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author | Tomáš Čech <sleep_walker@suse.cz> | 2009-09-11 13:57:01 +0200 |
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committer | Eric Miao <eric.y.miao@gmail.com> | 2009-12-01 09:02:48 +0800 |
commit | bb2ae8f0325221a2dfd9eb31554f42e9c24abdf2 (patch) | |
tree | 678a540431139e6c9b60ec7895e8b5f9ed0b0b7a /arch/arm/mach-pxa/palmtreo.c | |
parent | d62238711a0a917ddc6bb47390c7502806c963b1 (diff) | |
download | lwn-bb2ae8f0325221a2dfd9eb31554f42e9c24abdf2.tar.gz lwn-bb2ae8f0325221a2dfd9eb31554f42e9c24abdf2.zip |
[ARM] pxa/treo: generalisation of Treo680 code
Signed-off-by: Tomáš Čech <sleep_walker@suse.cz>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch/arm/mach-pxa/palmtreo.c')
-rw-r--r-- | arch/arm/mach-pxa/palmtreo.c | 551 |
1 files changed, 551 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/palmtreo.c b/arch/arm/mach-pxa/palmtreo.c new file mode 100644 index 000000000000..5e66028d2911 --- /dev/null +++ b/arch/arm/mach-pxa/palmtreo.c @@ -0,0 +1,551 @@ +/* + * Hardware definitions for Palm Treo smartphones + * + * currently supported: + * Palm Treo 680 (GSM) + * + * Author: Tomas Cech <sleep_walker@suse.cz> + * + * 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 <linux/w1-gpio.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/pxa27x.h> +#include <mach/pxa27x-udc.h> +#include <mach/audio.h> +#include <mach/palmtreo.h> +#include <mach/mmc.h> +#include <mach/pxafb.h> +#include <mach/irda.h> +#include <mach/pxa27x_keypad.h> +#include <mach/udc.h> +#include <mach/ohci.h> +#include <mach/pxa2xx-regs.h> +#include <mach/palmasoc.h> +#include <mach/camera.h> + +#include <sound/pxa2xx-lib.h> + +#include "generic.h" +#include "devices.h" + +/****************************************************************************** + * Pin configuration + ******************************************************************************/ +static unsigned long treo_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, + GPIO113_GPIO, /* SD detect */ + + /* AC97 */ + GPIO28_AC97_BITCLK, + GPIO29_AC97_SDATA_IN_0, + GPIO30_AC97_SDATA_OUT, + GPIO31_AC97_SYNC, + GPIO89_AC97_SYSCLK, + GPIO95_AC97_nRESET, + + /* IrDA */ + GPIO46_FICP_RXD, + GPIO47_FICP_TXD, + + /* PWM */ + GPIO16_PWM0_OUT, + + /* USB */ + GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, /* usb detect */ + + /* MATRIX KEYPAD */ + GPIO101_KP_MKIN_1, + GPIO102_KP_MKIN_2, + GPIO97_KP_MKIN_3, + GPIO98_KP_MKIN_4, + GPIO91_KP_MKIN_6, + GPIO13_KP_MKIN_7, + GPIO103_KP_MKOUT_0 | MFP_LPM_DRIVE_HIGH, + GPIO104_KP_MKOUT_1, + GPIO105_KP_MKOUT_2, + GPIO106_KP_MKOUT_3, + GPIO107_KP_MKOUT_4, + GPIO108_KP_MKOUT_5, + GPIO96_KP_MKOUT_6, + GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH, /* Hotsync button */ + + /* 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, + + /* Quick Capture Interface */ + GPIO84_CIF_FV, + GPIO85_CIF_LV, + GPIO53_CIF_MCLK, + GPIO54_CIF_PCLK, + GPIO81_CIF_DD_0, + GPIO55_CIF_DD_1, + GPIO51_CIF_DD_2, + GPIO50_CIF_DD_3, + GPIO52_CIF_DD_4, + GPIO48_CIF_DD_5, + GPIO17_CIF_DD_6, + GPIO12_CIF_DD_7, + + /* I2C */ + GPIO117_I2C_SCL, + GPIO118_I2C_SDA, + + /* GSM */ + GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH, /* GSM host wake up */ + GPIO34_FFUART_RXD, + GPIO35_FFUART_CTS, + GPIO39_FFUART_TXD, + GPIO41_FFUART_RTS, + + /* MISC. */ + GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* external power detect */ + GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH, /* silent switch */ + GPIO116_GPIO, /* headphone detect */ + GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* bluetooth host wake up */ +}; + +#ifdef CONFIG_MACH_TREO680 +static unsigned long treo680_pin_config[] __initdata = { + GPIO33_GPIO, /* SD read only */ + + /* MATRIX KEYPAD - different wake up source */ + GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, + GPIO99_KP_MKIN_5, +}; +#endif /* CONFIG_MACH_TREO680 */ + +/****************************************************************************** + * SD/MMC card controller + ******************************************************************************/ +#ifdef CONFIG_MACH_TREO680 +static struct pxamci_platform_data treo680_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .gpio_card_detect = GPIO_NR_TREO_SD_DETECT_N, + .gpio_card_ro = GPIO_NR_TREO680_SD_READONLY, + .gpio_power = GPIO_NR_TREO680_SD_POWER, +}; +#endif /* CONFIG_MACH_TREO680 */ + +/****************************************************************************** + * GPIO keyboard + ******************************************************************************/ +#ifdef CONFIG_MACH_TREO680 +static unsigned int treo680_matrix_keys[] = { + KEY(0, 0, KEY_F8), /* Red/Off/Power */ + KEY(0, 1, KEY_LEFT), + KEY(0, 2, KEY_LEFTCTRL), /* Alternate */ + KEY(0, 3, KEY_L), + KEY(0, 4, KEY_A), + KEY(0, 5, KEY_Q), + KEY(0, 6, KEY_P), + + KEY(1, 0, KEY_RIGHTCTRL), /* Menu */ + KEY(1, 1, KEY_RIGHT), + KEY(1, 2, KEY_LEFTSHIFT), /* Left shift */ + KEY(1, 3, KEY_Z), + KEY(1, 4, KEY_S), + KEY(1, 5, KEY_W), + + KEY(2, 0, KEY_F1), /* Phone */ + KEY(2, 1, KEY_UP), + KEY(2, 2, KEY_0), + KEY(2, 3, KEY_X), + KEY(2, 4, KEY_D), + KEY(2, 5, KEY_E), + + KEY(3, 0, KEY_F10), /* Calendar */ + KEY(3, 1, KEY_DOWN), + KEY(3, 2, KEY_SPACE), + KEY(3, 3, KEY_C), + KEY(3, 4, KEY_F), + KEY(3, 5, KEY_R), + + KEY(4, 0, KEY_F12), /* Mail */ + KEY(4, 1, KEY_KPENTER), + KEY(4, 2, KEY_RIGHTALT), /* Alt */ + KEY(4, 3, KEY_V), + KEY(4, 4, KEY_G), + KEY(4, 5, KEY_T), + + KEY(5, 0, KEY_F9), /* Home */ + KEY(5, 1, KEY_PAGEUP), /* Side up */ + KEY(5, 2, KEY_DOT), + KEY(5, 3, KEY_B), + KEY(5, 4, KEY_H), + KEY(5, 5, KEY_Y), + + KEY(6, 0, KEY_TAB), /* Side Activate */ + KEY(6, 1, KEY_PAGEDOWN), /* Side down */ + KEY(6, 2, KEY_ENTER), + KEY(6, 3, KEY_N), + KEY(6, 4, KEY_J), + KEY(6, 5, KEY_U), + + KEY(7, 0, KEY_F6), /* Green/Call */ + KEY(7, 1, KEY_O), + KEY(7, 2, KEY_BACKSPACE), + KEY(7, 3, KEY_M), + KEY(7, 4, KEY_K), + KEY(7, 5, KEY_I), +}; + +static struct pxa27x_keypad_platform_data treo680_keypad_platform_data = { + .matrix_key_rows = 8, + .matrix_key_cols = 7, + .matrix_key_map = treo680_matrix_keys, + .matrix_key_map_size = ARRAY_SIZE(treo680_matrix_keys), + .direct_key_map = { KEY_CONNECT }, + .direct_key_num = 1, + + .debounce_interval = 30, +}; +#endif /* CONFIG_MACH_TREO680 */ + +/****************************************************************************** + * aSoC audio + ******************************************************************************/ + +static pxa2xx_audio_ops_t treo_ac97_pdata = { + .reset_gpio = 95, +}; + +/****************************************************************************** + * Backlight + ******************************************************************************/ +static int treo_backlight_init(struct device *dev) +{ + int ret; + + ret = gpio_request(GPIO_NR_TREO_BL_POWER, "BL POWER"); + if (ret) + goto err; + ret = gpio_direction_output(GPIO_NR_TREO_BL_POWER, 0); + if (ret) + goto err2; + + return 0; + +err2: + gpio_free(GPIO_NR_TREO_BL_POWER); +err: + return ret; +} + +static int treo_backlight_notify(int brightness) +{ + gpio_set_value(GPIO_NR_TREO_BL_POWER, brightness); + return TREO_MAX_INTENSITY - brightness; +}; + +static void treo_backlight_exit(struct device *dev) +{ + gpio_free(GPIO_NR_TREO_BL_POWER); +} + +static struct platform_pwm_backlight_data treo_backlight_data = { + .pwm_id = 0, + .max_brightness = TREO_MAX_INTENSITY, + .dft_brightness = TREO_DEFAULT_INTENSITY, + .pwm_period_ns = TREO_PERIOD_NS, + .init = treo_backlight_init, + .notify = treo_backlight_notify, + .exit = treo_backlight_exit, +}; + +static struct platform_device treo_backlight = { + .name = "pwm-backlight", + .dev = { + .parent = &pxa27x_device_pwm0.dev, + .platform_data = &treo_backlight_data, + }, +}; + +/****************************************************************************** + * IrDA + ******************************************************************************/ +static struct pxaficp_platform_data treo_ficp_info = { + .gpio_pwdown = GPIO_NR_TREO_IR_EN, + .transceiver_cap = IR_SIRMODE | IR_OFF, +}; + +/****************************************************************************** + * UDC + ******************************************************************************/ +static struct pxa2xx_udc_mach_info treo_udc_info __initdata = { + .gpio_vbus = GPIO_NR_TREO_USB_DETECT, + .gpio_vbus_inverted = 1, + .gpio_pullup = GPIO_NR_TREO_USB_PULLUP, +}; + + +/****************************************************************************** + * USB host + ******************************************************************************/ +#ifdef CONFIG_MACH_TREO680 +static struct pxaohci_platform_data treo680_ohci_info = { + .port_mode = PMM_PERPORT_MODE, + .flags = ENABLE_PORT1 | ENABLE_PORT3, + .power_budget = 0, +}; +#endif /* CONFIG_MACH_TREO680 */ + +/****************************************************************************** + * Power supply + ******************************************************************************/ +static int power_supply_init(struct device *dev) +{ + int ret; + + ret = gpio_request(GPIO_NR_TREO_POWER_DETECT, "CABLE_STATE_AC"); + if (ret) + goto err1; + ret = gpio_direction_input(GPIO_NR_TREO_POWER_DETECT); + if (ret) + goto err2; + + return 0; + +err2: + gpio_free(GPIO_NR_TREO_POWER_DETECT); +err1: + return ret; +} + +static int treo_is_ac_online(void) +{ + return gpio_get_value(GPIO_NR_TREO_POWER_DETECT); +} + +static void power_supply_exit(struct device *dev) +{ + gpio_free(GPIO_NR_TREO_POWER_DETECT); +} + +static char *treo_supplicants[] = { + "main-battery", +}; + +static struct pda_power_pdata power_supply_info = { + .init = power_supply_init, + .is_ac_online = treo_is_ac_online, + .exit = power_supply_exit, + .supplied_to = treo_supplicants, + .num_supplicants = ARRAY_SIZE(treo_supplicants), +}; + +static struct platform_device power_supply = { + .name = "pda-power", + .id = -1, + .dev = { + .platform_data = &power_supply_info, + }, +}; + +/****************************************************************************** + * Vibra and LEDs + ******************************************************************************/ +#ifdef CONFIG_MACH_TREO680 +static struct gpio_led treo680_gpio_leds[] = { + { + .name = "treo680:vibra:vibra", + .default_trigger = "none", + .gpio = GPIO_NR_TREO680_VIBRATE_EN, + }, + { + .name = "treo680:green:led", + .default_trigger = "mmc0", + .gpio = GPIO_NR_TREO_GREEN_LED, + }, + { + .name = "treo680:white:keybbl", + .default_trigger = "none", + .gpio = GPIO_NR_TREO680_KEYB_BL, + }, +}; + +static struct gpio_led_platform_data treo680_gpio_led_info = { + .leds = treo680_gpio_leds, + .num_leds = ARRAY_SIZE(treo680_gpio_leds), +}; + +static struct platform_device treo680_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &treo680_gpio_led_info, + } +}; +#endif /* CONFIG_MACH_TREO680 */ + +/****************************************************************************** + * Framebuffer + ******************************************************************************/ +/* TODO: add support for 324x324 */ +static struct pxafb_mode_info treo_lcd_modes[] = { +{ + .pixclock = 86538, + .xres = 320, + .yres = 320, + .bpp = 16, + + .left_margin = 20, + .right_margin = 8, + .upper_margin = 8, + .lower_margin = 5, + + .hsync_len = 4, + .vsync_len = 1, +}, +}; + +static void treo_lcd_power(int on, struct fb_var_screeninfo *info) +{ + gpio_set_value(GPIO_NR_TREO_BL_POWER, on); +} + +static struct pxafb_mach_info treo_lcd_screen = { + .modes = treo_lcd_modes, + .num_modes = ARRAY_SIZE(treo_lcd_modes), + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, +}; + +/****************************************************************************** + * Power management - standby + ******************************************************************************/ +static void __init treo_pm_init(void) +{ + static u32 resume[] = { + 0xe3a00101, /* mov r0, #0x40000000 */ + 0xe380060f, /* orr r0, r0, #0x00f00000 */ + 0xe590f008, /* ldr pc, [r0, #0x08] */ + }; + + /* this is where the bootloader jumps */ + memcpy(phys_to_virt(TREO_STR_BASE), resume, sizeof(resume)); +} + +/****************************************************************************** + * Machine init + ******************************************************************************/ +static struct platform_device *treo_devices[] __initdata = { + &treo_backlight, + &power_supply, +}; + +#ifdef CONFIG_MACH_TREO680 +static struct platform_device *treo680_devices[] __initdata = { + &treo680_leds, +}; +#endif /* CONFIG_MACH_TREO680 */ + +/* setup udc GPIOs initial state */ +static void __init treo_udc_init(void) +{ + if (!gpio_request(GPIO_NR_TREO_USB_PULLUP, "UDC Vbus")) { + gpio_direction_output(GPIO_NR_TREO_USB_PULLUP, 1); + gpio_free(GPIO_NR_TREO_USB_PULLUP); + } +} + +static void __init treo_lcd_power_init(void) +{ + int ret; + + ret = gpio_request(GPIO_NR_TREO_LCD_POWER, "LCD POWER"); + if (ret) { + pr_err("Treo680: LCD power GPIO request failed!\n"); + return; + } + + ret = gpio_direction_output(GPIO_NR_TREO_LCD_POWER, 0); + if (ret) { + pr_err("Treo680: setting LCD power GPIO direction failed!\n"); + gpio_free(GPIO_NR_TREO_LCD_POWER); + return; + } + + treo_lcd_screen.pxafb_lcd_power = treo_lcd_power; +} + +static void __init treo_init(void) +{ + treo_pm_init(); + pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config)); + treo_lcd_power_init(); + set_pxa_fb_info(&treo_lcd_screen); + treo_udc_init(); + pxa_set_udc_info(&treo_udc_info); + pxa_set_ac97_info(&treo_ac97_pdata); + pxa_set_ficp_info(&treo_ficp_info); + + platform_add_devices(ARRAY_AND_SIZE(treo_devices)); +} + +#ifdef CONFIG_MACH_TREO680 +static void __init treo680_init(void) +{ + treo_init(); + pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config)); + pxa_set_mci_info(&treo680_mci_platform_data); + pxa_set_keypad_info(&treo680_keypad_platform_data); + pxa_set_ohci_info(&treo680_ohci_info); + + platform_add_devices(ARRAY_AND_SIZE(treo680_devices)); +} + +MACHINE_START(TREO680, "Palm Treo 680") + .phys_io = TREO_PHYS_IO_START, + .io_pg_offst = io_p2v(0x40000000), + .boot_params = 0xa0000100, + .map_io = pxa_map_io, + .init_irq = pxa27x_init_irq, + .timer = &pxa_timer, + .init_machine = treo680_init, +MACHINE_END +#endif /* CONFIG_MACH_TREO680 */ |