| /* |
| * linux/arch/mips/jz4740/board-qi_lb60.c |
| * |
| * QI_LB60 board support |
| * |
| * Copyright (c) 2009 Qi Hardware inc., |
| * Author: Xiangfu Liu <xiangfu@qi-hardware.com> |
| * Copyright 2010, Lars-Petrer Clausen <lars@metafoo.de> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 or later |
| * as published by the Free Software Foundation. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/gpio.h> |
| |
| #include <linux/input.h> |
| #include <linux/gpio_keys.h> |
| #include <linux/input/matrix_keypad.h> |
| #include <linux/spi/spi.h> |
| #include <linux/spi/spi_gpio.h> |
| #include <linux/power_supply.h> |
| #include <linux/power/jz4740-battery.h> |
| |
| #include <asm/mach-jz4740/jz4740_fb.h> |
| #include <asm/mach-jz4740/jz4740_mmc.h> |
| #include <asm/mach-jz4740/jz4740_nand.h> |
| |
| #include <linux/regulator/fixed.h> |
| #include <linux/regulator/machine.h> |
| |
| #include <linux/leds_pwm.h> |
| |
| #include <asm/mach-jz4740/platform.h> |
| |
| #include "clock.h" |
| |
| static bool is_avt2; |
| |
| /* GPIOs */ |
| #define QI_LB60_GPIO_SD_CD JZ_GPIO_PORTD(0) |
| #define QI_LB60_GPIO_SD_VCC_EN_N JZ_GPIO_PORTD(2) |
| |
| #define QI_LB60_GPIO_KEYOUT(x) (JZ_GPIO_PORTC(10) + (x)) |
| #define QI_LB60_GPIO_KEYIN(x) (JZ_GPIO_PORTD(18) + (x)) |
| #define QI_LB60_GPIO_KEYIN8 JZ_GPIO_PORTD(26) |
| |
| /* NAND */ |
| static struct nand_ecclayout qi_lb60_ecclayout_1gb = { |
| /* .eccbytes = 36, |
| .eccpos = { |
| 6, 7, 8, 9, 10, 11, 12, 13, |
| 14, 15, 16, 17, 18, 19, 20, 21, |
| 22, 23, 24, 25, 26, 27, 28, 29, |
| 30, 31, 32, 33, 34, 35, 36, 37, |
| 38, 39, 40, 41 |
| },*/ |
| .oobfree = { |
| { .offset = 2, .length = 4 }, |
| { .offset = 42, .length = 22 } |
| }, |
| }; |
| |
| /* Early prototypes of the QI LB60 had only 1GB of NAND. |
| * In order to support these devices aswell the partition and ecc layout is |
| * initialized depending on the NAND size */ |
| static struct mtd_partition qi_lb60_partitions_1gb[] = { |
| { |
| .name = "NAND BOOT partition", |
| .offset = 0 * 0x100000, |
| .size = 4 * 0x100000, |
| }, |
| { |
| .name = "NAND KERNEL partition", |
| .offset = 4 * 0x100000, |
| .size = 4 * 0x100000, |
| }, |
| { |
| .name = "NAND ROOTFS partition", |
| .offset = 8 * 0x100000, |
| .size = (504 + 512) * 0x100000, |
| }, |
| }; |
| |
| static struct nand_ecclayout qi_lb60_ecclayout_2gb = { |
| /* .eccbytes = 72, |
| .eccpos = { |
| 12, 13, 14, 15, 16, 17, 18, 19, |
| 20, 21, 22, 23, 24, 25, 26, 27, |
| 28, 29, 30, 31, 32, 33, 34, 35, |
| 36, 37, 38, 39, 40, 41, 42, 43, |
| 44, 45, 46, 47, 48, 49, 50, 51, |
| 52, 53, 54, 55, 56, 57, 58, 59, |
| 60, 61, 62, 63, 64, 65, 66, 67, |
| 68, 69, 70, 71, 72, 73, 74, 75, |
| 76, 77, 78, 79, 80, 81, 82, 83 |
| },*/ |
| .oobfree = { |
| { .offset = 2, .length = 10 }, |
| { .offset = 84, .length = 44 }, |
| }, |
| }; |
| |
| static struct mtd_partition qi_lb60_partitions_2gb[] = { |
| { |
| .name = "NAND BOOT partition", |
| .offset = 0 * 0x100000, |
| .size = 4 * 0x100000, |
| }, |
| { |
| .name = "NAND KERNEL partition", |
| .offset = 4 * 0x100000, |
| .size = 4 * 0x100000, |
| }, |
| { |
| .name = "NAND ROOTFS partition", |
| .offset = 8 * 0x100000, |
| .size = (504 + 512 + 1024) * 0x100000, |
| }, |
| }; |
| |
| static void qi_lb60_nand_ident(struct platform_device *pdev, |
| struct nand_chip *chip, struct mtd_partition **partitions, |
| int *num_partitions) |
| { |
| if (chip->page_shift == 12) { |
| chip->ecc.layout = &qi_lb60_ecclayout_2gb; |
| *partitions = qi_lb60_partitions_2gb; |
| *num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb); |
| } else { |
| chip->ecc.layout = &qi_lb60_ecclayout_1gb; |
| *partitions = qi_lb60_partitions_1gb; |
| *num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb); |
| } |
| } |
| |
| static struct jz_nand_platform_data qi_lb60_nand_pdata = { |
| .ident_callback = qi_lb60_nand_ident, |
| .busy_gpio = 94, |
| }; |
| |
| /* Keyboard*/ |
| |
| #define KEY_QI_QI KEY_F13 |
| #define KEY_QI_UPRED KEY_RIGHTALT |
| #define KEY_QI_VOLUP KEY_VOLUMEUP |
| #define KEY_QI_VOLDOWN KEY_VOLUMEDOWN |
| #define KEY_QI_FN KEY_LEFTCTRL |
| |
| static const uint32_t qi_lb60_keymap[] = { |
| KEY(0, 0, KEY_F1), /* S2 */ |
| KEY(0, 1, KEY_F2), /* S3 */ |
| KEY(0, 2, KEY_F3), /* S4 */ |
| KEY(0, 3, KEY_F4), /* S5 */ |
| KEY(0, 4, KEY_F5), /* S6 */ |
| KEY(0, 5, KEY_F6), /* S7 */ |
| KEY(0, 6, KEY_F7), /* S8 */ |
| |
| KEY(1, 0, KEY_Q), /* S10 */ |
| KEY(1, 1, KEY_W), /* S11 */ |
| KEY(1, 2, KEY_E), /* S12 */ |
| KEY(1, 3, KEY_R), /* S13 */ |
| KEY(1, 4, KEY_T), /* S14 */ |
| KEY(1, 5, KEY_Y), /* S15 */ |
| KEY(1, 6, KEY_U), /* S16 */ |
| KEY(1, 7, KEY_I), /* S17 */ |
| KEY(2, 0, KEY_A), /* S18 */ |
| KEY(2, 1, KEY_S), /* S19 */ |
| KEY(2, 2, KEY_D), /* S20 */ |
| KEY(2, 3, KEY_F), /* S21 */ |
| KEY(2, 4, KEY_G), /* S22 */ |
| KEY(2, 5, KEY_H), /* S23 */ |
| KEY(2, 6, KEY_J), /* S24 */ |
| KEY(2, 7, KEY_K), /* S25 */ |
| KEY(3, 0, KEY_ESC), /* S26 */ |
| KEY(3, 1, KEY_Z), /* S27 */ |
| KEY(3, 2, KEY_X), /* S28 */ |
| KEY(3, 3, KEY_C), /* S29 */ |
| KEY(3, 4, KEY_V), /* S30 */ |
| KEY(3, 5, KEY_B), /* S31 */ |
| KEY(3, 6, KEY_N), /* S32 */ |
| KEY(3, 7, KEY_M), /* S33 */ |
| KEY(4, 0, KEY_TAB), /* S34 */ |
| KEY(4, 1, KEY_CAPSLOCK), /* S35 */ |
| KEY(4, 2, KEY_BACKSLASH), /* S36 */ |
| KEY(4, 3, KEY_APOSTROPHE), /* S37 */ |
| KEY(4, 4, KEY_COMMA), /* S38 */ |
| KEY(4, 5, KEY_DOT), /* S39 */ |
| KEY(4, 6, KEY_SLASH), /* S40 */ |
| KEY(4, 7, KEY_UP), /* S41 */ |
| KEY(5, 0, KEY_O), /* S42 */ |
| KEY(5, 1, KEY_L), /* S43 */ |
| KEY(5, 2, KEY_EQUAL), /* S44 */ |
| KEY(5, 3, KEY_QI_UPRED), /* S45 */ |
| KEY(5, 4, KEY_SPACE), /* S46 */ |
| KEY(5, 5, KEY_QI_QI), /* S47 */ |
| KEY(5, 6, KEY_RIGHTCTRL), /* S48 */ |
| KEY(5, 7, KEY_LEFT), /* S49 */ |
| KEY(6, 0, KEY_F8), /* S50 */ |
| KEY(6, 1, KEY_P), /* S51 */ |
| KEY(6, 2, KEY_BACKSPACE),/* S52 */ |
| KEY(6, 3, KEY_ENTER), /* S53 */ |
| KEY(6, 4, KEY_QI_VOLUP), /* S54 */ |
| KEY(6, 5, KEY_QI_VOLDOWN), /* S55 */ |
| KEY(6, 6, KEY_DOWN), /* S56 */ |
| KEY(6, 7, KEY_RIGHT), /* S57 */ |
| |
| KEY(7, 0, KEY_LEFTSHIFT), /* S58 */ |
| KEY(7, 1, KEY_LEFTALT), /* S59 */ |
| KEY(7, 2, KEY_QI_FN), /* S60 */ |
| }; |
| |
| static const struct matrix_keymap_data qi_lb60_keymap_data = { |
| .keymap = qi_lb60_keymap, |
| .keymap_size = ARRAY_SIZE(qi_lb60_keymap), |
| }; |
| |
| static const unsigned int qi_lb60_keypad_cols[] = { |
| QI_LB60_GPIO_KEYOUT(0), |
| QI_LB60_GPIO_KEYOUT(1), |
| QI_LB60_GPIO_KEYOUT(2), |
| QI_LB60_GPIO_KEYOUT(3), |
| QI_LB60_GPIO_KEYOUT(4), |
| QI_LB60_GPIO_KEYOUT(5), |
| QI_LB60_GPIO_KEYOUT(6), |
| QI_LB60_GPIO_KEYOUT(7), |
| }; |
| |
| static const unsigned int qi_lb60_keypad_rows[] = { |
| QI_LB60_GPIO_KEYIN(0), |
| QI_LB60_GPIO_KEYIN(1), |
| QI_LB60_GPIO_KEYIN(2), |
| QI_LB60_GPIO_KEYIN(3), |
| QI_LB60_GPIO_KEYIN(4), |
| QI_LB60_GPIO_KEYIN(5), |
| QI_LB60_GPIO_KEYIN(7), |
| QI_LB60_GPIO_KEYIN8, |
| }; |
| |
| static struct matrix_keypad_platform_data qi_lb60_pdata = { |
| .keymap_data = &qi_lb60_keymap_data, |
| .col_gpios = qi_lb60_keypad_cols, |
| .row_gpios = qi_lb60_keypad_rows, |
| .num_col_gpios = ARRAY_SIZE(qi_lb60_keypad_cols), |
| .num_row_gpios = ARRAY_SIZE(qi_lb60_keypad_rows), |
| .col_scan_delay_us = 10, |
| .debounce_ms = 10, |
| .wakeup = 1, |
| .active_low = 1, |
| }; |
| |
| static struct platform_device qi_lb60_keypad = { |
| .name = "matrix-keypad", |
| .id = -1, |
| .dev = { |
| .platform_data = &qi_lb60_pdata, |
| }, |
| }; |
| |
| /* Display */ |
| static struct fb_videomode qi_lb60_video_modes[] = { |
| { |
| .name = "320x240", |
| .xres = 320, |
| .yres = 240, |
| .refresh = 30, |
| .left_margin = 140, |
| .right_margin = 273, |
| .upper_margin = 20, |
| .lower_margin = 2, |
| .hsync_len = 1, |
| .vsync_len = 1, |
| .sync = 0, |
| .vmode = FB_VMODE_NONINTERLACED, |
| }, |
| }; |
| |
| static struct jz4740_fb_platform_data qi_lb60_fb_pdata = { |
| .width = 60, |
| .height = 45, |
| .num_modes = ARRAY_SIZE(qi_lb60_video_modes), |
| .modes = qi_lb60_video_modes, |
| .bpp = 24, |
| .lcd_type = JZ_LCD_TYPE_8BIT_SERIAL, |
| .pixclk_falling_edge = 1, |
| }; |
| |
| struct spi_gpio_platform_data spigpio_platform_data = { |
| .sck = JZ_GPIO_PORTC(23), |
| .mosi = JZ_GPIO_PORTC(22), |
| .miso = -1, |
| .num_chipselect = 1, |
| }; |
| |
| static struct platform_device spigpio_device = { |
| .name = "spi_gpio", |
| .id = 1, |
| .dev = { |
| .platform_data = &spigpio_platform_data, |
| }, |
| }; |
| |
| static struct spi_board_info qi_lb60_spi_board_info[] = { |
| { |
| .modalias = "ili8960", |
| .controller_data = (void *)JZ_GPIO_PORTC(21), |
| .chip_select = 0, |
| .bus_num = 1, |
| .max_speed_hz = 30 * 1000, |
| .mode = SPI_3WIRE, |
| }, |
| }; |
| |
| /* Battery */ |
| static struct jz_battery_platform_data qi_lb60_battery_pdata = { |
| .gpio_charge = JZ_GPIO_PORTC(27), |
| .gpio_charge_active_low = 1, |
| .info = { |
| .name = "battery", |
| .technology = POWER_SUPPLY_TECHNOLOGY_LIPO, |
| .voltage_max_design = 4200000, |
| .voltage_min_design = 3600000, |
| }, |
| }; |
| |
| /* GPIO Key: power */ |
| static struct gpio_keys_button qi_lb60_gpio_keys_buttons[] = { |
| [0] = { |
| .code = KEY_POWER, |
| .gpio = JZ_GPIO_PORTD(29), |
| .active_low = 1, |
| .desc = "Power", |
| .wakeup = 1, |
| }, |
| }; |
| |
| static struct gpio_keys_platform_data qi_lb60_gpio_keys_data = { |
| .nbuttons = ARRAY_SIZE(qi_lb60_gpio_keys_buttons), |
| .buttons = qi_lb60_gpio_keys_buttons, |
| }; |
| |
| static struct platform_device qi_lb60_gpio_keys = { |
| .name = "gpio-keys", |
| .id = -1, |
| .dev = { |
| .platform_data = &qi_lb60_gpio_keys_data, |
| } |
| }; |
| |
| static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata = { |
| .gpio_card_detect = QI_LB60_GPIO_SD_CD, |
| .gpio_read_only = -1, |
| .gpio_power = QI_LB60_GPIO_SD_VCC_EN_N, |
| .power_active_low = 1, |
| }; |
| |
| /* OHCI */ |
| static struct regulator_consumer_supply avt2_usb_regulator_consumer = |
| REGULATOR_SUPPLY("vbus", "jz4740-ohci"); |
| |
| static struct regulator_init_data avt2_usb_regulator_init_data = { |
| .num_consumer_supplies = 1, |
| .consumer_supplies = &avt2_usb_regulator_consumer, |
| .constraints = { |
| .name = "USB power", |
| .min_uV = 5000000, |
| .max_uV = 5000000, |
| .valid_modes_mask = REGULATOR_MODE_NORMAL, |
| .valid_ops_mask = REGULATOR_CHANGE_STATUS, |
| }, |
| }; |
| |
| static struct fixed_voltage_config avt2_usb_regulator_data = { |
| .supply_name = "USB power", |
| .microvolts = 5000000, |
| .gpio = JZ_GPIO_PORTB(17), |
| .init_data = &avt2_usb_regulator_init_data, |
| }; |
| |
| static struct platform_device avt2_usb_regulator_device = { |
| .name = "reg-fixed-voltage", |
| .id = -1, |
| .dev = { |
| .platform_data = &avt2_usb_regulator_data, |
| } |
| }; |
| |
| /* beeper */ |
| static struct platform_device qi_lb60_pwm_beeper = { |
| .name = "pwm-beeper", |
| .id = -1, |
| .dev = { |
| .platform_data = (void *)4, |
| }, |
| }; |
| |
| static struct platform_device *jz_platform_devices[] __initdata = { |
| &jz4740_udc_device, |
| &jz4740_mmc_device, |
| &jz4740_nand_device, |
| &qi_lb60_keypad, |
| &spigpio_device, |
| &jz4740_framebuffer_device, |
| &jz4740_pcm_device, |
| &jz4740_i2s_device, |
| &jz4740_codec_device, |
| &jz4740_rtc_device, |
| &jz4740_adc_device, |
| &qi_lb60_gpio_keys, |
| &qi_lb60_pwm_beeper, |
| }; |
| |
| static void __init board_gpio_setup(void) |
| { |
| /* We only need to enable/disable pullup here for pins used in generic |
| * drivers. Everything else is done by the drivers themselfs. */ |
| jz_gpio_disable_pullup(QI_LB60_GPIO_SD_VCC_EN_N); |
| jz_gpio_disable_pullup(QI_LB60_GPIO_SD_CD); |
| } |
| |
| static int __init qi_lb60_init_platform_devices(void) |
| { |
| jz4740_framebuffer_device.dev.platform_data = &qi_lb60_fb_pdata; |
| jz4740_nand_device.dev.platform_data = &qi_lb60_nand_pdata; |
| jz4740_adc_device.dev.platform_data = &qi_lb60_battery_pdata; |
| jz4740_mmc_device.dev.platform_data = &qi_lb60_mmc_pdata; |
| |
| jz4740_serial_device_register(); |
| |
| spi_register_board_info(qi_lb60_spi_board_info, |
| ARRAY_SIZE(qi_lb60_spi_board_info)); |
| |
| if (is_avt2) { |
| platform_device_register(&avt2_usb_regulator_device); |
| platform_device_register(&jz4740_usb_ohci_device); |
| } |
| |
| return platform_add_devices(jz_platform_devices, |
| ARRAY_SIZE(jz_platform_devices)); |
| |
| } |
| |
| struct jz4740_clock_board_data jz4740_clock_bdata = { |
| .ext_rate = 12000000, |
| .rtc_rate = 32768, |
| }; |
| |
| static __init int board_avt2(char *str) |
| { |
| qi_lb60_mmc_pdata.card_detect_active_low = 1; |
| is_avt2 = true; |
| |
| return 1; |
| } |
| __setup("avt2", board_avt2); |
| |
| static int __init qi_lb60_board_setup(void) |
| { |
| printk(KERN_INFO "Qi Hardware JZ4740 QI %s setup\n", |
| is_avt2 ? "AVT2" : "LB60"); |
| |
| board_gpio_setup(); |
| |
| if (qi_lb60_init_platform_devices()) |
| panic("Failed to initialize platform devices\n"); |
| |
| return 0; |
| } |
| arch_initcall(qi_lb60_board_setup); |