linux/arch/arm/mach-omap1/board-palmtt.c

288 lines
6.2 KiB
C

// 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/platform_data/omap1_bl.h>
#include <linux/platform_data/leds-omap.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include "flash.h"
#include <mach/mux.h>
#include <linux/omap-dma.h>
#include <mach/tc.h>
#include <linux/platform_data/keypad-omap.h>
#include <mach/hardware.h>
#include <mach/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