summaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2/board-2430sdp.c
blob: 5b86423c89faf6944658f59d10e30355891f225a (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
/*
 * linux/arch/arm/mach-omap2/board-2430sdp.c
 *
 * Copyright (C) 2006 Texas Instruments
 *
 * Modified from mach-omap2/board-generic.c
 *
 * Initial Code : Based on a patch from Komal Shah and Richard Woodruff
 * Updated the Code for 2430 SDP : Syed Mohammed Khasim
 *
 * 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
 * published by the Free Software Foundation.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/mmc/host.h>
#include <linux/delay.h>
#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/usb/phy.h>

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

#include "common.h"
#include "gpmc.h"
#include "gpmc-smc91x.h"

#include <video/omapdss.h>
#include <video/omap-panel-data.h>

#include "mux.h"
#include "hsmmc.h"
#include "common-board-devices.h"

#define SDP2430_CS0_BASE	0x04000000
#define SECONDARY_LCD_GPIO		147

static struct mtd_partition sdp2430_partitions[] = {
	/* bootloader (U-Boot, etc) in first sector */
	{
		.name		= "bootloader",
		.offset		= 0,
		.size		= SZ_256K,
		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
	 },
	/* bootloader params in the next sector */
	{
		.name		= "params",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_128K,
		.mask_flags	= 0,
	 },
	/* kernel */
	{
		.name		= "kernel",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_2M,
		.mask_flags	= 0
	},
	/* file system */
	{
		.name		= "filesystem",
		.offset		= MTDPART_OFS_APPEND,
		.size		= MTDPART_SIZ_FULL,
		.mask_flags	= 0
	}
};

static struct physmap_flash_data sdp2430_flash_data = {
	.width		= 2,
	.parts		= sdp2430_partitions,
	.nr_parts	= ARRAY_SIZE(sdp2430_partitions),
};

static struct resource sdp2430_flash_resource = {
	.start		= SDP2430_CS0_BASE,
	.end		= SDP2430_CS0_BASE + SZ_64M - 1,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device sdp2430_flash_device = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev = {
		.platform_data	= &sdp2430_flash_data,
	},
	.num_resources	= 1,
	.resource	= &sdp2430_flash_resource,
};

static struct platform_device *sdp2430_devices[] __initdata = {
	&sdp2430_flash_device,
};

/* LCD */
#define SDP2430_LCD_PANEL_BACKLIGHT_GPIO	91
#define SDP2430_LCD_PANEL_ENABLE_GPIO		154

static int sdp2430_panel_enable_lcd(struct omap_dss_device *dssdev)
{
	gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 1);
	gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 1);

	return 0;
}

static void sdp2430_panel_disable_lcd(struct omap_dss_device *dssdev)
{
	gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 0);
	gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 0);
}

static struct panel_generic_dpi_data sdp2430_panel_data = {
	.name			= "nec_nl2432dr22-11b",
	.platform_enable	= sdp2430_panel_enable_lcd,
	.platform_disable	= sdp2430_panel_disable_lcd,
};

static struct omap_dss_device sdp2430_lcd_device = {
	.name			= "lcd",
	.driver_name		= "generic_dpi_panel",
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.phy.dpi.data_lines	= 16,
	.data			= &sdp2430_panel_data,
};

static struct omap_dss_device *sdp2430_dss_devices[] = {
	&sdp2430_lcd_device,
};

static struct omap_dss_board_info sdp2430_dss_data = {
	.num_devices	= ARRAY_SIZE(sdp2430_dss_devices),
	.devices	= sdp2430_dss_devices,
	.default_device	= &sdp2430_lcd_device,
};

static void __init sdp2430_display_init(void)
{
	int r;

	static struct gpio gpios[] __initdata = {
		{ SDP2430_LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW,
			"LCD reset" },
		{ SDP2430_LCD_PANEL_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW,
			"LCD Backlight" },
	};

	r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
	if (r) {
		pr_err("Cannot request LCD GPIOs, error %d\n", r);
		return;
	}

	omap_display_init(&sdp2430_dss_data);
}

#if IS_ENABLED(CONFIG_SMC91X)

static struct omap_smc91x_platform_data board_smc91x_data = {
	.cs		= 5,
	.gpio_irq	= 149,
	.flags		= GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
				IORESOURCE_IRQ_LOWLEVEL,

};

static void __init board_smc91x_init(void)
{
	omap_mux_init_gpio(149, OMAP_PIN_INPUT);
	gpmc_smc91x_init(&board_smc91x_data);
}

#else

static inline void board_smc91x_init(void)
{
}

#endif

static struct regulator_consumer_supply sdp2430_vmmc1_supplies[] = {
	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};

/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
static struct regulator_init_data sdp2430_vmmc1 = {
	.constraints = {
		.min_uV			= 1850000,
		.max_uV			= 3150000,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= ARRAY_SIZE(sdp2430_vmmc1_supplies),
	.consumer_supplies	= &sdp2430_vmmc1_supplies[0],
};

static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
};

static struct twl4030_platform_data sdp2430_twldata = {
	/* platform_data for children goes here */
	.gpio		= &sdp2430_gpio_data,
	.vmmc1		= &sdp2430_vmmc1,
};

static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
	{
		I2C_BOARD_INFO("isp1301_omap", 0x2D),
		.flags = I2C_CLIENT_WAKE,
	},
};

static int __init omap2430_i2c_init(void)
{
	sdp2430_i2c1_boardinfo[0].irq = gpio_to_irq(78);
	omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
			ARRAY_SIZE(sdp2430_i2c1_boardinfo));
	omap_pmic_init(2, 100, "twl4030", 7 + OMAP_INTC_START,
			&sdp2430_twldata);
	return 0;
}

static struct omap2_hsmmc_info mmc[] __initdata = {
	{
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
		.ext_clock	= 1,
	},
	{}	/* Terminator */
};

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
	{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif

static void __init omap_2430sdp_init(void)
{
	omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);

	omap2430_i2c_init();

	platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
	omap_serial_init();
	omap_sdrc_init(NULL, NULL);
	omap_hsmmc_init(mmc);

	omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
	usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
	usb_musb_init(NULL);

	board_smc91x_init();

	/* Turn off secondary LCD backlight */
	gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW,
			 "Secondary LCD backlight");

	sdp2430_display_init();
}

MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
	/* Maintainer: Syed Khasim - Texas Instruments Inc */
	.atag_offset	= 0x100,
	.reserve	= omap_reserve,
	.map_io		= omap243x_map_io,
	.init_early	= omap2430_init_early,
	.init_irq	= omap2_init_irq,
	.handle_irq	= omap2_intc_handle_irq,
	.init_machine	= omap_2430sdp_init,
	.init_late	= omap2430_init_late,
	.init_time	= omap2_sync32k_timer_init,
	.restart	= omap2xxx_restart,
MACHINE_END