2 * board-overo.c (Gumstix Overo)
4 * Initial code: Steve Sakoman <steve@sakoman.com>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
22 #include <linux/clk.h>
23 #include <linux/delay.h>
24 #include <linux/err.h>
25 #include <linux/init.h>
27 #include <linux/gpio.h>
28 #include <linux/kernel.h>
29 #include <linux/platform_device.h>
30 #include <linux/i2c/twl.h>
31 #include <linux/regulator/machine.h>
32 #include <linux/regulator/fixed.h>
33 #include <linux/spi/spi.h>
35 #include <linux/mtd/mtd.h>
36 #include <linux/mtd/nand.h>
37 #include <linux/mtd/partitions.h>
38 #include <linux/mmc/host.h>
39 #include <linux/usb/phy.h>
41 #include <linux/platform_data/mtd-nand-omap2.h>
42 #include <linux/platform_data/spi-omap2-mcspi.h>
44 #include <asm/mach-types.h>
45 #include <asm/mach/arch.h>
46 #include <asm/mach/flash.h>
47 #include <asm/mach/map.h>
49 #include <video/omapdss.h>
50 #include <video/omap-panel-data.h>
54 #include "sdram-micron-mt46h32m32lf-6.h"
57 #include "board-flash.h"
58 #include "common-board-devices.h"
62 #define OVERO_GPIO_BT_XGATE 15
63 #define OVERO_GPIO_W2W_NRESET 16
64 #define OVERO_GPIO_PENDOWN 114
65 #define OVERO_GPIO_BT_NRESET 164
66 #define OVERO_GPIO_USBH_CPEN 168
67 #define OVERO_GPIO_USBH_NRESET 183
69 #define OVERO_SMSC911X_CS 5
70 #define OVERO_SMSC911X_GPIO 176
71 #define OVERO_SMSC911X_NRESET 64
72 #define OVERO_SMSC911X2_CS 4
73 #define OVERO_SMSC911X2_GPIO 65
75 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
76 defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
78 /* fixed regulator for ads7846 */
79 static struct regulator_consumer_supply ads7846_supply
[] = {
80 REGULATOR_SUPPLY("vcc", "spi1.0"),
83 static struct regulator_init_data vads7846_regulator
= {
85 .valid_ops_mask
= REGULATOR_CHANGE_STATUS
,
87 .num_consumer_supplies
= ARRAY_SIZE(ads7846_supply
),
88 .consumer_supplies
= ads7846_supply
,
91 static struct fixed_voltage_config vads7846
= {
92 .supply_name
= "vads7846",
93 .microvolts
= 3300000, /* 3.3V */
96 .init_data
= &vads7846_regulator
,
99 static struct platform_device vads7846_device
= {
100 .name
= "reg-fixed-voltage",
103 .platform_data
= &vads7846
,
107 static void __init
overo_ads7846_init(void)
109 omap_ads7846_init(1, OVERO_GPIO_PENDOWN
, 0, NULL
);
110 platform_device_register(&vads7846_device
);
114 static inline void __init
overo_ads7846_init(void) { return; }
117 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
119 #include <linux/smsc911x.h>
120 #include "gpmc-smsc911x.h"
122 static struct omap_smsc911x_platform_data smsc911x_cfg
= {
124 .cs
= OVERO_SMSC911X_CS
,
125 .gpio_irq
= OVERO_SMSC911X_GPIO
,
126 .gpio_reset
= OVERO_SMSC911X_NRESET
,
127 .flags
= SMSC911X_USE_32BIT
,
130 static struct omap_smsc911x_platform_data smsc911x2_cfg
= {
132 .cs
= OVERO_SMSC911X2_CS
,
133 .gpio_irq
= OVERO_SMSC911X2_GPIO
,
134 .gpio_reset
= -EINVAL
,
135 .flags
= SMSC911X_USE_32BIT
,
138 static void __init
overo_init_smsc911x(void)
140 gpmc_smsc911x_init(&smsc911x_cfg
);
141 gpmc_smsc911x_init(&smsc911x2_cfg
);
145 static inline void __init
overo_init_smsc911x(void) { return; }
149 #define OVERO_GPIO_LCD_EN 144
150 #define OVERO_GPIO_LCD_BL 145
152 static struct tfp410_platform_data dvi_panel
= {
154 .power_down_gpio
= -1,
157 static struct omap_dss_device overo_dvi_device
= {
159 .type
= OMAP_DISPLAY_TYPE_DPI
,
160 .driver_name
= "tfp410",
162 .phy
.dpi
.data_lines
= 24,
165 static struct omap_dss_device overo_tv_device
= {
167 .driver_name
= "venc",
168 .type
= OMAP_DISPLAY_TYPE_VENC
,
169 .phy
.venc
.type
= OMAP_DSS_VENC_TYPE_SVIDEO
,
172 static struct panel_generic_dpi_data lcd43_panel
= {
173 .name
= "samsung_lte430wq_f0c",
181 static struct omap_dss_device overo_lcd43_device
= {
183 .type
= OMAP_DISPLAY_TYPE_DPI
,
184 .driver_name
= "generic_dpi_panel",
185 .data
= &lcd43_panel
,
186 .phy
.dpi
.data_lines
= 24,
189 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
190 defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
191 static struct panel_generic_dpi_data lcd35_panel
= {
199 static struct omap_dss_device overo_lcd35_device
= {
200 .type
= OMAP_DISPLAY_TYPE_DPI
,
202 .driver_name
= "lgphilips_lb035q02_panel",
203 .phy
.dpi
.data_lines
= 24,
204 .data
= &lcd35_panel
,
208 static struct omap_dss_device
*overo_dss_devices
[] = {
211 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
212 defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
218 static struct omap_dss_board_info overo_dss_data
= {
219 .num_devices
= ARRAY_SIZE(overo_dss_devices
),
220 .devices
= overo_dss_devices
,
221 .default_device
= &overo_dvi_device
,
224 static struct mtd_partition overo_nand_partitions
[] = {
227 .offset
= 0, /* Offset = 0x00000 */
228 .size
= 4 * NAND_BLOCK_SIZE
,
229 .mask_flags
= MTD_WRITEABLE
233 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x80000 */
234 .size
= 14 * NAND_BLOCK_SIZE
,
237 .name
= "uboot environment",
238 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x240000 */
239 .size
= 2 * NAND_BLOCK_SIZE
,
243 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x280000 */
244 .size
= 32 * NAND_BLOCK_SIZE
,
248 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x680000 */
249 .size
= MTDPART_SIZ_FULL
,
253 static struct omap2_hsmmc_info mmc
[] = {
256 .caps
= MMC_CAP_4_BIT_DATA
,
262 .caps
= MMC_CAP_4_BIT_DATA
,
266 .ocr_mask
= 0x00100000, /* 3.3V */
271 static struct regulator_consumer_supply overo_vmmc1_supply
[] = {
272 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
275 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
276 #include <linux/leds.h>
278 static struct gpio_led gpio_leds
[] = {
280 .name
= "overo:red:gpio21",
281 .default_trigger
= "heartbeat",
286 .name
= "overo:blue:gpio22",
287 .default_trigger
= "none",
292 .name
= "overo:blue:COM",
293 .default_trigger
= "mmc0",
294 .gpio
= -EINVAL
, /* gets replaced */
299 static struct gpio_led_platform_data gpio_leds_pdata
= {
301 .num_leds
= ARRAY_SIZE(gpio_leds
),
304 static struct platform_device gpio_leds_device
= {
308 .platform_data
= &gpio_leds_pdata
,
312 static void __init
overo_init_led(void)
314 platform_device_register(&gpio_leds_device
);
318 static inline void __init
overo_init_led(void) { return; }
321 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
322 #include <linux/input.h>
323 #include <linux/gpio_keys.h>
325 static struct gpio_keys_button gpio_buttons
[] = {
340 static struct gpio_keys_platform_data gpio_keys_pdata
= {
341 .buttons
= gpio_buttons
,
342 .nbuttons
= ARRAY_SIZE(gpio_buttons
),
345 static struct platform_device gpio_keys_device
= {
349 .platform_data
= &gpio_keys_pdata
,
353 static void __init
overo_init_keys(void)
355 platform_device_register(&gpio_keys_device
);
359 static inline void __init
overo_init_keys(void) { return; }
362 static int overo_twl_gpio_setup(struct device
*dev
,
363 unsigned gpio
, unsigned ngpio
)
365 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
366 /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
367 gpio_leds
[2].gpio
= gpio
+ TWL4030_GPIO_MAX
+ 1;
373 static struct twl4030_gpio_platform_data overo_gpio_data
= {
375 .setup
= overo_twl_gpio_setup
,
378 static struct regulator_init_data overo_vmmc1
= {
382 .valid_modes_mask
= REGULATOR_MODE_NORMAL
383 | REGULATOR_MODE_STANDBY
,
384 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
385 | REGULATOR_CHANGE_MODE
386 | REGULATOR_CHANGE_STATUS
,
388 .num_consumer_supplies
= ARRAY_SIZE(overo_vmmc1_supply
),
389 .consumer_supplies
= overo_vmmc1_supply
,
392 static struct twl4030_platform_data overo_twldata
= {
393 .gpio
= &overo_gpio_data
,
394 .vmmc1
= &overo_vmmc1
,
397 static int __init
overo_i2c_init(void)
399 omap3_pmic_get_config(&overo_twldata
,
400 TWL_COMMON_PDATA_USB
| TWL_COMMON_PDATA_AUDIO
,
401 TWL_COMMON_REGULATOR_VDAC
| TWL_COMMON_REGULATOR_VPLL2
);
403 overo_twldata
.vpll2
->constraints
.name
= "VDVI";
405 omap3_pmic_init("tps65950", &overo_twldata
);
406 /* i2c2 pins are used for gpio */
407 omap_register_i2c_bus(3, 400, NULL
, 0);
411 static struct spi_board_info overo_spi_board_info
[] __initdata
= {
412 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
413 defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
415 .modalias
= "lgphilips_lb035q02_panel-spi",
418 .max_speed_hz
= 500000,
424 static int __init
overo_spi_init(void)
426 overo_ads7846_init();
427 spi_register_board_info(overo_spi_board_info
,
428 ARRAY_SIZE(overo_spi_board_info
));
432 static struct usbhs_phy_data phy_data
[] __initdata
= {
435 .reset_gpio
= OVERO_GPIO_USBH_NRESET
,
440 static struct usbhs_omap_platform_data usbhs_bdata __initdata
= {
441 .port_mode
[1] = OMAP_EHCI_PORT_MODE_PHY
,
444 #ifdef CONFIG_OMAP_MUX
445 static struct omap_board_mux board_mux
[] __initdata
= {
446 { .reg_offset
= OMAP_MUX_TERMINATOR
},
450 static struct gpio overo_bt_gpios
[] __initdata
= {
451 { OVERO_GPIO_BT_XGATE
, GPIOF_OUT_INIT_LOW
, "lcd enable" },
452 { OVERO_GPIO_BT_NRESET
, GPIOF_OUT_INIT_HIGH
, "lcd bl enable" },
455 static struct regulator_consumer_supply dummy_supplies
[] = {
456 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
457 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
458 REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
459 REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
462 static void __init
overo_init(void)
466 regulator_register_fixed(0, dummy_supplies
, ARRAY_SIZE(dummy_supplies
));
467 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
469 omap_hsmmc_init(mmc
);
470 omap_display_init(&overo_dss_data
);
472 omap_sdrc_init(mt46h32m32lf6_sdrc_params
,
473 mt46h32m32lf6_sdrc_params
);
474 board_nand_init(overo_nand_partitions
,
475 ARRAY_SIZE(overo_nand_partitions
), NAND_CS
, 0, NULL
);
476 usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
479 usbhs_init_phys(phy_data
, ARRAY_SIZE(phy_data
));
480 usbhs_init(&usbhs_bdata
);
482 overo_init_smsc911x();
485 omap_twl4030_audio_init("overo", NULL
);
487 /* Ensure SDRC pins are mux'd for self-refresh */
488 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT
);
489 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT
);
491 ret
= gpio_request_one(OVERO_GPIO_W2W_NRESET
, GPIOF_OUT_INIT_HIGH
,
492 "OVERO_GPIO_W2W_NRESET");
494 gpio_export(OVERO_GPIO_W2W_NRESET
, 0);
495 gpio_set_value(OVERO_GPIO_W2W_NRESET
, 0);
497 gpio_set_value(OVERO_GPIO_W2W_NRESET
, 1);
499 pr_err("could not obtain gpio for OVERO_GPIO_W2W_NRESET\n");
502 ret
= gpio_request_array(overo_bt_gpios
, ARRAY_SIZE(overo_bt_gpios
));
504 pr_err("%s: could not obtain BT gpios\n", __func__
);
506 gpio_export(OVERO_GPIO_BT_XGATE
, 0);
507 gpio_export(OVERO_GPIO_BT_NRESET
, 0);
508 gpio_set_value(OVERO_GPIO_BT_NRESET
, 0);
510 gpio_set_value(OVERO_GPIO_BT_NRESET
, 1);
513 ret
= gpio_request_one(OVERO_GPIO_USBH_CPEN
, GPIOF_OUT_INIT_HIGH
,
514 "OVERO_GPIO_USBH_CPEN");
516 gpio_export(OVERO_GPIO_USBH_CPEN
, 0);
518 pr_err("could not obtain gpio for OVERO_GPIO_USBH_CPEN\n");
521 MACHINE_START(OVERO
, "Gumstix Overo")
522 .atag_offset
= 0x100,
523 .reserve
= omap_reserve
,
524 .map_io
= omap3_map_io
,
525 .init_early
= omap35xx_init_early
,
526 .init_irq
= omap3_init_irq
,
527 .handle_irq
= omap3_intc_handle_irq
,
528 .init_machine
= overo_init
,
529 .init_late
= omap35xx_init_late
,
530 .init_time
= omap3_sync32k_timer_init
,
531 .restart
= omap3xxx_restart
,