/* * 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-Peter 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/gpio/machine.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 <linux/power/gpio-charger.h> #include <linux/pwm.h> #include <asm/mach-jz4740/gpio.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 <asm/mach-jz4740/platform.h> #include "clock.h" /* 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 */ /* Early prototypes of the QI LB60 had only 1GB of NAND. * In order to support these devices as well 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 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 int qi_lb60_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *oobregion) { if (section) return -ERANGE; oobregion->length = 36; oobregion->offset = 6; if (mtd->oobsize == 128) { oobregion->length *= 2; oobregion->offset *= 2; } return 0; } static int qi_lb60_ooblayout_free(struct mtd_info *mtd, int section, struct mtd_oob_region *oobregion) { int eccbytes = 36, eccoff = 6; if (section > 1) return -ERANGE; if (mtd->oobsize == 128) { eccbytes *= 2; eccoff *= 2; } if (!section) { oobregion->offset = 2; oobregion->length = eccoff - 2; } else { oobregion->offset = eccoff + eccbytes; oobregion->length = mtd->oobsize - oobregion->offset; } return 0; } static const struct mtd_ooblayout_ops qi_lb60_ooblayout_ops = { .ecc = qi_lb60_ooblayout_ecc, .free = qi_lb60_ooblayout_free, }; static void qi_lb60_nand_ident(struct platform_device *pdev, struct mtd_info *mtd, struct mtd_partition **partitions, int *num_partitions) { struct nand_chip *chip = mtd_to_nand(mtd); if (chip->page_shift == 12) { *partitions = qi_lb60_partitions_2gb; *num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb); } else { *partitions = qi_lb60_partitions_1gb; *num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb); } mtd_set_ooblayout(mtd, &qi_lb60_ooblayout_ops); } static struct jz_nand_platform_data qi_lb60_nand_pdata = { .ident_callback = qi_lb60_nand_ident, .banks = { 1 }, }; static struct gpiod_lookup_table qi_lb60_nand_gpio_table = { .dev_id = "jz4740-nand.0", .table = { GPIO_LOOKUP("Bank C", 30, "busy", 0), { }, }, }; /* 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(6), 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, }; /* beeper */ static struct pwm_lookup qi_lb60_pwm_lookup[] = { PWM_LOOKUP("jz4740-pwm", 4, "pwm-beeper", NULL, 0, PWM_POLARITY_NORMAL), }; static struct platform_device qi_lb60_pwm_beeper = { .name = "pwm-beeper", .id = -1, }; /* charger */ static char *qi_lb60_batteries[] = { "battery", }; static struct gpio_charger_platform_data qi_lb60_charger_pdata = { .name = "usb", .type = POWER_SUPPLY_TYPE_USB, .gpio = JZ_GPIO_PORTD(28), .gpio_active_low = 1, .supplied_to = qi_lb60_batteries, .num_supplicants = ARRAY_SIZE(qi_lb60_batteries), }; static struct platform_device qi_lb60_charger_device = { .name = "gpio-charger", .dev = { .platform_data = &qi_lb60_charger_pdata, }, }; /* audio */ static struct platform_device qi_lb60_audio_device = { .name = "qi-lb60-audio", .id = -1, }; static struct gpiod_lookup_table qi_lb60_audio_gpio_table = { .dev_id = "qi-lb60-audio", .table = { GPIO_LOOKUP("Bank B", 29, "snd", 0), GPIO_LOOKUP("Bank D", 4, "amp", 0), { }, }, }; static struct platform_device *jz_platform_devices[] __initdata = { &jz4740_udc_device, &jz4740_udc_xceiv_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_adc_device, &jz4740_pwm_device, &jz4740_dma_device, &qi_lb60_gpio_keys, &qi_lb60_pwm_beeper, &qi_lb60_charger_device, &qi_lb60_audio_device, }; 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 themselves. */ 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; gpiod_add_lookup_table(&qi_lb60_audio_gpio_table); gpiod_add_lookup_table(&qi_lb60_nand_gpio_table); spi_register_board_info(qi_lb60_spi_board_info, ARRAY_SIZE(qi_lb60_spi_board_info)); pwm_add_table(qi_lb60_pwm_lookup, ARRAY_SIZE(qi_lb60_pwm_lookup)); return platform_add_devices(jz_platform_devices, ARRAY_SIZE(jz_platform_devices)); } static int __init qi_lb60_board_setup(void) { printk(KERN_INFO "Qi Hardware JZ4740 QI LB60 setup\n"); board_gpio_setup(); if (qi_lb60_init_platform_devices()) panic("Failed to initialize platform devices"); return 0; } arch_initcall(qi_lb60_board_setup);