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- /*
- * 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"
- 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 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 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,
- .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,
- };
- /* 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,
- }
- };
- static struct pwm_lookup qi_lb60_pwm_lookup[] = {
- PWM_LOOKUP("jz4740-pwm", 4, "pwm-beeper", NULL, 0,
- PWM_POLARITY_NORMAL),
- };
- /* beeper */
- 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_rtc_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));
- if (is_avt2) {
- platform_device_register(&avt2_usb_regulator_device);
- platform_device_register(&jz4740_usb_ohci_device);
- }
- 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 __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");
- return 0;
- }
- arch_initcall(qi_lb60_board_setup);
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