1/*
2 * linux/arch/arm/mach-omap2/board-2430sdp.c
3 *
4 * Copyright (C) 2006 Texas Instruments
5 *
6 * Modified from mach-omap2/board-generic.c
7 *
8 * Initial Code : Based on a patch from Komal Shah and Richard Woodruff
9 * Updated the Code for 2430 SDP : Syed Mohammed Khasim
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15
16#include <linux/kernel.h>
17#include <linux/init.h>
18#include <linux/platform_device.h>
19#include <linux/mtd/mtd.h>
20#include <linux/mtd/partitions.h>
21#include <linux/mtd/physmap.h>
22#include <linux/mmc/host.h>
23#include <linux/delay.h>
24#include <linux/i2c/twl.h>
25#include <linux/regulator/machine.h>
26#include <linux/err.h>
27#include <linux/clk.h>
28#include <linux/io.h>
29#include <linux/gpio.h>
30
31#include <mach/hardware.h>
32#include <asm/mach-types.h>
33#include <asm/mach/arch.h>
34#include <asm/mach/map.h>
35
36#include <plat/board.h>
37#include "common.h"
38#include <plat/gpmc.h>
39#include <plat/usb.h>
40#include <plat/gpmc-smc91x.h>
41
42#include <video/omapdss.h>
43#include <video/omap-panel-generic-dpi.h>
44
45#include "mux.h"
46#include "hsmmc.h"
47#include "common-board-devices.h"
48
49#define SDP2430_CS0_BASE	0x04000000
50#define SECONDARY_LCD_GPIO		147
51
52static struct mtd_partition sdp2430_partitions[] = {
53	/* bootloader (U-Boot, etc) in first sector */
54	{
55		.name		= "bootloader",
56		.offset		= 0,
57		.size		= SZ_256K,
58		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
59	 },
60	/* bootloader params in the next sector */
61	{
62		.name		= "params",
63		.offset		= MTDPART_OFS_APPEND,
64		.size		= SZ_128K,
65		.mask_flags	= 0,
66	 },
67	/* kernel */
68	{
69		.name		= "kernel",
70		.offset		= MTDPART_OFS_APPEND,
71		.size		= SZ_2M,
72		.mask_flags	= 0
73	},
74	/* file system */
75	{
76		.name		= "filesystem",
77		.offset		= MTDPART_OFS_APPEND,
78		.size		= MTDPART_SIZ_FULL,
79		.mask_flags	= 0
80	}
81};
82
83static struct physmap_flash_data sdp2430_flash_data = {
84	.width		= 2,
85	.parts		= sdp2430_partitions,
86	.nr_parts	= ARRAY_SIZE(sdp2430_partitions),
87};
88
89static struct resource sdp2430_flash_resource = {
90	.start		= SDP2430_CS0_BASE,
91	.end		= SDP2430_CS0_BASE + SZ_64M - 1,
92	.flags		= IORESOURCE_MEM,
93};
94
95static struct platform_device sdp2430_flash_device = {
96	.name		= "physmap-flash",
97	.id		= 0,
98	.dev = {
99		.platform_data	= &sdp2430_flash_data,
100	},
101	.num_resources	= 1,
102	.resource	= &sdp2430_flash_resource,
103};
104
105static struct platform_device *sdp2430_devices[] __initdata = {
106	&sdp2430_flash_device,
107};
108
109/* LCD */
110#define SDP2430_LCD_PANEL_BACKLIGHT_GPIO	91
111#define SDP2430_LCD_PANEL_ENABLE_GPIO		154
112
113static int sdp2430_panel_enable_lcd(struct omap_dss_device *dssdev)
114{
115	gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 1);
116	gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 1);
117
118	return 0;
119}
120
121static void sdp2430_panel_disable_lcd(struct omap_dss_device *dssdev)
122{
123	gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 0);
124	gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 0);
125}
126
127static struct panel_generic_dpi_data sdp2430_panel_data = {
128	.name			= "nec_nl2432dr22-11b",
129	.platform_enable	= sdp2430_panel_enable_lcd,
130	.platform_disable	= sdp2430_panel_disable_lcd,
131};
132
133static struct omap_dss_device sdp2430_lcd_device = {
134	.name			= "lcd",
135	.driver_name		= "generic_dpi_panel",
136	.type			= OMAP_DISPLAY_TYPE_DPI,
137	.phy.dpi.data_lines	= 16,
138	.data			= &sdp2430_panel_data,
139};
140
141static struct omap_dss_device *sdp2430_dss_devices[] = {
142	&sdp2430_lcd_device,
143};
144
145static struct omap_dss_board_info sdp2430_dss_data = {
146	.num_devices	= ARRAY_SIZE(sdp2430_dss_devices),
147	.devices	= sdp2430_dss_devices,
148	.default_device	= &sdp2430_lcd_device,
149};
150
151static void __init sdp2430_display_init(void)
152{
153	int r;
154
155	static struct gpio gpios[] __initdata = {
156		{ SDP2430_LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW,
157			"LCD reset" },
158		{ SDP2430_LCD_PANEL_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW,
159			"LCD Backlight" },
160	};
161
162	r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
163	if (r) {
164		pr_err("Cannot request LCD GPIOs, error %d\n", r);
165		return;
166	}
167
168	omap_display_init(&sdp2430_dss_data);
169}
170
171#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE)
172
173static struct omap_smc91x_platform_data board_smc91x_data = {
174	.cs		= 5,
175	.gpio_irq	= 149,
176	.flags		= GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
177				IORESOURCE_IRQ_LOWLEVEL,
178
179};
180
181static void __init board_smc91x_init(void)
182{
183	omap_mux_init_gpio(149, OMAP_PIN_INPUT);
184	gpmc_smc91x_init(&board_smc91x_data);
185}
186
187#else
188
189static inline void board_smc91x_init(void)
190{
191}
192
193#endif
194
195static struct regulator_consumer_supply sdp2430_vmmc1_supplies[] = {
196	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
197};
198
199/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
200static struct regulator_init_data sdp2430_vmmc1 = {
201	.constraints = {
202		.min_uV			= 1850000,
203		.max_uV			= 3150000,
204		.valid_modes_mask	= REGULATOR_MODE_NORMAL
205					| REGULATOR_MODE_STANDBY,
206		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
207					| REGULATOR_CHANGE_MODE
208					| REGULATOR_CHANGE_STATUS,
209	},
210	.num_consumer_supplies	= ARRAY_SIZE(sdp2430_vmmc1_supplies),
211	.consumer_supplies	= &sdp2430_vmmc1_supplies[0],
212};
213
214static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
215	.gpio_base	= OMAP_MAX_GPIO_LINES,
216	.irq_base	= TWL4030_GPIO_IRQ_BASE,
217	.irq_end	= TWL4030_GPIO_IRQ_END,
218};
219
220static struct twl4030_platform_data sdp2430_twldata = {
221	.irq_base	= TWL4030_IRQ_BASE,
222	.irq_end	= TWL4030_IRQ_END,
223
224	/* platform_data for children goes here */
225	.gpio		= &sdp2430_gpio_data,
226	.vmmc1		= &sdp2430_vmmc1,
227};
228
229static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
230	{
231		I2C_BOARD_INFO("isp1301_omap", 0x2D),
232		.flags = I2C_CLIENT_WAKE,
233	},
234};
235
236static int __init omap2430_i2c_init(void)
237{
238	sdp2430_i2c1_boardinfo[0].irq = gpio_to_irq(78);
239	omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
240			ARRAY_SIZE(sdp2430_i2c1_boardinfo));
241	omap_pmic_init(2, 100, "twl4030", INT_24XX_SYS_NIRQ,
242			&sdp2430_twldata);
243	return 0;
244}
245
246static struct omap2_hsmmc_info mmc[] __initdata = {
247	{
248		.mmc		= 1,
249		.caps		= MMC_CAP_4_BIT_DATA,
250		.gpio_cd	= -EINVAL,
251		.gpio_wp	= -EINVAL,
252		.ext_clock	= 1,
253	},
254	{}	/* Terminator */
255};
256
257static struct omap_usb_config sdp2430_usb_config __initdata = {
258	.otg		= 1,
259#ifdef  CONFIG_USB_GADGET_OMAP
260	.hmc_mode	= 0x0,
261#elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
262	.hmc_mode	= 0x1,
263#endif
264	.pins[0]	= 3,
265};
266
267#ifdef CONFIG_OMAP_MUX
268static struct omap_board_mux board_mux[] __initdata = {
269	{ .reg_offset = OMAP_MUX_TERMINATOR },
270};
271#endif
272
273static void __init omap_2430sdp_init(void)
274{
275	omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
276
277	omap2430_i2c_init();
278
279	platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
280	omap_serial_init();
281	omap_sdrc_init(NULL, NULL);
282	omap_hsmmc_init(mmc);
283	omap2_usbfs_init(&sdp2430_usb_config);
284
285	omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
286	usb_musb_init(NULL);
287
288	board_smc91x_init();
289
290	/* Turn off secondary LCD backlight */
291	gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW,
292			 "Secondary LCD backlight");
293
294	sdp2430_display_init();
295}
296
297MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
298	/* Maintainer: Syed Khasim - Texas Instruments Inc */
299	.atag_offset	= 0x100,
300	.reserve	= omap_reserve,
301	.map_io		= omap243x_map_io,
302	.init_early	= omap2430_init_early,
303	.init_irq	= omap2_init_irq,
304	.handle_irq	= omap2_intc_handle_irq,
305	.init_machine	= omap_2430sdp_init,
306	.timer		= &omap2_timer,
307	.restart	= omap_prcm_restart,
308MACHINE_END
309