+/*
+ * linux/arch/arm/mach-omap/omap2/board-n800.c
+ *
+ * Copyright (C) 2005 Nokia Corporation
+ * Author: Juha Yrj?l? <juha.yrjola@nokia.com>
+ *
+ * Modified from mach-omap2/board-generic.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/tsc2301.h>
+#include <linux/input.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/usb.h>
+#include <asm/arch/board.h>
+#include <asm/arch/common.h>
+#include <asm/arch/mcspi.h>
+#include <asm/arch/menelaus.h>
+#include <asm/arch/lcd_mipid.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/gpio-switch.h>
+#include <asm/arch/omapfb.h>
+#include <asm/arch/blizzard.h>
+
+#include <../drivers/cbus/tahvo.h>
+
+#define N800_BLIZZARD_POWERDOWN_GPIO 15
+#define N800_STI_GPIO 62
+#define N800_CAM_SENSOR_RESET_GPIO 53
+#define N800_KEYB_IRQ_GPIO 109
+
+static void __init nokia_n800_init_irq(void)
+{
+ omap2_init_common_hw();
+ omap_init_irq();
+ omap_gpio_init();
+
+#ifdef CONFIG_OMAP_STI
+ if (omap_request_gpio(N800_STI_GPIO) < 0) {
+ printk(KERN_ERR "Failed to request GPIO %d for STI\n",
+ N800_STI_GPIO);
+ return;
+ }
+
+ omap_set_gpio_direction(N800_STI_GPIO, 0);
+ omap_set_gpio_dataout(N800_STI_GPIO, 0);
+#endif
+}
+
+#if defined(CONFIG_MENELAUS) && defined(CONFIG_SENSORS_TMP105)
+
+static int n800_tmp105_set_power(int enable)
+{
+ return menelaus_set_vaux(enable ? 2800 : 0);
+}
+
+#else
+
+#define n800_tmp105_set_power NULL
+
+#endif
+
+static struct omap_uart_config n800_uart_config __initdata = {
+ .enabled_uarts = (1 << 0) | (1 << 2),
+};
+
+#include "../../../drivers/cbus/retu.h"
+
+static struct omap_fbmem_config n800_fbmem0_config __initdata = {
+ .size = 752 * 1024,
+};
+
+static struct omap_fbmem_config n800_fbmem1_config __initdata = {
+ .size = 752 * 1024,
+};
+
+static struct omap_fbmem_config n800_fbmem2_config __initdata = {
+ .size = 752 * 1024,
+};
+
+static struct omap_tmp105_config n800_tmp105_config __initdata = {
+ .tmp105_irq_pin = 125,
+ .set_power = n800_tmp105_set_power,
+};
+
+static void mipid_shutdown(struct mipid_platform_data *pdata)
+{
+ if (pdata->nreset_gpio != -1) {
+ pr_info("shutdown LCD\n");
+ omap_set_gpio_dataout(pdata->nreset_gpio, 0);
+ msleep(120);
+ }
+}
+
+static struct mipid_platform_data n800_mipid_platform_data = {
+ .shutdown = mipid_shutdown,
+};
+
+static void __init mipid_dev_init(void)
+{
+ const struct omap_lcd_config *conf;
+
+ conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
+ if (conf != NULL) {
+ n800_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
+ n800_mipid_platform_data.data_lines = conf->data_lines;
+ }
+}
+
+static struct {
+ struct clk *sys_ck;
+} blizzard;
+
+static int blizzard_get_clocks(void)
+{
+ blizzard.sys_ck = clk_get(0, "osc_ck");
+ if (IS_ERR(blizzard.sys_ck)) {
+ printk(KERN_ERR "can't get Blizzard clock\n");
+ return PTR_ERR(blizzard.sys_ck);
+ }
+ return 0;
+}
+
+static unsigned long blizzard_get_clock_rate(struct device *dev)
+{
+ return clk_get_rate(blizzard.sys_ck);
+}
+
+static void blizzard_enable_clocks(int enable)
+{
+ if (enable)
+ clk_enable(blizzard.sys_ck);
+ else
+ clk_disable(blizzard.sys_ck);
+}
+
+static void blizzard_power_up(struct device *dev)
+{
+ /* Vcore to 1.475V */
+ tahvo_set_clear_reg_bits(0x07, 0, 0xf);
+ msleep(10);
+
+ blizzard_enable_clocks(1);
+ omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 1);
+}
+
+static void blizzard_power_down(struct device *dev)
+{
+ omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 0);
+ blizzard_enable_clocks(0);
+
+ /* Vcore to 1.005V */
+ tahvo_set_clear_reg_bits(0x07, 0xf, 0);
+}
+
+static struct blizzard_platform_data n800_blizzard_data = {
+ .power_up = blizzard_power_up,
+ .power_down = blizzard_power_down,
+ .get_clock_rate = blizzard_get_clock_rate,
+ .te_connected = 1,
+};
+
+static void __init blizzard_dev_init(void)
+{
+ int r;
+
+ r = omap_request_gpio(N800_BLIZZARD_POWERDOWN_GPIO);
+ if (r < 0)
+ return;
+ omap_set_gpio_direction(N800_BLIZZARD_POWERDOWN_GPIO, 0);
+ omap_set_gpio_dataout(N800_BLIZZARD_POWERDOWN_GPIO, 1);
+
+ blizzard_get_clocks();
+ omapfb_set_ctrl_platform_data(&n800_blizzard_data);
+}
+
+#if defined(CONFIG_CBUS_RETU) && defined(CONFIG_VIDEO_CAMERA_SENSOR_TCM825X) && \
+ defined(CONFIG_MENELAUS)
+#define SUPPORT_SENSOR
+#endif
+
+#ifdef SUPPORT_SENSOR
+
+static int sensor_okay;
+
+/*
+ * VSIM1 --> CAM_IOVDD --> IOVDD (1.8 V)
+ */
+static int tcm825x_sensor_power_on(void *data)
+{
+ int ret;
+
+ if (!sensor_okay)
+ return -ENODEV;
+
+ /* Set VMEM to 1.5V and VIO to 2.5V */
+ ret = menelaus_set_vmem(1500);
+ if (ret < 0) {
+ /* Try once more, it seems the sensor power up causes
+ * some problems on the I2C bus. */
+ ret = menelaus_set_vmem(1500);
+ if (ret < 0)
+ return ret;
+ }
+ msleep(1);
+
+ ret = menelaus_set_vio(2500);
+ if (ret < 0)
+ return ret;
+
+ /* Set VSim1 on */
+ retu_write_reg(RETU_REG_CTRL_SET, 0x0080);
+ msleep(100);
+
+ omap_set_gpio_dataout(N800_CAM_SENSOR_RESET_GPIO, 1);
+ msleep(1);
+
+ return 0;
+}
+
+static int tcm825x_sensor_power_off(void * data)
+{
+ int ret;
+
+ omap_set_gpio_dataout(N800_CAM_SENSOR_RESET_GPIO, 0);
+ msleep(1);
+
+ /* Set VSim1 off */
+ retu_write_reg(RETU_REG_CTRL_CLR, 0x0080);
+ msleep(1);
+
+ /* Set VIO_MODE to off */
+ ret = menelaus_set_vio(0);
+ if (ret < 0)
+ return ret;
+ msleep(1);
+
+ /* Set VMEM_MODE to off */
+ ret = menelaus_set_vmem(0);
+ if (ret < 0)
+ return ret;
+ msleep(1);
+
+ return 0;
+}
+
+static struct omap_camera_sensor_config n800_sensor_config = {
+ .power_on = tcm825x_sensor_power_on,
+ .power_off = tcm825x_sensor_power_off,
+};
+
+static void __init n800_cam_init(void)
+{
+ int r;
+
+ r = omap_request_gpio(N800_CAM_SENSOR_RESET_GPIO);
+ if (r < 0)
+ return;
+
+ omap_set_gpio_dataout(N800_CAM_SENSOR_RESET_GPIO, 0);
+ omap_set_gpio_direction(N800_CAM_SENSOR_RESET_GPIO, 0);
+
+ sensor_okay = 1;
+}
+
+#else
+
+static inline void n800_cam_init(void) {}
+
+#endif
+
+static struct omap_board_config_kernel n800_config[] = {
+ { OMAP_TAG_UART, &n800_uart_config },
+#ifdef SUPPORT_SENSOR
+ { OMAP_TAG_CAMERA_SENSOR, &n800_sensor_config },
+#endif
+ { OMAP_TAG_FBMEM, &n800_fbmem0_config },
+ { OMAP_TAG_FBMEM, &n800_fbmem1_config },
+ { OMAP_TAG_FBMEM, &n800_fbmem2_config },
+ { OMAP_TAG_TMP105, &n800_tmp105_config },
+};
+
+
+static int n800_get_keyb_irq_state(struct device *dev)
+{
+ return !omap_get_gpio_datain(N800_KEYB_IRQ_GPIO);
+}
+
+static struct tsc2301_platform_data tsc2301_config = {
+ .reset_gpio = 118,
+ .dav_gpio = 103,
+ .pen_int_gpio = 106,
+ .keymap = {
+ -1, /* Event for bit 0 */
+ KEY_UP, /* Event for bit 1 (up) */
+ KEY_F5, /* Event for bit 2 (home) */
+ -1, /* Event for bit 3 */
+ KEY_LEFT, /* Event for bit 4 (left) */
+ KEY_ENTER, /* Event for bit 5 (enter) */
+ KEY_RIGHT, /* Event for bit 6 (right) */
+ -1, /* Event for bit 7 */
+ KEY_ESC, /* Event for bit 8 (cycle) */
+ KEY_DOWN, /* Event for bit 9 (down) */
+ KEY_F4, /* Event for bit 10 (menu) */
+ -1, /* Event for bit 11 */
+ KEY_F8, /* Event for bit 12 (Zoom-) */
+ KEY_F6, /* Event for bit 13 (FS) */
+ KEY_F7, /* Event for bit 14 (Zoom+) */
+ -1, /* Event for bit 15 */
+ },
+ .kp_rep = 0,
+ .get_keyb_irq_state = n800_get_keyb_irq_state,
+};
+
+static void tsc2301_dev_init(void)
+{
+ int gpio = N800_KEYB_IRQ_GPIO;
+
+ if (omap_request_gpio(gpio) < 0) {
+ printk("can't get KBIRQ GPIO\n");
+ return;
+ }
+ omap_set_gpio_direction(gpio, 1);
+ tsc2301_config.keyb_int = OMAP_GPIO_IRQ(gpio);
+}
+
+static struct omap2_mcspi_device_config tsc2301_mcspi_config = {
+ .turbo_mode = 0,
+ .single_channel = 1,
+};
+
+static struct omap2_mcspi_device_config mipid_mcspi_config = {
+ .turbo_mode = 0,
+ .single_channel = 1,
+};
+
+static struct omap2_mcspi_device_config cx3110x_mcspi_config = {
+ .turbo_mode = 0,
+ .single_channel = 1,
+};
+
+static struct spi_board_info n800_spi_board_info[] __initdata = {
+ [0] = {
+ .modalias = "lcd_mipid",
+ .bus_num = 1,
+ .chip_select = 1,
+ .max_speed_hz = 4000000,
+ .controller_data= &mipid_mcspi_config,
+ .platform_data = &n800_mipid_platform_data,
+ }, [1] = {
+ .modalias = "cx3110x",
+ .bus_num = 2,
+ .chip_select = 0,
+ .max_speed_hz = 48000000,
+ .controller_data= &cx3110x_mcspi_config,
+ }, [2] = {
+ .modalias = "tsc2301",
+ .bus_num = 1,
+ .chip_select = 0,
+ .max_speed_hz = 6000000,
+ .controller_data= &tsc2301_mcspi_config,
+ .platform_data = &tsc2301_config,
+ },
+};
+
+#if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
+
+void retu_keypad_led_set_power(struct omap_pwm_led_platform_data *self,
+ int on_off)
+{
+ if (on_off) {
+ retu_write_reg(RETU_REG_CTRL_SET, 1 << 6);
+ msleep(2);
+ retu_write_reg(RETU_REG_CTRL_SET, 1 << 3);
+ } else {
+ retu_write_reg(RETU_REG_CTRL_CLR, (1 << 6) | (1 << 3));
+ }
+}
+
+static struct omap_pwm_led_platform_data n800_keypad_led_data = {
+ .name = "keypad",
+ .intensity_timer = 10,
+ .blink_timer = 9,
+ .set_power = retu_keypad_led_set_power,
+};
+
+static struct platform_device n800_keypad_led_device = {
+ .name = "omap_pwm_led",
+ .id = -1,
+ .dev = {
+ .platform_data = &n800_keypad_led_data,
+ },
+};
+#endif
+
+#if defined(CONFIG_SPI_TSC2301_TOUCHSCREEN)
+static void __init n800_ts_set_config(void)
+{
+ const struct omap_lcd_config *conf;
+
+ conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
+ if (conf != NULL) {
+ if (strcmp(conf->panel_name, "lph8923") == 0) {
+ tsc2301_config.ts_x_plate_ohm = 180;
+ tsc2301_config.ts_hw_avg = 4;
+ tsc2301_config.ts_ignore_last = 1;
+ tsc2301_config.ts_max_pressure = 255;
+ tsc2301_config.ts_stab_time = 100;
+ } else if (strcmp(conf->panel_name, "ls041y3") == 0) {
+ tsc2301_config.ts_x_plate_ohm = 280;
+ tsc2301_config.ts_hw_avg = 16;
+ tsc2301_config.ts_touch_pressure= 215;
+ tsc2301_config.ts_max_pressure = 255;
+ tsc2301_config.ts_ignore_last = 1;
+ } else {
+ printk(KERN_ERR "Unknown panel type, set default "
+ "touchscreen configuration\n");
+ tsc2301_config.ts_x_plate_ohm = 200;
+ tsc2301_config.ts_stab_time = 100;
+ }
+ }
+}
+#else
+static inline void n800_ts_set_config(void)
+{
+}
+#endif
+
+extern void n800_mmc_slot1_cover_handler(void *arg, int state);
+
+static struct omap_gpio_switch n800_gpio_switches[] __initdata = {
+ {
+ .name = "bat_cover",
+ .gpio = -1,
+ .debounce_rising = 100,
+ .debounce_falling = 0,
+ .notify = n800_mmc_slot1_cover_handler,
+ .notify_data = NULL,
+ }, {
+ .name = "headphone",
+ .gpio = -1,
+ .debounce_rising = 200,
+ .debounce_falling = 200,
+ }, {
+ .name = "cam_act",
+ .gpio = -1,
+ .debounce_rising = 200,
+ .debounce_falling = 200,
+ }, {
+ .name = "cam_turn",
+ .gpio = -1,
+ .debounce_rising = 100,
+ .debounce_falling = 100,
+ },
+};
+
+static struct platform_device *n800_devices[] __initdata = {
+#if defined(CONFIG_CBUS_RETU) && defined(CONFIG_LEDS_OMAP_PWM)
+ &n800_keypad_led_device,
+#endif
+};
+
+extern void __init n800_flash_init(void);
+extern void __init n800_mmc_init(void);
+extern void __init n800_bt_init(void);
+extern void __init n800_audio_init(struct tsc2301_platform_data *);
+extern void __init n800_dsp_init(void);
+extern void __init n800_usb_init(void);
+extern void __init n800_pm_init(void);
+
+static void __init nokia_n800_init(void)
+{
+ platform_add_devices(n800_devices, ARRAY_SIZE(n800_devices));
+ n800_flash_init();
+ n800_mmc_init();
+ n800_bt_init();
+ n800_audio_init(&tsc2301_config);
+ n800_dsp_init();
+ n800_usb_init();
+ n800_cam_init();
+ n800_ts_set_config();
+ spi_register_board_info(n800_spi_board_info,
+ ARRAY_SIZE(n800_spi_board_info));
+ omap_serial_init();
+ mipid_dev_init();
+ blizzard_dev_init();
+ tsc2301_dev_init();
+ omap_register_gpio_switches(n800_gpio_switches,
+ ARRAY_SIZE(n800_gpio_switches));
+ n800_pm_init();
+}
+
+static void __init nokia_n800_map_io(void)
+{
+ omap_board_config = n800_config;
+ omap_board_config_size = ARRAY_SIZE(n800_config);
+
+ omap2_map_common_io();
+}
+
+MACHINE_START(NOKIA_N800, "Nokia N800")
+ .phys_io = 0x48000000,
+ .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = nokia_n800_map_io,
+ .init_irq = nokia_n800_init_irq,
+ .init_machine = nokia_n800_init,
+ .timer = &omap_timer,
+MACHINE_END