diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-palmtt.c')
| -rw-r--r-- | arch/arm/mach-omap1/board-palmtt.c | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-palmtt.c b/arch/arm/mach-omap1/board-palmtt.c new file mode 100644 index 000000000..537f0e6a2 --- /dev/null +++ b/arch/arm/mach-omap1/board-palmtt.c @@ -0,0 +1,285 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-omap1/board-palmtt.c + * + * Modified from board-palmtt2.c + * + * Modified and amended for Palm Tungsten|T + * by Marek Vasut <marek.vasut@gmail.com> + */ + +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/notifier.h> +#include <linux/clk.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/leds.h> +#include <linux/omapfb.h> +#include <linux/spi/spi.h> +#include <linux/spi/ads7846.h> +#include <linux/omap-dma.h> +#include <linux/platform_data/omap1_bl.h> +#include <linux/platform_data/leds-omap.h> +#include <linux/platform_data/keypad-omap.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include "tc.h" +#include "flash.h" +#include "mux.h" +#include "hardware.h" +#include "usb.h" +#include "common.h" + +#define PALMTT_USBDETECT_GPIO 0 +#define PALMTT_CABLE_GPIO 1 +#define PALMTT_LED_GPIO 3 +#define PALMTT_PENIRQ_GPIO 6 +#define PALMTT_MMC_WP_GPIO 8 +#define PALMTT_HDQ_GPIO 11 + +static const unsigned int palmtt_keymap[] = { + KEY(0, 0, KEY_ESC), + KEY(1, 0, KEY_SPACE), + KEY(2, 0, KEY_LEFTCTRL), + KEY(3, 0, KEY_TAB), + KEY(4, 0, KEY_ENTER), + KEY(0, 1, KEY_LEFT), + KEY(1, 1, KEY_DOWN), + KEY(2, 1, KEY_UP), + KEY(3, 1, KEY_RIGHT), + KEY(0, 2, KEY_SLEEP), + KEY(4, 2, KEY_Y), +}; + +static struct mtd_partition palmtt_partitions[] = { + { + .name = "write8k", + .offset = 0, + .size = SZ_8K, + .mask_flags = 0, + }, + { + .name = "PalmOS-BootLoader(ro)", + .offset = SZ_8K, + .size = 7 * SZ_8K, + .mask_flags = MTD_WRITEABLE, + }, + { + .name = "u-boot", + .offset = MTDPART_OFS_APPEND, + .size = 8 * SZ_8K, + .mask_flags = 0, + }, + { + .name = "PalmOS-FS(ro)", + .offset = MTDPART_OFS_APPEND, + .size = 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K, + .mask_flags = MTD_WRITEABLE, + }, + { + .name = "u-boot(rez)", + .offset = MTDPART_OFS_APPEND, + .size = SZ_128K, + .mask_flags = 0 + }, + { + .name = "empty", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0 + } +}; + +static struct physmap_flash_data palmtt_flash_data = { + .width = 2, + .set_vpp = omap1_set_vpp, + .parts = palmtt_partitions, + .nr_parts = ARRAY_SIZE(palmtt_partitions), +}; + +static struct resource palmtt_flash_resource = { + .start = OMAP_CS0_PHYS, + .end = OMAP_CS0_PHYS + SZ_8M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device palmtt_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &palmtt_flash_data, + }, + .num_resources = 1, + .resource = &palmtt_flash_resource, +}; + +static struct resource palmtt_kp_resources[] = { + [0] = { + .start = INT_KEYBOARD, + .end = INT_KEYBOARD, + .flags = IORESOURCE_IRQ, + }, +}; + +static const struct matrix_keymap_data palmtt_keymap_data = { + .keymap = palmtt_keymap, + .keymap_size = ARRAY_SIZE(palmtt_keymap), +}; + +static struct omap_kp_platform_data palmtt_kp_data = { + .rows = 6, + .cols = 3, + .keymap_data = &palmtt_keymap_data, +}; + +static struct platform_device palmtt_kp_device = { + .name = "omap-keypad", + .id = -1, + .dev = { + .platform_data = &palmtt_kp_data, + }, + .num_resources = ARRAY_SIZE(palmtt_kp_resources), + .resource = palmtt_kp_resources, +}; + +static struct platform_device palmtt_lcd_device = { + .name = "lcd_palmtt", + .id = -1, +}; + +static struct platform_device palmtt_spi_device = { + .name = "spi_palmtt", + .id = -1, +}; + +static struct omap_backlight_config palmtt_backlight_config = { + .default_intensity = 0xa0, +}; + +static struct platform_device palmtt_backlight_device = { + .name = "omap-bl", + .id = -1, + .dev = { + .platform_data= &palmtt_backlight_config, + }, +}; + +static struct omap_led_config palmtt_led_config[] = { + { + .cdev = { + .name = "palmtt:led0", + }, + .gpio = PALMTT_LED_GPIO, + }, +}; + +static struct omap_led_platform_data palmtt_led_data = { + .nr_leds = ARRAY_SIZE(palmtt_led_config), + .leds = palmtt_led_config, +}; + +static struct platform_device palmtt_led_device = { + .name = "omap-led", + .id = -1, + .dev = { + .platform_data = &palmtt_led_data, + }, +}; + +static struct platform_device *palmtt_devices[] __initdata = { + &palmtt_flash_device, + &palmtt_kp_device, + &palmtt_lcd_device, + &palmtt_spi_device, + &palmtt_backlight_device, + &palmtt_led_device, +}; + +static int palmtt_get_pendown_state(void) +{ + return !gpio_get_value(6); +} + +static const struct ads7846_platform_data palmtt_ts_info = { + .model = 7846, + .vref_delay_usecs = 100, /* internal, no capacitor */ + .x_plate_ohms = 419, + .y_plate_ohms = 486, + .get_pendown_state = palmtt_get_pendown_state, +}; + +static struct spi_board_info __initdata palmtt_boardinfo[] = { + { + /* MicroWire (bus 2) CS0 has an ads7846e */ + .modalias = "ads7846", + .platform_data = &palmtt_ts_info, + .max_speed_hz = 120000 /* max sample rate at 3V */ + * 26 /* command + data + overhead */, + .bus_num = 2, + .chip_select = 0, + } +}; + +static struct omap_usb_config palmtt_usb_config __initdata = { + .register_dev = 1, + .hmc_mode = 0, + .pins[0] = 2, +}; + +static const struct omap_lcd_config palmtt_lcd_config __initconst = { + .ctrl_name = "internal", +}; + +static void __init omap_mpu_wdt_mode(int mode) { + if (mode) + omap_writew(0x8000, OMAP_WDT_TIMER_MODE); + else { + omap_writew(0x00f5, OMAP_WDT_TIMER_MODE); + omap_writew(0x00a0, OMAP_WDT_TIMER_MODE); + } +} + +static void __init omap_palmtt_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); + + omap_mpu_wdt_mode(0); + + platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices)); + + palmtt_boardinfo[0].irq = gpio_to_irq(6); + spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo)); + omap_serial_init(); + omap1_usb_init(&palmtt_usb_config); + omap_register_i2c_bus(1, 100, NULL, 0); + + omapfb_set_lcd_config(&palmtt_lcd_config); +} + +MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T") + .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_palmtt_init, + .init_late = omap1_init_late, + .init_time = omap1_timer_init, + .restart = omap1_restart, +MACHINE_END |