| /* |
| * arch/arm/mach-pxa/raumfeld.c |
| * |
| * Support for the following Raumfeld devices: |
| * |
| * * Controller |
| * * Connector |
| * * Speaker S/M |
| * |
| * See http://www.raumfeld.com for details. |
| * |
| * Copyright (c) 2009 Daniel Mack <daniel@caiaq.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 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/kernel.h> |
| #include <linux/platform_device.h> |
| #include <linux/interrupt.h> |
| #include <linux/gpio.h> |
| #include <linux/smsc911x.h> |
| #include <linux/input.h> |
| #include <linux/rotary_encoder.h> |
| #include <linux/gpio_keys.h> |
| #include <linux/input/eeti_ts.h> |
| #include <linux/leds.h> |
| #include <linux/w1-gpio.h> |
| #include <linux/sched.h> |
| #include <linux/pwm.h> |
| #include <linux/pwm_backlight.h> |
| #include <linux/i2c.h> |
| #include <linux/i2c/pxa-i2c.h> |
| #include <linux/spi/spi.h> |
| #include <linux/spi/spi_gpio.h> |
| #include <linux/lis3lv02d.h> |
| #include <linux/pda_power.h> |
| #include <linux/power_supply.h> |
| #include <linux/regulator/max8660.h> |
| #include <linux/regulator/machine.h> |
| #include <linux/regulator/fixed.h> |
| #include <linux/regulator/consumer.h> |
| #include <linux/delay.h> |
| |
| #include <asm/system_info.h> |
| |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| |
| #include "pxa300.h" |
| #include <linux/platform_data/usb-ohci-pxa27x.h> |
| #include <linux/platform_data/video-pxafb.h> |
| #include <linux/platform_data/mmc-pxamci.h> |
| #include <linux/platform_data/mtd-nand-pxa3xx.h> |
| |
| #include "generic.h" |
| #include "devices.h" |
| |
| /* common GPIO definitions */ |
| |
| /* inputs */ |
| #define GPIO_ON_OFF (14) |
| #define GPIO_VOLENC_A (19) |
| #define GPIO_VOLENC_B (20) |
| #define GPIO_CHARGE_DONE (23) |
| #define GPIO_CHARGE_IND (27) |
| #define GPIO_TOUCH_IRQ (32) |
| #define GPIO_ETH_IRQ (40) |
| #define GPIO_SPI_MISO (98) |
| #define GPIO_ACCEL_IRQ (104) |
| #define GPIO_RESCUE_BOOT (115) |
| #define GPIO_DOCK_DETECT (116) |
| #define GPIO_KEY1 (117) |
| #define GPIO_KEY2 (118) |
| #define GPIO_KEY3 (119) |
| #define GPIO_CHARGE_USB_OK (112) |
| #define GPIO_CHARGE_DC_OK (101) |
| #define GPIO_CHARGE_USB_SUSP (102) |
| |
| /* outputs */ |
| #define GPIO_SHUTDOWN_SUPPLY (16) |
| #define GPIO_SHUTDOWN_BATT (18) |
| #define GPIO_CHRG_PEN2 (31) |
| #define GPIO_TFT_VA_EN (33) |
| #define GPIO_SPDIF_CS (34) |
| #define GPIO_LED2 (35) |
| #define GPIO_LED1 (36) |
| #define GPIO_SPDIF_RESET (38) |
| #define GPIO_SPI_CLK (95) |
| #define GPIO_MCLK_DAC_CS (96) |
| #define GPIO_SPI_MOSI (97) |
| #define GPIO_W1_PULLUP_ENABLE (105) |
| #define GPIO_DISPLAY_ENABLE (106) |
| #define GPIO_MCLK_RESET (111) |
| #define GPIO_W2W_RESET (113) |
| #define GPIO_W2W_PDN (114) |
| #define GPIO_CODEC_RESET (120) |
| #define GPIO_AUDIO_VA_ENABLE (124) |
| #define GPIO_ACCEL_CS (125) |
| #define GPIO_ONE_WIRE (126) |
| |
| /* |
| * GPIO configurations |
| */ |
| static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = { |
| /* UART1 */ |
| GPIO77_UART1_RXD, |
| GPIO78_UART1_TXD, |
| GPIO79_UART1_CTS, |
| GPIO81_UART1_DSR, |
| GPIO83_UART1_DTR, |
| GPIO84_UART1_RTS, |
| |
| /* UART3 */ |
| GPIO110_UART3_RXD, |
| |
| /* USB Host */ |
| GPIO0_2_USBH_PEN, |
| GPIO1_2_USBH_PWR, |
| |
| /* I2C */ |
| GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT, |
| GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT, |
| |
| /* SPI */ |
| GPIO34_GPIO, /* SPDIF_CS */ |
| GPIO96_GPIO, /* MCLK_CS */ |
| GPIO125_GPIO, /* ACCEL_CS */ |
| |
| /* MMC */ |
| GPIO3_MMC1_DAT0, |
| GPIO4_MMC1_DAT1, |
| GPIO5_MMC1_DAT2, |
| GPIO6_MMC1_DAT3, |
| GPIO7_MMC1_CLK, |
| GPIO8_MMC1_CMD, |
| |
| /* One-wire */ |
| GPIO126_GPIO | MFP_LPM_FLOAT, |
| GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW, |
| |
| /* CHRG_USB_OK */ |
| GPIO101_GPIO | MFP_PULL_HIGH, |
| /* CHRG_USB_OK */ |
| GPIO112_GPIO | MFP_PULL_HIGH, |
| /* CHRG_USB_SUSP */ |
| GPIO102_GPIO, |
| /* DISPLAY_ENABLE */ |
| GPIO106_GPIO, |
| /* DOCK_DETECT */ |
| GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT, |
| |
| /* 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, |
| GPIO70_LCD_LDD_16, |
| GPIO71_LCD_LDD_17, |
| GPIO72_LCD_FCLK, |
| GPIO73_LCD_LCLK, |
| GPIO74_LCD_PCLK, |
| GPIO75_LCD_BIAS, |
| }; |
| |
| static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = { |
| /* UART1 */ |
| GPIO77_UART1_RXD, |
| GPIO78_UART1_TXD, |
| GPIO79_UART1_CTS, |
| GPIO81_UART1_DSR, |
| GPIO83_UART1_DTR, |
| GPIO84_UART1_RTS, |
| |
| /* UART3 */ |
| GPIO110_UART3_RXD, |
| |
| /* USB Host */ |
| GPIO0_2_USBH_PEN, |
| GPIO1_2_USBH_PWR, |
| |
| /* I2C */ |
| GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT, |
| GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT, |
| |
| /* SPI */ |
| GPIO34_GPIO, /* SPDIF_CS */ |
| GPIO96_GPIO, /* MCLK_CS */ |
| GPIO125_GPIO, /* ACCEL_CS */ |
| |
| /* MMC */ |
| GPIO3_MMC1_DAT0, |
| GPIO4_MMC1_DAT1, |
| GPIO5_MMC1_DAT2, |
| GPIO6_MMC1_DAT3, |
| GPIO7_MMC1_CLK, |
| GPIO8_MMC1_CMD, |
| |
| /* Ethernet */ |
| GPIO1_nCS2, /* CS */ |
| GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */ |
| |
| /* SSP for I2S */ |
| GPIO85_SSP1_SCLK, |
| GPIO89_SSP1_EXTCLK, |
| GPIO86_SSP1_FRM, |
| GPIO87_SSP1_TXD, |
| GPIO88_SSP1_RXD, |
| GPIO90_SSP1_SYSCLK, |
| |
| /* SSP2 for S/PDIF */ |
| GPIO25_SSP2_SCLK, |
| GPIO26_SSP2_FRM, |
| GPIO27_SSP2_TXD, |
| GPIO29_SSP2_EXTCLK, |
| |
| /* LEDs */ |
| GPIO35_GPIO | MFP_LPM_PULL_LOW, |
| GPIO36_GPIO | MFP_LPM_DRIVE_HIGH, |
| }; |
| |
| static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = { |
| /* UART1 */ |
| GPIO77_UART1_RXD, |
| GPIO78_UART1_TXD, |
| GPIO79_UART1_CTS, |
| GPIO81_UART1_DSR, |
| GPIO83_UART1_DTR, |
| GPIO84_UART1_RTS, |
| |
| /* UART3 */ |
| GPIO110_UART3_RXD, |
| |
| /* USB Host */ |
| GPIO0_2_USBH_PEN, |
| GPIO1_2_USBH_PWR, |
| |
| /* I2C */ |
| GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT, |
| GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT, |
| |
| /* SPI */ |
| GPIO34_GPIO, /* SPDIF_CS */ |
| GPIO96_GPIO, /* MCLK_CS */ |
| GPIO125_GPIO, /* ACCEL_CS */ |
| |
| /* MMC */ |
| GPIO3_MMC1_DAT0, |
| GPIO4_MMC1_DAT1, |
| GPIO5_MMC1_DAT2, |
| GPIO6_MMC1_DAT3, |
| GPIO7_MMC1_CLK, |
| GPIO8_MMC1_CMD, |
| |
| /* Ethernet */ |
| GPIO1_nCS2, /* CS */ |
| GPIO40_GPIO | MFP_PULL_HIGH, /* IRQ */ |
| |
| /* SSP for I2S */ |
| GPIO85_SSP1_SCLK, |
| GPIO89_SSP1_EXTCLK, |
| GPIO86_SSP1_FRM, |
| GPIO87_SSP1_TXD, |
| GPIO88_SSP1_RXD, |
| GPIO90_SSP1_SYSCLK, |
| |
| /* LEDs */ |
| GPIO35_GPIO | MFP_LPM_PULL_LOW, |
| GPIO36_GPIO | MFP_LPM_DRIVE_HIGH, |
| }; |
| |
| /* |
| * SMSC LAN9220 Ethernet |
| */ |
| |
| static struct resource smc91x_resources[] = { |
| { |
| .start = PXA3xx_CS2_PHYS, |
| .end = PXA3xx_CS2_PHYS + 0xfffff, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ), |
| .end = PXA_GPIO_TO_IRQ(GPIO_ETH_IRQ), |
| .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING, |
| } |
| }; |
| |
| static struct smsc911x_platform_config raumfeld_smsc911x_config = { |
| .phy_interface = PHY_INTERFACE_MODE_MII, |
| .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, |
| .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, |
| .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS, |
| }; |
| |
| static struct platform_device smc91x_device = { |
| .name = "smsc911x", |
| .id = -1, |
| .num_resources = ARRAY_SIZE(smc91x_resources), |
| .resource = smc91x_resources, |
| .dev = { |
| .platform_data = &raumfeld_smsc911x_config, |
| } |
| }; |
| |
| /** |
| * NAND |
| */ |
| |
| static struct mtd_partition raumfeld_nand_partitions[] = { |
| { |
| .name = "Bootloader", |
| .offset = 0, |
| .size = 0xa0000, |
| .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| }, |
| { |
| .name = "BootloaderEnvironment", |
| .offset = 0xa0000, |
| .size = 0x20000, |
| }, |
| { |
| .name = "BootloaderSplashScreen", |
| .offset = 0xc0000, |
| .size = 0x60000, |
| }, |
| { |
| .name = "UBI", |
| .offset = 0x120000, |
| .size = MTDPART_SIZ_FULL, |
| }, |
| }; |
| |
| static struct pxa3xx_nand_platform_data raumfeld_nand_info = { |
| .enable_arbiter = 1, |
| .keep_config = 1, |
| .num_cs = 1, |
| .parts[0] = raumfeld_nand_partitions, |
| .nr_parts[0] = ARRAY_SIZE(raumfeld_nand_partitions), |
| }; |
| |
| /** |
| * USB (OHCI) support |
| */ |
| |
| static struct pxaohci_platform_data raumfeld_ohci_info = { |
| .port_mode = PMM_GLOBAL_MODE, |
| .flags = ENABLE_PORT1, |
| }; |
| |
| /** |
| * Rotary encoder input device |
| */ |
| |
| static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = { |
| .steps = 24, |
| .axis = REL_X, |
| .relative_axis = 1, |
| .gpio_a = GPIO_VOLENC_A, |
| .gpio_b = GPIO_VOLENC_B, |
| .inverted_a = 1, |
| .inverted_b = 0, |
| }; |
| |
| static struct platform_device rotary_encoder_device = { |
| .name = "rotary-encoder", |
| .id = 0, |
| .dev = { |
| .platform_data = &raumfeld_rotary_encoder_info, |
| } |
| }; |
| |
| /** |
| * GPIO buttons |
| */ |
| |
| static struct gpio_keys_button gpio_keys_button[] = { |
| { |
| .code = KEY_F1, |
| .type = EV_KEY, |
| .gpio = GPIO_KEY1, |
| .active_low = 1, |
| .wakeup = 0, |
| .debounce_interval = 5, /* ms */ |
| .desc = "Button 1", |
| }, |
| { |
| .code = KEY_F2, |
| .type = EV_KEY, |
| .gpio = GPIO_KEY2, |
| .active_low = 1, |
| .wakeup = 0, |
| .debounce_interval = 5, /* ms */ |
| .desc = "Button 2", |
| }, |
| { |
| .code = KEY_F3, |
| .type = EV_KEY, |
| .gpio = GPIO_KEY3, |
| .active_low = 1, |
| .wakeup = 0, |
| .debounce_interval = 5, /* ms */ |
| .desc = "Button 3", |
| }, |
| { |
| .code = KEY_F4, |
| .type = EV_KEY, |
| .gpio = GPIO_RESCUE_BOOT, |
| .active_low = 0, |
| .wakeup = 0, |
| .debounce_interval = 5, /* ms */ |
| .desc = "rescue boot button", |
| }, |
| { |
| .code = KEY_F5, |
| .type = EV_KEY, |
| .gpio = GPIO_DOCK_DETECT, |
| .active_low = 1, |
| .wakeup = 0, |
| .debounce_interval = 5, /* ms */ |
| .desc = "dock detect", |
| }, |
| { |
| .code = KEY_F6, |
| .type = EV_KEY, |
| .gpio = GPIO_ON_OFF, |
| .active_low = 0, |
| .wakeup = 0, |
| .debounce_interval = 5, /* ms */ |
| .desc = "on_off button", |
| }, |
| }; |
| |
| static struct gpio_keys_platform_data gpio_keys_platform_data = { |
| .buttons = gpio_keys_button, |
| .nbuttons = ARRAY_SIZE(gpio_keys_button), |
| .rep = 0, |
| }; |
| |
| static struct platform_device raumfeld_gpio_keys_device = { |
| .name = "gpio-keys", |
| .id = -1, |
| .dev = { |
| .platform_data = &gpio_keys_platform_data, |
| } |
| }; |
| |
| /** |
| * GPIO LEDs |
| */ |
| |
| static struct gpio_led raumfeld_leds[] = { |
| { |
| .name = "raumfeld:1", |
| .gpio = GPIO_LED1, |
| .active_low = 1, |
| .default_state = LEDS_GPIO_DEFSTATE_ON, |
| }, |
| { |
| .name = "raumfeld:2", |
| .gpio = GPIO_LED2, |
| .active_low = 0, |
| .default_state = LEDS_GPIO_DEFSTATE_OFF, |
| } |
| }; |
| |
| static struct gpio_led_platform_data raumfeld_led_platform_data = { |
| .leds = raumfeld_leds, |
| .num_leds = ARRAY_SIZE(raumfeld_leds), |
| }; |
| |
| static struct platform_device raumfeld_led_device = { |
| .name = "leds-gpio", |
| .id = -1, |
| .dev = { |
| .platform_data = &raumfeld_led_platform_data, |
| }, |
| }; |
| |
| /** |
| * One-wire (W1 bus) support |
| */ |
| |
| static void w1_enable_external_pullup(int enable) |
| { |
| gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable); |
| msleep(100); |
| } |
| |
| static struct w1_gpio_platform_data w1_gpio_platform_data = { |
| .pin = GPIO_ONE_WIRE, |
| .is_open_drain = 0, |
| .enable_external_pullup = w1_enable_external_pullup, |
| .ext_pullup_enable_pin = -EINVAL, |
| }; |
| |
| static struct platform_device raumfeld_w1_gpio_device = { |
| .name = "w1-gpio", |
| .dev = { |
| .platform_data = &w1_gpio_platform_data |
| } |
| }; |
| |
| static void __init raumfeld_w1_init(void) |
| { |
| int ret = gpio_request(GPIO_W1_PULLUP_ENABLE, |
| "W1 external pullup enable"); |
| |
| if (ret < 0) |
| pr_warn("Unable to request GPIO_W1_PULLUP_ENABLE\n"); |
| else |
| gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0); |
| |
| platform_device_register(&raumfeld_w1_gpio_device); |
| } |
| |
| /** |
| * Framebuffer device |
| */ |
| |
| static struct pwm_lookup raumfeld_pwm_lookup[] = { |
| PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 10000, |
| PWM_POLARITY_NORMAL), |
| }; |
| |
| /* PWM controlled backlight */ |
| static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = { |
| .max_brightness = 100, |
| .dft_brightness = 100, |
| .enable_gpio = -1, |
| }; |
| |
| static struct platform_device raumfeld_pwm_backlight_device = { |
| .name = "pwm-backlight", |
| .dev = { |
| .parent = &pxa27x_device_pwm0.dev, |
| .platform_data = &raumfeld_pwm_backlight_data, |
| } |
| }; |
| |
| /* LT3593 controlled backlight */ |
| static struct gpio_led raumfeld_lt3593_led = { |
| .name = "backlight", |
| .gpio = mfp_to_gpio(MFP_PIN_GPIO17), |
| .default_state = LEDS_GPIO_DEFSTATE_ON, |
| }; |
| |
| static struct gpio_led_platform_data raumfeld_lt3593_platform_data = { |
| .leds = &raumfeld_lt3593_led, |
| .num_leds = 1, |
| }; |
| |
| static struct platform_device raumfeld_lt3593_device = { |
| .name = "leds-lt3593", |
| .id = -1, |
| .dev = { |
| .platform_data = &raumfeld_lt3593_platform_data, |
| }, |
| }; |
| |
| static struct pxafb_mode_info sharp_lq043t3dx02_mode = { |
| .pixclock = 111000, |
| .xres = 480, |
| .yres = 272, |
| .bpp = 16, |
| .hsync_len = 41, |
| .left_margin = 2, |
| .right_margin = 1, |
| .vsync_len = 10, |
| .upper_margin = 3, |
| .lower_margin = 1, |
| .sync = 0, |
| }; |
| |
| static struct pxafb_mach_info raumfeld_sharp_lcd_info = { |
| .modes = &sharp_lq043t3dx02_mode, |
| .num_modes = 1, |
| .video_mem_size = 0x400000, |
| .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, |
| #ifdef CONFIG_PXA3XX_GCU |
| .acceleration_enabled = 1, |
| #endif |
| }; |
| |
| static void __init raumfeld_lcd_init(void) |
| { |
| int ret; |
| |
| ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable"); |
| if (ret < 0) |
| pr_warn("Unable to request GPIO_TFT_VA_EN\n"); |
| else |
| gpio_direction_output(GPIO_TFT_VA_EN, 1); |
| |
| msleep(100); |
| |
| ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable"); |
| if (ret < 0) |
| pr_warn("Unable to request GPIO_DISPLAY_ENABLE\n"); |
| else |
| gpio_direction_output(GPIO_DISPLAY_ENABLE, 1); |
| |
| /* Hardware revision 2 has the backlight regulator controlled |
| * by an LT3593, earlier and later devices use PWM for that. */ |
| if ((system_rev & 0xff) == 2) { |
| platform_device_register(&raumfeld_lt3593_device); |
| } else { |
| mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT; |
| pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1); |
| pwm_add_table(raumfeld_pwm_lookup, |
| ARRAY_SIZE(raumfeld_pwm_lookup)); |
| platform_device_register(&raumfeld_pwm_backlight_device); |
| } |
| |
| pxa_set_fb_info(NULL, &raumfeld_sharp_lcd_info); |
| platform_device_register(&pxa3xx_device_gcu); |
| } |
| |
| /** |
| * SPI devices |
| */ |
| |
| static struct spi_gpio_platform_data raumfeld_spi_platform_data = { |
| .sck = GPIO_SPI_CLK, |
| .mosi = GPIO_SPI_MOSI, |
| .miso = GPIO_SPI_MISO, |
| .num_chipselect = 3, |
| }; |
| |
| static struct platform_device raumfeld_spi_device = { |
| .name = "spi_gpio", |
| .id = 0, |
| .dev = { |
| .platform_data = &raumfeld_spi_platform_data, |
| } |
| }; |
| |
| static struct lis3lv02d_platform_data lis3_pdata = { |
| .click_flags = LIS3_CLICK_SINGLE_X | |
| LIS3_CLICK_SINGLE_Y | |
| LIS3_CLICK_SINGLE_Z, |
| .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK, |
| .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI | |
| LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI | |
| LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI, |
| .wakeup_thresh = 10, |
| .click_thresh_x = 10, |
| .click_thresh_y = 10, |
| .click_thresh_z = 10, |
| }; |
| |
| #define SPI_AK4104 \ |
| { \ |
| .modalias = "ak4104-codec", \ |
| .max_speed_hz = 10000, \ |
| .bus_num = 0, \ |
| .chip_select = 0, \ |
| .controller_data = (void *) GPIO_SPDIF_CS, \ |
| } |
| |
| #define SPI_LIS3 \ |
| { \ |
| .modalias = "lis3lv02d_spi", \ |
| .max_speed_hz = 1000000, \ |
| .bus_num = 0, \ |
| .chip_select = 1, \ |
| .controller_data = (void *) GPIO_ACCEL_CS, \ |
| .platform_data = &lis3_pdata, \ |
| .irq = PXA_GPIO_TO_IRQ(GPIO_ACCEL_IRQ), \ |
| } |
| |
| #define SPI_DAC7512 \ |
| { \ |
| .modalias = "dac7512", \ |
| .max_speed_hz = 1000000, \ |
| .bus_num = 0, \ |
| .chip_select = 2, \ |
| .controller_data = (void *) GPIO_MCLK_DAC_CS, \ |
| } |
| |
| static struct spi_board_info connector_spi_devices[] __initdata = { |
| SPI_AK4104, |
| SPI_DAC7512, |
| }; |
| |
| static struct spi_board_info speaker_spi_devices[] __initdata = { |
| SPI_DAC7512, |
| }; |
| |
| static struct spi_board_info controller_spi_devices[] __initdata = { |
| SPI_LIS3, |
| }; |
| |
| /** |
| * MMC for Marvell Libertas 8688 via SDIO |
| */ |
| |
| static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data) |
| { |
| gpio_set_value(GPIO_W2W_RESET, 1); |
| gpio_set_value(GPIO_W2W_PDN, 1); |
| |
| return 0; |
| } |
| |
| static void raumfeld_mci_exit(struct device *dev, void *data) |
| { |
| gpio_set_value(GPIO_W2W_RESET, 0); |
| gpio_set_value(GPIO_W2W_PDN, 0); |
| } |
| |
| static struct pxamci_platform_data raumfeld_mci_platform_data = { |
| .init = raumfeld_mci_init, |
| .exit = raumfeld_mci_exit, |
| .detect_delay_ms = 200, |
| .gpio_card_detect = -1, |
| .gpio_card_ro = -1, |
| .gpio_power = -1, |
| }; |
| |
| /* |
| * External power / charge logic |
| */ |
| |
| static int power_supply_init(struct device *dev) |
| { |
| return 0; |
| } |
| |
| static void power_supply_exit(struct device *dev) |
| { |
| } |
| |
| static int raumfeld_is_ac_online(void) |
| { |
| return !gpio_get_value(GPIO_CHARGE_DC_OK); |
| } |
| |
| static int raumfeld_is_usb_online(void) |
| { |
| return 0; |
| } |
| |
| static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" }; |
| |
| static void raumfeld_power_signal_charged(void) |
| { |
| struct power_supply *psy = |
| power_supply_get_by_name(raumfeld_power_supplicants[0]); |
| |
| if (psy) { |
| power_supply_set_battery_charged(psy); |
| power_supply_put(psy); |
| } |
| } |
| |
| static int raumfeld_power_resume(void) |
| { |
| /* check if GPIO_CHARGE_DONE went low while we were sleeping */ |
| if (!gpio_get_value(GPIO_CHARGE_DONE)) |
| raumfeld_power_signal_charged(); |
| |
| return 0; |
| } |
| |
| static struct pda_power_pdata power_supply_info = { |
| .init = power_supply_init, |
| .is_ac_online = raumfeld_is_ac_online, |
| .is_usb_online = raumfeld_is_usb_online, |
| .exit = power_supply_exit, |
| .supplied_to = raumfeld_power_supplicants, |
| .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants), |
| .resume = raumfeld_power_resume, |
| }; |
| |
| static struct resource power_supply_resources[] = { |
| { |
| .name = "ac", |
| .flags = IORESOURCE_IRQ | |
| IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE, |
| .start = GPIO_CHARGE_DC_OK, |
| .end = GPIO_CHARGE_DC_OK, |
| }, |
| }; |
| |
| static irqreturn_t charge_done_irq(int irq, void *dev_id) |
| { |
| raumfeld_power_signal_charged(); |
| return IRQ_HANDLED; |
| } |
| |
| static struct platform_device raumfeld_power_supply = { |
| .name = "pda-power", |
| .id = -1, |
| .dev = { |
| .platform_data = &power_supply_info, |
| }, |
| .resource = power_supply_resources, |
| .num_resources = ARRAY_SIZE(power_supply_resources), |
| }; |
| |
| static void __init raumfeld_power_init(void) |
| { |
| int ret; |
| |
| /* Set PEN2 high to enable maximum charge current */ |
| ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2"); |
| if (ret < 0) |
| pr_warn("Unable to request GPIO_CHRG_PEN2\n"); |
| else |
| gpio_direction_output(GPIO_CHRG_PEN2, 1); |
| |
| ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK"); |
| if (ret < 0) |
| pr_warn("Unable to request GPIO_CHARGE_DC_OK\n"); |
| |
| ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP"); |
| if (ret < 0) |
| pr_warn("Unable to request GPIO_CHARGE_USB_SUSP\n"); |
| else |
| gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0); |
| |
| power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK); |
| power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK); |
| |
| ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE), |
| &charge_done_irq, IORESOURCE_IRQ_LOWEDGE, |
| "charge_done", NULL); |
| |
| if (ret < 0) |
| printk(KERN_ERR "%s: unable to register irq %d\n", __func__, |
| GPIO_CHARGE_DONE); |
| else |
| platform_device_register(&raumfeld_power_supply); |
| } |
| |
| /* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */ |
| |
| static struct regulator_consumer_supply audio_va_consumer_supply = |
| REGULATOR_SUPPLY("va", "0-0048"); |
| |
| static struct regulator_init_data audio_va_initdata = { |
| .consumer_supplies = &audio_va_consumer_supply, |
| .num_consumer_supplies = 1, |
| .constraints = { |
| .valid_ops_mask = REGULATOR_CHANGE_STATUS, |
| }, |
| }; |
| |
| static struct fixed_voltage_config audio_va_config = { |
| .supply_name = "audio_va", |
| .microvolts = 5000000, |
| .gpio = GPIO_AUDIO_VA_ENABLE, |
| .enable_high = 1, |
| .enabled_at_boot = 0, |
| .init_data = &audio_va_initdata, |
| }; |
| |
| static struct platform_device audio_va_device = { |
| .name = "reg-fixed-voltage", |
| .id = 0, |
| .dev = { |
| .platform_data = &audio_va_config, |
| }, |
| }; |
| |
| /* Dummy supplies for Codec's VD/VLC */ |
| |
| static struct regulator_consumer_supply audio_dummy_supplies[] = { |
| REGULATOR_SUPPLY("vd", "0-0048"), |
| REGULATOR_SUPPLY("vlc", "0-0048"), |
| }; |
| |
| static struct regulator_init_data audio_dummy_initdata = { |
| .consumer_supplies = audio_dummy_supplies, |
| .num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies), |
| .constraints = { |
| .valid_ops_mask = REGULATOR_CHANGE_STATUS, |
| }, |
| }; |
| |
| static struct fixed_voltage_config audio_dummy_config = { |
| .supply_name = "audio_vd", |
| .microvolts = 3300000, |
| .gpio = -1, |
| .init_data = &audio_dummy_initdata, |
| }; |
| |
| static struct platform_device audio_supply_dummy_device = { |
| .name = "reg-fixed-voltage", |
| .id = 1, |
| .dev = { |
| .platform_data = &audio_dummy_config, |
| }, |
| }; |
| |
| static struct platform_device *audio_regulator_devices[] = { |
| &audio_va_device, |
| &audio_supply_dummy_device, |
| }; |
| |
| /** |
| * Regulator support via MAX8660 |
| */ |
| |
| static struct regulator_consumer_supply vcc_mmc_supply = |
| REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0"); |
| |
| static struct regulator_init_data vcc_mmc_init_data = { |
| .constraints = { |
| .min_uV = 3300000, |
| .max_uV = 3300000, |
| .valid_modes_mask = REGULATOR_MODE_NORMAL, |
| .valid_ops_mask = REGULATOR_CHANGE_STATUS | |
| REGULATOR_CHANGE_VOLTAGE | |
| REGULATOR_CHANGE_MODE, |
| }, |
| .consumer_supplies = &vcc_mmc_supply, |
| .num_consumer_supplies = 1, |
| }; |
| |
| static struct max8660_subdev_data max8660_v6_subdev_data = { |
| .id = MAX8660_V6, |
| .name = "vmmc", |
| .platform_data = &vcc_mmc_init_data, |
| }; |
| |
| static struct max8660_platform_data max8660_pdata = { |
| .subdevs = &max8660_v6_subdev_data, |
| .num_subdevs = 1, |
| }; |
| |
| /** |
| * I2C devices |
| */ |
| |
| static struct i2c_board_info raumfeld_pwri2c_board_info = { |
| .type = "max8660", |
| .addr = 0x34, |
| .platform_data = &max8660_pdata, |
| }; |
| |
| static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = { |
| .type = "cs4270", |
| .addr = 0x48, |
| }; |
| |
| static struct eeti_ts_platform_data eeti_ts_pdata = { |
| .irq_active_high = 1, |
| .irq_gpio = GPIO_TOUCH_IRQ, |
| }; |
| |
| static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = { |
| .type = "eeti_ts", |
| .addr = 0x0a, |
| .platform_data = &eeti_ts_pdata, |
| }; |
| |
| static struct platform_device *raumfeld_common_devices[] = { |
| &raumfeld_gpio_keys_device, |
| &raumfeld_led_device, |
| &raumfeld_spi_device, |
| }; |
| |
| static void __init raumfeld_audio_init(void) |
| { |
| int ret; |
| |
| ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset"); |
| if (ret < 0) |
| pr_warn("unable to request GPIO_CODEC_RESET\n"); |
| else |
| gpio_direction_output(GPIO_CODEC_RESET, 1); |
| |
| ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset"); |
| if (ret < 0) |
| pr_warn("unable to request GPIO_SPDIF_RESET\n"); |
| else |
| gpio_direction_output(GPIO_SPDIF_RESET, 1); |
| |
| ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset"); |
| if (ret < 0) |
| pr_warn("unable to request GPIO_MCLK_RESET\n"); |
| else |
| gpio_direction_output(GPIO_MCLK_RESET, 1); |
| |
| platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices)); |
| } |
| |
| static void __init raumfeld_common_init(void) |
| { |
| int ret; |
| |
| /* The on/off button polarity has changed after revision 1 */ |
| if ((system_rev & 0xff) > 1) { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++) |
| if (!strcmp(gpio_keys_button[i].desc, "on_off button")) |
| gpio_keys_button[i].active_low = 1; |
| } |
| |
| enable_irq_wake(IRQ_WAKEUP0); |
| |
| pxa3xx_set_nand_info(&raumfeld_nand_info); |
| pxa3xx_set_i2c_power_info(NULL); |
| pxa_set_ohci_info(&raumfeld_ohci_info); |
| pxa_set_mci_info(&raumfeld_mci_platform_data); |
| pxa_set_i2c_info(NULL); |
| pxa_set_ffuart_info(NULL); |
| |
| ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset"); |
| if (ret < 0) |
| pr_warn("Unable to request GPIO_W2W_RESET\n"); |
| else |
| gpio_direction_output(GPIO_W2W_RESET, 0); |
| |
| ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup"); |
| if (ret < 0) |
| pr_warn("Unable to request GPIO_W2W_PDN\n"); |
| else |
| gpio_direction_output(GPIO_W2W_PDN, 0); |
| |
| /* this can be used to switch off the device */ |
| ret = gpio_request(GPIO_SHUTDOWN_SUPPLY, "supply shutdown"); |
| if (ret < 0) |
| pr_warn("Unable to request GPIO_SHUTDOWN_SUPPLY\n"); |
| else |
| gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0); |
| |
| platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices)); |
| i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1); |
| } |
| |
| static void __init __maybe_unused raumfeld_controller_init(void) |
| { |
| int ret; |
| |
| pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config)); |
| platform_device_register(&rotary_encoder_device); |
| spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices)); |
| i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1); |
| |
| ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown"); |
| if (ret < 0) |
| pr_warn("Unable to request GPIO_SHUTDOWN_BATT\n"); |
| else |
| gpio_direction_output(GPIO_SHUTDOWN_BATT, 0); |
| |
| raumfeld_common_init(); |
| raumfeld_power_init(); |
| raumfeld_lcd_init(); |
| raumfeld_w1_init(); |
| } |
| |
| static void __init __maybe_unused raumfeld_connector_init(void) |
| { |
| pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config)); |
| spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices)); |
| i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1); |
| |
| platform_device_register(&smc91x_device); |
| |
| raumfeld_audio_init(); |
| raumfeld_common_init(); |
| } |
| |
| static void __init __maybe_unused raumfeld_speaker_init(void) |
| { |
| pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config)); |
| spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices)); |
| i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1); |
| |
| platform_device_register(&smc91x_device); |
| platform_device_register(&rotary_encoder_device); |
| |
| raumfeld_audio_init(); |
| raumfeld_common_init(); |
| } |
| |
| /* physical memory regions */ |
| #define RAUMFELD_SDRAM_BASE 0xa0000000 /* SDRAM region */ |
| |
| #ifdef CONFIG_MACH_RAUMFELD_RC |
| MACHINE_START(RAUMFELD_RC, "Raumfeld Controller") |
| .atag_offset = 0x100, |
| .init_machine = raumfeld_controller_init, |
| .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, |
| .restart = pxa_restart, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR |
| MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector") |
| .atag_offset = 0x100, |
| .init_machine = raumfeld_connector_init, |
| .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, |
| .restart = pxa_restart, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_MACH_RAUMFELD_SPEAKER |
| MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker") |
| .atag_offset = 0x100, |
| .init_machine = raumfeld_speaker_init, |
| .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, |
| .restart = pxa_restart, |
| MACHINE_END |
| #endif |