summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mmp/ttc_dkb.c
blob: cfadd974f5ce060942b02a9eff015d322a381d82 (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
/*
 *  linux/arch/arm/mach-mmp/ttc_dkb.c
 *
 *  Support for the Marvell PXA910-based TTC_DKB Development Platform.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  publishhed by the Free Software Foundation.
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/onenand.h>
#include <linux/interrupt.h>
#include <linux/platform_data/pca953x.h>
#include <linux/gpio.h>
#include <linux/gpio-pxa.h>
#include <linux/mfd/88pm860x.h>
#include <linux/platform_data/mv_usb.h>
#include <linux/spi/spi.h>
#include <linux/delay.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <mach/addr-map.h>
#include <mach/mfp-pxa910.h>
#include <mach/pxa910.h>
#include <mach/irqs.h>
#include <mach/regs-usb.h>

#include "common.h"

#define TTCDKB_GPIO_EXT0(x)	(MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 :	\
				((x < 16) ? x : 15)))
#define TTCDKB_GPIO_EXT1(x)	(MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \
				((x < 16) ? x : 15)))

/*
 * 16 board interrupts -- MAX7312 GPIO expander
 * 16 board interrupts -- PCA9575 GPIO expander
 * 24 board interrupts -- 88PM860x PMIC
 */
#define TTCDKB_NR_IRQS		(MMP_NR_IRQS + 16 + 16 + 24)

static unsigned long ttc_dkb_pin_config[] __initdata = {
	/* UART2 */
	GPIO47_UART2_RXD,
	GPIO48_UART2_TXD,

	/* DFI */
	DF_IO0_ND_IO0,
	DF_IO1_ND_IO1,
	DF_IO2_ND_IO2,
	DF_IO3_ND_IO3,
	DF_IO4_ND_IO4,
	DF_IO5_ND_IO5,
	DF_IO6_ND_IO6,
	DF_IO7_ND_IO7,
	DF_IO8_ND_IO8,
	DF_IO9_ND_IO9,
	DF_IO10_ND_IO10,
	DF_IO11_ND_IO11,
	DF_IO12_ND_IO12,
	DF_IO13_ND_IO13,
	DF_IO14_ND_IO14,
	DF_IO15_ND_IO15,
	DF_nCS0_SM_nCS2_nCS0,
	DF_ALE_SM_WEn_ND_ALE,
	DF_CLE_SM_OEn_ND_CLE,
	DF_WEn_DF_WEn,
	DF_REn_DF_REn,
	DF_RDY0_DF_RDY0,
};

static struct pxa_gpio_platform_data pxa910_gpio_pdata = {
	.irq_base	= MMP_GPIO_TO_IRQ(0),
};

static struct mtd_partition ttc_dkb_onenand_partitions[] = {
	{
		.name		= "bootloader",
		.offset		= 0,
		.size		= SZ_1M,
		.mask_flags	= MTD_WRITEABLE,
	}, {
		.name		= "reserved",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_128K,
		.mask_flags	= MTD_WRITEABLE,
	}, {
		.name		= "reserved",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_8M,
		.mask_flags	= MTD_WRITEABLE,
	}, {
		.name		= "kernel",
		.offset		= MTDPART_OFS_APPEND,
		.size		= (SZ_2M + SZ_1M),
		.mask_flags	= 0,
	}, {
		.name		= "filesystem",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_32M + SZ_16M,
		.mask_flags	= 0,
	}
};

static struct onenand_platform_data ttc_dkb_onenand_info = {
	.parts		= ttc_dkb_onenand_partitions,
	.nr_parts	= ARRAY_SIZE(ttc_dkb_onenand_partitions),
};

static struct resource ttc_dkb_resource_onenand[] = {
	[0] = {
		.start	= SMC_CS0_PHYS_BASE,
		.end	= SMC_CS0_PHYS_BASE + SZ_1M,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device ttc_dkb_device_onenand = {
	.name		= "onenand-flash",
	.id		= -1,
	.resource	= ttc_dkb_resource_onenand,
	.num_resources	= ARRAY_SIZE(ttc_dkb_resource_onenand),
	.dev		= {
		.platform_data	= &ttc_dkb_onenand_info,
	},
};

static struct platform_device *ttc_dkb_devices[] = {
	&pxa910_device_gpio,
	&pxa910_device_rtc,
	&ttc_dkb_device_onenand,
};

static struct pca953x_platform_data max7312_data[] = {
	{
		.gpio_base	= TTCDKB_GPIO_EXT0(0),
		.irq_base	= MMP_NR_IRQS,
	},
};

static struct pm860x_platform_data ttc_dkb_pm8607_info = {
	.irq_base       = IRQ_BOARD_START,
};

static struct i2c_board_info ttc_dkb_i2c_info[] = {
	{
		.type           = "88PM860x",
		.addr           = 0x34,
		.platform_data  = &ttc_dkb_pm8607_info,
		.irq            = IRQ_PXA910_PMIC_INT,
	},
	{
		.type		= "max7312",
		.addr		= 0x23,
		.irq		= MMP_GPIO_TO_IRQ(80),
		.platform_data	= &max7312_data,
	},
};

#ifdef CONFIG_USB_SUPPORT
#if defined(CONFIG_USB_MV_UDC) || defined(CONFIG_USB_EHCI_MV_U2O)

static struct mv_usb_platform_data ttc_usb_pdata = {
	.vbus		= NULL,
	.mode		= MV_USB_MODE_OTG,
	.otg_force_a_bus_req = 1,
	.phy_init	= pxa_usb_phy_init,
	.phy_deinit	= pxa_usb_phy_deinit,
	.set_vbus	= NULL,
};
#endif
#endif

#ifdef CONFIG_MTD_NAND_PXA3xx
static struct pxa3xx_nand_platform_data dkb_nand_info = {
	.enable_arbiter = 1,
	.num_cs = 1,
};
#endif

#ifdef CONFIG_MMP_DISP
/* path config */
#define CFG_IOPADMODE(iopad)   (iopad)  /* 0x0 ~ 0xd */
#define SCLK_SOURCE_SELECT(x)  (x << 30) /* 0x0 ~ 0x3 */
/* link config */
#define CFG_DUMBMODE(mode)     (mode << 28) /* 0x0 ~ 0x6*/
static struct mmp_mach_path_config dkb_disp_config[] = {
	[0] = {
		.name = "mmp-parallel",
		.overlay_num = 2,
		.output_type = PATH_OUT_PARALLEL,
		.path_config = CFG_IOPADMODE(0x1)
			| SCLK_SOURCE_SELECT(0x1),
		.link_config = CFG_DUMBMODE(0x2),
	},
};

static struct mmp_mach_plat_info dkb_disp_info = {
	.name = "mmp-disp",
	.clk_name = "disp0",
	.path_num = 1,
	.paths = dkb_disp_config,
};

static struct mmp_buffer_driver_mach_info dkb_fb_info = {
	.name = "mmp-fb",
	.path_name = "mmp-parallel",
	.overlay_id = 0,
	.dmafetch_id = 1,
	.default_pixfmt = PIXFMT_RGB565,
};

static void dkb_tpo_panel_power(int on)
{
	int err;
	u32 spi_reset = mfp_to_gpio(MFP_PIN_GPIO106);

	if (on) {
		err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
		if (err) {
			pr_err("failed to request GPIO for TPO LCD RESET\n");
			return;
		}
		gpio_direction_output(spi_reset, 0);
		udelay(100);
		gpio_set_value(spi_reset, 1);
		gpio_free(spi_reset);
	} else {
		err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
		if (err) {
			pr_err("failed to request LCD RESET gpio\n");
			return;
		}
		gpio_set_value(spi_reset, 0);
		gpio_free(spi_reset);
	}
}

static struct mmp_mach_panel_info dkb_tpo_panel_info = {
	.name = "tpo-hvga",
	.plat_path_name = "mmp-parallel",
	.plat_set_onoff = dkb_tpo_panel_power,
};

static struct spi_board_info spi_board_info[] __initdata = {
	{
		.modalias       = "tpo-hvga",
		.platform_data  = &dkb_tpo_panel_info,
		.bus_num        = 5,
	}
};

static void __init add_disp(void)
{
	pxa_register_device(&pxa910_device_disp,
		&dkb_disp_info, sizeof(dkb_disp_info));
	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
	pxa_register_device(&pxa910_device_fb,
		&dkb_fb_info, sizeof(dkb_fb_info));
	pxa_register_device(&pxa910_device_panel,
		&dkb_tpo_panel_info, sizeof(dkb_tpo_panel_info));
}
#endif

static void __init ttc_dkb_init(void)
{
	mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));

	/* on-chip devices */
	pxa910_add_uart(1);
#ifdef CONFIG_MTD_NAND_PXA3xx
	pxa910_add_nand(&dkb_nand_info);
#endif

	/* off-chip devices */
	pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
	platform_device_add_data(&pxa910_device_gpio, &pxa910_gpio_pdata,
				 sizeof(struct pxa_gpio_platform_data));
	platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));

#ifdef CONFIG_USB_MV_UDC
	pxa168_device_u2o.dev.platform_data = &ttc_usb_pdata;
	platform_device_register(&pxa168_device_u2o);
#endif

#ifdef CONFIG_USB_EHCI_MV_U2O
	pxa168_device_u2oehci.dev.platform_data = &ttc_usb_pdata;
	platform_device_register(&pxa168_device_u2oehci);
#endif

#ifdef CONFIG_USB_MV_OTG
	pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata;
	platform_device_register(&pxa168_device_u2ootg);
#endif

#ifdef CONFIG_MMP_DISP
	add_disp();
#endif
}

MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
	.map_io		= mmp_map_io,
	.nr_irqs	= TTCDKB_NR_IRQS,
	.init_irq       = pxa910_init_irq,
	.init_time	= pxa910_timer_init,
	.init_machine   = ttc_dkb_init,
	.restart	= mmp_restart,
MACHINE_END