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Diffstat (limited to '')
| -rw-r--r-- | arch/arm/mach-pxa/cm-x300.c | 883 |
1 files changed, 883 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c new file mode 100644 index 000000000..01f364a66 --- /dev/null +++ b/arch/arm/mach-pxa/cm-x300.c @@ -0,0 +1,883 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/cm-x300.c + * + * Support for the CompuLab CM-X300 modules + * + * Copyright (C) 2008,2009 CompuLab Ltd. + * + * Mike Rapoport <mike@compulab.co.il> + * Igor Grinberg <grinberg@compulab.co.il> + */ +#define pr_fmt(fmt) "%s: " fmt, __func__ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/clk.h> + +#include <linux/gpio.h> +#include <linux/gpio/machine.h> +#include <linux/dm9000.h> +#include <linux/leds.h> +#include <linux/platform_data/rtc-v3020.h> +#include <linux/pwm.h> +#include <linux/pwm_backlight.h> + +#include <linux/i2c.h> +#include <linux/platform_data/pca953x.h> +#include <linux/platform_data/i2c-pxa.h> + +#include <linux/mfd/da903x.h> +#include <linux/regulator/machine.h> +#include <linux/power_supply.h> +#include <linux/apm-emulation.h> + +#include <linux/spi/spi.h> +#include <linux/spi/spi_gpio.h> +#include <linux/spi/tdo24m.h> + +#include <linux/soc/pxa/cpu.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/setup.h> +#include <asm/system_info.h> + +#include "pxa300.h" +#include "pxa27x-udc.h" +#include <linux/platform_data/video-pxafb.h> +#include <linux/platform_data/mmc-pxamci.h> +#include <linux/platform_data/usb-ohci-pxa27x.h> +#include <linux/platform_data/mtd-nand-pxa3xx.h> +#include <linux/platform_data/asoc-pxa.h> +#include <linux/platform_data/usb-pxa3xx-ulpi.h> + +#include <asm/mach/map.h> + +#include "generic.h" +#include "devices.h" + +#define CM_X300_ETH_PHYS 0x08000010 + +#define GPIO82_MMC_IRQ (82) +#define GPIO85_MMC_WP (85) + +#define CM_X300_MMC_IRQ PXA_GPIO_TO_IRQ(GPIO82_MMC_IRQ) + +#define GPIO95_RTC_CS (95) +#define GPIO96_RTC_WR (96) +#define GPIO97_RTC_RD (97) +#define GPIO98_RTC_IO (98) + +#define GPIO_ULPI_PHY_RST (127) + +static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = { + /* LCD */ + GPIO54_LCD_LDD_0, + GPIO55_LCD_LDD_1, + GPIO56_LCD_LDD_2, + GPIO57_LCD_LDD_3, + GPIO58_LCD_LDD_4, + GPIO59_LCD_LDD_5, + GPIO60_LCD_LDD_6, + GPIO61_LCD_LDD_7, + GPIO62_LCD_LDD_8, + GPIO63_LCD_LDD_9, + GPIO64_LCD_LDD_10, + GPIO65_LCD_LDD_11, + GPIO66_LCD_LDD_12, + GPIO67_LCD_LDD_13, + GPIO68_LCD_LDD_14, + GPIO69_LCD_LDD_15, + GPIO72_LCD_FCLK, + GPIO73_LCD_LCLK, + GPIO74_LCD_PCLK, + GPIO75_LCD_BIAS, + + /* BTUART */ + GPIO111_UART2_RTS, + GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL, + GPIO113_UART2_TXD, + GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH, + + /* STUART */ + GPIO109_UART3_TXD, + GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL, + + /* AC97 */ + GPIO23_AC97_nACRESET, + GPIO24_AC97_SYSCLK, + GPIO29_AC97_BITCLK, + GPIO25_AC97_SDATA_IN_0, + GPIO27_AC97_SDATA_OUT, + GPIO28_AC97_SYNC, + + /* Keypad */ + GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH, + GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH, + GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH, + GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH, + GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH, + GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH, + GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH, + GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH, + GPIO121_KP_MKOUT_0, + GPIO122_KP_MKOUT_1, + GPIO123_KP_MKOUT_2, + GPIO124_KP_MKOUT_3, + GPIO125_KP_MKOUT_4, + GPIO4_2_KP_MKOUT_5, + + /* MMC1 */ + GPIO3_MMC1_DAT0, + GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH, + GPIO5_MMC1_DAT2, + GPIO6_MMC1_DAT3, + GPIO7_MMC1_CLK, + GPIO8_MMC1_CMD, /* CMD0 for slot 0 */ + + /* MMC2 */ + GPIO9_MMC2_DAT0, + GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH, + GPIO11_MMC2_DAT2, + GPIO12_MMC2_DAT3, + GPIO13_MMC2_CLK, + GPIO14_MMC2_CMD, + + /* FFUART */ + GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL, + GPIO31_UART1_TXD, + GPIO32_UART1_CTS, + GPIO37_UART1_RTS, + GPIO33_UART1_DCD, + GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL, + GPIO35_UART1_RI, + GPIO36_UART1_DTR, + + /* GPIOs */ + GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */ + GPIO85_GPIO, /* MMC WP */ + GPIO99_GPIO, /* Ethernet IRQ */ + + /* RTC GPIOs */ + GPIO95_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC CS */ + GPIO96_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC WR */ + GPIO97_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC RD */ + GPIO98_GPIO, /* RTC IO */ + + /* Standard I2C */ + GPIO21_I2C_SCL, + GPIO22_I2C_SDA, + + /* PWM Backlight */ + GPIO19_PWM2_OUT, +}; + +static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = { + /* GPIOs */ + GPIO79_GPIO, /* LED */ + GPIO77_GPIO, /* WiFi reset */ + GPIO78_GPIO, /* BT reset */ +}; + +static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = { + /* GPIOs */ + GPIO76_GPIO, /* LED */ + GPIO71_GPIO, /* WiFi reset */ + GPIO70_GPIO, /* BT reset */ +}; + +static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = { + /* USB PORT 2 */ + ULPI_STP, + ULPI_NXT, + ULPI_DIR, + GPIO30_ULPI_DATA_OUT_0, + GPIO31_ULPI_DATA_OUT_1, + GPIO32_ULPI_DATA_OUT_2, + GPIO33_ULPI_DATA_OUT_3, + GPIO34_ULPI_DATA_OUT_4, + GPIO35_ULPI_DATA_OUT_5, + GPIO36_ULPI_DATA_OUT_6, + GPIO37_ULPI_DATA_OUT_7, + GPIO38_ULPI_CLK, + /* external PHY reset pin */ + GPIO127_GPIO, + + /* USB PORT 3 */ + GPIO77_USB_P3_1, + GPIO78_USB_P3_2, + GPIO79_USB_P3_3, + GPIO80_USB_P3_4, + GPIO81_USB_P3_5, + GPIO82_USB_P3_6, + GPIO0_2_USBH_PEN, +}; + +#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) +static struct resource dm9000_resources[] = { + [0] = { + .start = CM_X300_ETH_PHYS, + .end = CM_X300_ETH_PHYS + 0x3, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = CM_X300_ETH_PHYS + 0x4, + .end = CM_X300_ETH_PHYS + 0x4 + 500, + .flags = IORESOURCE_MEM, + }, + [2] = { + .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)), + .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)), + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, + } +}; + +static struct dm9000_plat_data cm_x300_dm9000_platdata = { + .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM, +}; + +static struct platform_device dm9000_device = { + .name = "dm9000", + .id = 0, + .num_resources = ARRAY_SIZE(dm9000_resources), + .resource = dm9000_resources, + .dev = { + .platform_data = &cm_x300_dm9000_platdata, + } + +}; + +static void __init cm_x300_init_dm9000(void) +{ + platform_device_register(&dm9000_device); +} +#else +static inline void cm_x300_init_dm9000(void) {} +#endif + +/* LCD */ +#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) +static struct pxafb_mode_info cm_x300_lcd_modes[] = { + [0] = { + .pixclock = 38250, + .bpp = 16, + .xres = 480, + .yres = 640, + .hsync_len = 8, + .vsync_len = 2, + .left_margin = 8, + .upper_margin = 2, + .right_margin = 24, + .lower_margin = 4, + .cmap_greyscale = 0, + }, + [1] = { + .pixclock = 153800, + .bpp = 16, + .xres = 240, + .yres = 320, + .hsync_len = 8, + .vsync_len = 2, + .left_margin = 8, + .upper_margin = 2, + .right_margin = 88, + .lower_margin = 2, + .cmap_greyscale = 0, + }, +}; + +static struct pxafb_mach_info cm_x300_lcd = { + .modes = cm_x300_lcd_modes, + .num_modes = ARRAY_SIZE(cm_x300_lcd_modes), + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, +}; + +static void __init cm_x300_init_lcd(void) +{ + pxa_set_fb_info(NULL, &cm_x300_lcd); +} +#else +static inline void cm_x300_init_lcd(void) {} +#endif + +#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) +static struct pwm_lookup cm_x300_pwm_lookup[] = { + PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 10000, + PWM_POLARITY_NORMAL), +}; + +static struct platform_pwm_backlight_data cm_x300_backlight_data = { + .max_brightness = 100, + .dft_brightness = 100, +}; + +static struct platform_device cm_x300_backlight_device = { + .name = "pwm-backlight", + .dev = { + .parent = &pxa27x_device_pwm0.dev, + .platform_data = &cm_x300_backlight_data, + }, +}; + +static void cm_x300_init_bl(void) +{ + pwm_add_table(cm_x300_pwm_lookup, ARRAY_SIZE(cm_x300_pwm_lookup)); + platform_device_register(&cm_x300_backlight_device); +} +#else +static inline void cm_x300_init_bl(void) {} +#endif + +#if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE) +#define GPIO_LCD_BASE (144) +#define GPIO_LCD_DIN (GPIO_LCD_BASE + 8) /* aux_gpio3_0 */ +#define GPIO_LCD_DOUT (GPIO_LCD_BASE + 9) /* aux_gpio3_1 */ +#define GPIO_LCD_SCL (GPIO_LCD_BASE + 10) /* aux_gpio3_2 */ +#define GPIO_LCD_CS (GPIO_LCD_BASE + 11) /* aux_gpio3_3 */ +#define LCD_SPI_BUS_NUM (1) + +static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = { + .num_chipselect = 1, +}; + +static struct platform_device cm_x300_spi_gpio = { + .name = "spi_gpio", + .id = LCD_SPI_BUS_NUM, + .dev = { + .platform_data = &cm_x300_spi_gpio_pdata, + }, +}; + +static struct gpiod_lookup_table cm_x300_spi_gpiod_table = { + .dev_id = "spi_gpio", + .table = { + GPIO_LOOKUP("pca9555.1", GPIO_LCD_SCL - GPIO_LCD_BASE, + "sck", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("pca9555.1", GPIO_LCD_DIN - GPIO_LCD_BASE, + "mosi", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("pca9555.1", GPIO_LCD_DOUT - GPIO_LCD_BASE, + "miso", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("pca9555.1", GPIO_LCD_CS - GPIO_LCD_BASE, + "cs", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct tdo24m_platform_data cm_x300_tdo24m_pdata = { + .model = TDO35S, +}; + +static struct spi_board_info cm_x300_spi_devices[] __initdata = { + { + .modalias = "tdo24m", + .max_speed_hz = 1000000, + .bus_num = LCD_SPI_BUS_NUM, + .chip_select = 0, + .platform_data = &cm_x300_tdo24m_pdata, + }, +}; + +static void __init cm_x300_init_spi(void) +{ + spi_register_board_info(cm_x300_spi_devices, + ARRAY_SIZE(cm_x300_spi_devices)); + gpiod_add_lookup_table(&cm_x300_spi_gpiod_table); + platform_device_register(&cm_x300_spi_gpio); +} +#else +static inline void cm_x300_init_spi(void) {} +#endif + +#if defined(CONFIG_SND_PXA2XX_LIB_AC97) +static void __init cm_x300_init_ac97(void) +{ + pxa_set_ac97_info(NULL); +} +#else +static inline void cm_x300_init_ac97(void) {} +#endif + +#if IS_ENABLED(CONFIG_MTD_NAND_MARVELL) +static struct mtd_partition cm_x300_nand_partitions[] = { + [0] = { + .name = "OBM", + .offset = 0, + .size = SZ_256K, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + [1] = { + .name = "U-Boot", + .offset = MTDPART_OFS_APPEND, + .size = SZ_256K, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + [2] = { + .name = "Environment", + .offset = MTDPART_OFS_APPEND, + .size = SZ_256K, + }, + [3] = { + .name = "reserved", + .offset = MTDPART_OFS_APPEND, + .size = SZ_256K + SZ_1M, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + [4] = { + .name = "kernel", + .offset = MTDPART_OFS_APPEND, + .size = SZ_4M, + }, + [5] = { + .name = "fs", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct pxa3xx_nand_platform_data cm_x300_nand_info = { + .keep_config = 1, + .parts = cm_x300_nand_partitions, + .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions), +}; + +static void __init cm_x300_init_nand(void) +{ + pxa3xx_set_nand_info(&cm_x300_nand_info); +} +#else +static inline void cm_x300_init_nand(void) {} +#endif + +#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE) +static struct pxamci_platform_data cm_x300_mci_platform_data = { + .detect_delay_ms = 200, + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, +}; + +static struct gpiod_lookup_table cm_x300_mci_gpio_table = { + .dev_id = "pxa2xx-mci.0", + .table = { + /* Card detect on GPIO 82 */ + GPIO_LOOKUP("gpio-pxa", GPIO82_MMC_IRQ, "cd", GPIO_ACTIVE_LOW), + /* Write protect on GPIO 85 */ + GPIO_LOOKUP("gpio-pxa", GPIO85_MMC_WP, "wp", GPIO_ACTIVE_LOW), + { }, + }, +}; + +/* The second MMC slot of CM-X300 is hardwired to Libertas card and has + no detection/ro pins */ +static int cm_x300_mci2_init(struct device *dev, + irq_handler_t cm_x300_detect_int, + void *data) +{ + return 0; +} + +static void cm_x300_mci2_exit(struct device *dev, void *data) +{ +} + +static struct pxamci_platform_data cm_x300_mci2_platform_data = { + .detect_delay_ms = 200, + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, + .init = cm_x300_mci2_init, + .exit = cm_x300_mci2_exit, +}; + +static void __init cm_x300_init_mmc(void) +{ + gpiod_add_lookup_table(&cm_x300_mci_gpio_table); + pxa_set_mci_info(&cm_x300_mci_platform_data); + pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data); +} +#else +static inline void cm_x300_init_mmc(void) {} +#endif + +#if defined(CONFIG_PXA310_ULPI) +static struct clk *pout_clk; + +static int cm_x300_ulpi_phy_reset(void) +{ + int err; + + /* reset the PHY */ + err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW, + "ulpi reset"); + if (err) { + pr_err("failed to request ULPI reset GPIO: %d\n", err); + return err; + } + + msleep(10); + gpio_set_value(GPIO_ULPI_PHY_RST, 1); + msleep(10); + + gpio_free(GPIO_ULPI_PHY_RST); + + return 0; +} + +static int cm_x300_u2d_init(struct device *dev) +{ + int err = 0; + + if (cpu_is_pxa310()) { + /* CLK_POUT is connected to the ULPI PHY */ + pout_clk = clk_get(NULL, "CLK_POUT"); + if (IS_ERR(pout_clk)) { + err = PTR_ERR(pout_clk); + pr_err("failed to get CLK_POUT: %d\n", err); + return err; + } + clk_prepare_enable(pout_clk); + + err = cm_x300_ulpi_phy_reset(); + if (err) { + clk_disable(pout_clk); + clk_put(pout_clk); + } + } + + return err; +} + +static void cm_x300_u2d_exit(struct device *dev) +{ + if (cpu_is_pxa310()) { + clk_disable_unprepare(pout_clk); + clk_put(pout_clk); + } +} + +static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = { + .ulpi_mode = ULPI_SER_6PIN, + .init = cm_x300_u2d_init, + .exit = cm_x300_u2d_exit, +}; + +static void __init cm_x300_init_u2d(void) +{ + pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data); +} +#else +static inline void cm_x300_init_u2d(void) {} +#endif + +#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +static int cm_x300_ohci_init(struct device *dev) +{ + if (cpu_is_pxa300()) + UP2OCR = UP2OCR_HXS + | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE; + + return 0; +} + +static struct pxaohci_platform_data cm_x300_ohci_platform_data = { + .port_mode = PMM_PERPORT_MODE, + .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW, + .init = cm_x300_ohci_init, +}; + +static void __init cm_x300_init_ohci(void) +{ + pxa_set_ohci_info(&cm_x300_ohci_platform_data); +} +#else +static inline void cm_x300_init_ohci(void) {} +#endif + +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +static struct gpio_led cm_x300_leds[] = { + [0] = { + .name = "cm-x300:green", + .default_trigger = "heartbeat", + .active_low = 1, + }, +}; + +static struct gpio_led_platform_data cm_x300_gpio_led_pdata = { + .num_leds = ARRAY_SIZE(cm_x300_leds), + .leds = cm_x300_leds, +}; + +static struct platform_device cm_x300_led_device = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &cm_x300_gpio_led_pdata, + }, +}; + +static void __init cm_x300_init_leds(void) +{ + if (system_rev < 130) + cm_x300_leds[0].gpio = 79; + else + cm_x300_leds[0].gpio = 76; + + platform_device_register(&cm_x300_led_device); +} +#else +static inline void cm_x300_init_leds(void) {} +#endif + +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +/* PCA9555 */ +static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = { + .gpio_base = 128, +}; + +static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = { + .gpio_base = 144, +}; + +static struct i2c_board_info cm_x300_gpio_ext_info[] = { + [0] = { + I2C_BOARD_INFO("pca9555", 0x24), + .platform_data = &cm_x300_gpio_ext_pdata_0, + }, + [1] = { + I2C_BOARD_INFO("pca9555", 0x25), + .platform_data = &cm_x300_gpio_ext_pdata_1, + }, +}; + +static void __init cm_x300_init_i2c(void) +{ + pxa_set_i2c_info(NULL); + i2c_register_board_info(0, cm_x300_gpio_ext_info, + ARRAY_SIZE(cm_x300_gpio_ext_info)); +} +#else +static inline void cm_x300_init_i2c(void) {} +#endif + +#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE) +struct v3020_platform_data cm_x300_v3020_pdata = { + .use_gpio = 1, + .gpio_cs = GPIO95_RTC_CS, + .gpio_wr = GPIO96_RTC_WR, + .gpio_rd = GPIO97_RTC_RD, + .gpio_io = GPIO98_RTC_IO, +}; + +static struct platform_device cm_x300_rtc_device = { + .name = "v3020", + .id = -1, + .dev = { + .platform_data = &cm_x300_v3020_pdata, + } +}; + +static void __init cm_x300_init_rtc(void) +{ + platform_device_register(&cm_x300_rtc_device); +} +#else +static inline void cm_x300_init_rtc(void) {} +#endif + +/* Battery */ +struct power_supply_info cm_x300_psy_info = { + .name = "battery", + .technology = POWER_SUPPLY_TECHNOLOGY_LIPO, + .voltage_max_design = 4200000, + .voltage_min_design = 3000000, + .use_for_apm = 1, +}; + +static void cm_x300_battery_low(void) +{ +#if defined(CONFIG_APM_EMULATION) + apm_queue_event(APM_LOW_BATTERY); +#endif +} + +static void cm_x300_battery_critical(void) +{ +#if defined(CONFIG_APM_EMULATION) + apm_queue_event(APM_CRITICAL_SUSPEND); +#endif +} + +struct da9030_battery_info cm_x300_battery_info = { + .battery_info = &cm_x300_psy_info, + + .charge_milliamp = 1000, + .charge_millivolt = 4200, + + .vbat_low = 3600, + .vbat_crit = 3400, + .vbat_charge_start = 4100, + .vbat_charge_stop = 4200, + .vbat_charge_restart = 4000, + + .vcharge_min = 3200, + .vcharge_max = 5500, + + .tbat_low = 197, + .tbat_high = 78, + .tbat_restart = 100, + + .batmon_interval = 0, + + .battery_low = cm_x300_battery_low, + .battery_critical = cm_x300_battery_critical, +}; + +static struct regulator_consumer_supply buck2_consumers[] = { + REGULATOR_SUPPLY("vcc_core", NULL), +}; + +static struct regulator_init_data buck2_data = { + .constraints = { + .min_uV = 1375000, + .max_uV = 1375000, + .state_mem = { + .enabled = 0, + }, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + .apply_uV = 1, + }, + .num_consumer_supplies = ARRAY_SIZE(buck2_consumers), + .consumer_supplies = buck2_consumers, +}; + +/* DA9030 */ +struct da903x_subdev_info cm_x300_da9030_subdevs[] = { + { + .name = "da903x-battery", + .id = DA9030_ID_BAT, + .platform_data = &cm_x300_battery_info, + }, + { + .name = "da903x-regulator", + .id = DA9030_ID_BUCK2, + .platform_data = &buck2_data, + }, +}; + +static struct da903x_platform_data cm_x300_da9030_info = { + .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs), + .subdevs = cm_x300_da9030_subdevs, +}; + +static struct i2c_board_info cm_x300_pmic_info = { + I2C_BOARD_INFO("da9030", 0x49), + .irq = IRQ_WAKEUP0, + .platform_data = &cm_x300_da9030_info, +}; + +static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = { + .use_pio = 1, +}; + +static void __init cm_x300_init_da9030(void) +{ + pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info); + i2c_register_board_info(1, &cm_x300_pmic_info, 1); + irq_set_irq_wake(IRQ_WAKEUP0, 1); +} + +/* wi2wi gpio setting for system_rev >= 130 */ +static struct gpio cm_x300_wi2wi_gpios[] __initdata = { + { 71, GPIOF_OUT_INIT_HIGH, "wlan en" }, + { 70, GPIOF_OUT_INIT_HIGH, "bt reset" }, +}; + +static void __init cm_x300_init_wi2wi(void) +{ + int err; + + if (system_rev < 130) { + cm_x300_wi2wi_gpios[0].gpio = 77; /* wlan en */ + cm_x300_wi2wi_gpios[1].gpio = 78; /* bt reset */ + } + + /* Libertas and CSR reset */ + err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios)); + if (err) { + pr_err("failed to request wifi/bt gpios: %d\n", err); + return; + } + + udelay(10); + gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0); + udelay(10); + gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1); + + gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios)); +} + +/* MFP */ +static void __init cm_x300_init_mfp(void) +{ + /* board-processor specific GPIO initialization */ + pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg)); + + if (system_rev < 130) + pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg)); + else + pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg)); + + if (cpu_is_pxa310()) + pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg)); +} + +static void __init cm_x300_init(void) +{ + cm_x300_init_mfp(); + + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + if (cpu_is_pxa300()) + pxa_set_ffuart_info(NULL); + + cm_x300_init_da9030(); + cm_x300_init_dm9000(); + cm_x300_init_lcd(); + cm_x300_init_u2d(); + cm_x300_init_ohci(); + cm_x300_init_mmc(); + cm_x300_init_nand(); + cm_x300_init_leds(); + cm_x300_init_i2c(); + cm_x300_init_spi(); + cm_x300_init_rtc(); + cm_x300_init_ac97(); + cm_x300_init_wi2wi(); + cm_x300_init_bl(); + + regulator_has_full_constraints(); +} + +static void __init cm_x300_fixup(struct tag *tags, char **cmdline) +{ + /* Make sure that mi->bank[0].start = PHYS_ADDR */ + for (; tags->hdr.size; tags = tag_next(tags)) + if (tags->hdr.tag == ATAG_MEM && + tags->u.mem.start == 0x80000000) { + tags->u.mem.start = 0xa0000000; + break; + } +} + +MACHINE_START(CM_X300, "CM-X300 module") + .atag_offset = 0x100, + .map_io = pxa3xx_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa3xx_init_irq, + .handle_irq = pxa3xx_handle_irq, + .init_time = pxa_timer_init, + .init_machine = cm_x300_init, + .fixup = cm_x300_fixup, + .restart = pxa_restart, +MACHINE_END |