提交 b6377992 编写于 作者: M Marek Vasut 提交者: Eric Miao

[ARM] pxa: add basic support for the Aeronix Zipit Z2 handheld

This patch adds support for the Zipit Z2. The parts missing from this
patch are the battery support, SPI driver for the LCD and support for
the Silicon Serial ID chip.
Signed-off-by: NMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: NEric Miao <eric.y.miao@gmail.com>
上级 81880975
......@@ -561,6 +561,12 @@ config MACH_E800
Say Y here if you intend to run this kernel on a Toshiba
e800 family PDA.
config MACH_ZIPIT2
bool "Zipit Z2 Handheld"
select PXA27x
select HAVE_PWM
select PXA_HAVE_BOARD_IRQS
endmenu
config PXA25x
......
......@@ -92,6 +92,7 @@ obj-$(CONFIG_MACH_E800) += e800.o
obj-$(CONFIG_MACH_RAUMFELD_RC) += raumfeld.o
obj-$(CONFIG_MACH_RAUMFELD_CONNECTOR) += raumfeld.o
obj-$(CONFIG_MACH_RAUMFELD_SPEAKER) += raumfeld.o
obj-$(CONFIG_MACH_ZIPIT2) += z2.o
# Support for blinky lights
led-y := leds.o
......
/*
* arch/arm/mach-pxa/include/mach/z2.h
*
* Author: Ken McGuire
* Created: Feb 6, 2009
*
* 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
* published by the Free Software Foundation.
*/
#ifndef ASM_ARCH_ZIPIT2_H
#define ASM_ARCH_ZIPIT2_H
/* LEDs */
#define GPIO10_ZIPITZ2_LED_WIFI 10
#define GPIO85_ZIPITZ2_LED_CHARGED 85
#define GPIO83_ZIPITZ2_LED_CHARGING 83
/* SD/MMC */
#define GPIO96_ZIPITZ2_SD_DETECT 96
/* GPIO Buttons */
#define GPIO1_ZIPITZ2_POWER_BUTTON 1
#define GPIO98_ZIPITZ2_LID_BUTTON 98
/* Libertas GSPI8686 WiFi */
#define GPIO14_ZIPITZ2_WIFI_RESET 14
#define GPIO15_ZIPITZ2_WIFI_POWER 15
#define GPIO24_ZIPITZ2_WIFI_CS 24
#define GPIO36_ZIPITZ2_WIFI_IRQ 36
/* LCD */
#define GPIO19_ZIPITZ2_LCD_RESET 19
#define GPIO88_ZIPITZ2_LCD_CS 88
/* MISC GPIOs */
#define GPIO0_ZIPITZ2_AC_DETECT 0
#define GPIO37_ZIPITZ2_HEADSET_DETECT 37
#endif
/*
* linux/arch/arm/mach-pxa/z2.c
*
* Support for the Zipit Z2 Handheld device.
*
* Author: Ken McGuire
* Created: Jan 25, 2009
* Based on mainstone.c as modified for the Zipit Z2.
*
* 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
* published by the Free Software Foundation.
*/
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/pwm_backlight.h>
#include <linux/dma-mapping.h>
#include <linux/spi/spi.h>
#include <linux/spi/libertas_spi.h>
#include <linux/spi/lms283gf05.h>
#include <linux/power_supply.h>
#include <linux/mtd/physmap.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/delay.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/pxa27x.h>
#include <mach/mfp-pxa27x.h>
#include <mach/z2.h>
#include <mach/pxafb.h>
#include <mach/mmc.h>
#include <mach/pxa27x_keypad.h>
#include <mach/pxa2xx_spi.h>
#include <plat/i2c.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 | WAKEUP_ON_LEVEL_HIGH,
GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
GPIO34_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
GPIO38_KP_MKIN_4 | WAKEUP_ON_LEVEL_HIGH,
GPIO16_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
GPIO17_KP_MKIN_6 | WAKEUP_ON_LEVEL_HIGH,
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 Reset */
GPIO15_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 = 0x20000,
},
{
.name = "Linux Kernel",
.offset = 0x20000,
.size = 0x220000,
},
{
.name = "Filesystem",
.offset = 0x240000,
.size = 0x5b0000,
},
{
.name = "U-Boot Environment",
.offset = 0x7f0000,
.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 platform_pwm_backlight_data z2_backlight_data[] = {
[0] = {
/* Keypad Backlight */
.pwm_id = 1,
.max_brightness = 1023,
.dft_brightness = 512,
.pwm_period_ns = 1260320,
},
[1] = {
/* LCD Backlight */
.pwm_id = 2,
.max_brightness = 1023,
.dft_brightness = 512,
.pwm_period_ns = 1260320,
},
};
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)
{
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)
{
set_pxa_fb_info(&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,
.gpio_card_detect = GPIO96_ZIPITZ2_SD_DETECT,
.gpio_power = -1,
.gpio_card_ro = -1,
.detect_delay = 20,
};
static void __init z2_mmc_init(void)
{
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 = "none",
.gpio = GPIO85_ZIPITZ2_LED_CHARGED,
.active_low = 1,
}, {
.name = "z2:amber:charging",
.default_trigger = "none",
.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 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 pxa27x_keypad_platform_data z2_keypad_platform_data = {
.matrix_key_rows = 7,
.matrix_key_cols = 8,
.matrix_key_map = z2_matrix_keys,
.matrix_key_map_size = ARRAY_SIZE(z2_matrix_keys),
.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[] = {
{KEY_POWER, GPIO1_ZIPITZ2_POWER_BUTTON, 0, "Power Button" },
{KEY_CLOSE, GPIO98_ZIPITZ2_LID_BUTTON, 0, "Lid Button" },
};
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
/******************************************************************************
* 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(GPIO15_ZIPITZ2_WIFI_POWER, "WiFi Power");
if (ret)
goto err;
ret = gpio_direction_output(GPIO15_ZIPITZ2_WIFI_POWER, 1);
if (ret)
goto err2;
ret = gpio_request(GPIO14_ZIPITZ2_WIFI_RESET, "WiFi Reset");
if (ret)
goto err2;
ret = gpio_direction_output(GPIO14_ZIPITZ2_WIFI_RESET, 0);
if (ret)
goto err3;
/* Reset the card */
mdelay(180);
gpio_set_value(GPIO14_ZIPITZ2_WIFI_RESET, 1);
mdelay(20);
spi->bits_per_word = 16;
spi->mode = SPI_MODE_2,
spi_setup(spi);
return 0;
err3:
gpio_free(GPIO14_ZIPITZ2_WIFI_RESET);
err2:
gpio_free(GPIO15_ZIPITZ2_WIFI_POWER);
err:
return ret;
};
static int z2_lbs_spi_teardown(struct spi_device *spi)
{
gpio_set_value(GPIO14_ZIPITZ2_WIFI_RESET, 0);
gpio_set_value(GPIO15_ZIPITZ2_WIFI_POWER, 0);
gpio_free(GPIO14_ZIPITZ2_WIFI_RESET);
gpio_free(GPIO15_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 const struct lms283gf05_pdata lms283_pdata = {
.reset_gpio = GPIO19_ZIPITZ2_LCD_RESET,
};
static struct spi_board_info spi_board_info[] __initdata = {
{
.modalias = "libertas_spi",
.platform_data = &z2_lbs_pdata,
.controller_data = &z2_lbs_chip_info,
.irq = gpio_to_irq(GPIO36_ZIPITZ2_WIFI_IRQ),
.max_speed_hz = 13000000,
.bus_num = 1,
.chip_select = 0,
},
{
.modalias = "lms283gf05",
.controller_data = &lms283_chip_info,
.platform_data = &lms283_pdata,
.max_speed_hz = 400000,
.bus_num = 2,
.chip_select = 0,
},
};
static struct pxa2xx_spi_master pxa_ssp1_master_info = {
.clock_enable = CKEN_SSP,
.num_chipselect = 1,
.enable_dma = 1,
};
static struct pxa2xx_spi_master pxa_ssp2_master_info = {
.clock_enable = CKEN_SSP2,
.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);
spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
}
#else
static inline void z2_spi_init(void) {}
#endif
/******************************************************************************
* Machine init
******************************************************************************/
static void __init z2_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config));
z2_lcd_init();
z2_mmc_init();
z2_mkp_init();
pxa_set_i2c_info(NULL);
z2_spi_init();
z2_nor_init();
z2_pwm_init();
z2_leds_init();
z2_keys_init();
}
MACHINE_START(ZIPIT2, "Zipit Z2")
.phys_io = 0x40000000,
.boot_params = 0xa0000100,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.map_io = pxa_map_io,
.init_irq = pxa27x_init_irq,
.timer = &pxa_timer,
.init_machine = z2_init,
MACHINE_END
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