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// 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/machine.h>
#include <linux/gpio/consumer.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/omap-dma.h>
#include <linux/platform_data/keypad-omap.h>
#include <linux/platform_data/omap1_bl.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 "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,
},
};
#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 struct gpiod_lookup_table palmte_irq_gpio_table = {
.dev_id = NULL,
.table = {
/* GPIO used for TSC2102 PINTDAV IRQ */
GPIO_LOOKUP("gpio-0-15", PALMTE_PINTDAV_GPIO, "tsc2102_irq",
GPIO_ACTIVE_HIGH),
/* GPIO used for USB or DC input detection */
GPIO_LOOKUP("gpio-0-15", PALMTE_USB_OR_DC_GPIO, "usb_dc_irq",
GPIO_ACTIVE_HIGH),
{ }
},
};
static void __init omap_palmte_init(void)
{
struct gpio_desc *d;
/* 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));
gpiod_add_lookup_table(&palmte_irq_gpio_table);
d = gpiod_get(NULL, "tsc2102_irq", GPIOD_IN);
if (IS_ERR(d))
pr_err("Unable to get TSC2102 IRQ GPIO descriptor\n");
else
palmte_spi_info[0].irq = gpiod_to_irq(d);
spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info));
/* We are getting this just to set it up as input */
d = gpiod_get(NULL, "usb_dc_irq", GPIOD_IN);
if (IS_ERR(d))
pr_err("Unable to get USB/DC IRQ GPIO descriptor\n");
else
gpiod_put(d);
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 = omap1_map_io,
.init_early = omap1_init_early,
.init_irq = omap1_init_irq,
.init_machine = omap_palmte_init,
.init_late = omap1_init_late,
.init_time = omap1_timer_init,
.restart = omap1_restart,
MACHINE_END
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