2 * linux/arch/arm/mach-omap2/board-2430sdp.c
4 * Copyright (C) 2006 Texas Instruments
6 * Modified from mach-omap2/board-generic.c
8 * Initial Code : Based on a patch from Komal Shah and Richard Woodruff
9 * Updated the Code for 2430 SDP : Syed Mohammed Khasim
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.
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>
29 #include <linux/gpio.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
37 #include "gpmc-smc91x.h"
39 #include <video/omapdss.h>
40 #include <video/omap-panel-generic-dpi.h>
44 #include "common-board-devices.h"
46 #define SDP2430_CS0_BASE 0x04000000
47 #define SECONDARY_LCD_GPIO 147
49 static struct mtd_partition sdp2430_partitions
[] = {
50 /* bootloader (U-Boot, etc) in first sector */
55 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
57 /* bootloader params in the next sector */
60 .offset
= MTDPART_OFS_APPEND
,
67 .offset
= MTDPART_OFS_APPEND
,
74 .offset
= MTDPART_OFS_APPEND
,
75 .size
= MTDPART_SIZ_FULL
,
80 static struct physmap_flash_data sdp2430_flash_data
= {
82 .parts
= sdp2430_partitions
,
83 .nr_parts
= ARRAY_SIZE(sdp2430_partitions
),
86 static struct resource sdp2430_flash_resource
= {
87 .start
= SDP2430_CS0_BASE
,
88 .end
= SDP2430_CS0_BASE
+ SZ_64M
- 1,
89 .flags
= IORESOURCE_MEM
,
92 static struct platform_device sdp2430_flash_device
= {
93 .name
= "physmap-flash",
96 .platform_data
= &sdp2430_flash_data
,
99 .resource
= &sdp2430_flash_resource
,
102 static struct platform_device
*sdp2430_devices
[] __initdata
= {
103 &sdp2430_flash_device
,
107 #define SDP2430_LCD_PANEL_BACKLIGHT_GPIO 91
108 #define SDP2430_LCD_PANEL_ENABLE_GPIO 154
110 static int sdp2430_panel_enable_lcd(struct omap_dss_device
*dssdev
)
112 gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO
, 1);
113 gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO
, 1);
118 static void sdp2430_panel_disable_lcd(struct omap_dss_device
*dssdev
)
120 gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO
, 0);
121 gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO
, 0);
124 static struct panel_generic_dpi_data sdp2430_panel_data
= {
125 .name
= "nec_nl2432dr22-11b",
126 .platform_enable
= sdp2430_panel_enable_lcd
,
127 .platform_disable
= sdp2430_panel_disable_lcd
,
130 static struct omap_dss_device sdp2430_lcd_device
= {
132 .driver_name
= "generic_dpi_panel",
133 .type
= OMAP_DISPLAY_TYPE_DPI
,
134 .phy
.dpi
.data_lines
= 16,
135 .data
= &sdp2430_panel_data
,
138 static struct omap_dss_device
*sdp2430_dss_devices
[] = {
142 static struct omap_dss_board_info sdp2430_dss_data
= {
143 .num_devices
= ARRAY_SIZE(sdp2430_dss_devices
),
144 .devices
= sdp2430_dss_devices
,
145 .default_device
= &sdp2430_lcd_device
,
148 static void __init
sdp2430_display_init(void)
152 static struct gpio gpios
[] __initdata
= {
153 { SDP2430_LCD_PANEL_ENABLE_GPIO
, GPIOF_OUT_INIT_LOW
,
155 { SDP2430_LCD_PANEL_BACKLIGHT_GPIO
, GPIOF_OUT_INIT_LOW
,
159 r
= gpio_request_array(gpios
, ARRAY_SIZE(gpios
));
161 pr_err("Cannot request LCD GPIOs, error %d\n", r
);
165 omap_display_init(&sdp2430_dss_data
);
168 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE)
170 static struct omap_smc91x_platform_data board_smc91x_data
= {
173 .flags
= GPMC_MUX_ADD_DATA
| GPMC_TIMINGS_SMC91C96
|
174 IORESOURCE_IRQ_LOWLEVEL
,
178 static void __init
board_smc91x_init(void)
180 omap_mux_init_gpio(149, OMAP_PIN_INPUT
);
181 gpmc_smc91x_init(&board_smc91x_data
);
186 static inline void board_smc91x_init(void)
192 static struct regulator_consumer_supply sdp2430_vmmc1_supplies
[] = {
193 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
196 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
197 static struct regulator_init_data sdp2430_vmmc1
= {
201 .valid_modes_mask
= REGULATOR_MODE_NORMAL
202 | REGULATOR_MODE_STANDBY
,
203 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
204 | REGULATOR_CHANGE_MODE
205 | REGULATOR_CHANGE_STATUS
,
207 .num_consumer_supplies
= ARRAY_SIZE(sdp2430_vmmc1_supplies
),
208 .consumer_supplies
= &sdp2430_vmmc1_supplies
[0],
211 static struct twl4030_gpio_platform_data sdp2430_gpio_data
= {
214 static struct twl4030_platform_data sdp2430_twldata
= {
215 /* platform_data for children goes here */
216 .gpio
= &sdp2430_gpio_data
,
217 .vmmc1
= &sdp2430_vmmc1
,
220 static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo
[] = {
222 I2C_BOARD_INFO("isp1301_omap", 0x2D),
223 .flags
= I2C_CLIENT_WAKE
,
227 static int __init
omap2430_i2c_init(void)
229 sdp2430_i2c1_boardinfo
[0].irq
= gpio_to_irq(78);
230 omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo
,
231 ARRAY_SIZE(sdp2430_i2c1_boardinfo
));
232 omap_pmic_init(2, 100, "twl4030", 7 + OMAP_INTC_START
,
237 static struct omap2_hsmmc_info mmc
[] __initdata
= {
240 .caps
= MMC_CAP_4_BIT_DATA
,
248 #ifdef CONFIG_OMAP_MUX
249 static struct omap_board_mux board_mux
[] __initdata
= {
250 { .reg_offset
= OMAP_MUX_TERMINATOR
},
254 static void __init
omap_2430sdp_init(void)
256 omap2430_mux_init(board_mux
, OMAP_PACKAGE_ZAC
);
260 platform_add_devices(sdp2430_devices
, ARRAY_SIZE(sdp2430_devices
));
262 omap_sdrc_init(NULL
, NULL
);
263 omap_hsmmc_init(mmc
);
265 omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA
| OMAP_PULL_UP
);
270 /* Turn off secondary LCD backlight */
271 gpio_request_one(SECONDARY_LCD_GPIO
, GPIOF_OUT_INIT_LOW
,
272 "Secondary LCD backlight");
274 sdp2430_display_init();
277 MACHINE_START(OMAP_2430SDP
, "OMAP2430 sdp2430 board")
278 /* Maintainer: Syed Khasim - Texas Instruments Inc */
279 .atag_offset
= 0x100,
280 .reserve
= omap_reserve
,
281 .map_io
= omap243x_map_io
,
282 .init_early
= omap2430_init_early
,
283 .init_irq
= omap2_init_irq
,
284 .handle_irq
= omap2_intc_handle_irq
,
285 .init_machine
= omap_2430sdp_init
,
286 .init_late
= omap2430_init_late
,
287 .timer
= &omap2_timer
,
288 .restart
= omap2xxx_restart
,