Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Marek Vašut | 2397 | 87.83% | 7 | 19.44% |
Linus Walleij | 108 | 3.96% | 3 | 8.33% |
Vasily Khoruzhick | 96 | 3.52% | 7 | 19.44% |
Thierry Reding | 51 | 1.87% | 1 | 2.78% |
Chao Xie | 24 | 0.88% | 1 | 2.78% |
Eric Miao | 13 | 0.48% | 3 | 8.33% |
Russell King | 8 | 0.29% | 2 | 5.56% |
Axel Lin | 6 | 0.22% | 1 | 2.78% |
Arnd Bergmann | 6 | 0.22% | 2 | 5.56% |
Rob Herring | 5 | 0.18% | 1 | 2.78% |
Sebastian Andrzej Siewior | 5 | 0.18% | 2 | 5.56% |
Lubomir Rintel | 2 | 0.07% | 1 | 2.78% |
Thomas Gleixner | 2 | 0.07% | 1 | 2.78% |
Stephen Warren | 2 | 0.07% | 1 | 2.78% |
Nico Pitre | 2 | 0.07% | 1 | 2.78% |
Haojian Zhuang | 1 | 0.04% | 1 | 2.78% |
Wolfram Sang | 1 | 0.04% | 1 | 2.78% |
Total | 2729 | 36 |
// SPDX-License-Identifier: GPL-2.0-only /* * linux/arch/arm/mach-pxa/z2.c * * Support for the Zipit Z2 Handheld device. * * Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com> * * Based on research and code by: Ken McGuire * Based on mainstone.c as modified for the Zipit Z2. */ #include <linux/platform_device.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/pwm.h> #include <linux/pwm_backlight.h> #include <linux/z2_battery.h> #include <linux/dma-mapping.h> #include <linux/spi/spi.h> #include <linux/spi/pxa2xx_spi.h> #include <linux/spi/libertas_spi.h> #include <linux/power_supply.h> #include <linux/mtd/physmap.h> #include <linux/gpio.h> #include <linux/gpio/machine.h> #include <linux/gpio_keys.h> #include <linux/delay.h> #include <linux/regulator/machine.h> #include <linux/platform_data/i2c-pxa.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include "pxa27x.h" #include "mfp-pxa27x.h" #include <mach/z2.h> #include <linux/platform_data/video-pxafb.h> #include <linux/platform_data/mmc-pxamci.h> #include <linux/platform_data/keypad-pxa27x.h> #include "pm.h" #include "generic.h" #include "devices.h" /****************************************************************************** * Pin configuration ******************************************************************************/ static unsigned long z2_pin_config[] = { /* LCD - 16bpp Active TFT */ GPIO58_LCD_LDD_0, GPIO59_LCD_LDD_1, GPIO60_LCD_LDD_2, GPIO61_LCD_LDD_3, GPIO62_LCD_LDD_4, GPIO63_LCD_LDD_5, GPIO64_LCD_LDD_6, GPIO65_LCD_LDD_7, GPIO66_LCD_LDD_8, GPIO67_LCD_LDD_9, GPIO68_LCD_LDD_10, GPIO69_LCD_LDD_11, GPIO70_LCD_LDD_12, GPIO71_LCD_LDD_13, GPIO72_LCD_LDD_14, GPIO73_LCD_LDD_15, GPIO74_LCD_FCLK, GPIO75_LCD_LCLK, GPIO76_LCD_PCLK, GPIO77_LCD_BIAS, GPIO19_GPIO, /* LCD reset */ GPIO88_GPIO, /* LCD chipselect */ /* PWM */ GPIO115_PWM1_OUT, /* Keypad Backlight */ GPIO11_PWM2_OUT, /* LCD Backlight */ /* MMC */ GPIO32_MMC_CLK, GPIO112_MMC_CMD, GPIO92_MMC_DAT_0, GPIO109_MMC_DAT_1, GPIO110_MMC_DAT_2, GPIO111_MMC_DAT_3, GPIO96_GPIO, /* SD detect */ /* STUART */ GPIO46_STUART_RXD, GPIO47_STUART_TXD, /* Keypad */ GPIO100_KP_MKIN_0, GPIO101_KP_MKIN_1, GPIO102_KP_MKIN_2, GPIO34_KP_MKIN_3, GPIO38_KP_MKIN_4, GPIO16_KP_MKIN_5, GPIO17_KP_MKIN_6, GPIO103_KP_MKOUT_0, GPIO104_KP_MKOUT_1, GPIO105_KP_MKOUT_2, GPIO106_KP_MKOUT_3, GPIO107_KP_MKOUT_4, GPIO108_KP_MKOUT_5, GPIO35_KP_MKOUT_6, GPIO41_KP_MKOUT_7, /* I2C */ GPIO117_I2C_SCL, GPIO118_I2C_SDA, /* SSP1 */ GPIO23_SSP1_SCLK, /* SSP1_SCK */ GPIO25_SSP1_TXD, /* SSP1_TXD */ GPIO26_SSP1_RXD, /* SSP1_RXD */ /* SSP2 */ GPIO22_SSP2_SCLK, /* SSP2_SCK */ GPIO13_SSP2_TXD, /* SSP2_TXD */ GPIO40_SSP2_RXD, /* SSP2_RXD */ /* LEDs */ GPIO10_GPIO, /* WiFi LED */ GPIO83_GPIO, /* Charging LED */ GPIO85_GPIO, /* Charged LED */ /* I2S */ GPIO28_I2S_BITCLK_OUT, GPIO29_I2S_SDATA_IN, GPIO30_I2S_SDATA_OUT, GPIO31_I2S_SYNC, GPIO113_I2S_SYSCLK, /* MISC */ GPIO0_GPIO, /* AC power detect */ GPIO1_GPIO, /* Power button */ GPIO37_GPIO, /* Headphone detect */ GPIO98_GPIO, /* Lid switch */ GPIO14_GPIO, /* WiFi Power */ GPIO24_GPIO, /* WiFi CS */ GPIO36_GPIO, /* WiFi IRQ */ GPIO88_GPIO, /* LCD CS */ }; /****************************************************************************** * NOR Flash ******************************************************************************/ #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) static struct resource z2_flash_resource = { .start = PXA_CS0_PHYS, .end = PXA_CS0_PHYS + SZ_8M - 1, .flags = IORESOURCE_MEM, }; static struct mtd_partition z2_flash_parts[] = { { .name = "U-Boot Bootloader", .offset = 0x0, .size = 0x40000, }, { .name = "U-Boot Environment", .offset = 0x40000, .size = 0x20000, }, { .name = "Flash", .offset = 0x60000, .size = MTDPART_SIZ_FULL, }, }; static struct physmap_flash_data z2_flash_data = { .width = 2, .parts = z2_flash_parts, .nr_parts = ARRAY_SIZE(z2_flash_parts), }; static struct platform_device z2_flash = { .name = "physmap-flash", .id = -1, .resource = &z2_flash_resource, .num_resources = 1, .dev = { .platform_data = &z2_flash_data, }, }; static void __init z2_nor_init(void) { platform_device_register(&z2_flash); } #else static inline void z2_nor_init(void) {} #endif /****************************************************************************** * Backlight ******************************************************************************/ #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) static struct pwm_lookup z2_pwm_lookup[] = { PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight.0", NULL, 1260320, PWM_POLARITY_NORMAL), PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.1", NULL, 1260320, PWM_POLARITY_NORMAL), }; static struct platform_pwm_backlight_data z2_backlight_data[] = { [0] = { /* Keypad Backlight */ .max_brightness = 1023, .dft_brightness = 0, }, [1] = { /* LCD Backlight */ .max_brightness = 1023, .dft_brightness = 512, }, }; static struct platform_device z2_backlight_devices[2] = { { .name = "pwm-backlight", .id = 0, .dev = { .platform_data = &z2_backlight_data[1], }, }, { .name = "pwm-backlight", .id = 1, .dev = { .platform_data = &z2_backlight_data[0], }, }, }; static void __init z2_pwm_init(void) { pwm_add_table(z2_pwm_lookup, ARRAY_SIZE(z2_pwm_lookup)); platform_device_register(&z2_backlight_devices[0]); platform_device_register(&z2_backlight_devices[1]); } #else static inline void z2_pwm_init(void) {} #endif /****************************************************************************** * Framebuffer ******************************************************************************/ #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) static struct pxafb_mode_info z2_lcd_modes[] = { { .pixclock = 192000, .xres = 240, .yres = 320, .bpp = 16, .left_margin = 4, .right_margin = 8, .upper_margin = 4, .lower_margin = 8, .hsync_len = 4, .vsync_len = 4, }, }; static struct pxafb_mach_info z2_lcd_screen = { .modes = z2_lcd_modes, .num_modes = ARRAY_SIZE(z2_lcd_modes), .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_BIAS_ACTIVE_LOW | LCD_ALTERNATE_MAPPING, }; static void __init z2_lcd_init(void) { pxa_set_fb_info(NULL, &z2_lcd_screen); } #else static inline void z2_lcd_init(void) {} #endif /****************************************************************************** * SD/MMC card controller ******************************************************************************/ #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) static struct pxamci_platform_data z2_mci_platform_data = { .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, .detect_delay_ms = 200, }; static struct gpiod_lookup_table z2_mci_gpio_table = { .dev_id = "pxa2xx-mci.0", .table = { GPIO_LOOKUP("gpio-pxa", GPIO96_ZIPITZ2_SD_DETECT, "cd", GPIO_ACTIVE_LOW), { }, }, }; static void __init z2_mmc_init(void) { gpiod_add_lookup_table(&z2_mci_gpio_table); pxa_set_mci_info(&z2_mci_platform_data); } #else static inline void z2_mmc_init(void) {} #endif /****************************************************************************** * LEDs ******************************************************************************/ #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) struct gpio_led z2_gpio_leds[] = { { .name = "z2:green:wifi", .default_trigger = "none", .gpio = GPIO10_ZIPITZ2_LED_WIFI, .active_low = 1, }, { .name = "z2:green:charged", .default_trigger = "mmc0", .gpio = GPIO85_ZIPITZ2_LED_CHARGED, .active_low = 1, }, { .name = "z2:amber:charging", .default_trigger = "Z2-charging-or-full", .gpio = GPIO83_ZIPITZ2_LED_CHARGING, .active_low = 1, }, }; static struct gpio_led_platform_data z2_gpio_led_info = { .leds = z2_gpio_leds, .num_leds = ARRAY_SIZE(z2_gpio_leds), }; static struct platform_device z2_leds = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &z2_gpio_led_info, } }; static void __init z2_leds_init(void) { platform_device_register(&z2_leds); } #else static inline void z2_leds_init(void) {} #endif /****************************************************************************** * GPIO keyboard ******************************************************************************/ #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) static const unsigned int z2_matrix_keys[] = { KEY(0, 0, KEY_OPTION), KEY(1, 0, KEY_UP), KEY(2, 0, KEY_DOWN), KEY(3, 0, KEY_LEFT), KEY(4, 0, KEY_RIGHT), KEY(5, 0, KEY_END), KEY(6, 0, KEY_KPPLUS), KEY(0, 1, KEY_HOME), KEY(1, 1, KEY_Q), KEY(2, 1, KEY_I), KEY(3, 1, KEY_G), KEY(4, 1, KEY_X), KEY(5, 1, KEY_ENTER), KEY(6, 1, KEY_KPMINUS), KEY(0, 2, KEY_PAGEUP), KEY(1, 2, KEY_W), KEY(2, 2, KEY_O), KEY(3, 2, KEY_H), KEY(4, 2, KEY_C), KEY(5, 2, KEY_LEFTALT), KEY(0, 3, KEY_PAGEDOWN), KEY(1, 3, KEY_E), KEY(2, 3, KEY_P), KEY(3, 3, KEY_J), KEY(4, 3, KEY_V), KEY(5, 3, KEY_LEFTSHIFT), KEY(0, 4, KEY_ESC), KEY(1, 4, KEY_R), KEY(2, 4, KEY_A), KEY(3, 4, KEY_K), KEY(4, 4, KEY_B), KEY(5, 4, KEY_LEFTCTRL), KEY(0, 5, KEY_TAB), KEY(1, 5, KEY_T), KEY(2, 5, KEY_S), KEY(3, 5, KEY_L), KEY(4, 5, KEY_N), KEY(5, 5, KEY_SPACE), KEY(0, 6, KEY_STOPCD), KEY(1, 6, KEY_Y), KEY(2, 6, KEY_D), KEY(3, 6, KEY_BACKSPACE), KEY(4, 6, KEY_M), KEY(5, 6, KEY_COMMA), KEY(0, 7, KEY_PLAYCD), KEY(1, 7, KEY_U), KEY(2, 7, KEY_F), KEY(3, 7, KEY_Z), KEY(4, 7, KEY_SEMICOLON), KEY(5, 7, KEY_DOT), }; static struct matrix_keymap_data z2_matrix_keymap_data = { .keymap = z2_matrix_keys, .keymap_size = ARRAY_SIZE(z2_matrix_keys), }; static struct pxa27x_keypad_platform_data z2_keypad_platform_data = { .matrix_key_rows = 7, .matrix_key_cols = 8, .matrix_keymap_data = &z2_matrix_keymap_data, .debounce_interval = 30, }; static void __init z2_mkp_init(void) { pxa_set_keypad_info(&z2_keypad_platform_data); } #else static inline void z2_mkp_init(void) {} #endif /****************************************************************************** * GPIO keys ******************************************************************************/ #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) static struct gpio_keys_button z2_pxa_buttons[] = { { .code = KEY_POWER, .gpio = GPIO1_ZIPITZ2_POWER_BUTTON, .active_low = 0, .desc = "Power Button", .wakeup = 1, .type = EV_KEY, }, { .code = SW_LID, .gpio = GPIO98_ZIPITZ2_LID_BUTTON, .active_low = 1, .desc = "Lid Switch", .wakeup = 0, .type = EV_SW, }, }; static struct gpio_keys_platform_data z2_pxa_keys_data = { .buttons = z2_pxa_buttons, .nbuttons = ARRAY_SIZE(z2_pxa_buttons), }; static struct platform_device z2_pxa_keys = { .name = "gpio-keys", .id = -1, .dev = { .platform_data = &z2_pxa_keys_data, }, }; static void __init z2_keys_init(void) { platform_device_register(&z2_pxa_keys); } #else static inline void z2_keys_init(void) {} #endif /****************************************************************************** * Battery ******************************************************************************/ #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE) static struct z2_battery_info batt_chip_info = { .batt_I2C_bus = 0, .batt_I2C_addr = 0x55, .batt_I2C_reg = 2, .min_voltage = 3475000, .max_voltage = 4190000, .batt_div = 59, .batt_mult = 1000000, .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION, .batt_name = "Z2", }; static struct gpiod_lookup_table z2_battery_gpio_table = { .dev_id = "aer915", .table = { GPIO_LOOKUP("gpio-pxa", GPIO0_ZIPITZ2_AC_DETECT, NULL, GPIO_ACTIVE_HIGH), { }, }, }; static struct i2c_board_info __initdata z2_i2c_board_info[] = { { I2C_BOARD_INFO("aer915", 0x55), .dev_name = "aer915", .platform_data = &batt_chip_info, }, { I2C_BOARD_INFO("wm8750", 0x1b), }, }; static void __init z2_i2c_init(void) { pxa_set_i2c_info(NULL); gpiod_add_lookup_table(&z2_battery_gpio_table); i2c_register_board_info(0, ARRAY_AND_SIZE(z2_i2c_board_info)); } #else static inline void z2_i2c_init(void) {} #endif /****************************************************************************** * SSP Devices - WiFi and LCD control ******************************************************************************/ #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) /* WiFi */ static int z2_lbs_spi_setup(struct spi_device *spi) { int ret = 0; ret = gpio_request(GPIO14_ZIPITZ2_WIFI_POWER, "WiFi Power"); if (ret) goto err; ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_POWER, 1); if (ret) goto err2; /* Wait until card is powered on */ mdelay(180); spi->bits_per_word = 16; spi->mode = SPI_MODE_2, spi_setup(spi); return 0; err2: gpio_free(GPIO14_ZIPITZ2_WIFI_POWER); err: return ret; }; static int z2_lbs_spi_teardown(struct spi_device *spi) { gpio_set_value(GPIO14_ZIPITZ2_WIFI_POWER, 0); gpio_free(GPIO14_ZIPITZ2_WIFI_POWER); return 0; }; static struct pxa2xx_spi_chip z2_lbs_chip_info = { .rx_threshold = 8, .tx_threshold = 8, .timeout = 1000, .gpio_cs = GPIO24_ZIPITZ2_WIFI_CS, }; static struct libertas_spi_platform_data z2_lbs_pdata = { .use_dummy_writes = 1, .setup = z2_lbs_spi_setup, .teardown = z2_lbs_spi_teardown, }; /* LCD */ static struct pxa2xx_spi_chip lms283_chip_info = { .rx_threshold = 1, .tx_threshold = 1, .timeout = 64, .gpio_cs = GPIO88_ZIPITZ2_LCD_CS, }; static struct gpiod_lookup_table lms283_gpio_table = { .dev_id = "spi2.0", /* SPI bus 2 chip select 0 */ .table = { GPIO_LOOKUP("gpio-pxa", GPIO19_ZIPITZ2_LCD_RESET, "reset", GPIO_ACTIVE_LOW), { }, }, }; static struct spi_board_info spi_board_info[] __initdata = { { .modalias = "libertas_spi", .platform_data = &z2_lbs_pdata, .controller_data = &z2_lbs_chip_info, .irq = PXA_GPIO_TO_IRQ(GPIO36_ZIPITZ2_WIFI_IRQ), .max_speed_hz = 13000000, .bus_num = 1, .chip_select = 0, }, { .modalias = "lms283gf05", .controller_data = &lms283_chip_info, .max_speed_hz = 400000, .bus_num = 2, .chip_select = 0, }, }; static struct pxa2xx_spi_controller pxa_ssp1_master_info = { .num_chipselect = 1, .enable_dma = 1, }; static struct pxa2xx_spi_controller pxa_ssp2_master_info = { .num_chipselect = 1, }; static void __init z2_spi_init(void) { pxa2xx_set_spi_info(1, &pxa_ssp1_master_info); pxa2xx_set_spi_info(2, &pxa_ssp2_master_info); gpiod_add_lookup_table(&lms283_gpio_table); spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); } #else static inline void z2_spi_init(void) {} #endif /****************************************************************************** * Core power regulator ******************************************************************************/ #if defined(CONFIG_REGULATOR_TPS65023) || \ defined(CONFIG_REGULATOR_TPS65023_MODULE) static struct regulator_consumer_supply z2_tps65021_consumers[] = { REGULATOR_SUPPLY("vcc_core", NULL), }; static struct regulator_init_data z2_tps65021_info[] = { { .constraints = { .name = "vcc_core range", .min_uV = 800000, .max_uV = 1600000, .always_on = 1, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, }, .consumer_supplies = z2_tps65021_consumers, .num_consumer_supplies = ARRAY_SIZE(z2_tps65021_consumers), }, { .constraints = { .name = "DCDC2", .min_uV = 3300000, .max_uV = 3300000, .always_on = 1, }, }, { .constraints = { .name = "DCDC3", .min_uV = 1800000, .max_uV = 1800000, .always_on = 1, }, }, { .constraints = { .name = "LDO1", .min_uV = 1000000, .max_uV = 3150000, .always_on = 1, }, }, { .constraints = { .name = "LDO2", .min_uV = 1050000, .max_uV = 3300000, .always_on = 1, }, } }; static struct i2c_board_info __initdata z2_pi2c_board_info[] = { { I2C_BOARD_INFO("tps65021", 0x48), .platform_data = &z2_tps65021_info, }, }; static void __init z2_pmic_init(void) { pxa27x_set_i2c_power_info(NULL); i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info)); } #else static inline void z2_pmic_init(void) {} #endif #ifdef CONFIG_PM static void z2_power_off(void) { /* We're using deep sleep as poweroff, so clear PSPR to ensure that * bootloader will jump to its entry point in resume handler */ PSPR = 0x0; local_irq_disable(); pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP); pxa27x_cpu_pm_enter(PM_SUSPEND_MEM); } #else #define z2_power_off NULL #endif /****************************************************************************** * Machine init ******************************************************************************/ static void __init z2_init(void) { pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config)); pxa_set_ffuart_info(NULL); pxa_set_btuart_info(NULL); pxa_set_stuart_info(NULL); z2_lcd_init(); z2_mmc_init(); z2_mkp_init(); z2_i2c_init(); z2_spi_init(); z2_nor_init(); z2_pwm_init(); z2_leds_init(); z2_keys_init(); z2_pmic_init(); pm_power_off = z2_power_off; } MACHINE_START(ZIPIT2, "Zipit Z2") .atag_offset = 0x100, .map_io = pxa27x_map_io, .nr_irqs = PXA_NR_IRQS, .init_irq = pxa27x_init_irq, .handle_irq = pxa27x_handle_irq, .init_time = pxa_timer_init, .init_machine = z2_init, .restart = pxa_restart, MACHINE_END
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