628 lines
16 KiB
C
628 lines
16 KiB
C
/*
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* board-omap3pandora.c (Pandora Handheld Console)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/spi/spi.h>
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#include <linux/regulator/machine.h>
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#include <linux/i2c/twl.h>
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#include <linux/wl12xx.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/nand.h>
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#include <linux/leds.h>
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#include <linux/input.h>
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#include <linux/input/matrix_keypad.h>
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#include <linux/gpio.h>
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#include <linux/gpio_keys.h>
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#include <linux/mmc/host.h>
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#include <linux/mmc/card.h>
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#include <linux/regulator/fixed.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <plat/board.h>
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#include "common.h"
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#include <mach/hardware.h>
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#include <plat/mcspi.h>
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#include <plat/usb.h>
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#include <video/omapdss.h>
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#include <plat/nand.h>
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#include "mux.h"
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#include "sdram-micron-mt46h32m32lf-6.h"
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#include "hsmmc.h"
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#include "common-board-devices.h"
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#define PANDORA_WIFI_IRQ_GPIO 21
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#define PANDORA_WIFI_NRESET_GPIO 23
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#define OMAP3_PANDORA_TS_GPIO 94
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static struct mtd_partition omap3pandora_nand_partitions[] = {
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{
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.name = "xloader",
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.offset = 0,
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.size = 4 * NAND_BLOCK_SIZE,
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.mask_flags = MTD_WRITEABLE
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}, {
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.name = "uboot",
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.offset = MTDPART_OFS_APPEND,
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.size = 15 * NAND_BLOCK_SIZE,
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}, {
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.name = "uboot-env",
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.offset = MTDPART_OFS_APPEND,
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.size = 1 * NAND_BLOCK_SIZE,
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}, {
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.name = "boot",
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.offset = MTDPART_OFS_APPEND,
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.size = 80 * NAND_BLOCK_SIZE,
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}, {
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.name = "rootfs",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct omap_nand_platform_data pandora_nand_data = {
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.cs = 0,
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.devsize = NAND_BUSWIDTH_16,
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.xfer_type = NAND_OMAP_PREFETCH_DMA,
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.parts = omap3pandora_nand_partitions,
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.nr_parts = ARRAY_SIZE(omap3pandora_nand_partitions),
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};
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static struct gpio_led pandora_gpio_leds[] = {
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{
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.name = "pandora::sd1",
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.default_trigger = "mmc0",
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.gpio = 128,
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}, {
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.name = "pandora::sd2",
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.default_trigger = "mmc1",
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.gpio = 129,
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}, {
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.name = "pandora::bluetooth",
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.gpio = 158,
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}, {
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.name = "pandora::wifi",
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.gpio = 159,
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},
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};
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static struct gpio_led_platform_data pandora_gpio_led_data = {
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.leds = pandora_gpio_leds,
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.num_leds = ARRAY_SIZE(pandora_gpio_leds),
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};
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static struct platform_device pandora_leds_gpio = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &pandora_gpio_led_data,
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},
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};
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static struct platform_device pandora_backlight = {
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.name = "pandora-backlight",
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.id = -1,
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};
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#define GPIO_BUTTON(gpio_num, ev_type, ev_code, act_low, descr) \
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{ \
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.gpio = gpio_num, \
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.type = ev_type, \
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.code = ev_code, \
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.active_low = act_low, \
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.debounce_interval = 4, \
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.desc = "btn " descr, \
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}
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#define GPIO_BUTTON_LOW(gpio_num, event_code, description) \
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GPIO_BUTTON(gpio_num, EV_KEY, event_code, 1, description)
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static struct gpio_keys_button pandora_gpio_keys[] = {
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GPIO_BUTTON_LOW(110, KEY_UP, "up"),
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GPIO_BUTTON_LOW(103, KEY_DOWN, "down"),
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GPIO_BUTTON_LOW(96, KEY_LEFT, "left"),
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GPIO_BUTTON_LOW(98, KEY_RIGHT, "right"),
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GPIO_BUTTON_LOW(109, KEY_PAGEUP, "game 1"),
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GPIO_BUTTON_LOW(111, KEY_END, "game 2"),
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GPIO_BUTTON_LOW(106, KEY_PAGEDOWN, "game 3"),
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GPIO_BUTTON_LOW(101, KEY_HOME, "game 4"),
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GPIO_BUTTON_LOW(102, KEY_RIGHTSHIFT, "l"),
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GPIO_BUTTON_LOW(97, KEY_KPPLUS, "l2"),
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GPIO_BUTTON_LOW(105, KEY_RIGHTCTRL, "r"),
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GPIO_BUTTON_LOW(107, KEY_KPMINUS, "r2"),
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GPIO_BUTTON_LOW(104, KEY_LEFTCTRL, "ctrl"),
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GPIO_BUTTON_LOW(99, KEY_MENU, "menu"),
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GPIO_BUTTON_LOW(176, KEY_COFFEE, "hold"),
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GPIO_BUTTON(100, EV_KEY, KEY_LEFTALT, 0, "alt"),
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GPIO_BUTTON(108, EV_SW, SW_LID, 1, "lid"),
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};
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static struct gpio_keys_platform_data pandora_gpio_key_info = {
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.buttons = pandora_gpio_keys,
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.nbuttons = ARRAY_SIZE(pandora_gpio_keys),
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};
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static struct platform_device pandora_keys_gpio = {
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.name = "gpio-keys",
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.id = -1,
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.dev = {
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.platform_data = &pandora_gpio_key_info,
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},
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};
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static const uint32_t board_keymap[] = {
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/* row, col, code */
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KEY(0, 0, KEY_9),
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KEY(0, 1, KEY_8),
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KEY(0, 2, KEY_I),
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KEY(0, 3, KEY_J),
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KEY(0, 4, KEY_N),
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KEY(0, 5, KEY_M),
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KEY(1, 0, KEY_0),
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KEY(1, 1, KEY_7),
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KEY(1, 2, KEY_U),
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KEY(1, 3, KEY_H),
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KEY(1, 4, KEY_B),
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KEY(1, 5, KEY_SPACE),
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KEY(2, 0, KEY_BACKSPACE),
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KEY(2, 1, KEY_6),
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KEY(2, 2, KEY_Y),
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KEY(2, 3, KEY_G),
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KEY(2, 4, KEY_V),
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KEY(2, 5, KEY_FN),
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KEY(3, 0, KEY_O),
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KEY(3, 1, KEY_5),
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KEY(3, 2, KEY_T),
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KEY(3, 3, KEY_F),
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KEY(3, 4, KEY_C),
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KEY(4, 0, KEY_P),
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KEY(4, 1, KEY_4),
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KEY(4, 2, KEY_R),
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KEY(4, 3, KEY_D),
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KEY(4, 4, KEY_X),
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KEY(5, 0, KEY_K),
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KEY(5, 1, KEY_3),
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KEY(5, 2, KEY_E),
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KEY(5, 3, KEY_S),
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KEY(5, 4, KEY_Z),
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KEY(6, 0, KEY_L),
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KEY(6, 1, KEY_2),
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KEY(6, 2, KEY_W),
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KEY(6, 3, KEY_A),
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KEY(6, 4, KEY_DOT),
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KEY(7, 0, KEY_ENTER),
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KEY(7, 1, KEY_1),
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KEY(7, 2, KEY_Q),
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KEY(7, 3, KEY_LEFTSHIFT),
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KEY(7, 4, KEY_COMMA),
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};
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static struct matrix_keymap_data board_map_data = {
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.keymap = board_keymap,
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.keymap_size = ARRAY_SIZE(board_keymap),
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};
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static struct twl4030_keypad_data pandora_kp_data = {
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.keymap_data = &board_map_data,
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.rows = 8,
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.cols = 6,
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.rep = 1,
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};
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static struct omap_dss_device pandora_lcd_device = {
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.name = "lcd",
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.driver_name = "tpo_td043mtea1_panel",
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.type = OMAP_DISPLAY_TYPE_DPI,
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.phy.dpi.data_lines = 24,
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.reset_gpio = 157,
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};
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static struct omap_dss_device pandora_tv_device = {
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.name = "tv",
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.driver_name = "venc",
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.type = OMAP_DISPLAY_TYPE_VENC,
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.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
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};
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static struct omap_dss_device *pandora_dss_devices[] = {
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&pandora_lcd_device,
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&pandora_tv_device,
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};
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static struct omap_dss_board_info pandora_dss_data = {
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.num_devices = ARRAY_SIZE(pandora_dss_devices),
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.devices = pandora_dss_devices,
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.default_device = &pandora_lcd_device,
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};
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static void pandora_wl1251_init_card(struct mmc_card *card)
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{
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/*
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* We have TI wl1251 attached to MMC3. Pass this information to
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* SDIO core because it can't be probed by normal methods.
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*/
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card->quirks |= MMC_QUIRK_NONSTD_SDIO;
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card->cccr.wide_bus = 1;
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card->cis.vendor = 0x104c;
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card->cis.device = 0x9066;
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card->cis.blksize = 512;
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card->cis.max_dtr = 20000000;
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}
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static struct omap2_hsmmc_info omap3pandora_mmc[] = {
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{
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.mmc = 1,
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.caps = MMC_CAP_4_BIT_DATA,
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.gpio_cd = -EINVAL,
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.gpio_wp = 126,
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.ext_clock = 0,
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.deferred = true,
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},
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{
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.mmc = 2,
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.caps = MMC_CAP_4_BIT_DATA,
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.gpio_cd = -EINVAL,
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.gpio_wp = 127,
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.ext_clock = 1,
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.transceiver = true,
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.deferred = true,
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},
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{
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.mmc = 3,
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.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
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.gpio_cd = -EINVAL,
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.gpio_wp = -EINVAL,
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.init_card = pandora_wl1251_init_card,
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},
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{} /* Terminator */
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};
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static int omap3pandora_twl_gpio_setup(struct device *dev,
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unsigned gpio, unsigned ngpio)
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{
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int ret, gpio_32khz;
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/* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
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omap3pandora_mmc[0].gpio_cd = gpio + 0;
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omap3pandora_mmc[1].gpio_cd = gpio + 1;
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omap_hsmmc_late_init(omap3pandora_mmc);
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/* gpio + 13 drives 32kHz buffer for wifi module */
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gpio_32khz = gpio + 13;
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ret = gpio_request_one(gpio_32khz, GPIOF_OUT_INIT_HIGH, "wifi 32kHz");
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if (ret < 0) {
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pr_err("Cannot get GPIO line %d, ret=%d\n", gpio_32khz, ret);
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return -ENODEV;
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}
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return 0;
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}
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static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
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.gpio_base = OMAP_MAX_GPIO_LINES,
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.irq_base = TWL4030_GPIO_IRQ_BASE,
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.irq_end = TWL4030_GPIO_IRQ_END,
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.setup = omap3pandora_twl_gpio_setup,
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};
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static struct regulator_consumer_supply pandora_vmmc1_supply[] = {
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REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
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};
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static struct regulator_consumer_supply pandora_vmmc2_supply[] = {
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REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1")
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};
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static struct regulator_consumer_supply pandora_vmmc3_supply[] = {
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REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
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};
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static struct regulator_consumer_supply pandora_vdds_supplies[] = {
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REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
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REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
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REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi.0"),
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};
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static struct regulator_consumer_supply pandora_vcc_lcd_supply[] = {
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REGULATOR_SUPPLY("vcc", "display0"),
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};
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static struct regulator_consumer_supply pandora_usb_phy_supply[] = {
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REGULATOR_SUPPLY("hsusb1", "ehci-omap.0"),
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};
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/* ads7846 on SPI and 2 nub controllers on I2C */
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static struct regulator_consumer_supply pandora_vaux4_supplies[] = {
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REGULATOR_SUPPLY("vcc", "spi1.0"),
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REGULATOR_SUPPLY("vcc", "3-0066"),
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REGULATOR_SUPPLY("vcc", "3-0067"),
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};
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static struct regulator_consumer_supply pandora_adac_supply[] = {
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REGULATOR_SUPPLY("vcc", "soc-audio"),
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};
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/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
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static struct regulator_init_data pandora_vmmc1 = {
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.constraints = {
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.min_uV = 1850000,
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.max_uV = 3150000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = ARRAY_SIZE(pandora_vmmc1_supply),
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.consumer_supplies = pandora_vmmc1_supply,
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};
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/* VMMC2 for MMC2 pins CMD, CLK, DAT0..DAT3 (max 100 mA) */
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static struct regulator_init_data pandora_vmmc2 = {
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.constraints = {
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.min_uV = 1850000,
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.max_uV = 3150000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = ARRAY_SIZE(pandora_vmmc2_supply),
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.consumer_supplies = pandora_vmmc2_supply,
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};
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/* VAUX1 for LCD */
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static struct regulator_init_data pandora_vaux1 = {
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.constraints = {
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.min_uV = 3000000,
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.max_uV = 3000000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = ARRAY_SIZE(pandora_vcc_lcd_supply),
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.consumer_supplies = pandora_vcc_lcd_supply,
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};
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/* VAUX2 for USB host PHY */
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static struct regulator_init_data pandora_vaux2 = {
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.constraints = {
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.min_uV = 1800000,
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.max_uV = 1800000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = ARRAY_SIZE(pandora_usb_phy_supply),
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.consumer_supplies = pandora_usb_phy_supply,
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};
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/* VAUX4 for ads7846 and nubs */
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static struct regulator_init_data pandora_vaux4 = {
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.constraints = {
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.min_uV = 2800000,
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.max_uV = 2800000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = ARRAY_SIZE(pandora_vaux4_supplies),
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.consumer_supplies = pandora_vaux4_supplies,
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};
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/* VSIM for audio DAC */
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static struct regulator_init_data pandora_vsim = {
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.constraints = {
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.min_uV = 2800000,
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.max_uV = 2800000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = ARRAY_SIZE(pandora_adac_supply),
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.consumer_supplies = pandora_adac_supply,
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};
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/* Fixed regulator internal to Wifi module */
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static struct regulator_init_data pandora_vmmc3 = {
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.constraints = {
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = ARRAY_SIZE(pandora_vmmc3_supply),
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.consumer_supplies = pandora_vmmc3_supply,
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};
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static struct fixed_voltage_config pandora_vwlan = {
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.supply_name = "vwlan",
|
|
.microvolts = 1800000, /* 1.8V */
|
|
.gpio = PANDORA_WIFI_NRESET_GPIO,
|
|
.startup_delay = 50000, /* 50ms */
|
|
.enable_high = 1,
|
|
.enabled_at_boot = 0,
|
|
.init_data = &pandora_vmmc3,
|
|
};
|
|
|
|
static struct platform_device pandora_vwlan_device = {
|
|
.name = "reg-fixed-voltage",
|
|
.id = 1,
|
|
.dev = {
|
|
.platform_data = &pandora_vwlan,
|
|
},
|
|
};
|
|
|
|
static struct twl4030_bci_platform_data pandora_bci_data;
|
|
|
|
static struct twl4030_power_data pandora_power_data = {
|
|
.use_poweroff = true,
|
|
};
|
|
|
|
static struct twl4030_platform_data omap3pandora_twldata = {
|
|
.gpio = &omap3pandora_gpio_data,
|
|
.vmmc1 = &pandora_vmmc1,
|
|
.vmmc2 = &pandora_vmmc2,
|
|
.vaux1 = &pandora_vaux1,
|
|
.vaux2 = &pandora_vaux2,
|
|
.vaux4 = &pandora_vaux4,
|
|
.vsim = &pandora_vsim,
|
|
.keypad = &pandora_kp_data,
|
|
.bci = &pandora_bci_data,
|
|
.power = &pandora_power_data,
|
|
};
|
|
|
|
static struct i2c_board_info __initdata omap3pandora_i2c3_boardinfo[] = {
|
|
{
|
|
I2C_BOARD_INFO("bq27500", 0x55),
|
|
.flags = I2C_CLIENT_WAKE,
|
|
},
|
|
};
|
|
|
|
static int __init omap3pandora_i2c_init(void)
|
|
{
|
|
omap3_pmic_get_config(&omap3pandora_twldata,
|
|
TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
|
|
TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
|
|
|
|
omap3pandora_twldata.vdac->constraints.apply_uV = true;
|
|
|
|
omap3pandora_twldata.vpll2->constraints.apply_uV = true;
|
|
omap3pandora_twldata.vpll2->num_consumer_supplies =
|
|
ARRAY_SIZE(pandora_vdds_supplies);
|
|
omap3pandora_twldata.vpll2->consumer_supplies = pandora_vdds_supplies;
|
|
|
|
omap3_pmic_init("tps65950", &omap3pandora_twldata);
|
|
/* i2c2 pins are not connected */
|
|
omap_register_i2c_bus(3, 100, omap3pandora_i2c3_boardinfo,
|
|
ARRAY_SIZE(omap3pandora_i2c3_boardinfo));
|
|
return 0;
|
|
}
|
|
|
|
static struct spi_board_info omap3pandora_spi_board_info[] __initdata = {
|
|
{
|
|
.modalias = "tpo_td043mtea1_panel_spi",
|
|
.bus_num = 1,
|
|
.chip_select = 1,
|
|
.max_speed_hz = 375000,
|
|
.platform_data = &pandora_lcd_device,
|
|
}
|
|
};
|
|
|
|
static void __init pandora_wl1251_init(void)
|
|
{
|
|
struct wl12xx_platform_data pandora_wl1251_pdata;
|
|
int ret;
|
|
|
|
memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));
|
|
|
|
ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq");
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
|
|
if (pandora_wl1251_pdata.irq < 0)
|
|
goto fail_irq;
|
|
|
|
pandora_wl1251_pdata.use_eeprom = true;
|
|
ret = wl12xx_set_platform_data(&pandora_wl1251_pdata);
|
|
if (ret < 0)
|
|
goto fail_irq;
|
|
|
|
return;
|
|
|
|
fail_irq:
|
|
gpio_free(PANDORA_WIFI_IRQ_GPIO);
|
|
fail:
|
|
printk(KERN_ERR "wl1251 board initialisation failed\n");
|
|
}
|
|
|
|
static struct platform_device *omap3pandora_devices[] __initdata = {
|
|
&pandora_leds_gpio,
|
|
&pandora_keys_gpio,
|
|
&pandora_vwlan_device,
|
|
&pandora_backlight,
|
|
};
|
|
|
|
static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
|
|
|
|
.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
|
|
.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
|
|
.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
|
|
|
|
.phy_reset = true,
|
|
.reset_gpio_port[0] = -EINVAL,
|
|
.reset_gpio_port[1] = 16,
|
|
.reset_gpio_port[2] = -EINVAL
|
|
};
|
|
|
|
#ifdef CONFIG_OMAP_MUX
|
|
static struct omap_board_mux board_mux[] __initdata = {
|
|
{ .reg_offset = OMAP_MUX_TERMINATOR },
|
|
};
|
|
#endif
|
|
|
|
static void __init omap3pandora_init(void)
|
|
{
|
|
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
|
|
omap_hsmmc_init(omap3pandora_mmc);
|
|
omap3pandora_i2c_init();
|
|
pandora_wl1251_init();
|
|
platform_add_devices(omap3pandora_devices,
|
|
ARRAY_SIZE(omap3pandora_devices));
|
|
omap_display_init(&pandora_dss_data);
|
|
omap_serial_init();
|
|
omap_sdrc_init(mt46h32m32lf6_sdrc_params,
|
|
mt46h32m32lf6_sdrc_params);
|
|
spi_register_board_info(omap3pandora_spi_board_info,
|
|
ARRAY_SIZE(omap3pandora_spi_board_info));
|
|
omap_ads7846_init(1, OMAP3_PANDORA_TS_GPIO, 0, NULL);
|
|
usbhs_init(&usbhs_bdata);
|
|
usb_musb_init(NULL);
|
|
gpmc_nand_init(&pandora_nand_data);
|
|
|
|
/* Ensure SDRC pins are mux'd for self-refresh */
|
|
omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
|
|
omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
|
|
}
|
|
|
|
MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
|
|
.atag_offset = 0x100,
|
|
.reserve = omap_reserve,
|
|
.map_io = omap3_map_io,
|
|
.init_early = omap35xx_init_early,
|
|
.init_irq = omap3_init_irq,
|
|
.handle_irq = omap3_intc_handle_irq,
|
|
.init_machine = omap3pandora_init,
|
|
.timer = &omap3_timer,
|
|
.restart = omap_prcm_restart,
|
|
MACHINE_END
|