diff options
Diffstat (limited to 'arch/arm/mach-pxa/palmld.c')
| -rw-r--r-- | arch/arm/mach-pxa/palmld.c | 605 |
1 files changed, 605 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/palmld.c b/arch/arm/mach-pxa/palmld.c new file mode 100644 index 000000000000..1cec1806f002 --- /dev/null +++ b/arch/arm/mach-pxa/palmld.c @@ -0,0 +1,605 @@ +/* + * Hardware definitions for Palm LifeDrive + * + * Author: Marek Vasut <marek.vasut@gmail.com> + * + * Based on work of: + * Alex Osborne <ato@meshy.org> + * + * 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. + * + * (find more info at www.hackndev.com) + * + */ + +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <linux/pda_power.h> +#include <linux/pwm_backlight.h> +#include <linux/gpio.h> +#include <linux/wm97xx_batt.h> +#include <linux/power_supply.h> +#include <linux/sysdev.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/pxa27x.h> +#include <mach/audio.h> +#include <mach/palmld.h> +#include <mach/mmc.h> +#include <mach/pxafb.h> +#include <mach/irda.h> +#include <mach/pxa27x_keypad.h> +#include <mach/palmasoc.h> + +#include "generic.h" +#include "devices.h" + +/****************************************************************************** + * Pin configuration + ******************************************************************************/ +static unsigned long palmld_pin_config[] __initdata = { + /* MMC */ + GPIO32_MMC_CLK, + GPIO92_MMC_DAT_0, + GPIO109_MMC_DAT_1, + GPIO110_MMC_DAT_2, + GPIO111_MMC_DAT_3, + GPIO112_MMC_CMD, + GPIO14_GPIO, /* SD detect */ + GPIO114_GPIO, /* SD power */ + GPIO116_GPIO, /* SD r/o switch */ + + /* AC97 */ + GPIO28_AC97_BITCLK, + GPIO29_AC97_SDATA_IN_0, + GPIO30_AC97_SDATA_OUT, + GPIO31_AC97_SYNC, + + /* IrDA */ + GPIO108_GPIO, /* ir disable */ + GPIO46_FICP_RXD, + GPIO47_FICP_TXD, + + /* MATRIX KEYPAD */ + GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, + GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, + GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, + GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, + GPIO103_KP_MKOUT_0, + GPIO104_KP_MKOUT_1, + GPIO105_KP_MKOUT_2, + + /* LCD */ + GPIO58_LCD_LDD_0, + GPIO59_LCD_LDD_1, + GPIO60_LCD_LDD_2, + GPIO61_LCD_LDD_3, + GPIO62_LCD_LDD_4, + GPIO63_LCD_LDD_5, + GPIO64_LCD_LDD_6, + GPIO65_LCD_LDD_7, + GPIO66_LCD_LDD_8, + GPIO67_LCD_LDD_9, + GPIO68_LCD_LDD_10, + GPIO69_LCD_LDD_11, + GPIO70_LCD_LDD_12, + GPIO71_LCD_LDD_13, + GPIO72_LCD_LDD_14, + GPIO73_LCD_LDD_15, + GPIO74_LCD_FCLK, + GPIO75_LCD_LCLK, + GPIO76_LCD_PCLK, + GPIO77_LCD_BIAS, + + /* PWM */ + GPIO16_PWM0_OUT, + + /* GPIO KEYS */ + GPIO10_GPIO, /* hotsync button */ + GPIO12_GPIO, /* power switch */ + GPIO15_GPIO, /* lock switch */ + + /* LEDs */ + GPIO52_GPIO, /* green led */ + GPIO94_GPIO, /* orange led */ + + /* PCMCIA */ + GPIO48_nPOE, + GPIO49_nPWE, + GPIO50_nPIOR, + GPIO51_nPIOW, + GPIO85_nPCE_1, + GPIO54_nPCE_2, + GPIO79_PSKTSEL, + GPIO55_nPREG, + GPIO56_nPWAIT, + GPIO57_nIOIS16, + GPIO36_GPIO, /* wifi power */ + GPIO38_GPIO, /* wifi ready */ + GPIO81_GPIO, /* wifi reset */ + + /* HDD */ + GPIO95_GPIO, /* HDD irq */ + GPIO115_GPIO, /* HDD power */ + + /* MISC */ + GPIO13_GPIO, /* earphone detect */ +}; + +/****************************************************************************** + * SD/MMC card controller + ******************************************************************************/ +static int palmld_mci_init(struct device *dev, irq_handler_t palmld_detect_int, + void *data) +{ + int err = 0; + + /* Setup an interrupt for detecting card insert/remove events */ + err = gpio_request(GPIO_NR_PALMLD_SD_DETECT_N, "SD IRQ"); + if (err) + goto err; + err = gpio_direction_input(GPIO_NR_PALMLD_SD_DETECT_N); + if (err) + goto err2; + err = request_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), + palmld_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM | + IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, + "SD/MMC card detect", data); + if (err) { + printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n", + __func__); + goto err2; + } + + err = gpio_request(GPIO_NR_PALMLD_SD_POWER, "SD_POWER"); + if (err) + goto err3; + err = gpio_direction_output(GPIO_NR_PALMLD_SD_POWER, 0); + if (err) + goto err4; + + err = gpio_request(GPIO_NR_PALMLD_SD_READONLY, "SD_READONLY"); + if (err) + goto err4; + err = gpio_direction_input(GPIO_NR_PALMLD_SD_READONLY); + if (err) + goto err5; + + printk(KERN_DEBUG "%s: irq registered\n", __func__); + + return 0; + +err5: + gpio_free(GPIO_NR_PALMLD_SD_READONLY); +err4: + gpio_free(GPIO_NR_PALMLD_SD_POWER); +err3: + free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data); +err2: + gpio_free(GPIO_NR_PALMLD_SD_DETECT_N); +err: + return err; +} + +static void palmld_mci_exit(struct device *dev, void *data) +{ + gpio_free(GPIO_NR_PALMLD_SD_READONLY); + gpio_free(GPIO_NR_PALMLD_SD_POWER); + free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data); + gpio_free(GPIO_NR_PALMLD_SD_DETECT_N); +} + +static void palmld_mci_power(struct device *dev, unsigned int vdd) +{ + struct pxamci_platform_data *p_d = dev->platform_data; + gpio_set_value(GPIO_NR_PALMLD_SD_POWER, p_d->ocr_mask & (1 << vdd)); +} + +static int palmld_mci_get_ro(struct device *dev) +{ + return gpio_get_value(GPIO_NR_PALMLD_SD_READONLY); +} + +static struct pxamci_platform_data palmld_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .setpower = palmld_mci_power, + .get_ro = palmld_mci_get_ro, + .init = palmld_mci_init, + .exit = palmld_mci_exit, +}; + +/****************************************************************************** + * GPIO keyboard + ******************************************************************************/ +static unsigned int palmld_matrix_keys[] = { + KEY(0, 1, KEY_F2), + KEY(0, 2, KEY_UP), + + KEY(1, 0, KEY_F3), + KEY(1, 1, KEY_F4), + KEY(1, 2, KEY_RIGHT), + + KEY(2, 0, KEY_F1), + KEY(2, 1, KEY_F5), + KEY(2, 2, KEY_DOWN), + + KEY(3, 0, KEY_F6), + KEY(3, 1, KEY_ENTER), + KEY(3, 2, KEY_LEFT), +}; + +static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = { + .matrix_key_rows = 4, + .matrix_key_cols = 3, + .matrix_key_map = palmld_matrix_keys, + .matrix_key_map_size = ARRAY_SIZE(palmld_matrix_keys), + + .debounce_interval = 30, +}; + +/****************************************************************************** + * GPIO keys + ******************************************************************************/ +static struct gpio_keys_button palmld_pxa_buttons[] = { + {KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" }, + {KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" }, + {KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" }, +}; + +static struct gpio_keys_platform_data palmld_pxa_keys_data = { + .buttons = palmld_pxa_buttons, + .nbuttons = ARRAY_SIZE(palmld_pxa_buttons), +}; + +static struct platform_device palmld_pxa_keys = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &palmld_pxa_keys_data, + }, +}; + +/****************************************************************************** + * Backlight + ******************************************************************************/ +static int palmld_backlight_init(struct device *dev) +{ + int ret; + + ret = gpio_request(GPIO_NR_PALMLD_BL_POWER, "BL POWER"); + if (ret) + goto err; + ret = gpio_direction_output(GPIO_NR_PALMLD_BL_POWER, 0); + if (ret) + goto err2; + ret = gpio_request(GPIO_NR_PALMLD_LCD_POWER, "LCD POWER"); + if (ret) + goto err2; + ret = gpio_direction_output(GPIO_NR_PALMLD_LCD_POWER, 0); + if (ret) + goto err3; + + return 0; +err3: + gpio_free(GPIO_NR_PALMLD_LCD_POWER); +err2: + gpio_free(GPIO_NR_PALMLD_BL_POWER); +err: + return ret; +} + +static int palmld_backlight_notify(int brightness) +{ + gpio_set_value(GPIO_NR_PALMLD_BL_POWER, brightness); + gpio_set_value(GPIO_NR_PALMLD_LCD_POWER, brightness); + return brightness; +} + +static void palmld_backlight_exit(struct device *dev) +{ + gpio_free(GPIO_NR_PALMLD_BL_POWER); + gpio_free(GPIO_NR_PALMLD_LCD_POWER); +} + +static struct platform_pwm_backlight_data palmld_backlight_data = { + .pwm_id = 0, + .max_brightness = PALMLD_MAX_INTENSITY, + .dft_brightness = PALMLD_MAX_INTENSITY, + .pwm_period_ns = PALMLD_PERIOD_NS, + .init = palmld_backlight_init, + .notify = palmld_backlight_notify, + .exit = palmld_backlight_exit, +}; + +static struct platform_device palmld_backlight = { + .name = "pwm-backlight", + .dev = { + .parent = &pxa27x_device_pwm0.dev, + .platform_data = &palmld_backlight_data, + }, +}; + +/****************************************************************************** + * IrDA + ******************************************************************************/ +static int palmld_irda_startup(struct device *dev) +{ + int err; + err = gpio_request(GPIO_NR_PALMLD_IR_DISABLE, "IR DISABLE"); + if (err) + goto err; + err = gpio_direction_output(GPIO_NR_PALMLD_IR_DISABLE, 1); + if (err) + gpio_free(GPIO_NR_PALMLD_IR_DISABLE); +err: + return err; +} + +static void palmld_irda_shutdown(struct device *dev) +{ + gpio_free(GPIO_NR_PALMLD_IR_DISABLE); +} + +static void palmld_irda_transceiver_mode(struct device *dev, int mode) +{ + gpio_set_value(GPIO_NR_PALMLD_IR_DISABLE, mode & IR_OFF); + pxa2xx_transceiver_mode(dev, mode); +} + +static struct pxaficp_platform_data palmld_ficp_platform_data = { + .startup = palmld_irda_startup, + .shutdown = palmld_irda_shutdown, + .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, + .transceiver_mode = palmld_irda_transceiver_mode, +}; + +/****************************************************************************** + * LEDs + ******************************************************************************/ +struct gpio_led gpio_leds[] = { +{ + .name = "palmld:green:led", + .default_trigger = "none", + .gpio = GPIO_NR_PALMLD_LED_GREEN, +}, { + .name = "palmld:amber:led", + .default_trigger = "none", + .gpio = GPIO_NR_PALMLD_LED_AMBER, +}, +}; + +static struct gpio_led_platform_data gpio_led_info = { + .leds = gpio_leds, + .num_leds = ARRAY_SIZE(gpio_leds), +}; + +static struct platform_device palmld_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &gpio_led_info, + } +}; + +/****************************************************************************** + * Power supply + ******************************************************************************/ +static int power_supply_init(struct device *dev) +{ + int ret; + + ret = gpio_request(GPIO_NR_PALMLD_POWER_DETECT, "CABLE_STATE_AC"); + if (ret) + goto err1; + ret = gpio_direction_input(GPIO_NR_PALMLD_POWER_DETECT); + if (ret) + goto err2; + + ret = gpio_request(GPIO_NR_PALMLD_USB_DETECT_N, "CABLE_STATE_USB"); + if (ret) + goto err2; + ret = gpio_direction_input(GPIO_NR_PALMLD_USB_DETECT_N); + if (ret) + goto err3; + + return 0; + +err3: + gpio_free(GPIO_NR_PALMLD_USB_DETECT_N); +err2: + gpio_free(GPIO_NR_PALMLD_POWER_DETECT); +err1: + return ret; +} + +static int palmld_is_ac_online(void) +{ + return gpio_get_value(GPIO_NR_PALMLD_POWER_DETECT); +} + +static int palmld_is_usb_online(void) +{ + return !gpio_get_value(GPIO_NR_PALMLD_USB_DETECT_N); +} + +static void power_supply_exit(struct device *dev) +{ + gpio_free(GPIO_NR_PALMLD_USB_DETECT_N); + gpio_free(GPIO_NR_PALMLD_POWER_DETECT); +} + +static char *palmld_supplicants[] = { + "main-battery", +}; + +static struct pda_power_pdata power_supply_info = { + .init = power_supply_init, + .is_ac_online = palmld_is_ac_online, + .is_usb_online = palmld_is_usb_online, + .exit = power_supply_exit, + .supplied_to = palmld_supplicants, + .num_supplicants = ARRAY_SIZE(palmld_supplicants), +}; + +static struct platform_device power_supply = { + .name = "pda-power", + .id = -1, + .dev = { + .platform_data = &power_supply_info, + }, +}; + +/****************************************************************************** + * WM97xx battery + ******************************************************************************/ +static struct wm97xx_batt_info wm97xx_batt_pdata = { + .batt_aux = WM97XX_AUX_ID3, + .temp_aux = WM97XX_AUX_ID2, + .charge_gpio = -1, + .max_voltage = PALMLD_BAT_MAX_VOLTAGE, + .min_voltage = PALMLD_BAT_MIN_VOLTAGE, + .batt_mult = 1000, + .batt_div = 414, + .temp_mult = 1, + .temp_div = 1, + .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO, + .batt_name = "main-batt", +}; + +/****************************************************************************** + * aSoC audio + ******************************************************************************/ +static struct palm27x_asoc_info palmld_asoc_pdata = { + .jack_gpio = GPIO_NR_PALMLD_EARPHONE_DETECT, +}; + +static pxa2xx_audio_ops_t palmld_ac97_pdata = { + .reset_gpio = 95, +}; + +static struct platform_device palmld_asoc = { + .name = "palm27x-asoc", + .id = -1, + .dev = { + .platform_data = &palmld_asoc_pdata, + }, +}; + +/****************************************************************************** + * Framebuffer + ******************************************************************************/ +static struct pxafb_mode_info palmld_lcd_modes[] = { +{ + .pixclock = 57692, + .xres = 320, + .yres = 480, + .bpp = 16, + + .left_margin = 32, + .right_margin = 1, + .upper_margin = 7, + .lower_margin = 1, + + .hsync_len = 4, + .vsync_len = 1, +}, +}; + +static struct pxafb_mach_info palmld_lcd_screen = { + .modes = palmld_lcd_modes, + .num_modes = ARRAY_SIZE(palmld_lcd_modes), + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, +}; + +/****************************************************************************** + * Power management - standby + ******************************************************************************/ +#ifdef CONFIG_PM +static u32 *addr __initdata; +static u32 resume[3] __initdata = { + 0xe3a00101, /* mov r0, #0x40000000 */ + 0xe380060f, /* orr r0, r0, #0x00f00000 */ + 0xe590f008, /* ldr pc, [r0, #0x08] */ +}; + +static int __init palmld_pm_init(void) +{ + int i; + + /* this is where the bootloader jumps */ + addr = phys_to_virt(PALMLD_STR_BASE); + + for (i = 0; i < 3; i++) + addr[i] = resume[i]; + + return 0; +} + +device_initcall(palmld_pm_init); +#endif + +/****************************************************************************** + * Machine init + ******************************************************************************/ +static struct platform_device *devices[] __initdata = { +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) + &palmld_pxa_keys, +#endif + &palmld_backlight, + &palmld_leds, + &power_supply, + &palmld_asoc, +}; + +static struct map_desc palmld_io_desc[] __initdata = { +{ + .virtual = PALMLD_IDE_VIRT, + .pfn = __phys_to_pfn(PALMLD_IDE_PHYS), + .length = PALMLD_IDE_SIZE, + .type = MT_DEVICE +}, +{ + .virtual = PALMLD_USB_VIRT, + .pfn = __phys_to_pfn(PALMLD_USB_PHYS), + .length = PALMLD_USB_SIZE, + .type = MT_DEVICE +}, +}; + +static void __init palmld_map_io(void) +{ + pxa_map_io(); + iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc)); +} + +static void __init palmld_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config)); + + set_pxa_fb_info(&palmld_lcd_screen); + pxa_set_mci_info(&palmld_mci_platform_data); + pxa_set_ac97_info(&palmld_ac97_pdata); + pxa_set_ficp_info(&palmld_ficp_platform_data); + pxa_set_keypad_info(&palmld_keypad_platform_data); + wm97xx_bat_set_pdata(&wm97xx_batt_pdata); + + platform_add_devices(devices, ARRAY_SIZE(devices)); +} + +MACHINE_START(PALMLD, "Palm LifeDrive") + .phys_io = PALMLD_PHYS_IO_START, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .boot_params = 0xa0000100, + .map_io = palmld_map_io, + .init_irq = pxa27x_init_irq, + .timer = &pxa_timer, + .init_machine = palmld_init +MACHINE_END |