/* * Support for HTC Magician PDA phones: * i-mate JAM, O2 Xda mini, Orange SPV M500, Qtek s100, Qtek s110 * and T-Mobile MDA Compact. * * Copyright (c) 2006-2007 Philipp Zabel * * Based on hx4700.c, spitz.c and others. * * 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/platform_device.h> #include <linux/delay.h> #include <linux/gpio.h> #include <linux/gpio_keys.h> #include <linux/input.h> #include <linux/mfd/htc-egpio.h> #include <linux/mfd/htc-pasic3.h> #include <linux/mtd/physmap.h> #include <linux/pda_power.h> #include <linux/pwm_backlight.h> #include <linux/regulator/driver.h> #include <linux/regulator/gpio-regulator.h> #include <linux/regulator/machine.h> #include <linux/usb/gpio_vbus.h> #include <linux/i2c/pxa-i2c.h> #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/system_info.h> #include <mach/pxa27x.h> #include <mach/magician.h> #include <linux/platform_data/video-pxafb.h> #include <linux/platform_data/mmc-pxamci.h> #include <linux/platform_data/irda-pxaficp.h> #include <linux/platform_data/usb-ohci-pxa27x.h> #include "devices.h" #include "generic.h" static unsigned long magician_pin_config[] __initdata = { /* SDRAM and Static Memory I/O Signals */ GPIO20_nSDCS_2, GPIO21_nSDCS_3, GPIO15_nCS_1, GPIO78_nCS_2, /* PASIC3 */ GPIO79_nCS_3, /* EGPIO CPLD */ GPIO80_nCS_4, GPIO33_nCS_5, /* I2C */ GPIO117_I2C_SCL, GPIO118_I2C_SDA, /* PWM 0 */ GPIO16_PWM0_OUT, /* I2S */ GPIO28_I2S_BITCLK_OUT, GPIO29_I2S_SDATA_IN, GPIO31_I2S_SYNC, GPIO113_I2S_SYSCLK, /* SSP 1 */ GPIO23_SSP1_SCLK, GPIO24_SSP1_SFRM, GPIO25_SSP1_TXD, /* SSP 2 */ GPIO19_SSP2_SCLK, GPIO14_SSP2_SFRM, GPIO89_SSP2_TXD, GPIO88_SSP2_RXD, /* MMC */ GPIO32_MMC_CLK, GPIO92_MMC_DAT_0, GPIO109_MMC_DAT_1, GPIO110_MMC_DAT_2, GPIO111_MMC_DAT_3, GPIO112_MMC_CMD, /* LCD */ GPIOxx_LCD_TFT_16BPP, /* QCI */ GPIO12_CIF_DD_7, GPIO17_CIF_DD_6, GPIO50_CIF_DD_3, GPIO51_CIF_DD_2, GPIO52_CIF_DD_4, GPIO53_CIF_MCLK, GPIO54_CIF_PCLK, GPIO55_CIF_DD_1, GPIO81_CIF_DD_0, GPIO82_CIF_DD_5, GPIO84_CIF_FV, GPIO85_CIF_LV, /* Magician specific input GPIOs */ GPIO9_GPIO, /* unknown */ GPIO10_GPIO, /* GSM_IRQ */ GPIO13_GPIO, /* CPLD_IRQ */ GPIO107_GPIO, /* DS1WM_IRQ */ GPIO108_GPIO, /* GSM_READY */ GPIO115_GPIO, /* nPEN_IRQ */ /* I2C */ GPIO117_I2C_SCL, GPIO118_I2C_SDA, }; /* * IRDA */ static struct pxaficp_platform_data magician_ficp_info = { .gpio_pwdown = GPIO83_MAGICIAN_nIR_EN, .transceiver_cap = IR_SIRMODE | IR_OFF, }; /* * GPIO Keys */ #define INIT_KEY(_code, _gpio, _desc) \ { \ .code = KEY_##_code, \ .gpio = _gpio, \ .desc = _desc, \ .type = EV_KEY, \ .wakeup = 1, \ } static struct gpio_keys_button magician_button_table[] = { INIT_KEY(POWER, GPIO0_MAGICIAN_KEY_POWER, "Power button"), INIT_KEY(ESC, GPIO37_MAGICIAN_KEY_HANGUP, "Hangup button"), INIT_KEY(F10, GPIO38_MAGICIAN_KEY_CONTACTS, "Contacts button"), INIT_KEY(CALENDAR, GPIO90_MAGICIAN_KEY_CALENDAR, "Calendar button"), INIT_KEY(CAMERA, GPIO91_MAGICIAN_KEY_CAMERA, "Camera button"), INIT_KEY(UP, GPIO93_MAGICIAN_KEY_UP, "Up button"), INIT_KEY(DOWN, GPIO94_MAGICIAN_KEY_DOWN, "Down button"), INIT_KEY(LEFT, GPIO95_MAGICIAN_KEY_LEFT, "Left button"), INIT_KEY(RIGHT, GPIO96_MAGICIAN_KEY_RIGHT, "Right button"), INIT_KEY(KPENTER, GPIO97_MAGICIAN_KEY_ENTER, "Action button"), INIT_KEY(RECORD, GPIO98_MAGICIAN_KEY_RECORD, "Record button"), INIT_KEY(VOLUMEUP, GPIO100_MAGICIAN_KEY_VOL_UP, "Volume up"), INIT_KEY(VOLUMEDOWN, GPIO101_MAGICIAN_KEY_VOL_DOWN, "Volume down"), INIT_KEY(PHONE, GPIO102_MAGICIAN_KEY_PHONE, "Phone button"), INIT_KEY(PLAY, GPIO99_MAGICIAN_HEADPHONE_IN, "Headset button"), }; static struct gpio_keys_platform_data gpio_keys_data = { .buttons = magician_button_table, .nbuttons = ARRAY_SIZE(magician_button_table), }; static struct platform_device gpio_keys = { .name = "gpio-keys", .dev = { .platform_data = &gpio_keys_data, }, .id = -1, }; /* * EGPIO (Xilinx CPLD) * * 7 32-bit aligned 8-bit registers: 3x output, 1x irq, 3x input */ static struct resource egpio_resources[] = { [0] = { .start = PXA_CS3_PHYS, .end = PXA_CS3_PHYS + 0x20 - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ), .end = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ), .flags = IORESOURCE_IRQ, }, }; static struct htc_egpio_chip egpio_chips[] = { [0] = { .reg_start = 0, .gpio_base = MAGICIAN_EGPIO(0, 0), .num_gpios = 24, .direction = HTC_EGPIO_OUTPUT, .initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */ }, [1] = { .reg_start = 4, .gpio_base = MAGICIAN_EGPIO(4, 0), .num_gpios = 24, .direction = HTC_EGPIO_INPUT, }, }; static struct htc_egpio_platform_data egpio_info = { .reg_width = 8, .bus_width = 32, .irq_base = IRQ_BOARD_START, .num_irqs = 4, .ack_register = 3, .chip = egpio_chips, .num_chips = ARRAY_SIZE(egpio_chips), }; static struct platform_device egpio = { .name = "htc-egpio", .id = -1, .resource = egpio_resources, .num_resources = ARRAY_SIZE(egpio_resources), .dev = { .platform_data = &egpio_info, }, }; /* * LCD - Toppoly TD028STEB1 or Samsung LTP280QV */ static struct pxafb_mode_info toppoly_modes[] = { { .pixclock = 96153, .bpp = 16, .xres = 240, .yres = 320, .hsync_len = 11, .vsync_len = 3, .left_margin = 19, .upper_margin = 2, .right_margin = 10, .lower_margin = 2, .sync = 0, }, }; static struct pxafb_mode_info samsung_modes[] = { { .pixclock = 96153, .bpp = 16, .xres = 240, .yres = 320, .hsync_len = 8, .vsync_len = 4, .left_margin = 9, .upper_margin = 4, .right_margin = 9, .lower_margin = 4, .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, }, }; static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si) { pr_debug("Toppoly LCD power\n"); if (on) { pr_debug("on\n"); gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1); gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1); udelay(2000); gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1); udelay(2000); /* FIXME: enable LCDC here */ udelay(2000); gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1); udelay(2000); gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1); } else { pr_debug("off\n"); msleep(15); gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0); udelay(500); gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0); udelay(1000); gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0); gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0); } } static void samsung_lcd_power(int on, struct fb_var_screeninfo *si) { pr_debug("Samsung LCD power\n"); if (on) { pr_debug("on\n"); if (system_rev < 3) gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1); else gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1); mdelay(10); gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1); mdelay(10); gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1); mdelay(30); gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1); mdelay(10); } else { pr_debug("off\n"); mdelay(10); gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0); mdelay(30); gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0); mdelay(10); gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0); mdelay(10); if (system_rev < 3) gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0); else gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0); } } static struct pxafb_mach_info toppoly_info = { .modes = toppoly_modes, .num_modes = 1, .fixed_modes = 1, .lcd_conn = LCD_COLOR_TFT_16BPP, .pxafb_lcd_power = toppoly_lcd_power, }; static struct pxafb_mach_info samsung_info = { .modes = samsung_modes, .num_modes = 1, .fixed_modes = 1, .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |\ LCD_ALTERNATE_MAPPING, .pxafb_lcd_power = samsung_lcd_power, }; /* * Backlight */ static struct gpio magician_bl_gpios[] = { { EGPIO_MAGICIAN_BL_POWER, GPIOF_DIR_OUT, "Backlight power" }, { EGPIO_MAGICIAN_BL_POWER2, GPIOF_DIR_OUT, "Backlight power 2" }, }; static int magician_backlight_init(struct device *dev) { return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios)); } static int magician_backlight_notify(struct device *dev, int brightness) { gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness); if (brightness >= 200) { gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1); return brightness - 72; } else { gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0); return brightness; } } static void magician_backlight_exit(struct device *dev) { gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios)); } static struct platform_pwm_backlight_data backlight_data = { .pwm_id = 0, .max_brightness = 272, .dft_brightness = 100, .pwm_period_ns = 30923, .init = magician_backlight_init, .notify = magician_backlight_notify, .exit = magician_backlight_exit, }; static struct platform_device backlight = { .name = "pwm-backlight", .id = -1, .dev = { .parent = &pxa27x_device_pwm0.dev, .platform_data = &backlight_data, }, }; /* * LEDs */ static struct gpio_led gpio_leds[] = { { .name = "magician::vibra", .default_trigger = "none", .gpio = GPIO22_MAGICIAN_VIBRA_EN, }, { .name = "magician::phone_bl", .default_trigger = "backlight", .gpio = GPIO103_MAGICIAN_LED_KP, }, }; static struct gpio_led_platform_data gpio_led_info = { .leds = gpio_leds, .num_leds = ARRAY_SIZE(gpio_leds), }; static struct platform_device leds_gpio = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &gpio_led_info, }, }; static struct pasic3_led pasic3_leds[] = { { .led = { .name = "magician:red", .default_trigger = "ds2760-battery.0-charging", }, .hw_num = 0, .bit2 = PASIC3_BIT2_LED0, .mask = PASIC3_MASK_LED0, }, { .led = { .name = "magician:green", .default_trigger = "ds2760-battery.0-charging-or-full", }, .hw_num = 1, .bit2 = PASIC3_BIT2_LED1, .mask = PASIC3_MASK_LED1, }, { .led = { .name = "magician:blue", .default_trigger = "bluetooth", }, .hw_num = 2, .bit2 = PASIC3_BIT2_LED2, .mask = PASIC3_MASK_LED2, }, }; static struct pasic3_leds_machinfo pasic3_leds_info = { .num_leds = ARRAY_SIZE(pasic3_leds), .power_gpio = EGPIO_MAGICIAN_LED_POWER, .leds = pasic3_leds, }; /* * PASIC3 with DS1WM */ static struct resource pasic3_resources[] = { [0] = { .start = PXA_CS2_PHYS, .end = PXA_CS2_PHYS + 0x1b, .flags = IORESOURCE_MEM, }, /* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */ [1] = { .start = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ), .end = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ), .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, } }; static struct pasic3_platform_data pasic3_platform_data = { .led_pdata = &pasic3_leds_info, .clock_rate = 4000000, }; static struct platform_device pasic3 = { .name = "pasic3", .id = -1, .num_resources = ARRAY_SIZE(pasic3_resources), .resource = pasic3_resources, .dev = { .platform_data = &pasic3_platform_data, }, }; /* * USB "Transceiver" */ static struct resource gpio_vbus_resource = { .flags = IORESOURCE_IRQ, .start = IRQ_MAGICIAN_VBUS, .end = IRQ_MAGICIAN_VBUS, }; static struct gpio_vbus_mach_info gpio_vbus_info = { .gpio_pullup = GPIO27_MAGICIAN_USBC_PUEN, .gpio_vbus = EGPIO_MAGICIAN_CABLE_STATE_USB, }; static struct platform_device gpio_vbus = { .name = "gpio-vbus", .id = -1, .num_resources = 1, .resource = &gpio_vbus_resource, .dev = { .platform_data = &gpio_vbus_info, }, }; /* * External power */ static int power_supply_init(struct device *dev) { return gpio_request(EGPIO_MAGICIAN_CABLE_STATE_AC, "CABLE_STATE_AC"); } static int magician_is_ac_online(void) { return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_AC); } static void power_supply_exit(struct device *dev) { gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC); } static char *magician_supplicants[] = { "ds2760-battery.0", "backup-battery" }; static struct pda_power_pdata power_supply_info = { .init = power_supply_init, .is_ac_online = magician_is_ac_online, .exit = power_supply_exit, .supplied_to = magician_supplicants, .num_supplicants = ARRAY_SIZE(magician_supplicants), }; static struct resource power_supply_resources[] = { [0] = { .name = "ac", .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE, .start = IRQ_MAGICIAN_VBUS, .end = IRQ_MAGICIAN_VBUS, }, [1] = { .name = "usb", .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE, .start = IRQ_MAGICIAN_VBUS, .end = IRQ_MAGICIAN_VBUS, }, }; static struct platform_device power_supply = { .name = "pda-power", .id = -1, .dev = { .platform_data = &power_supply_info, }, .resource = power_supply_resources, .num_resources = ARRAY_SIZE(power_supply_resources), }; /* * Battery charger */ static struct regulator_consumer_supply bq24022_consumers[] = { REGULATOR_SUPPLY("vbus_draw", NULL), REGULATOR_SUPPLY("ac_draw", NULL), }; static struct regulator_init_data bq24022_init_data = { .constraints = { .max_uA = 500000, .valid_ops_mask = REGULATOR_CHANGE_CURRENT | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = ARRAY_SIZE(bq24022_consumers), .consumer_supplies = bq24022_consumers, }; static struct gpio bq24022_gpios[] = { { EGPIO_MAGICIAN_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" }, }; static struct gpio_regulator_state bq24022_states[] = { { .value = 100000, .gpios = (0 << 0) }, { .value = 500000, .gpios = (1 << 0) }, }; static struct gpio_regulator_config bq24022_info = { .supply_name = "bq24022", .enable_gpio = GPIO30_MAGICIAN_BQ24022_nCHARGE_EN, .enable_high = 0, .enabled_at_boot = 0, .gpios = bq24022_gpios, .nr_gpios = ARRAY_SIZE(bq24022_gpios), .states = bq24022_states, .nr_states = ARRAY_SIZE(bq24022_states), .type = REGULATOR_CURRENT, .init_data = &bq24022_init_data, }; static struct platform_device bq24022 = { .name = "gpio-regulator", .id = -1, .dev = { .platform_data = &bq24022_info, }, }; /* * MMC/SD */ static int magician_mci_init(struct device *dev, irq_handler_t detect_irq, void *data) { return request_irq(IRQ_MAGICIAN_SD, detect_irq, IRQF_DISABLED, "mmc card detect", data); } static void magician_mci_exit(struct device *dev, void *data) { free_irq(IRQ_MAGICIAN_SD, data); } static struct pxamci_platform_data magician_mci_info = { .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, .init = magician_mci_init, .exit = magician_mci_exit, .gpio_card_detect = -1, .gpio_card_ro = EGPIO_MAGICIAN_nSD_READONLY, .gpio_card_ro_invert = 1, .gpio_power = EGPIO_MAGICIAN_SD_POWER, }; /* * USB OHCI */ static struct pxaohci_platform_data magician_ohci_info = { .port_mode = PMM_PERPORT_MODE, .flags = ENABLE_PORT1 | ENABLE_PORT3 | POWER_CONTROL_LOW, .power_budget = 0, }; /* * StrataFlash */ static void magician_set_vpp(struct platform_device *pdev, int vpp) { gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp); } static struct resource strataflash_resource = { .start = PXA_CS0_PHYS, .end = PXA_CS0_PHYS + SZ_64M - 1, .flags = IORESOURCE_MEM, }; static struct physmap_flash_data strataflash_data = { .width = 4, .set_vpp = magician_set_vpp, }; static struct platform_device strataflash = { .name = "physmap-flash", .id = -1, .resource = &strataflash_resource, .num_resources = 1, .dev = { .platform_data = &strataflash_data, }, }; /* * I2C */ static struct i2c_pxa_platform_data i2c_info = { .fast_mode = 1, }; /* * Platform devices */ static struct platform_device *devices[] __initdata = { &gpio_keys, &egpio, &backlight, &pasic3, &bq24022, &gpio_vbus, &power_supply, &strataflash, &leds_gpio, }; static struct gpio magician_global_gpios[] = { { GPIO13_MAGICIAN_CPLD_IRQ, GPIOF_IN, "CPLD_IRQ" }, { GPIO107_MAGICIAN_DS1WM_IRQ, GPIOF_IN, "DS1WM_IRQ" }, { GPIO104_MAGICIAN_LCD_POWER_1, GPIOF_OUT_INIT_LOW, "LCD power 1" }, { GPIO105_MAGICIAN_LCD_POWER_2, GPIOF_OUT_INIT_LOW, "LCD power 2" }, { GPIO106_MAGICIAN_LCD_POWER_3, GPIOF_OUT_INIT_LOW, "LCD power 3" }, { GPIO83_MAGICIAN_nIR_EN, GPIOF_OUT_INIT_HIGH, "nIR_EN" }, }; static void __init magician_init(void) { void __iomem *cpld; int lcd_select; int err; pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config)); err = gpio_request_array(ARRAY_AND_SIZE(magician_global_gpios)); if (err) pr_err("magician: Failed to request GPIOs: %d\n", err); pxa_set_ffuart_info(NULL); pxa_set_btuart_info(NULL); pxa_set_stuart_info(NULL); platform_add_devices(ARRAY_AND_SIZE(devices)); pxa_set_ficp_info(&magician_ficp_info); pxa27x_set_i2c_power_info(NULL); pxa_set_i2c_info(&i2c_info); pxa_set_mci_info(&magician_mci_info); pxa_set_ohci_info(&magician_ohci_info); /* Check LCD type we have */ cpld = ioremap_nocache(PXA_CS3_PHYS, 0x1000); if (cpld) { u8 board_id = __raw_readb(cpld+0x14); iounmap(cpld); system_rev = board_id & 0x7; lcd_select = board_id & 0x8; pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly"); if (lcd_select && (system_rev < 3)) gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER, GPIOF_OUT_INIT_LOW, "SAMSUNG_POWER"); pxa_set_fb_info(NULL, lcd_select ? &samsung_info : &toppoly_info); } else pr_err("LCD detection: CPLD mapping failed\n"); } MACHINE_START(MAGICIAN, "HTC Magician") .atag_offset = 0x100, .map_io = pxa27x_map_io, .nr_irqs = MAGICIAN_NR_IRQS, .init_irq = pxa27x_init_irq, .handle_irq = pxa27x_handle_irq, .init_machine = magician_init, .init_time = pxa_timer_init, .restart = pxa_restart, MACHINE_END