summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap1/board-palmte.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap1/board-palmte.c')
-rw-r--r--arch/arm/mach-omap1/board-palmte.c267
1 files changed, 267 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..72e1979c7
--- /dev/null
+++ b/arch/arm/mach-omap1/board-palmte.c
@@ -0,0 +1,267 @@
+// 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/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,
+ },
+};
+
+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