diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-palmte.c')
| -rw-r--r-- | arch/arm/mach-omap1/board-palmte.c | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-palmte.c b/arch/arm/mach-omap1/board-palmte.c new file mode 100644 index 000000000..ce6f0fcd9 --- /dev/null +++ b/arch/arm/mach-omap1/board-palmte.c @@ -0,0 +1,269 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-omap1/board-palmte.c + * + * Modified from board-generic.c + * + * Support for the Palm Tungsten E PDA. + * + * Original version : Laurent Gonzalez + * + * Maintainers : http://palmtelinux.sf.net + * palmtelinux-developpers@lists.sf.net + * + * Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org> + */ +#include <linux/gpio.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/spi/spi.h> +#include <linux/interrupt.h> +#include <linux/apm-emulation.h> +#include <linux/omapfb.h> +#include <linux/platform_data/omap1_bl.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include "flash.h" +#include <mach/mux.h> +#include <mach/tc.h> +#include <linux/omap-dma.h> +#include <linux/platform_data/keypad-omap.h> + +#include <mach/hardware.h> +#include <mach/usb.h> + +#include "mmc.h" +#include "common.h" + +#define PALMTE_USBDETECT_GPIO 0 +#define PALMTE_USB_OR_DC_GPIO 1 +#define PALMTE_TSC_GPIO 4 +#define PALMTE_PINTDAV_GPIO 6 +#define PALMTE_MMC_WP_GPIO 8 +#define PALMTE_MMC_POWER_GPIO 9 +#define PALMTE_HDQ_GPIO 11 +#define PALMTE_HEADPHONES_GPIO 14 +#define PALMTE_SPEAKER_GPIO 15 +#define PALMTE_DC_GPIO OMAP_MPUIO(2) +#define PALMTE_MMC_SWITCH_GPIO OMAP_MPUIO(4) +#define PALMTE_MMC1_GPIO OMAP_MPUIO(6) +#define PALMTE_MMC2_GPIO OMAP_MPUIO(7) +#define PALMTE_MMC3_GPIO OMAP_MPUIO(11) + +static const unsigned int palmte_keymap[] = { + KEY(0, 0, KEY_F1), /* Calendar */ + KEY(1, 0, KEY_F2), /* Contacts */ + KEY(2, 0, KEY_F3), /* Tasks List */ + KEY(3, 0, KEY_F4), /* Note Pad */ + KEY(4, 0, KEY_POWER), + KEY(0, 1, KEY_LEFT), + KEY(1, 1, KEY_DOWN), + KEY(2, 1, KEY_UP), + KEY(3, 1, KEY_RIGHT), + KEY(4, 1, KEY_ENTER), +}; + +static const struct matrix_keymap_data palmte_keymap_data = { + .keymap = palmte_keymap, + .keymap_size = ARRAY_SIZE(palmte_keymap), +}; + +static struct omap_kp_platform_data palmte_kp_data = { + .rows = 8, + .cols = 8, + .keymap_data = &palmte_keymap_data, + .rep = true, + .delay = 12, +}; + +static struct resource palmte_kp_resources[] = { + [0] = { + .start = INT_KEYBOARD, + .end = INT_KEYBOARD, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device palmte_kp_device = { + .name = "omap-keypad", + .id = -1, + .dev = { + .platform_data = &palmte_kp_data, + }, + .num_resources = ARRAY_SIZE(palmte_kp_resources), + .resource = palmte_kp_resources, +}; + +static struct mtd_partition palmte_rom_partitions[] = { + /* PalmOS "Small ROM", contains the bootloader and the debugger */ + { + .name = "smallrom", + .offset = 0, + .size = 0xa000, + .mask_flags = MTD_WRITEABLE, + }, + /* PalmOS "Big ROM", a filesystem with all the OS code and data */ + { + .name = "bigrom", + .offset = SZ_128K, + /* + * 0x5f0000 bytes big in the multi-language ("EFIGS") version, + * 0x7b0000 bytes in the English-only ("enUS") version. + */ + .size = 0x7b0000, + .mask_flags = MTD_WRITEABLE, + }, +}; + +static struct physmap_flash_data palmte_rom_data = { + .width = 2, + .set_vpp = omap1_set_vpp, + .parts = palmte_rom_partitions, + .nr_parts = ARRAY_SIZE(palmte_rom_partitions), +}; + +static struct resource palmte_rom_resource = { + .start = OMAP_CS0_PHYS, + .end = OMAP_CS0_PHYS + SZ_8M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device palmte_rom_device = { + .name = "physmap-flash", + .id = -1, + .dev = { + .platform_data = &palmte_rom_data, + }, + .num_resources = 1, + .resource = &palmte_rom_resource, +}; + +static struct platform_device palmte_lcd_device = { + .name = "lcd_palmte", + .id = -1, +}; + +static struct omap_backlight_config palmte_backlight_config = { + .default_intensity = 0xa0, +}; + +static struct platform_device palmte_backlight_device = { + .name = "omap-bl", + .id = -1, + .dev = { + .platform_data = &palmte_backlight_config, + }, +}; + +static struct platform_device *palmte_devices[] __initdata = { + &palmte_rom_device, + &palmte_kp_device, + &palmte_lcd_device, + &palmte_backlight_device, +}; + +static struct omap_usb_config palmte_usb_config __initdata = { + .register_dev = 1, /* Mini-B only receptacle */ + .hmc_mode = 0, + .pins[0] = 2, +}; + +static const struct omap_lcd_config palmte_lcd_config __initconst = { + .ctrl_name = "internal", +}; + +static struct spi_board_info palmte_spi_info[] __initdata = { + { + .modalias = "tsc2102", + .bus_num = 2, /* uWire (officially) */ + .chip_select = 0, /* As opposed to 3 */ + .max_speed_hz = 8000000, + }, +}; + +static void __init palmte_misc_gpio_setup(void) +{ + /* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */ + if (gpio_request(PALMTE_PINTDAV_GPIO, "TSC2102 PINTDAV") < 0) { + printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n"); + return; + } + gpio_direction_input(PALMTE_PINTDAV_GPIO); + + /* Set USB-or-DC-IN pin as input (unused) */ + if (gpio_request(PALMTE_USB_OR_DC_GPIO, "USB/DC-IN") < 0) { + printk(KERN_ERR "Could not reserve cable signal GPIO!\n"); + return; + } + gpio_direction_input(PALMTE_USB_OR_DC_GPIO); +} + +#if IS_ENABLED(CONFIG_MMC_OMAP) + +static struct omap_mmc_platform_data _palmte_mmc_config = { + .nr_slots = 1, + .slots[0] = { + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, + .name = "mmcblk", + }, +}; + +static struct omap_mmc_platform_data *palmte_mmc_config[OMAP15XX_NR_MMC] = { + [0] = &_palmte_mmc_config, +}; + +static void palmte_mmc_init(void) +{ + omap1_init_mmc(palmte_mmc_config, OMAP15XX_NR_MMC); +} + +#else /* CONFIG_MMC_OMAP */ + +static void palmte_mmc_init(void) +{ +} + +#endif /* CONFIG_MMC_OMAP */ + +static void __init omap_palmte_init(void) +{ + /* mux pins for uarts */ + omap_cfg_reg(UART1_TX); + omap_cfg_reg(UART1_RTS); + omap_cfg_reg(UART2_TX); + omap_cfg_reg(UART2_RTS); + omap_cfg_reg(UART3_TX); + omap_cfg_reg(UART3_RX); + + platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices)); + + palmte_spi_info[0].irq = gpio_to_irq(PALMTE_PINTDAV_GPIO); + spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info)); + palmte_misc_gpio_setup(); + omap_serial_init(); + omap1_usb_init(&palmte_usb_config); + omap_register_i2c_bus(1, 100, NULL, 0); + + omapfb_set_lcd_config(&palmte_lcd_config); + palmte_mmc_init(); +} + +MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E") + .atag_offset = 0x100, + .map_io = omap15xx_map_io, + .init_early = omap1_init_early, + .init_irq = omap1_init_irq, + .handle_irq = omap1_handle_irq, + .init_machine = omap_palmte_init, + .init_late = omap1_init_late, + .init_time = omap1_timer_init, + .restart = omap1_restart, +MACHINE_END |