/* * linux/arch/arm/mach-pxa/littleton.c * * Support for the Marvell Littleton Development Platform. * * Author: Jason Chagas (largely modified code) * Created: Nov 20, 2006 * Copyright: (C) Copyright 2006 Marvell International Ltd. * * 2007-11-22 modified to align with latest kernel * eric miao <eric.miao@marvell.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 * publishhed by the Free Software Foundation. */ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/gpio.h> #include <linux/spi/spi.h> #include <linux/smc91x.h> #include <linux/i2c.h> #include <linux/leds.h> #include <linux/mfd/da903x.h> #include <linux/i2c/max732x.h> #include <asm/types.h> #include <asm/setup.h> #include <asm/memory.h> #include <asm/mach-types.h> #include <mach/hardware.h> #include <asm/irq.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> #include <mach/pxa300.h> #include <mach/pxafb.h> #include <mach/ssp.h> #include <mach/pxa2xx_spi.h> #include <mach/i2c.h> #include <mach/pxa27x_keypad.h> #include <mach/pxa3xx_nand.h> #include <mach/littleton.h> #include "generic.h" /* Littleton MFP configurations */ static mfp_cfg_t littleton_mfp_cfg[] __initdata = { /* LCD */ GPIO54_LCD_LDD_0, GPIO55_LCD_LDD_1, GPIO56_LCD_LDD_2, GPIO57_LCD_LDD_3, GPIO58_LCD_LDD_4, GPIO59_LCD_LDD_5, GPIO60_LCD_LDD_6, GPIO61_LCD_LDD_7, GPIO62_LCD_LDD_8, GPIO63_LCD_LDD_9, GPIO64_LCD_LDD_10, GPIO65_LCD_LDD_11, GPIO66_LCD_LDD_12, GPIO67_LCD_LDD_13, GPIO68_LCD_LDD_14, GPIO69_LCD_LDD_15, GPIO70_LCD_LDD_16, GPIO71_LCD_LDD_17, GPIO72_LCD_FCLK, GPIO73_LCD_LCLK, GPIO74_LCD_PCLK, GPIO75_LCD_BIAS, /* SSP2 */ GPIO25_SSP2_SCLK, GPIO27_SSP2_TXD, GPIO17_GPIO, /* SFRM as chip-select */ /* Debug Ethernet */ GPIO90_GPIO, /* Keypad */ GPIO107_KP_DKIN_0, GPIO108_KP_DKIN_1, GPIO115_KP_MKIN_0, GPIO116_KP_MKIN_1, GPIO117_KP_MKIN_2, GPIO118_KP_MKIN_3, GPIO119_KP_MKIN_4, GPIO120_KP_MKIN_5, GPIO121_KP_MKOUT_0, GPIO122_KP_MKOUT_1, GPIO123_KP_MKOUT_2, GPIO124_KP_MKOUT_3, GPIO125_KP_MKOUT_4, }; static struct resource smc91x_resources[] = { [0] = { .start = (LITTLETON_ETH_PHYS + 0x300), .end = (LITTLETON_ETH_PHYS + 0xfffff), .flags = IORESOURCE_MEM, }, [1] = { .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)), .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)), .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, } }; static struct smc91x_platdata littleton_smc91x_info = { .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA, }; static struct platform_device smc91x_device = { .name = "smc91x", .id = 0, .num_resources = ARRAY_SIZE(smc91x_resources), .resource = smc91x_resources, .dev = { .platform_data = &littleton_smc91x_info, }, }; #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = { [0] = { /* VGA */ .pixclock = 38250, .xres = 480, .yres = 640, .bpp = 16, .hsync_len = 8, .left_margin = 8, .right_margin = 24, .vsync_len = 2, .upper_margin = 2, .lower_margin = 4, .sync = 0, }, [1] = { /* QVGA */ .pixclock = 153000, .xres = 240, .yres = 320, .bpp = 16, .hsync_len = 8, .left_margin = 8, .right_margin = 88, .vsync_len = 2, .upper_margin = 2, .lower_margin = 2, .sync = 0, }, }; static struct pxafb_mach_info littleton_lcd_info = { .modes = tpo_tdo24mtea1_modes, .num_modes = 2, .lcd_conn = LCD_COLOR_TFT_16BPP, }; static void littleton_init_lcd(void) { set_pxa_fb_info(&littleton_lcd_info); } #else static inline void littleton_init_lcd(void) {}; #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */ #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) static struct pxa2xx_spi_master littleton_spi_info = { .num_chipselect = 1, }; static void littleton_tdo24m_cs(u32 cmd) { gpio_set_value(LITTLETON_GPIO_LCD_CS, !(cmd == PXA2XX_CS_ASSERT)); } static struct pxa2xx_spi_chip littleton_tdo24m_chip = { .rx_threshold = 1, .tx_threshold = 1, .cs_control = littleton_tdo24m_cs, }; static struct spi_board_info littleton_spi_devices[] __initdata = { { .modalias = "tdo24m", .max_speed_hz = 1000000, .bus_num = 2, .chip_select = 0, .controller_data= &littleton_tdo24m_chip, }, }; static void __init littleton_init_spi(void) { int err; err = gpio_request(LITTLETON_GPIO_LCD_CS, "LCD_CS"); if (err) { pr_warning("failed to request GPIO for LCS CS\n"); return; } gpio_direction_output(LITTLETON_GPIO_LCD_CS, 1); pxa2xx_set_spi_info(2, &littleton_spi_info); spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices)); } #else static inline void littleton_init_spi(void) {} #endif #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) static unsigned int littleton_matrix_key_map[] = { /* KEY(row, col, key_code) */ KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3), KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7), KEY(1, 2, KEY_8), KEY(2, 2, KEY_9), KEY(0, 3, KEY_KPASTERISK), /* * */ KEY(2, 3, KEY_KPDOT), /* # */ KEY(5, 4, KEY_ENTER), KEY(5, 0, KEY_UP), KEY(5, 1, KEY_DOWN), KEY(5, 2, KEY_LEFT), KEY(5, 3, KEY_RIGHT), KEY(3, 2, KEY_HOME), KEY(4, 1, KEY_END), KEY(3, 3, KEY_BACK), KEY(4, 0, KEY_SEND), KEY(4, 2, KEY_VOLUMEUP), KEY(4, 3, KEY_VOLUMEDOWN), KEY(3, 0, KEY_F22), /* soft1 */ KEY(3, 1, KEY_F23), /* soft2 */ }; static struct pxa27x_keypad_platform_data littleton_keypad_info = { .matrix_key_rows = 6, .matrix_key_cols = 5, .matrix_key_map = littleton_matrix_key_map, .matrix_key_map_size = ARRAY_SIZE(littleton_matrix_key_map), .enable_rotary0 = 1, .rotary0_up_key = KEY_UP, .rotary0_down_key = KEY_DOWN, .debounce_interval = 30, }; static void __init littleton_init_keypad(void) { pxa_set_keypad_info(&littleton_keypad_info); } #else static inline void littleton_init_keypad(void) {} #endif #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE) static struct mtd_partition littleton_nand_partitions[] = { [0] = { .name = "Bootloader", .offset = 0, .size = 0x060000, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, [1] = { .name = "Kernel", .offset = 0x060000, .size = 0x200000, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, [2] = { .name = "Filesystem", .offset = 0x0260000, .size = 0x3000000, /* 48M - rootfs */ }, [3] = { .name = "MassStorage", .offset = 0x3260000, .size = 0x3d40000, }, [4] = { .name = "BBT", .offset = 0x6FA0000, .size = 0x80000, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, /* NOTE: we reserve some blocks at the end of the NAND flash for * bad block management, and the max number of relocation blocks * differs on different platforms. Please take care with it when * defining the partition table. */ }; static struct pxa3xx_nand_platform_data littleton_nand_info = { .enable_arbiter = 1, .parts = littleton_nand_partitions, .nr_parts = ARRAY_SIZE(littleton_nand_partitions), }; static void __init littleton_init_nand(void) { pxa3xx_set_nand_info(&littleton_nand_info); } #else static inline void littleton_init_nand(void) {} #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */ #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE) static struct led_info littleton_da9034_leds[] = { [0] = { .name = "littleton:keypad1", .flags = DA9034_LED_RAMP, }, [1] = { .name = "littleton:keypad2", .flags = DA9034_LED_RAMP, }, [2] = { .name = "littleton:vibra", .flags = 0, }, }; static struct da903x_subdev_info littleton_da9034_subdevs[] = { { .name = "da903x-led", .id = DA9034_ID_LED_1, .platform_data = &littleton_da9034_leds[0], }, { .name = "da903x-led", .id = DA9034_ID_LED_2, .platform_data = &littleton_da9034_leds[1], }, { .name = "da903x-led", .id = DA9034_ID_VIBRA, .platform_data = &littleton_da9034_leds[2], }, { .name = "da903x-backlight", .id = DA9034_ID_WLED, }, }; static struct da903x_platform_data littleton_da9034_info = { .num_subdevs = ARRAY_SIZE(littleton_da9034_subdevs), .subdevs = littleton_da9034_subdevs, }; static struct max732x_platform_data littleton_max7320_info = { .gpio_base = EXT0_GPIO_BASE, }; static struct i2c_board_info littleton_i2c_info[] = { [0] = { .type = "da9034", .addr = 0x34, .platform_data = &littleton_da9034_info, .irq = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO18)), }, [1] = { .type = "max7320", .addr = 0x50, .platform_data = &littleton_max7320_info, }, }; static void __init littleton_init_i2c(void) { pxa_set_i2c_info(NULL); i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info)); } #else static inline void littleton_init_i2c(void) {} #endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */ static void __init littleton_init(void) { /* initialize MFP configurations */ pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg)); /* * Note: we depend bootloader set the correct * value to MSC register for SMC91x. */ platform_device_register(&smc91x_device); littleton_init_spi(); littleton_init_i2c(); littleton_init_lcd(); littleton_init_keypad(); littleton_init_nand(); } MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)") .phys_io = 0x40000000, .boot_params = 0xa0000100, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .map_io = pxa_map_io, .init_irq = pxa3xx_init_irq, .timer = &pxa_timer, .init_machine = littleton_init, MACHINE_END