summaryrefslogtreecommitdiff
path: root/arch/arm/mach-imx/mach-pcm043.c
blob: 8ed533f0f8ca7dd207e36f7030402a48718616ae (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
/*
 *  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 <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>

#include "common.h"
#include "devices-imx35.h"
#include "hardware.h"
#include "iomux-mx35.h"
#include "ulpi.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 mx3fb_platform_data mx3fb_pdata __initdata = {
	.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,
};

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),
	},
};

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

static iomux_v3_cfg_t 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,
	MX35_PAD_ATA_DATA10__GPIO2_23, /* WriteProtect */
	MX35_PAD_ATA_DATA11__GPIO2_24, /* CardDetect */
};

#define AC97_GPIO_TXFS	IMX_GPIO_NR(2, 31)
#define AC97_GPIO_TXD	IMX_GPIO_NR(2, 28)
#define AC97_GPIO_RESET	IMX_GPIO_NR(2, 0)
#define SD1_GPIO_WP	IMX_GPIO_NR(2, 23)
#define SD1_GPIO_CD	IMX_GPIO_NR(2, 24)

static void pcm043_ac97_warm_reset(struct snd_ac97 *ac97)
{
	iomux_v3_cfg_t txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
	iomux_v3_cfg_t 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)
{
	iomux_v3_cfg_t txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
	iomux_v3_cfg_t txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
	iomux_v3_cfg_t txd_gpio = MX35_PAD_STXD4__GPIO2_28;
	iomux_v3_cfg_t txd = MX35_PAD_STXD4__AUDMUX_AUD4_TXD;
	iomux_v3_cfg_t 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,
};

static int pcm043_otg_init(struct platform_device *pdev)
{
	return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
}

static struct mxc_usbh_platform_data otg_pdata __initdata = {
	.init	= pcm043_otg_init,
	.portsc	= MXC_EHCI_MODE_UTMI,
};

static int pcm043_usbh1_init(struct platform_device *pdev)
{
	return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
			MXC_EHCI_INTERNAL_PHY | MXC_EHCI_IPPUE_DOWN);
}

static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
	.init	= pcm043_usbh1_init,
	.portsc	= MXC_EHCI_MODE_SERIAL,
};

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

static bool otg_mode_host __initdata;

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

static struct esdhc_platform_data sd1_pdata = {
	.wp_gpio = SD1_GPIO_WP,
	.cd_gpio = SD1_GPIO_CD,
	.wp_type = ESDHC_WP_GPIO,
	.cd_type = ESDHC_CD_GPIO,
};

/*
 * Board specific initialization.
 */
static void __init pcm043_init(void)
{
	imx35_soc_init();

	mxc_iomux_v3_setup_multiple_pads(pcm043_pads, ARRAY_SIZE(pcm043_pads));

	imx35_add_fec(NULL);
	platform_add_devices(devices, ARRAY_SIZE(devices));
	imx35_add_imx2_wdt();

	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);

	i2c_register_board_info(0, pcm043_i2c_devices,
			ARRAY_SIZE(pcm043_i2c_devices));

	imx35_add_imx_i2c0(&pcm043_i2c0_data);

	imx35_add_ipu_core();
	imx35_add_mx3_sdc_fb(&mx3fb_pdata);

	if (otg_mode_host) {
		otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
				ULPI_OTG_DRVVBUS_EXT);
		if (otg_pdata.otg)
			imx35_add_mxc_ehci_otg(&otg_pdata);
	}
	imx35_add_mxc_ehci_hs(&usbh1_pdata);

	if (!otg_mode_host)
		imx35_add_fsl_usb2_udc(&otg_device_pdata);

	imx35_add_flexcan1(NULL);
	imx35_add_sdhci_esdhc_imx(0, &sd1_pdata);
}

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

MACHINE_START(PCM043, "Phytec Phycore pcm043")
	/* Maintainer: Pengutronix */
	.atag_offset = 0x100,
	.map_io = mx35_map_io,
	.init_early = imx35_init_early,
	.init_irq = mx35_init_irq,
	.handle_irq = imx35_handle_irq,
	.init_time = pcm043_timer_init,
	.init_machine = pcm043_init,
	.restart	= mxc_restart,
MACHINE_END