diff options
Diffstat (limited to 'arch/arm/mach-pxa/magician.c')
| -rw-r--r-- | arch/arm/mach-pxa/magician.c | 1054 |
1 files changed, 1054 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c new file mode 100644 index 000000000..9aee8e0f2 --- /dev/null +++ b/arch/arm/mach-pxa/magician.c @@ -0,0 +1,1054 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * 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. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/gpio/machine.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <linux/mfd/htc-pasic3.h> +#include <linux/mtd/physmap.h> +#include <linux/pda_power.h> +#include <linux/platform_data/gpio-htc-egpio.h> +#include <linux/pwm.h> +#include <linux/pwm_backlight.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/gpio-regulator.h> +#include <linux/regulator/machine.h> +#include <linux/platform_data/i2c-pxa.h> + +#include <mach/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/system_info.h> + +#include "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 <linux/regulator/max1586.h> + +#include <linux/platform_data/pxa2xx_udc.h> + +#include "udc.h" +#include "pxa27x-udc.h" +#include "devices.h" +#include "generic.h" + +#include <linux/spi/spi.h> +#include <linux/spi/pxa2xx_spi.h> +#include <linux/spi/ads7846.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 UDA1380 + OV9640 */ + GPIO117_I2C_SCL, + GPIO118_I2C_SDA, + + /* PWM 0 - LCD backlight */ + GPIO16_PWM0_OUT, + + /* I2S UDA1380 capture */ + GPIO28_I2S_BITCLK_OUT, + GPIO29_I2S_SDATA_IN, + GPIO31_I2S_SYNC, + GPIO113_I2S_SYSCLK, + + /* SSP 1 UDA1380 playback */ + GPIO23_SSP1_SCLK, + GPIO24_SSP1_SFRM, + GPIO25_SSP1_TXD, + + /* SSP 2 TSC2046 touchscreen */ + GPIO19_SSP2_SCLK, + MFP_CFG_OUT(GPIO14, AF0, DRIVE_HIGH), /* frame as GPIO */ + GPIO89_SSP2_TXD, + GPIO88_SSP2_RXD, + + /* MMC/SD/SDHC slot */ + 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 camera interface */ + 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 */ +}; + +/* + * IrDA + */ + +static struct pxaficp_platform_data magician_ficp_info = { + .gpio_pwdown = GPIO83_MAGICIAN_nIR_EN, + .transceiver_cap = IR_SIRMODE | IR_OFF, + .gpio_pwdown_inverted = 0, +}; + +/* + * 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) + * + * 32-bit aligned 8-bit registers + * 16 possible registers (reg windows size), only 7 used: + * 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, + /* + * Depends on modules configuration + */ + .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, + }, +}; + +/* + * PXAFB 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 = 226469, + .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: %s\n", on ? "on" : "off"); + + if (on) { + gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1); + gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 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_VOFF_EN, 1); + udelay(2000); + gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1); + } else { + msleep(15); + gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0); + udelay(500); + gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0); + udelay(1000); + gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 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: %s\n", on ? "on" : "off"); + + if (on) { + if (system_rev < 3) + gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1); + else + gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1); + mdelay(6); + gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1); + mdelay(6); /* Avdd -> Voff >5ms */ + gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1); + mdelay(16); /* Voff -> Von >(5+10)ms */ + gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1); + } else { + gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0); + mdelay(16); + gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0); + mdelay(6); + gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0); + mdelay(6); + 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 pwm_lookup magician_pwm_lookup[] = { + PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 30923, + PWM_POLARITY_NORMAL), +}; + + /* + * fixed regulator for pwm_backlight + */ + +static struct regulator_consumer_supply pwm_backlight_supply[] = { + REGULATOR_SUPPLY("power", "pwm_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) +{ + pr_debug("Brightness = %i\n", 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)); +} + +/* + * LCD PWM backlight (main) + * + * MP1521 frequency should be: + * 100-400 Hz = 2 .5*10^6 - 10 *10^6 ns + */ + +static struct platform_pwm_backlight_data backlight_data = { + .max_brightness = 272, + .dft_brightness = 100, + .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, + }, +}; + +/* + * GPIO LEDs, Phone keys backlight, vibra + */ + +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, + }, +}; + +/* + * 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 = { + .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, + }, +}; + +/* + * PXA UDC + */ + +static void magician_udc_command(int cmd) +{ + if (cmd == PXA2XX_UDC_CMD_CONNECT) + UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE; + else if (cmd == PXA2XX_UDC_CMD_DISCONNECT) + UP2OCR &= ~(UP2OCR_DPPUE | UP2OCR_DPPUBE); +} + +static struct pxa2xx_udc_mach_info magician_udc_info __initdata = { + .udc_command = magician_udc_command, + .gpio_pullup = GPIO27_MAGICIAN_USBC_PUEN, +}; + +/* + * USB device VBus detection + */ + +static struct resource gpio_vbus_resource = { + .flags = IORESOURCE_IRQ, + .start = IRQ_MAGICIAN_VBUS, + .end = IRQ_MAGICIAN_VBUS, +}; + +static struct gpiod_lookup_table gpio_vbus_gpiod_table = { + .dev_id = "gpio-vbus", + .table = { + /* + * EGPIO on register 4 index 1, the second EGPIO chip + * starts at register 4 so this will be at index 1 on that + * chip. + */ + GPIO_LOOKUP("htc-egpio-1", 1, + "vbus", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("gpio-pxa", GPIO27_MAGICIAN_USBC_PUEN, + "pullup", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct platform_device gpio_vbus = { + .name = "gpio-vbus", + .id = -1, + .num_resources = 1, + .resource = &gpio_vbus_resource, +}; + +/* + * External power + */ + +static int magician_supply_init(struct device *dev) +{ + int ret = -1; + + ret = gpio_request(EGPIO_MAGICIAN_CABLE_TYPE, "Cable is AC charger"); + if (ret) { + pr_err("Cannot request AC/USB charger GPIO (%i)\n", ret); + goto err_ac; + } + + ret = gpio_request(EGPIO_MAGICIAN_CABLE_INSERTED, "Cable inserted"); + if (ret) { + pr_err("Cannot request cable detection GPIO (%i)\n", ret); + goto err_usb; + } + + return 0; + +err_usb: + gpio_free(EGPIO_MAGICIAN_CABLE_TYPE); +err_ac: + return ret; +} + +static void magician_set_charge(int flags) +{ + if (flags & PDA_POWER_CHARGE_AC) { + pr_debug("Charging from AC\n"); + gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1); + } else if (flags & PDA_POWER_CHARGE_USB) { + pr_debug("Charging from USB\n"); + gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1); + } else { + pr_debug("Charging disabled\n"); + gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 0); + } +} + +static int magician_is_ac_online(void) +{ + return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) && + gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE); /* AC=1 */ +} + +static int magician_is_usb_online(void) +{ + return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) && + (!gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE)); /* USB=0 */ +} + +static void magician_supply_exit(struct device *dev) +{ + gpio_free(EGPIO_MAGICIAN_CABLE_INSERTED); + gpio_free(EGPIO_MAGICIAN_CABLE_TYPE); +} + +static char *magician_supplicants[] = { + "ds2760-battery.0", "backup-battery" +}; + +static struct pda_power_pdata power_supply_info = { + .init = magician_supply_init, + .exit = magician_supply_exit, + .is_ac_online = magician_is_ac_online, + .is_usb_online = magician_is_usb_online, + .set_charge = magician_set_charge, + .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 enum gpiod_flags bq24022_gpiod_gflags[] = { GPIOD_OUT_LOW }; + +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", + + .enabled_at_boot = 1, + + .gflags = bq24022_gpiod_gflags, + .ngpios = ARRAY_SIZE(bq24022_gpiod_gflags), + + .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, + }, +}; + +static struct gpiod_lookup_table bq24022_gpiod_table = { + .dev_id = "gpio-regulator", + .table = { + GPIO_LOOKUP("htc-egpio-0", EGPIO_MAGICIAN_BQ24022_ISET2 - MAGICIAN_EGPIO_BASE, + NULL, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("gpio-pxa", GPIO30_MAGICIAN_BQ24022_nCHARGE_EN, + "enable", GPIO_ACTIVE_LOW), + { }, + }, +}; + +/* + * fixed regulator for ads7846 + */ + +static struct regulator_consumer_supply ads7846_supply = + REGULATOR_SUPPLY("vcc", "spi2.0"); + +static struct regulator_init_data vads7846_regulator = { + .constraints = { + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &ads7846_supply, +}; + +static struct fixed_voltage_config vads7846 = { + .supply_name = "vads7846", + .microvolts = 3300000, /* probably */ + .startup_delay = 0, + .init_data = &vads7846_regulator, +}; + +static struct platform_device vads7846_device = { + .name = "reg-fixed-voltage", + .id = -1, + .dev = { + .platform_data = &vads7846, + }, +}; + +/* + * Vcore regulator MAX1587A + */ + +static struct regulator_consumer_supply magician_max1587a_consumers[] = { + REGULATOR_SUPPLY("vcc_core", NULL), +}; + +static struct regulator_init_data magician_max1587a_v3_info = { + .constraints = { + .name = "vcc_core range", + .min_uV = 700000, + .max_uV = 1475000, + .always_on = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + }, + .consumer_supplies = magician_max1587a_consumers, + .num_consumer_supplies = ARRAY_SIZE(magician_max1587a_consumers), +}; + +static struct max1586_subdev_data magician_max1587a_subdevs[] = { + { + .name = "vcc_core", + .id = MAX1586_V3, + .platform_data = &magician_max1587a_v3_info, + } +}; + +static struct max1586_platform_data magician_max1587a_info = { + .subdevs = magician_max1587a_subdevs, + .num_subdevs = ARRAY_SIZE(magician_max1587a_subdevs), + /* + * NOTICE measured directly on the PCB (board_id == 0x3a), but + * if R24 is present, it will boost the voltage + * (write 1.475V, get 1.645V and smoke) + */ + .v3_gain = MAX1586_GAIN_NO_R24, +}; + +static struct i2c_board_info magician_pwr_i2c_board_info[] __initdata = { + { + I2C_BOARD_INFO("max1586", 0x14), + .platform_data = &magician_max1587a_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, 0, + "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_ro_invert = 1, +}; + +/* + * Write protect on EGPIO register 5 index 4, this is on the second HTC + * EGPIO chip which starts at register 4, so we need offset 8+4=12 on that + * particular chip. + */ +#define EGPIO_MAGICIAN_nSD_READONLY_OFFSET 12 +/* + * Power on EGPIO register 2 index 0, so this is on the first HTC EGPIO chip + * starting at register 0 so we need offset 2*8+0 = 16 on that chip. + */ +#define EGPIO_MAGICIAN_nSD_POWER_OFFSET 16 + +static struct gpiod_lookup_table magician_mci_gpio_table = { + .dev_id = "pxa2xx-mci.0", + .table = { + GPIO_LOOKUP("htc-egpio-1", EGPIO_MAGICIAN_nSD_READONLY_OFFSET, + "wp", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("htc-egpio-0", EGPIO_MAGICIAN_nSD_POWER_OFFSET, + "power", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +/* + * USB OHCI + */ + +static struct pxaohci_platform_data magician_ohci_info = { + .port_mode = PMM_PERPORT_MODE, + /* port1: CSR Bluetooth, port2: OTG with UDC */ + .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW, + .power_budget = 0, + .power_on_delay = 100, +}; + +/* + * StrataFlash + */ + +static int magician_flash_init(struct platform_device *pdev) +{ + int ret = gpio_request(EGPIO_MAGICIAN_FLASH_VPP, "flash Vpp enable"); + + if (ret) { + pr_err("Cannot request flash enable GPIO (%i)\n", ret); + return ret; + } + + ret = gpio_direction_output(EGPIO_MAGICIAN_FLASH_VPP, 1); + if (ret) { + pr_err("Cannot set direction for flash enable (%i)\n", ret); + gpio_free(EGPIO_MAGICIAN_FLASH_VPP); + } + + return ret; +} + +static void magician_set_vpp(struct platform_device *pdev, int vpp) +{ + gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp); +} + +static void magician_flash_exit(struct platform_device *pdev) +{ + gpio_free(EGPIO_MAGICIAN_FLASH_VPP); +} + +static struct resource strataflash_resource = { + .start = PXA_CS0_PHYS, + .end = PXA_CS0_PHYS + SZ_64M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct mtd_partition magician_flash_parts[] = { + { + .name = "Bootloader", + .offset = 0x0, + .size = 0x40000, + .mask_flags = MTD_WRITEABLE, /* EXPERIMENTAL */ + }, + { + .name = "Linux Kernel", + .offset = 0x40000, + .size = MTDPART_SIZ_FULL, + }, +}; + +/* + * physmap-flash driver + */ + +static struct physmap_flash_data strataflash_data = { + .width = 4, + .init = magician_flash_init, + .set_vpp = magician_set_vpp, + .exit = magician_flash_exit, + .parts = magician_flash_parts, + .nr_parts = ARRAY_SIZE(magician_flash_parts), +}; + +static struct platform_device strataflash = { + .name = "physmap-flash", + .id = -1, + .resource = &strataflash_resource, + .num_resources = 1, + .dev = { + .platform_data = &strataflash_data, + }, +}; + +/* + * PXA I2C main controller + */ + +static struct i2c_pxa_platform_data i2c_info = { + /* OV9640 I2C device doesn't support fast mode */ + .fast_mode = 0, +}; + +/* + * PXA I2C power controller + */ + +static struct i2c_pxa_platform_data magician_i2c_power_info = { + .fast_mode = 1, +}; + +/* + * Touchscreen + */ + +static struct ads7846_platform_data ads7846_pdata = { + .model = 7846, + .x_plate_ohms = 317, + .y_plate_ohms = 500, + .pressure_max = 1023, /* with x plate ohms it will overflow 255 */ + .debounce_max = 3, /* first readout is always bad */ + .debounce_tol = 30, + .debounce_rep = 0, + .gpio_pendown = GPIO115_MAGICIAN_nPEN_IRQ, + .keep_vref_on = 1, + .wakeup = true, + .vref_delay_usecs = 100, + .penirq_recheck_delay_usecs = 100, +}; + +struct pxa2xx_spi_chip tsc2046_chip_info = { + .tx_threshold = 1, + .rx_threshold = 2, + .timeout = 64, + /* NOTICE must be GPIO, incompatibility with hw PXA SPI framing */ + .gpio_cs = GPIO14_MAGICIAN_TSC2046_CS, +}; + +static struct pxa2xx_spi_controller magician_spi_info = { + .num_chipselect = 1, + .enable_dma = 1, +}; + +static struct spi_board_info ads7846_spi_board_info[] __initdata = { + { + .modalias = "ads7846", + .bus_num = 2, + .max_speed_hz = 2500000, + .platform_data = &ads7846_pdata, + .controller_data = &tsc2046_chip_info, + .irq = PXA_GPIO_TO_IRQ(GPIO115_MAGICIAN_nPEN_IRQ), + }, +}; + +/* + * Platform devices + */ + +static struct platform_device *devices[] __initdata = { + &gpio_keys, + &egpio, + &backlight, + &pasic3, + &bq24022, + &gpio_vbus, + &power_supply, + &strataflash, + &leds_gpio, + &vads7846_device, +}; + +static struct gpio magician_global_gpios[] = { + { GPIO13_MAGICIAN_CPLD_IRQ, GPIOF_IN, "CPLD_IRQ" }, + { GPIO107_MAGICIAN_DS1WM_IRQ, GPIOF_IN, "DS1WM_IRQ" }, + + /* NOTICE valid LCD init sequence */ + { GPIO106_MAGICIAN_LCD_DCDC_NRESET, GPIOF_OUT_INIT_LOW, "LCD DCDC nreset" }, + { GPIO104_MAGICIAN_LCD_VOFF_EN, GPIOF_OUT_INIT_LOW, "LCD VOFF enable" }, + { GPIO105_MAGICIAN_LCD_VON_EN, GPIOF_OUT_INIT_LOW, "LCD VON enable" }, +}; + +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 global GPIOs: %d\n", err); + + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + + pwm_add_table(magician_pwm_lookup, ARRAY_SIZE(magician_pwm_lookup)); + + pxa_set_ficp_info(&magician_ficp_info); + pxa27x_set_i2c_power_info(&magician_i2c_power_info); + pxa_set_i2c_info(&i2c_info); + + i2c_register_board_info(1, + ARRAY_AND_SIZE(magician_pwr_i2c_board_info)); + + gpiod_add_lookup_table(&magician_mci_gpio_table); + pxa_set_mci_info(&magician_mci_info); + pxa_set_ohci_info(&magician_ohci_info); + pxa_set_udc_info(&magician_udc_info); + + /* Check LCD type we have */ + cpld = ioremap(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)) + /* NOTICE valid LCD init sequence */ + gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER, + GPIOF_OUT_INIT_LOW, "Samsung LCD Power"); + pxa_set_fb_info(NULL, + lcd_select ? &samsung_info : &toppoly_info); + } else + pr_err("LCD detection: CPLD mapping failed\n"); + + pxa2xx_set_spi_info(2, &magician_spi_info); + spi_register_board_info(ARRAY_AND_SIZE(ads7846_spi_board_info)); + + regulator_register_always_on(0, "power", pwm_backlight_supply, + ARRAY_SIZE(pwm_backlight_supply), 5000000); + + gpiod_add_lookup_table(&bq24022_gpiod_table); + gpiod_add_lookup_table(&gpio_vbus_gpiod_table); + platform_add_devices(ARRAY_AND_SIZE(devices)); +} + +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 |