/* * linux/arch/arm/mach-pxa/palmtc.c * * Support for the Palm Tungsten|C * * Author: Marek Vasut <marek.vasut@gmail.com> * * Based on work of: * Petr Blaha <p3t3@centrum.cz> * Chetan S. Kumar <shivakumar.chetan@gmail.com> * * 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/platform_device.h> #include <linux/delay.h> #include <linux/irq.h> #include <linux/input.h> #include <linux/pwm_backlight.h> #include <linux/gpio.h> #include <linux/input/matrix_keypad.h> #include <linux/ucb1400.h> #include <linux/power_supply.h> #include <linux/gpio_keys.h> #include <linux/mtd/physmap.h> #include <linux/usb/gpio_vbus.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <mach/pxa25x.h> #include <mach/audio.h> #include <mach/palmtc.h> #include <mach/mmc.h> #include <mach/pxafb.h> #include <mach/irda.h> #include <mach/udc.h> #include "generic.h" #include "devices.h" /****************************************************************************** * Pin configuration ******************************************************************************/ static unsigned long palmtc_pin_config[] __initdata = { /* MMC */ GPIO6_MMC_CLK, GPIO8_MMC_CS0, GPIO12_GPIO, /* detect */ GPIO32_GPIO, /* power */ GPIO54_GPIO, /* r/o switch */ /* PCMCIA */ GPIO52_nPCE_1, GPIO53_nPCE_2, GPIO50_nPIOR, GPIO51_nPIOW, GPIO49_nPWE, GPIO48_nPOE, GPIO52_nPCE_1, GPIO53_nPCE_2, GPIO57_nIOIS16, GPIO56_nPWAIT, /* AC97 */ GPIO28_AC97_BITCLK, GPIO29_AC97_SDATA_IN_0, GPIO30_AC97_SDATA_OUT, GPIO31_AC97_SYNC, /* IrDA */ GPIO45_GPIO, /* ir disable */ GPIO46_FICP_RXD, GPIO47_FICP_TXD, /* PWM */ GPIO17_PWM1_OUT, /* USB */ GPIO4_GPIO, /* detect */ GPIO36_GPIO, /* pullup */ /* LCD */ GPIOxx_LCD_TFT_16BPP, /* MATRIX KEYPAD */ GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 0 */ GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 1 */ GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 2 */ GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 3 */ GPIO18_GPIO | MFP_LPM_DRIVE_LOW, /* out 0 */ GPIO19_GPIO | MFP_LPM_DRIVE_LOW, /* out 1 */ GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* out 2 */ GPIO21_GPIO | MFP_LPM_DRIVE_LOW, /* out 3 */ GPIO22_GPIO | MFP_LPM_DRIVE_LOW, /* out 4 */ GPIO23_GPIO | MFP_LPM_DRIVE_LOW, /* out 5 */ GPIO24_GPIO | MFP_LPM_DRIVE_LOW, /* out 6 */ GPIO25_GPIO | MFP_LPM_DRIVE_LOW, /* out 7 */ GPIO26_GPIO | MFP_LPM_DRIVE_LOW, /* out 8 */ GPIO27_GPIO | MFP_LPM_DRIVE_LOW, /* out 9 */ GPIO79_GPIO | MFP_LPM_DRIVE_LOW, /* out 10 */ GPIO80_GPIO | MFP_LPM_DRIVE_LOW, /* out 11 */ /* PXA GPIO KEYS */ GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH, /* hotsync button on cradle */ /* MISC */ GPIO1_RST, /* reset */ GPIO2_GPIO, /* earphone detect */ GPIO16_GPIO, /* backlight switch */ }; /****************************************************************************** * SD/MMC card controller ******************************************************************************/ #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) static struct pxamci_platform_data palmtc_mci_platform_data = { .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, .gpio_power = GPIO_NR_PALMTC_SD_POWER, .gpio_card_ro = GPIO_NR_PALMTC_SD_READONLY, .gpio_card_detect = GPIO_NR_PALMTC_SD_DETECT_N, .detect_delay_ms = 200, }; static void __init palmtc_mmc_init(void) { pxa_set_mci_info(&palmtc_mci_platform_data); } #else static inline void palmtc_mmc_init(void) {} #endif /****************************************************************************** * GPIO keys ******************************************************************************/ #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) static struct gpio_keys_button palmtc_pxa_buttons[] = { {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1}, }; static struct gpio_keys_platform_data palmtc_pxa_keys_data = { .buttons = palmtc_pxa_buttons, .nbuttons = ARRAY_SIZE(palmtc_pxa_buttons), }; static struct platform_device palmtc_pxa_keys = { .name = "gpio-keys", .id = -1, .dev = { .platform_data = &palmtc_pxa_keys_data, }, }; static void __init palmtc_keys_init(void) { platform_device_register(&palmtc_pxa_keys); } #else static inline void palmtc_keys_init(void) {} #endif /****************************************************************************** * Backlight ******************************************************************************/ #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) static int palmtc_backlight_init(struct device *dev) { int ret; ret = gpio_request(GPIO_NR_PALMTC_BL_POWER, "BL POWER"); if (ret) goto err; ret = gpio_direction_output(GPIO_NR_PALMTC_BL_POWER, 1); if (ret) goto err2; return 0; err2: gpio_free(GPIO_NR_PALMTC_BL_POWER); err: return ret; } static int palmtc_backlight_notify(struct device *dev, int brightness) { /* backlight is on when GPIO16 AF0 is high */ gpio_set_value(GPIO_NR_PALMTC_BL_POWER, brightness); return brightness; } static void palmtc_backlight_exit(struct device *dev) { gpio_free(GPIO_NR_PALMTC_BL_POWER); } static struct platform_pwm_backlight_data palmtc_backlight_data = { .pwm_id = 1, .max_brightness = PALMTC_MAX_INTENSITY, .dft_brightness = PALMTC_MAX_INTENSITY, .pwm_period_ns = PALMTC_PERIOD_NS, .init = palmtc_backlight_init, .notify = palmtc_backlight_notify, .exit = palmtc_backlight_exit, }; static struct platform_device palmtc_backlight = { .name = "pwm-backlight", .dev = { .parent = &pxa25x_device_pwm1.dev, .platform_data = &palmtc_backlight_data, }, }; static void __init palmtc_pwm_init(void) { platform_device_register(&palmtc_backlight); } #else static inline void palmtc_pwm_init(void) {} #endif /****************************************************************************** * IrDA ******************************************************************************/ #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE) static struct pxaficp_platform_data palmtc_ficp_platform_data = { .gpio_pwdown = GPIO_NR_PALMTC_IR_DISABLE, .transceiver_cap = IR_SIRMODE | IR_OFF, }; static void __init palmtc_irda_init(void) { pxa_set_ficp_info(&palmtc_ficp_platform_data); } #else static inline void palmtc_irda_init(void) {} #endif /****************************************************************************** * Keyboard ******************************************************************************/ #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE) static const uint32_t palmtc_matrix_keys[] = { KEY(0, 0, KEY_F1), KEY(0, 1, KEY_X), KEY(0, 2, KEY_POWER), KEY(0, 3, KEY_TAB), KEY(0, 4, KEY_A), KEY(0, 5, KEY_Q), KEY(0, 6, KEY_LEFTSHIFT), KEY(0, 7, KEY_Z), KEY(0, 8, KEY_S), KEY(0, 9, KEY_W), KEY(0, 10, KEY_E), KEY(0, 11, KEY_UP), KEY(1, 0, KEY_F2), KEY(1, 1, KEY_DOWN), KEY(1, 3, KEY_D), KEY(1, 4, KEY_C), KEY(1, 5, KEY_F), KEY(1, 6, KEY_R), KEY(1, 7, KEY_SPACE), KEY(1, 8, KEY_V), KEY(1, 9, KEY_G), KEY(1, 10, KEY_T), KEY(1, 11, KEY_LEFT), KEY(2, 0, KEY_F3), KEY(2, 1, KEY_LEFTCTRL), KEY(2, 3, KEY_H), KEY(2, 4, KEY_Y), KEY(2, 5, KEY_N), KEY(2, 6, KEY_J), KEY(2, 7, KEY_U), KEY(2, 8, KEY_M), KEY(2, 9, KEY_K), KEY(2, 10, KEY_I), KEY(2, 11, KEY_RIGHT), KEY(3, 0, KEY_F4), KEY(3, 1, KEY_ENTER), KEY(3, 3, KEY_DOT), KEY(3, 4, KEY_L), KEY(3, 5, KEY_O), KEY(3, 6, KEY_LEFTALT), KEY(3, 7, KEY_ENTER), KEY(3, 8, KEY_BACKSPACE), KEY(3, 9, KEY_P), KEY(3, 10, KEY_B), KEY(3, 11, KEY_FN), }; const struct matrix_keymap_data palmtc_keymap_data = { .keymap = palmtc_matrix_keys, .keymap_size = ARRAY_SIZE(palmtc_matrix_keys), }; static const unsigned int palmtc_keypad_row_gpios[] = { 0, 9, 10, 11 }; static const unsigned int palmtc_keypad_col_gpios[] = { 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80 }; static struct matrix_keypad_platform_data palmtc_keypad_platform_data = { .keymap_data = &palmtc_keymap_data, .row_gpios = palmtc_keypad_row_gpios, .num_row_gpios = ARRAY_SIZE(palmtc_keypad_row_gpios), .col_gpios = palmtc_keypad_col_gpios, .num_col_gpios = ARRAY_SIZE(palmtc_keypad_col_gpios), .active_low = 1, .debounce_ms = 20, .col_scan_delay_us = 5, }; static struct platform_device palmtc_keyboard = { .name = "matrix-keypad", .id = -1, .dev = { .platform_data = &palmtc_keypad_platform_data, }, }; static void __init palmtc_mkp_init(void) { platform_device_register(&palmtc_keyboard); } #else static inline void palmtc_mkp_init(void) {} #endif /****************************************************************************** * UDC ******************************************************************************/ #if defined(CONFIG_USB_PXA25X)||defined(CONFIG_USB_PXA25X_MODULE) static struct gpio_vbus_mach_info palmtc_udc_info = { .gpio_vbus = GPIO_NR_PALMTC_USB_DETECT_N, .gpio_vbus_inverted = 1, .gpio_pullup = GPIO_NR_PALMTC_USB_POWER, }; static struct platform_device palmtc_gpio_vbus = { .name = "gpio-vbus", .id = -1, .dev = { .platform_data = &palmtc_udc_info, }, }; static void __init palmtc_udc_init(void) { platform_device_register(&palmtc_gpio_vbus); }; #else static inline void palmtc_udc_init(void) {} #endif /****************************************************************************** * Touchscreen / Battery / GPIO-extender ******************************************************************************/ #if defined(CONFIG_TOUCHSCREEN_UCB1400) || \ defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE) static struct platform_device palmtc_ucb1400_device = { .name = "ucb1400_core", .id = -1, }; static void __init palmtc_ts_init(void) { pxa_set_ac97_info(NULL); platform_device_register(&palmtc_ucb1400_device); } #else static inline void palmtc_ts_init(void) {} #endif /****************************************************************************** * LEDs ******************************************************************************/ #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) struct gpio_led palmtc_gpio_leds[] = { { .name = "palmtc:green:user", .default_trigger = "none", .gpio = GPIO_NR_PALMTC_LED_POWER, .active_low = 1, }, { .name = "palmtc:vibra:vibra", .default_trigger = "none", .gpio = GPIO_NR_PALMTC_VIBRA_POWER, .active_low = 1, } }; static struct gpio_led_platform_data palmtc_gpio_led_info = { .leds = palmtc_gpio_leds, .num_leds = ARRAY_SIZE(palmtc_gpio_leds), }; static struct platform_device palmtc_leds = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &palmtc_gpio_led_info, } }; static void __init palmtc_leds_init(void) { platform_device_register(&palmtc_leds); } #else static inline void palmtc_leds_init(void) {} #endif /****************************************************************************** * NOR Flash ******************************************************************************/ #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) static struct resource palmtc_flash_resource = { .start = PXA_CS0_PHYS, .end = PXA_CS0_PHYS + SZ_16M - 1, .flags = IORESOURCE_MEM, }; static struct mtd_partition palmtc_flash_parts[] = { { .name = "U-Boot Bootloader", .offset = 0x0, .size = 0x40000, }, { .name = "Linux Kernel", .offset = 0x40000, .size = 0x2c0000, }, { .name = "Filesystem", .offset = 0x300000, .size = 0xcc0000, }, { .name = "U-Boot Environment", .offset = 0xfc0000, .size = MTDPART_SIZ_FULL, }, }; static struct physmap_flash_data palmtc_flash_data = { .width = 4, .parts = palmtc_flash_parts, .nr_parts = ARRAY_SIZE(palmtc_flash_parts), }; static struct platform_device palmtc_flash = { .name = "physmap-flash", .id = -1, .resource = &palmtc_flash_resource, .num_resources = 1, .dev = { .platform_data = &palmtc_flash_data, }, }; static void __init palmtc_nor_init(void) { platform_device_register(&palmtc_flash); } #else static inline void palmtc_nor_init(void) {} #endif /****************************************************************************** * Framebuffer ******************************************************************************/ #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) static struct pxafb_mode_info palmtc_lcd_modes[] = { { .pixclock = 115384, .xres = 320, .yres = 320, .bpp = 16, .left_margin = 27, .right_margin = 7, .upper_margin = 7, .lower_margin = 8, .hsync_len = 6, .vsync_len = 1, }, }; static struct pxafb_mach_info palmtc_lcd_screen = { .modes = palmtc_lcd_modes, .num_modes = ARRAY_SIZE(palmtc_lcd_modes), .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, }; static void __init palmtc_lcd_init(void) { pxa_set_fb_info(NULL, &palmtc_lcd_screen); } #else static inline void palmtc_lcd_init(void) {} #endif /****************************************************************************** * Machine init ******************************************************************************/ static void __init palmtc_init(void) { pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config)); pxa_set_ffuart_info(NULL); pxa_set_btuart_info(NULL); pxa_set_stuart_info(NULL); pxa_set_hwuart_info(NULL); palmtc_mmc_init(); palmtc_keys_init(); palmtc_pwm_init(); palmtc_irda_init(); palmtc_mkp_init(); palmtc_udc_init(); palmtc_ts_init(); palmtc_nor_init(); palmtc_lcd_init(); palmtc_leds_init(); }; MACHINE_START(PALMTC, "Palm Tungsten|C") .atag_offset = 0x100, .map_io = pxa25x_map_io, .init_irq = pxa25x_init_irq, .handle_irq = pxa25x_handle_irq, .timer = &pxa_timer, .init_machine = palmtc_init, .restart = pxa_restart, MACHINE_END