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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/mach-omap1/board-palmtt.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-omap1/board-palmtt.c')
-rw-r--r--arch/arm/mach-omap1/board-palmtt.c285
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
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+// 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