/* * Hardware definitions for Palm Zire72 * * Authors: * Vladimir "Farcaller" Pouzanov <farcaller@gmail.com> * Sergey Lapin <slapin@ossfans.org> * Alex Osborne <bobofdoom@gmail.com> * Jan Herman <2hp@seznam.cz> * * Rewrite for mainline: * Marek Vasut <marek.vasut@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. * * (find more info at www.hackndev.com) * */ #include <linux/platform_device.h> #include <linux/syscore_ops.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.h> #include <linux/power_supply.h> #include <linux/usb/gpio_vbus.h> #include <linux/i2c-gpio.h> #include <asm/mach-types.h> #include <asm/suspend.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <mach/pxa27x.h> #include <mach/audio.h> #include <mach/palmz72.h> #include <linux/platform_data/mmc-pxamci.h> #include <linux/platform_data/video-pxafb.h> #include <linux/platform_data/irda-pxaficp.h> #include <linux/platform_data/keypad-pxa27x.h> #include <mach/udc.h> #include <linux/platform_data/asoc-palm27x.h> #include <mach/palm27x.h> #include <mach/pm.h> #include <linux/platform_data/camera-pxa.h> #include <media/soc_camera.h> #include "generic.h" #include "devices.h" /****************************************************************************** * Pin configuration ******************************************************************************/ static unsigned long palmz72_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 */ GPIO115_GPIO, /* SD RO */ GPIO98_GPIO, /* SD power */ /* AC97 */ GPIO28_AC97_BITCLK, GPIO29_AC97_SDATA_IN_0, GPIO30_AC97_SDATA_OUT, GPIO31_AC97_SYNC, GPIO89_AC97_SYSCLK, GPIO113_AC97_nRESET, /* IrDA */ GPIO49_GPIO, /* ir disable */ GPIO46_FICP_RXD, GPIO47_FICP_TXD, /* PWM */ GPIO16_PWM0_OUT, /* USB */ GPIO15_GPIO, /* usb detect */ GPIO95_GPIO, /* usb pullup */ /* 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 */ GPIOxx_LCD_TFT_16BPP, GPIO20_GPIO, /* bl power */ GPIO21_GPIO, /* LCD border switch */ GPIO22_GPIO, /* LCD border color */ GPIO96_GPIO, /* lcd power */ /* PXA Camera */ GPIO81_CIF_DD_0, GPIO48_CIF_DD_5, GPIO50_CIF_DD_3, GPIO51_CIF_DD_2, GPIO52_CIF_DD_4, GPIO53_CIF_MCLK, GPIO54_CIF_PCLK, GPIO55_CIF_DD_1, GPIO84_CIF_FV, GPIO85_CIF_LV, GPIO93_CIF_DD_6, GPIO108_CIF_DD_7, GPIO56_GPIO, /* OV9640 Powerdown */ GPIO57_GPIO, /* OV9640 Reset */ GPIO91_GPIO, /* OV9640 Power */ /* I2C */ GPIO117_GPIO, /* I2C_SCL */ GPIO118_GPIO, /* I2C_SDA */ /* Misc. */ GPIO0_GPIO | WAKEUP_ON_LEVEL_HIGH, /* power detect */ GPIO88_GPIO, /* green led */ GPIO27_GPIO, /* WM9712 IRQ */ }; /****************************************************************************** * GPIO keyboard ******************************************************************************/ #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) static unsigned int palmz72_matrix_keys[] = { KEY(0, 0, KEY_POWER), KEY(0, 1, KEY_F1), KEY(0, 2, KEY_ENTER), KEY(1, 0, KEY_F2), KEY(1, 1, KEY_F3), KEY(1, 2, KEY_F4), KEY(2, 0, KEY_UP), KEY(2, 2, KEY_DOWN), KEY(3, 0, KEY_RIGHT), KEY(3, 2, KEY_LEFT), }; static struct pxa27x_keypad_platform_data palmz72_keypad_platform_data = { .matrix_key_rows = 4, .matrix_key_cols = 3, .matrix_key_map = palmz72_matrix_keys, .matrix_key_map_size = ARRAY_SIZE(palmz72_matrix_keys), .debounce_interval = 30, }; static void __init palmz72_kpc_init(void) { pxa_set_keypad_info(&palmz72_keypad_platform_data); } #else static inline void palmz72_kpc_init(void) {} #endif /****************************************************************************** * LEDs ******************************************************************************/ #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) static struct gpio_led gpio_leds[] = { { .name = "palmz72:green:led", .default_trigger = "none", .gpio = GPIO_NR_PALMZ72_LED_GREEN, }, }; static struct gpio_led_platform_data gpio_led_info = { .leds = gpio_leds, .num_leds = ARRAY_SIZE(gpio_leds), }; static struct platform_device palmz72_leds = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &gpio_led_info, } }; static void __init palmz72_leds_init(void) { platform_device_register(&palmz72_leds); } #else static inline void palmz72_leds_init(void) {} #endif #ifdef CONFIG_PM /* We have some black magic here * PalmOS ROM on recover expects special struct physical address * to be transferred via PSPR. Using this struct PalmOS restores * its state after sleep. As for Linux, we need to setup it the * same way. More than that, PalmOS ROM changes some values in memory. * For now only one location is found, which needs special treatment. * Thanks to Alex Osborne, Andrzej Zaborowski, and lots of other people * for reading backtraces for me :) */ #define PALMZ72_SAVE_DWORD ((unsigned long *)0xc0000050) static struct palmz72_resume_info palmz72_resume_info = { .magic0 = 0xb4e6, .magic1 = 1, /* reset state, MMU off etc */ .arm_control = 0, .aux_control = 0, .ttb = 0, .domain_access = 0, .process_id = 0, }; static unsigned long store_ptr; /* syscore_ops for Palm Zire 72 PM */ static int palmz72_pm_suspend(void) { /* setup the resume_info struct for the original bootloader */ palmz72_resume_info.resume_addr = (u32) cpu_resume; /* Storing memory touched by ROM */ store_ptr = *PALMZ72_SAVE_DWORD; /* Setting PSPR to a proper value */ PSPR = virt_to_phys(&palmz72_resume_info); return 0; } static void palmz72_pm_resume(void) { *PALMZ72_SAVE_DWORD = store_ptr; } static struct syscore_ops palmz72_pm_syscore_ops = { .suspend = palmz72_pm_suspend, .resume = palmz72_pm_resume, }; static int __init palmz72_pm_init(void) { if (machine_is_palmz72()) { register_syscore_ops(&palmz72_pm_syscore_ops); return 0; } return -ENODEV; } device_initcall(palmz72_pm_init); #endif /****************************************************************************** * SoC Camera ******************************************************************************/ #if defined(CONFIG_SOC_CAMERA_OV9640) || \ defined(CONFIG_SOC_CAMERA_OV9640_MODULE) static struct pxacamera_platform_data palmz72_pxacamera_platform_data = { .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN, .mclk_10khz = 2600, }; /* Board I2C devices. */ static struct i2c_board_info palmz72_i2c_device[] = { { I2C_BOARD_INFO("ov9640", 0x30), } }; static int palmz72_camera_power(struct device *dev, int power) { gpio_set_value(GPIO_NR_PALMZ72_CAM_PWDN, !power); mdelay(50); return 0; } static int palmz72_camera_reset(struct device *dev) { gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 1); mdelay(50); gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 0); mdelay(50); return 0; } static struct soc_camera_link palmz72_iclink = { .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */ .board_info = &palmz72_i2c_device[0], .i2c_adapter_id = 0, .module_name = "ov96xx", .power = &palmz72_camera_power, .reset = &palmz72_camera_reset, .flags = SOCAM_DATAWIDTH_8, }; static struct i2c_gpio_platform_data palmz72_i2c_bus_data = { .sda_pin = 118, .scl_pin = 117, .udelay = 10, .timeout = 100, }; static struct platform_device palmz72_i2c_bus_device = { .name = "i2c-gpio", .id = 0, /* we use this as a replacement for i2c-pxa */ .dev = { .platform_data = &palmz72_i2c_bus_data, } }; static struct platform_device palmz72_camera = { .name = "soc-camera-pdrv", .id = -1, .dev = { .platform_data = &palmz72_iclink, }, }; /* Here we request the camera GPIOs and configure them. We power up the camera * module, deassert the reset pin, but put it into powerdown (low to no power * consumption) mode. This allows us to later bring the module up fast. */ static struct gpio palmz72_camera_gpios[] = { { GPIO_NR_PALMZ72_CAM_POWER, GPIOF_INIT_HIGH,"Camera DVDD" }, { GPIO_NR_PALMZ72_CAM_RESET, GPIOF_INIT_LOW, "Camera RESET" }, { GPIO_NR_PALMZ72_CAM_PWDN, GPIOF_INIT_LOW, "Camera PWDN" }, }; static inline void __init palmz72_cam_gpio_init(void) { int ret; ret = gpio_request_array(ARRAY_AND_SIZE(palmz72_camera_gpios)); if (!ret) gpio_free_array(ARRAY_AND_SIZE(palmz72_camera_gpios)); else printk(KERN_ERR "Camera GPIO init failed!\n"); return; } static void __init palmz72_camera_init(void) { palmz72_cam_gpio_init(); pxa_set_camera_info(&palmz72_pxacamera_platform_data); platform_device_register(&palmz72_i2c_bus_device); platform_device_register(&palmz72_camera); } #else static inline void palmz72_camera_init(void) {} #endif /****************************************************************************** * Machine init ******************************************************************************/ static void __init palmz72_init(void) { pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config)); pxa_set_ffuart_info(NULL); pxa_set_btuart_info(NULL); pxa_set_stuart_info(NULL); palm27x_mmc_init(GPIO_NR_PALMZ72_SD_DETECT_N, GPIO_NR_PALMZ72_SD_RO, GPIO_NR_PALMZ72_SD_POWER_N, 1); palm27x_lcd_init(-1, &palm_320x320_lcd_mode); palm27x_udc_init(GPIO_NR_PALMZ72_USB_DETECT_N, GPIO_NR_PALMZ72_USB_PULLUP, 0); palm27x_irda_init(GPIO_NR_PALMZ72_IR_DISABLE); palm27x_ac97_init(PALMZ72_BAT_MIN_VOLTAGE, PALMZ72_BAT_MAX_VOLTAGE, -1, 113); palm27x_pwm_init(-1, -1); palm27x_power_init(-1, -1); palm27x_pmic_init(); palmz72_kpc_init(); palmz72_leds_init(); palmz72_camera_init(); } MACHINE_START(PALMZ72, "Palm Zire72") .atag_offset = 0x100, .map_io = pxa27x_map_io, .nr_irqs = PXA_NR_IRQS, .init_irq = pxa27x_init_irq, .handle_irq = pxa27x_handle_irq, .timer = &pxa_timer, .init_machine = palmz72_init, .restart = pxa_restart, MACHINE_END