LD15__IPU_DISPB_DAT_15,
	MX35_PAD_LD16__IPU_DISPB_DAT_16,
	MX35_PAD_LD17__IPU_DISPB_DAT_17,
	MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
	MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
	MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
	MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
	MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
	MX35_PAD_D3_REV__IPU_DISPB_D3_REV,
	MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
	/* gpio */
	MX35_PAD_ATA_CS0__GPIO2_6,
	/* USB host */
	MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
	MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
	/* SSI */
	MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
	MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
	MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
	MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
	/* CAN2 */
	MX35_PAD_TX5_RX0__CAN2_TXCAN,
	MX35_PAD_TX4_RX1__CAN2_RXCAN,
	/* esdhc */
	MX35_PAD_SD1_CMD__ESDHC1_CMD,
	MX35_PAD_SD1_CLK__ESDHC1_CLK,
	MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
	MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
	MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
	MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
};

#define AC97_GPIO_TXFS	(1 * 32 + 31)
#define AC97_GPIO_TXD	(1 * 32 + 28)
#define AC97_GPIO_RESET	(1 * 32 + 0)

static void pcm043_ac97_warm_reset(struct snd_ac97 *ac97)
{
	struct pad_desc txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
	struct pad_desc txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
	int ret;

	ret = gpio_request(AC97_GPIO_TXFS, "SSI");
	if (ret) {
		printk("failed to get GPIO_TXFS: %d\n", ret);
		return;
	}

	mxc_iomux_v3_setup_pad(&txfs_gpio);

	/* warm reset */
	gpio_direction_output(AC97_GPIO_TXFS, 1);
	udelay(2);
	gpio_set_value(AC97_GPIO_TXFS, 0);

	gpio_free(AC97_GPIO_TXFS);
	mxc_iomux_v3_setup_pad(&txfs);
}

static void pcm043_ac97_cold_reset(struct snd_ac97 *ac97)
{
	struct pad_desc txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
	struct pad_desc txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
	struct pad_desc txd_gpio = MX35_PAD_STXD4__GPIO2_28;
	struct pad_desc txd = MX35_PAD_STXD4__AUDMUX_AUD4_TXD;
	struct pad_desc reset_gpio = MX35_PAD_SD2_CMD__GPIO2_0;
	int ret;

	ret = gpio_request(AC97_GPIO_TXFS, "SSI");
	if (ret)
		goto err1;

	ret = gpio_request(AC97_GPIO_TXD, "SSI");
	if (ret)
		goto err2;

	ret = gpio_request(AC97_GPIO_RESET, "SSI");
	if (ret)
		goto err3;

	mxc_iomux_v3_setup_pad(&txfs_gpio);
	mxc_iomux_v3_setup_pad(&txd_gpio);
	mxc_iomux_v3_setup_pad(&reset_gpio);

	gpio_direction_output(AC97_GPIO_TXFS, 0);
	gpio_direction_output(AC97_GPIO_TXD, 0);

	/* cold reset */
	gpio_direction_output(AC97_GPIO_RESET, 0);
	udelay(10);
	gpio_direction_output(AC97_GPIO_RESET, 1);

	mxc_iomux_v3_setup_pad(&txd);
	mxc_iomux_v3_setup_pad(&txfs);

	gpio_free(AC97_GPIO_RESET);
err3:
	gpio_free(AC97_GPIO_TXD);
err2:
	gpio_free(AC97_GPIO_TXFS);
err1:
	if (ret)
		printk("%s failed with %d\n", __func__, ret);
	mdelay(1);
}

static const struct imx_ssi_platform_data pcm043_ssi_pdata __initconst = {
	.ac97_reset = pcm043_ac97_cold_reset,
	.ac97_warm_reset = pcm043_ac97_warm_reset,
	.flags = IMX_SSI_USE_AC97,
};

static const struct mxc_nand_platform_data
pcm037_nand_board_info __initconst = {
	.width = 1,
	.hw_ecc = 1,
};

#if defined(CONFIG_USB_ULPI)
static struct mxc_usbh_platform_data otg_pdata = {
	.portsc	= MXC_EHCI_MODE_UTMI,
	.flags	= MXC_EHCI_INTERFACE_DIFF_UNI,
};

static struct mxc_usbh_platform_data usbh1_pdata = {
	.portsc	= MXC_EHCI_MODE_SERIAL,
	.flags	= MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY |
		  MXC_EHCI_IPPUE_DOWN,
};
#endif

static struct fsl_usb2_platform_data otg_device_pdata = {
	.operating_mode = FSL_USB2_DR_DEVICE,
	.phy_mode       = FSL_USB2_PHY_UTMI,
};

static int otg_mode_host;

static int __init pcm043_otg_mode(char *options)
{
	if (!strcmp(options, "host"))
		otg_mode_host = 1;
	else if (!strcmp(options, "device"))
		otg_mode_host = 0;
	else
		pr_info("otg_mode neither \"host\" nor \"device\". "
			"Defaulting to device\n");
	return 0;
}
__setup("otg_mode=", pcm043_otg_mode);

/*
 * Board specific initialization.
 */
static void __init mxc_board_init(void)
{
	mxc_iomux_v3_setup_multiple_pads(pcm043_pads, ARRAY_SIZE(pcm043_pads));

	mxc_audmux_v2_configure_port(3,
			MXC_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
			MXC_AUDMUX_V2_PTCR_TFSEL(0) |
			MXC_AUDMUX_V2_PTCR_TFSDIR,
			MXC_AUDMUX_V2_PDCR_RXDSEL(0));

	mxc_audmux_v2_configure_port(0,
			MXC_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
			MXC_AUDMUX_V2_PTCR_TCSEL(3) |
			MXC_AUDMUX_V2_PTCR_TCLKDIR, /* clock is output */
			MXC_AUDMUX_V2_PDCR_RXDSEL(3));

	imx35_add_fec(NULL);
	platform_add_devices(devices, ARRAY_SIZE(devices));

	imx35_add_imx_uart0(&uart_pdata);
	imx35_add_mxc_nand(&pcm037_nand_board_info);
	imx35_add_imx_ssi(0, &pcm043_ssi_pdata);

	imx35_add_imx_uart1(&uart_pdata);

#if defined CONFIG_I2C_IMX || defined CONFIG_I2C_IMX_MODULE
	i2c_register_board_info(0, pcm043_i2c_devices,
			ARRAY_SIZE(pcm043_i2c_devices));

	imx35_add_imx_i2c0(&pcm043_i2c0_data);
#endif

	mxc_register_device(&mx3_ipu, &mx3_ipu_data);
	mxc_register_device(&mx3_fb, &mx3fb_pdata);

#if defined(CONFIG_USB_ULPI)
	if (otg_mode_host) {
		otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
				ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);

		mxc_register_device(&mxc_otg_host, &otg_pdata);
	}

	mxc_register_device(&mxc_usbh1, &usbh1_pdata);
#endif
	if (!otg_mode_host)
		mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);

	imx35_add_flexcan1(NULL);
	imx35_add_esdhc(0, NULL);
}

static void __init pcm043_timer_init(void)
{
	mx35_clocks_init();
}

struct sys_timer pcm043_timer = {
	.init	= pcm043_timer_init,
};

MACHINE_START(PCM043, "Phytec Phycore pcm043")
	/* Maintainer: Pengutronix */
	.boot_params    = MX3x_PHYS_OFFSET + 0x100,
	.map_io         = mx35_map_io,
	.init_irq       = mx35_init_irq,
	.init_machine   = mxc_board_init,
	.timer          = &pcm043_timer,
MACHINE_END