diff options
Diffstat (limited to 'kernel/arch/arm/mach-pxa/palmtx.c')
| -rw-r--r-- | kernel/arch/arm/mach-pxa/palmtx.c | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-pxa/palmtx.c b/kernel/arch/arm/mach-pxa/palmtx.c new file mode 100644 index 000000000..83f830dd8 --- /dev/null +++ b/kernel/arch/arm/mach-pxa/palmtx.c @@ -0,0 +1,376 @@ +/* + * Hardware definitions for PalmTX + * + * Author: Marek Vasut <marek.vasut@gmail.com> + * + * Based on work of: + * Alex Osborne <ato@meshy.org> + * Cristiano P. <cristianop@users.sourceforge.net> + * Jan Herman <2hp@seznam.cz> + * Michal Hrusecky + * + * 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. + * + * (find more info at www.hackndev.com) + * + */ + +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <linux/pda_power.h> +#include <linux/pwm_backlight.h> +#include <linux/gpio.h> +#include <linux/wm97xx.h> +#include <linux/power_supply.h> +#include <linux/usb/gpio_vbus.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/physmap.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/pxa27x.h> +#include <mach/audio.h> +#include <mach/palmtx.h> +#include <linux/platform_data/mmc-pxamci.h> +#include <linux/platform_data/video-pxafb.h> +#include <linux/platform_data/irda-pxaficp.h> +#include <linux/platform_data/keypad-pxa27x.h> +#include <mach/udc.h> +#include <linux/platform_data/asoc-palm27x.h> +#include <mach/palm27x.h> + +#include "generic.h" +#include "devices.h" + +/****************************************************************************** + * Pin configuration + ******************************************************************************/ +static unsigned long palmtx_pin_config[] __initdata = { + /* MMC */ + GPIO32_MMC_CLK, + GPIO92_MMC_DAT_0, + GPIO109_MMC_DAT_1, + GPIO110_MMC_DAT_2, + GPIO111_MMC_DAT_3, + GPIO112_MMC_CMD, + GPIO14_GPIO, /* SD detect */ + GPIO114_GPIO, /* SD power */ + GPIO115_GPIO, /* SD r/o switch */ + + /* AC97 */ + GPIO28_AC97_BITCLK, + GPIO29_AC97_SDATA_IN_0, + GPIO30_AC97_SDATA_OUT, + GPIO31_AC97_SYNC, + GPIO89_AC97_SYSCLK, + GPIO95_AC97_nRESET, + + /* IrDA */ + GPIO40_GPIO, /* ir disable */ + GPIO46_FICP_RXD, + GPIO47_FICP_TXD, + + /* PWM */ + GPIO16_PWM0_OUT, + + /* USB */ + GPIO13_GPIO, /* usb detect */ + GPIO93_GPIO, /* usb power */ + + /* PCMCIA */ + GPIO48_nPOE, + GPIO49_nPWE, + GPIO50_nPIOR, + GPIO51_nPIOW, + GPIO85_nPCE_1, + GPIO54_nPCE_2, + GPIO79_PSKTSEL, + GPIO55_nPREG, + GPIO56_nPWAIT, + GPIO57_nIOIS16, + GPIO94_GPIO, /* wifi power 1 */ + GPIO108_GPIO, /* wifi power 2 */ + GPIO116_GPIO, /* wifi ready */ + + /* MATRIX KEYPAD */ + GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, + GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, + GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, + GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, + GPIO103_KP_MKOUT_0, + GPIO104_KP_MKOUT_1, + GPIO105_KP_MKOUT_2, + + /* LCD */ + GPIOxx_LCD_TFT_16BPP, + + /* FFUART */ + GPIO34_FFUART_RXD, + GPIO39_FFUART_TXD, + + /* NAND */ + GPIO15_nCS_1, + GPIO18_RDY, + + /* MISC. */ + GPIO10_GPIO, /* hotsync button */ + GPIO12_GPIO, /* power detect */ + GPIO107_GPIO, /* earphone detect */ +}; + +/****************************************************************************** + * NOR Flash + ******************************************************************************/ +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) +static struct mtd_partition palmtx_partitions[] = { + { + .name = "Flash", + .offset = 0x00000000, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0 + } +}; + +static struct physmap_flash_data palmtx_flash_data[] = { + { + .width = 2, /* bankwidth in bytes */ + .parts = palmtx_partitions, + .nr_parts = ARRAY_SIZE(palmtx_partitions) + } +}; + +static struct resource palmtx_flash_resource = { + .start = PXA_CS0_PHYS, + .end = PXA_CS0_PHYS + SZ_8M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device palmtx_flash = { + .name = "physmap-flash", + .id = 0, + .resource = &palmtx_flash_resource, + .num_resources = 1, + .dev = { + .platform_data = palmtx_flash_data, + }, +}; + +static void __init palmtx_nor_init(void) +{ + platform_device_register(&palmtx_flash); +} +#else +static inline void palmtx_nor_init(void) {} +#endif + +/****************************************************************************** + * GPIO keyboard + ******************************************************************************/ +#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) +static const unsigned int palmtx_matrix_keys[] = { + KEY(0, 0, KEY_POWER), + KEY(0, 1, KEY_F1), + KEY(0, 2, KEY_ENTER), + + KEY(1, 0, KEY_F2), + KEY(1, 1, KEY_F3), + KEY(1, 2, KEY_F4), + + KEY(2, 0, KEY_UP), + KEY(2, 2, KEY_DOWN), + + KEY(3, 0, KEY_RIGHT), + KEY(3, 2, KEY_LEFT), +}; + +static struct matrix_keymap_data palmtx_matrix_keymap_data = { + .keymap = palmtx_matrix_keys, + .keymap_size = ARRAY_SIZE(palmtx_matrix_keys), +}; + +static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = { + .matrix_key_rows = 4, + .matrix_key_cols = 3, + .matrix_keymap_data = &palmtx_matrix_keymap_data, + + .debounce_interval = 30, +}; + +static void __init palmtx_kpc_init(void) +{ + pxa_set_keypad_info(&palmtx_keypad_platform_data); +} +#else +static inline void palmtx_kpc_init(void) {} +#endif + +/****************************************************************************** + * GPIO keys + ******************************************************************************/ +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button palmtx_pxa_buttons[] = { + {KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" }, +}; + +static struct gpio_keys_platform_data palmtx_pxa_keys_data = { + .buttons = palmtx_pxa_buttons, + .nbuttons = ARRAY_SIZE(palmtx_pxa_buttons), +}; + +static struct platform_device palmtx_pxa_keys = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &palmtx_pxa_keys_data, + }, +}; + +static void __init palmtx_keys_init(void) +{ + platform_device_register(&palmtx_pxa_keys); +} +#else +static inline void palmtx_keys_init(void) {} +#endif + +/****************************************************************************** + * NAND Flash + ******************************************************************************/ +#if defined(CONFIG_MTD_NAND_PLATFORM) || \ + defined(CONFIG_MTD_NAND_PLATFORM_MODULE) +static void palmtx_nand_cmd_ctl(struct mtd_info *mtd, int cmd, + unsigned int ctrl) +{ + struct nand_chip *this = mtd->priv; + char __iomem *nandaddr = this->IO_ADDR_W; + + if (cmd == NAND_CMD_NONE) + return; + + if (ctrl & NAND_CLE) + writeb(cmd, PALMTX_NAND_CLE_VIRT); + else if (ctrl & NAND_ALE) + writeb(cmd, PALMTX_NAND_ALE_VIRT); + else + writeb(cmd, nandaddr); +} + +static struct mtd_partition palmtx_partition_info[] = { + [0] = { + .name = "palmtx-0", + .offset = 0, + .size = MTDPART_SIZ_FULL + }, +}; + +struct platform_nand_data palmtx_nand_platdata = { + .chip = { + .nr_chips = 1, + .chip_offset = 0, + .nr_partitions = ARRAY_SIZE(palmtx_partition_info), + .partitions = palmtx_partition_info, + .chip_delay = 20, + }, + .ctrl = { + .cmd_ctrl = palmtx_nand_cmd_ctl, + }, +}; + +static struct resource palmtx_nand_resource[] = { + [0] = { + .start = PXA_CS1_PHYS, + .end = PXA_CS1_PHYS + SZ_1M - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device palmtx_nand = { + .name = "gen_nand", + .num_resources = ARRAY_SIZE(palmtx_nand_resource), + .resource = palmtx_nand_resource, + .id = -1, + .dev = { + .platform_data = &palmtx_nand_platdata, + } +}; + +static void __init palmtx_nand_init(void) +{ + platform_device_register(&palmtx_nand); +} +#else +static inline void palmtx_nand_init(void) {} +#endif + +/****************************************************************************** + * Machine init + ******************************************************************************/ +static struct map_desc palmtx_io_desc[] __initdata = { +{ + .virtual = (unsigned long)PALMTX_PCMCIA_VIRT, + .pfn = __phys_to_pfn(PALMTX_PCMCIA_PHYS), + .length = PALMTX_PCMCIA_SIZE, + .type = MT_DEVICE, +}, { + .virtual = (unsigned long)PALMTX_NAND_ALE_VIRT, + .pfn = __phys_to_pfn(PALMTX_NAND_ALE_PHYS), + .length = SZ_1M, + .type = MT_DEVICE, +}, { + .virtual = (unsigned long)PALMTX_NAND_CLE_VIRT, + .pfn = __phys_to_pfn(PALMTX_NAND_CLE_PHYS), + .length = SZ_1M, + .type = MT_DEVICE, +} +}; + +static void __init palmtx_map_io(void) +{ + pxa27x_map_io(); + iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc)); +} + +static void __init palmtx_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config)); + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + + palm27x_mmc_init(GPIO_NR_PALMTX_SD_DETECT_N, GPIO_NR_PALMTX_SD_READONLY, + GPIO_NR_PALMTX_SD_POWER, 0); + palm27x_pm_init(PALMTX_STR_BASE); + palm27x_lcd_init(-1, &palm_320x480_lcd_mode); + palm27x_udc_init(GPIO_NR_PALMTX_USB_DETECT_N, + GPIO_NR_PALMTX_USB_PULLUP, 1); + palm27x_irda_init(GPIO_NR_PALMTX_IR_DISABLE); + palm27x_ac97_init(PALMTX_BAT_MIN_VOLTAGE, PALMTX_BAT_MAX_VOLTAGE, + GPIO_NR_PALMTX_EARPHONE_DETECT, 95); + palm27x_pwm_init(GPIO_NR_PALMTX_BL_POWER, GPIO_NR_PALMTX_LCD_POWER); + palm27x_power_init(GPIO_NR_PALMTX_POWER_DETECT, -1); + palm27x_pmic_init(); + palmtx_kpc_init(); + palmtx_keys_init(); + palmtx_nor_init(); + palmtx_nand_init(); +} + +MACHINE_START(PALMTX, "Palm T|X") + .atag_offset = 0x100, + .map_io = palmtx_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa27x_init_irq, + .handle_irq = pxa27x_handle_irq, + .init_time = pxa_timer_init, + .init_machine = palmtx_init, + .restart = pxa_restart, +MACHINE_END |