diff options
Diffstat (limited to 'arch/arm/mach-pxa/balloon3.c')
| -rw-r--r-- | arch/arm/mach-pxa/balloon3.c | 831 |
1 files changed, 831 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c new file mode 100644 index 00000000..6ca327d9 --- /dev/null +++ b/arch/arm/mach-pxa/balloon3.c @@ -0,0 +1,831 @@ +/* + * linux/arch/arm/mach-pxa/balloon3.c + * + * Support for Balloonboard.org Balloon3 board. + * + * Author: Nick Bane, Wookey, Jonathan McDowell + * Created: June, 2006 + * Copyright: Toby Churchill Ltd + * Derived from mainstone.c, by Nico Pitre + * + * 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/init.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/sched.h> +#include <linux/bitops.h> +#include <linux/fb.h> +#include <linux/gpio.h> +#include <linux/ioport.h> +#include <linux/ucb1400.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/types.h> +#include <linux/i2c/pcf857x.h> +#include <linux/i2c/pxa-i2c.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/physmap.h> +#include <linux/regulator/max1586.h> + +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/irq.h> +#include <asm/sizes.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> +#include <asm/mach/flash.h> + +#include <mach/pxa27x.h> +#include <mach/balloon3.h> +#include <mach/audio.h> +#include <mach/pxafb.h> +#include <mach/mmc.h> +#include <mach/udc.h> +#include <mach/pxa27x-udc.h> +#include <mach/irda.h> +#include <mach/ohci.h> + +#include "generic.h" +#include "devices.h" + +/****************************************************************************** + * Pin configuration + ******************************************************************************/ +static unsigned long balloon3_pin_config[] __initdata = { + /* Select BTUART 'COM1/ttyS0' as IO option for pins 42/43/44/45 */ + GPIO42_BTUART_RXD, + GPIO43_BTUART_TXD, + GPIO44_BTUART_CTS, + GPIO45_BTUART_RTS, + + /* Reset, configured as GPIO wakeup source */ + GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, +}; + +/****************************************************************************** + * Compatibility: Parameter parsing + ******************************************************************************/ +static unsigned long balloon3_irq_enabled; + +static unsigned long balloon3_features_present = + (1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) | + (1 << BALLOON3_FEATURE_AUDIO) | + (1 << BALLOON3_FEATURE_TOPPOLY); + +int balloon3_has(enum balloon3_features feature) +{ + return (balloon3_features_present & (1 << feature)) ? 1 : 0; +} +EXPORT_SYMBOL_GPL(balloon3_has); + +int __init parse_balloon3_features(char *arg) +{ + if (!arg) + return 0; + + return strict_strtoul(arg, 0, &balloon3_features_present); +} +early_param("balloon3_features", parse_balloon3_features); + +/****************************************************************************** + * Compact Flash slot + ******************************************************************************/ +#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE) +static unsigned long balloon3_cf_pin_config[] __initdata = { + GPIO48_nPOE, + GPIO49_nPWE, + GPIO50_nPIOR, + GPIO51_nPIOW, + GPIO85_nPCE_1, + GPIO54_nPCE_2, + GPIO79_PSKTSEL, + GPIO55_nPREG, + GPIO56_nPWAIT, + GPIO57_nIOIS16, +}; + +static void __init balloon3_cf_init(void) +{ + if (!balloon3_has(BALLOON3_FEATURE_CF)) + return; + + pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_cf_pin_config)); +} +#else +static inline void balloon3_cf_init(void) {} +#endif + +/****************************************************************************** + * NOR Flash + ******************************************************************************/ +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) +static struct mtd_partition balloon3_nor_partitions[] = { + { + .name = "Flash", + .offset = 0x00000000, + .size = MTDPART_SIZ_FULL, + } +}; + +static struct physmap_flash_data balloon3_flash_data[] = { + { + .width = 2, /* bankwidth in bytes */ + .parts = balloon3_nor_partitions, + .nr_parts = ARRAY_SIZE(balloon3_nor_partitions) + } +}; + +static struct resource balloon3_flash_resource = { + .start = PXA_CS0_PHYS, + .end = PXA_CS0_PHYS + SZ_64M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device balloon3_flash = { + .name = "physmap-flash", + .id = 0, + .resource = &balloon3_flash_resource, + .num_resources = 1, + .dev = { + .platform_data = balloon3_flash_data, + }, +}; +static void __init balloon3_nor_init(void) +{ + platform_device_register(&balloon3_flash); +} +#else +static inline void balloon3_nor_init(void) {} +#endif + +/****************************************************************************** + * Audio and Touchscreen + ******************************************************************************/ +#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \ + defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE) +static unsigned long balloon3_ac97_pin_config[] __initdata = { + GPIO28_AC97_BITCLK, + GPIO29_AC97_SDATA_IN_0, + GPIO30_AC97_SDATA_OUT, + GPIO31_AC97_SYNC, + GPIO113_AC97_nRESET, + GPIO95_GPIO, +}; + +static struct ucb1400_pdata vpac270_ucb1400_pdata = { + .irq = IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ), +}; + + +static struct platform_device balloon3_ucb1400_device = { + .name = "ucb1400_core", + .id = -1, + .dev = { + .platform_data = &vpac270_ucb1400_pdata, + }, +}; + +static void __init balloon3_ts_init(void) +{ + if (!balloon3_has(BALLOON3_FEATURE_AUDIO)) + return; + + pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ac97_pin_config)); + pxa_set_ac97_info(NULL); + platform_device_register(&balloon3_ucb1400_device); +} +#else +static inline void balloon3_ts_init(void) {} +#endif + +/****************************************************************************** + * Framebuffer + ******************************************************************************/ +#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) +static unsigned long balloon3_lcd_pin_config[] __initdata = { + GPIOxx_LCD_TFT_16BPP, + GPIO99_GPIO, +}; + +static struct pxafb_mode_info balloon3_lcd_modes[] = { + { + .pixclock = 38000, + .xres = 480, + .yres = 640, + .bpp = 16, + .hsync_len = 8, + .left_margin = 8, + .right_margin = 8, + .vsync_len = 2, + .upper_margin = 4, + .lower_margin = 5, + .sync = 0, + }, +}; + +static struct pxafb_mach_info balloon3_lcd_screen = { + .modes = balloon3_lcd_modes, + .num_modes = ARRAY_SIZE(balloon3_lcd_modes), + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, +}; + +static void balloon3_backlight_power(int on) +{ + gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on); +} + +static void __init balloon3_lcd_init(void) +{ + int ret; + + if (!balloon3_has(BALLOON3_FEATURE_TOPPOLY)) + return; + + pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_lcd_pin_config)); + + ret = gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT, "BKL-ON"); + if (ret) { + pr_err("Requesting BKL-ON GPIO failed!\n"); + goto err; + } + + ret = gpio_direction_output(BALLOON3_GPIO_RUN_BACKLIGHT, 1); + if (ret) { + pr_err("Setting BKL-ON GPIO direction failed!\n"); + goto err2; + } + + balloon3_lcd_screen.pxafb_backlight_power = balloon3_backlight_power; + pxa_set_fb_info(NULL, &balloon3_lcd_screen); + return; + +err2: + gpio_free(BALLOON3_GPIO_RUN_BACKLIGHT); +err: + return; +} +#else +static inline void balloon3_lcd_init(void) {} +#endif + +/****************************************************************************** + * SD/MMC card controller + ******************************************************************************/ +#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) +static unsigned long balloon3_mmc_pin_config[] __initdata = { + GPIO32_MMC_CLK, + GPIO92_MMC_DAT_0, + GPIO109_MMC_DAT_1, + GPIO110_MMC_DAT_2, + GPIO111_MMC_DAT_3, + GPIO112_MMC_CMD, +}; + +static struct pxamci_platform_data balloon3_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .gpio_card_detect = -1, + .gpio_card_ro = -1, + .gpio_power = -1, + .detect_delay_ms = 200, +}; + +static void __init balloon3_mmc_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_mmc_pin_config)); + pxa_set_mci_info(&balloon3_mci_platform_data); +} +#else +static inline void balloon3_mmc_init(void) {} +#endif + +/****************************************************************************** + * USB Gadget + ******************************************************************************/ +#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE) +static void balloon3_udc_command(int cmd) +{ + if (cmd == PXA2XX_UDC_CMD_CONNECT) + UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE; + else if (cmd == PXA2XX_UDC_CMD_DISCONNECT) + UP2OCR &= ~UP2OCR_DPPUE; +} + +static int balloon3_udc_is_connected(void) +{ + return 1; +} + +static struct pxa2xx_udc_mach_info balloon3_udc_info __initdata = { + .udc_command = balloon3_udc_command, + .udc_is_connected = balloon3_udc_is_connected, + .gpio_pullup = -1, +}; + +static void __init balloon3_udc_init(void) +{ + pxa_set_udc_info(&balloon3_udc_info); + platform_device_register(&balloon3_gpio_vbus); +} +#else +static inline void balloon3_udc_init(void) {} +#endif + +/****************************************************************************** + * IrDA + ******************************************************************************/ +#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE) +static struct pxaficp_platform_data balloon3_ficp_platform_data = { + .transceiver_cap = IR_FIRMODE | IR_SIRMODE | IR_OFF, +}; + +static void __init balloon3_irda_init(void) +{ + pxa_set_ficp_info(&balloon3_ficp_platform_data); +} +#else +static inline void balloon3_irda_init(void) {} +#endif + +/****************************************************************************** + * USB Host + ******************************************************************************/ +#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +static unsigned long balloon3_uhc_pin_config[] __initdata = { + GPIO88_USBH1_PWR, + GPIO89_USBH1_PEN, +}; + +static struct pxaohci_platform_data balloon3_ohci_info = { + .port_mode = PMM_PERPORT_MODE, + .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW, +}; + +static void __init balloon3_uhc_init(void) +{ + if (!balloon3_has(BALLOON3_FEATURE_OHCI)) + return; + pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_uhc_pin_config)); + pxa_set_ohci_info(&balloon3_ohci_info); +} +#else +static inline void balloon3_uhc_init(void) {} +#endif + +/****************************************************************************** + * LEDs + ******************************************************************************/ +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +static unsigned long balloon3_led_pin_config[] __initdata = { + GPIO9_GPIO, /* NAND activity LED */ + GPIO10_GPIO, /* Heartbeat LED */ +}; + +struct gpio_led balloon3_gpio_leds[] = { + { + .name = "balloon3:green:idle", + .default_trigger = "heartbeat", + .gpio = BALLOON3_GPIO_LED_IDLE, + .active_low = 1, + }, { + .name = "balloon3:green:nand", + .default_trigger = "nand-disk", + .gpio = BALLOON3_GPIO_LED_NAND, + .active_low = 1, + }, +}; + +static struct gpio_led_platform_data balloon3_gpio_led_info = { + .leds = balloon3_gpio_leds, + .num_leds = ARRAY_SIZE(balloon3_gpio_leds), +}; + +static struct platform_device balloon3_leds = { + .name = "leds-gpio", + .id = 0, + .dev = { + .platform_data = &balloon3_gpio_led_info, + } +}; + +struct gpio_led balloon3_pcf_gpio_leds[] = { + { + .name = "balloon3:green:led0", + .gpio = BALLOON3_PCF_GPIO_LED0, + .active_low = 1, + }, { + .name = "balloon3:green:led1", + .gpio = BALLOON3_PCF_GPIO_LED1, + .active_low = 1, + }, { + .name = "balloon3:orange:led2", + .gpio = BALLOON3_PCF_GPIO_LED2, + .active_low = 1, + }, { + .name = "balloon3:orange:led3", + .gpio = BALLOON3_PCF_GPIO_LED3, + .active_low = 1, + }, { + .name = "balloon3:orange:led4", + .gpio = BALLOON3_PCF_GPIO_LED4, + .active_low = 1, + }, { + .name = "balloon3:orange:led5", + .gpio = BALLOON3_PCF_GPIO_LED5, + .active_low = 1, + }, { + .name = "balloon3:red:led6", + .gpio = BALLOON3_PCF_GPIO_LED6, + .active_low = 1, + }, { + .name = "balloon3:red:led7", + .gpio = BALLOON3_PCF_GPIO_LED7, + .active_low = 1, + }, +}; + +static struct gpio_led_platform_data balloon3_pcf_gpio_led_info = { + .leds = balloon3_pcf_gpio_leds, + .num_leds = ARRAY_SIZE(balloon3_pcf_gpio_leds), +}; + +static struct platform_device balloon3_pcf_leds = { + .name = "leds-gpio", + .id = 1, + .dev = { + .platform_data = &balloon3_pcf_gpio_led_info, + } +}; + +static void __init balloon3_leds_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_led_pin_config)); + platform_device_register(&balloon3_leds); + platform_device_register(&balloon3_pcf_leds); +} +#else +static inline void balloon3_leds_init(void) {} +#endif + +/****************************************************************************** + * FPGA IRQ + ******************************************************************************/ +static void balloon3_mask_irq(struct irq_data *d) +{ + int balloon3_irq = (d->irq - BALLOON3_IRQ(0)); + balloon3_irq_enabled &= ~(1 << balloon3_irq); + __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG); +} + +static void balloon3_unmask_irq(struct irq_data *d) +{ + int balloon3_irq = (d->irq - BALLOON3_IRQ(0)); + balloon3_irq_enabled |= (1 << balloon3_irq); + __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG); +} + +static struct irq_chip balloon3_irq_chip = { + .name = "FPGA", + .irq_ack = balloon3_mask_irq, + .irq_mask = balloon3_mask_irq, + .irq_unmask = balloon3_unmask_irq, +}; + +static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc) +{ + unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) & + balloon3_irq_enabled; + do { + /* clear useless edge notification */ + if (desc->irq_data.chip->irq_ack) { + struct irq_data *d; + + d = irq_get_irq_data(BALLOON3_AUX_NIRQ); + desc->irq_data.chip->irq_ack(d); + } + + while (pending) { + irq = BALLOON3_IRQ(0) + __ffs(pending); + generic_handle_irq(irq); + pending &= pending - 1; + } + pending = __raw_readl(BALLOON3_INT_CONTROL_REG) & + balloon3_irq_enabled; + } while (pending); +} + +static void __init balloon3_init_irq(void) +{ + int irq; + + pxa27x_init_irq(); + /* setup extra Balloon3 irqs */ + for (irq = BALLOON3_IRQ(0); irq <= BALLOON3_IRQ(7); irq++) { + irq_set_chip_and_handler(irq, &balloon3_irq_chip, + handle_level_irq); + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + } + + irq_set_chained_handler(BALLOON3_AUX_NIRQ, balloon3_irq_handler); + irq_set_irq_type(BALLOON3_AUX_NIRQ, IRQ_TYPE_EDGE_FALLING); + + pr_debug("%s: chained handler installed - irq %d automatically " + "enabled\n", __func__, BALLOON3_AUX_NIRQ); +} + +/****************************************************************************** + * GPIO expander + ******************************************************************************/ +#if defined(CONFIG_GPIO_PCF857X) || defined(CONFIG_GPIO_PCF857X_MODULE) +static struct pcf857x_platform_data balloon3_pcf857x_pdata = { + .gpio_base = BALLOON3_PCF_GPIO_BASE, + .n_latch = 0, + .setup = NULL, + .teardown = NULL, + .context = NULL, +}; + +static struct i2c_board_info __initdata balloon3_i2c_devs[] = { + { + I2C_BOARD_INFO("pcf8574a", 0x38), + .platform_data = &balloon3_pcf857x_pdata, + }, +}; + +static void __init balloon3_i2c_init(void) +{ + pxa_set_i2c_info(NULL); + i2c_register_board_info(0, ARRAY_AND_SIZE(balloon3_i2c_devs)); +} +#else +static inline void balloon3_i2c_init(void) {} +#endif + +/****************************************************************************** + * NAND + ******************************************************************************/ +#if defined(CONFIG_MTD_NAND_PLATFORM)||defined(CONFIG_MTD_NAND_PLATFORM_MODULE) +static void balloon3_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl) +{ + struct nand_chip *this = mtd->priv; + uint8_t balloon3_ctl_set = 0, balloon3_ctl_clr = 0; + + if (ctrl & NAND_CTRL_CHANGE) { + if (ctrl & NAND_CLE) + balloon3_ctl_set |= BALLOON3_NAND_CONTROL_FLCLE; + else + balloon3_ctl_clr |= BALLOON3_NAND_CONTROL_FLCLE; + + if (ctrl & NAND_ALE) + balloon3_ctl_set |= BALLOON3_NAND_CONTROL_FLALE; + else + balloon3_ctl_clr |= BALLOON3_NAND_CONTROL_FLALE; + + if (balloon3_ctl_clr) + __raw_writel(balloon3_ctl_clr, + BALLOON3_NAND_CONTROL_REG); + if (balloon3_ctl_set) + __raw_writel(balloon3_ctl_set, + BALLOON3_NAND_CONTROL_REG | + BALLOON3_FPGA_SETnCLR); + } + + if (cmd != NAND_CMD_NONE) + writeb(cmd, this->IO_ADDR_W); +} + +static void balloon3_nand_select_chip(struct mtd_info *mtd, int chip) +{ + if (chip < 0 || chip > 3) + return; + + /* Assert all nCE lines */ + __raw_writew( + BALLOON3_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 | + BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3, + BALLOON3_NAND_CONTROL_REG | BALLOON3_FPGA_SETnCLR); + + /* Deassert correct nCE line */ + __raw_writew(BALLOON3_NAND_CONTROL_FLCE0 << chip, + BALLOON3_NAND_CONTROL_REG); +} + +static int balloon3_nand_dev_ready(struct mtd_info *mtd) +{ + return __raw_readl(BALLOON3_NAND_STAT_REG) & BALLOON3_NAND_STAT_RNB; +} + +static int balloon3_nand_probe(struct platform_device *pdev) +{ + uint16_t ver; + int ret; + + __raw_writew(BALLOON3_NAND_CONTROL2_16BIT, + BALLOON3_NAND_CONTROL2_REG | BALLOON3_FPGA_SETnCLR); + + ver = __raw_readw(BALLOON3_FPGA_VER); + if (ver < 0x4f08) + pr_warn("The FPGA code, version 0x%04x, is too old. " + "NAND support might be broken in this version!", ver); + + /* Power up the NAND chips */ + ret = gpio_request(BALLOON3_GPIO_RUN_NAND, "NAND"); + if (ret) + goto err1; + + ret = gpio_direction_output(BALLOON3_GPIO_RUN_NAND, 1); + if (ret) + goto err2; + + gpio_set_value(BALLOON3_GPIO_RUN_NAND, 1); + + /* Deassert all nCE lines and write protect line */ + __raw_writel( + BALLOON3_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 | + BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3 | + BALLOON3_NAND_CONTROL_FLWP, + BALLOON3_NAND_CONTROL_REG | BALLOON3_FPGA_SETnCLR); + return 0; + +err2: + gpio_free(BALLOON3_GPIO_RUN_NAND); +err1: + return ret; +} + +static void balloon3_nand_remove(struct platform_device *pdev) +{ + /* Power down the NAND chips */ + gpio_set_value(BALLOON3_GPIO_RUN_NAND, 0); + gpio_free(BALLOON3_GPIO_RUN_NAND); +} + +static struct mtd_partition balloon3_partition_info[] = { + [0] = { + .name = "Boot", + .offset = 0, + .size = SZ_4M, + }, + [1] = { + .name = "RootFS", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL + }, +}; + +static const char *balloon3_part_probes[] = { "cmdlinepart", NULL }; + +struct platform_nand_data balloon3_nand_pdata = { + .chip = { + .nr_chips = 4, + .chip_offset = 0, + .nr_partitions = ARRAY_SIZE(balloon3_partition_info), + .partitions = balloon3_partition_info, + .chip_delay = 50, + .part_probe_types = balloon3_part_probes, + }, + .ctrl = { + .hwcontrol = 0, + .dev_ready = balloon3_nand_dev_ready, + .select_chip = balloon3_nand_select_chip, + .cmd_ctrl = balloon3_nand_cmd_ctl, + .probe = balloon3_nand_probe, + .remove = balloon3_nand_remove, + }, +}; + +static struct resource balloon3_nand_resource[] = { + [0] = { + .start = BALLOON3_NAND_BASE, + .end = BALLOON3_NAND_BASE + 0x4, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device balloon3_nand = { + .name = "gen_nand", + .num_resources = ARRAY_SIZE(balloon3_nand_resource), + .resource = balloon3_nand_resource, + .id = -1, + .dev = { + .platform_data = &balloon3_nand_pdata, + } +}; + +static void __init balloon3_nand_init(void) +{ + platform_device_register(&balloon3_nand); +} +#else +static inline void balloon3_nand_init(void) {} +#endif + +/****************************************************************************** + * Core power regulator + ******************************************************************************/ +#if defined(CONFIG_REGULATOR_MAX1586) || \ + defined(CONFIG_REGULATOR_MAX1586_MODULE) +static struct regulator_consumer_supply balloon3_max1587a_consumers[] = { + { + .supply = "vcc_core", + } +}; + +static struct regulator_init_data balloon3_max1587a_v3_info = { + .constraints = { + .name = "vcc_core range", + .min_uV = 900000, + .max_uV = 1705000, + .always_on = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + }, + .consumer_supplies = balloon3_max1587a_consumers, + .num_consumer_supplies = ARRAY_SIZE(balloon3_max1587a_consumers), +}; + +static struct max1586_subdev_data balloon3_max1587a_subdevs[] = { + { + .name = "vcc_core", + .id = MAX1586_V3, + .platform_data = &balloon3_max1587a_v3_info, + } +}; + +static struct max1586_platform_data balloon3_max1587a_info = { + .subdevs = balloon3_max1587a_subdevs, + .num_subdevs = ARRAY_SIZE(balloon3_max1587a_subdevs), + .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */ +}; + +static struct i2c_board_info __initdata balloon3_pi2c_board_info[] = { + { + I2C_BOARD_INFO("max1586", 0x14), + .platform_data = &balloon3_max1587a_info, + }, +}; + +static void __init balloon3_pmic_init(void) +{ + pxa27x_set_i2c_power_info(NULL); + i2c_register_board_info(1, ARRAY_AND_SIZE(balloon3_pi2c_board_info)); +} +#else +static inline void balloon3_pmic_init(void) {} +#endif + +/****************************************************************************** + * Machine init + ******************************************************************************/ +static void __init balloon3_init(void) +{ + ARB_CNTRL = ARB_CORE_PARK | 0x234; + + pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_pin_config)); + + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + + balloon3_i2c_init(); + balloon3_irda_init(); + balloon3_lcd_init(); + balloon3_leds_init(); + balloon3_mmc_init(); + balloon3_nand_init(); + balloon3_nor_init(); + balloon3_pmic_init(); + balloon3_ts_init(); + balloon3_udc_init(); + balloon3_uhc_init(); + balloon3_cf_init(); +} + +static struct map_desc balloon3_io_desc[] __initdata = { + { /* CPLD/FPGA */ + .virtual = BALLOON3_FPGA_VIRT, + .pfn = __phys_to_pfn(BALLOON3_FPGA_PHYS), + .length = BALLOON3_FPGA_LENGTH, + .type = MT_DEVICE, + }, +}; + +static void __init balloon3_map_io(void) +{ + pxa27x_map_io(); + iotable_init(balloon3_io_desc, ARRAY_SIZE(balloon3_io_desc)); +} + +MACHINE_START(BALLOON3, "Balloon3") + /* Maintainer: Nick Bane. */ + .map_io = balloon3_map_io, + .nr_irqs = BALLOON3_NR_IRQS, + .init_irq = balloon3_init_irq, + .timer = &pxa_timer, + .init_machine = balloon3_init, + .boot_params = PLAT_PHYS_OFFSET + 0x100, +MACHINE_END |