diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-mx27_3ds.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-mx27_3ds.c | 187 |
1 files changed, 175 insertions, 12 deletions
diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c index 84a5ba03f1ba..614b3c00c4a0 100644 --- a/arch/arm/mach-imx/mach-mx27_3ds.c +++ b/arch/arm/mach-imx/mach-mx27_3ds.c @@ -22,20 +22,30 @@ #include <linux/platform_device.h> #include <linux/gpio.h> -#include <linux/input/matrix_keypad.h> #include <linux/irq.h> +#include <linux/usb/otg.h> +#include <linux/usb/ulpi.h> +#include <linux/delay.h> +#include <linux/mfd/mc13783.h> +#include <linux/spi/spi.h> +#include <linux/regulator/machine.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <mach/hardware.h> #include <mach/common.h> #include <mach/iomux-mx27.h> -#include <mach/mmc.h> +#include <mach/ulpi.h> +#include <mach/irqs.h> +#include <mach/3ds_debugboard.h> #include "devices-imx27.h" -#include "devices.h" #define SD1_EN_GPIO (GPIO_PORTB + 25) +#define OTG_PHY_RESET_GPIO (GPIO_PORTB + 23) +#define SPI2_SS0 (GPIO_PORTD + 21) +#define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTC + 28) static const int mx27pdk_pins[] __initconst = { /* UART1 */ @@ -70,6 +80,27 @@ static const int mx27pdk_pins[] __initconst = { PE22_PF_SD1_CMD, PE23_PF_SD1_CLK, SD1_EN_GPIO | GPIO_GPIO | GPIO_OUT, + /* OTG */ + OTG_PHY_RESET_GPIO | GPIO_GPIO | GPIO_OUT, + PC7_PF_USBOTG_DATA5, + PC8_PF_USBOTG_DATA6, + PC9_PF_USBOTG_DATA0, + PC10_PF_USBOTG_DATA2, + PC11_PF_USBOTG_DATA1, + PC12_PF_USBOTG_DATA4, + PC13_PF_USBOTG_DATA3, + PE0_PF_USBOTG_NXT, + PE1_PF_USBOTG_STP, + PE2_PF_USBOTG_DIR, + PE24_PF_USBOTG_CLK, + PE25_PF_USBOTG_DATA7, + /* CSPI2 */ + PD22_PF_CSPI2_SCLK, + PD23_PF_CSPI2_MISO, + PD24_PF_CSPI2_MOSI, + /* I2C1 */ + PD17_PF_I2C_DATA, + PD18_PF_I2C_CLK, }; static const struct imxuart_platform_data uart_pdata __initconst = { @@ -92,7 +123,7 @@ static const uint32_t mx27_3ds_keymap[] = { KEY(2, 3, KEY_F10), }; -static struct matrix_keymap_data mx27_3ds_keymap_data = { +static const struct matrix_keymap_data mx27_3ds_keymap_data __initconst = { .keymap = mx27_3ds_keymap, .keymap_size = ARRAY_SIZE(mx27_3ds_keymap), }; @@ -109,7 +140,7 @@ static void mx27_3ds_sdhc1_exit(struct device *dev, void *data) free_irq(IRQ_GPIOB(26), data); } -static struct imxmmc_platform_data sdhc1_pdata = { +static const struct imxmmc_platform_data sdhc1_pdata __initconst = { .init = mx27_3ds_sdhc1_init, .exit = mx27_3ds_sdhc1_exit, }; @@ -121,6 +152,116 @@ static void mx27_3ds_sdhc1_enable_level_translator(void) gpio_direction_output(SD1_EN_GPIO, 1); } + +static int otg_phy_init(void) +{ + gpio_request(OTG_PHY_RESET_GPIO, "usb-otg-reset"); + gpio_direction_output(OTG_PHY_RESET_GPIO, 0); + mdelay(1); + gpio_set_value(OTG_PHY_RESET_GPIO, 1); + return 0; +} + +static int mx27_3ds_otg_init(struct platform_device *pdev) +{ + return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI); +} + +static struct mxc_usbh_platform_data otg_pdata __initdata = { + .init = mx27_3ds_otg_init, + .portsc = MXC_EHCI_MODE_ULPI, +}; + +static const struct fsl_usb2_platform_data otg_device_pdata __initconst = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_ULPI, +}; + +static int otg_mode_host; + +static int __init mx27_3ds_otg_mode(char *options) +{ + if (!strcmp(options, "host")) + otg_mode_host = 1; + else if (!strcmp(options, "device")) + otg_mode_host = 0; + else + pr_info("otg_mode neither \"host\" nor \"device\". " + "Defaulting to device\n"); + return 0; +} +__setup("otg_mode=", mx27_3ds_otg_mode); + +/* Regulators */ +static struct regulator_consumer_supply vmmc1_consumers[] = { + REGULATOR_SUPPLY("lcd_2v8", NULL), +}; + +static struct regulator_init_data vmmc1_init = { + .constraints = { + .min_uV = 2800000, + .max_uV = 2800000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + }, + .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers), + .consumer_supplies = vmmc1_consumers, +}; + +static struct regulator_consumer_supply vgen_consumers[] = { + REGULATOR_SUPPLY("vdd_lcdio", NULL), +}; + +static struct regulator_init_data vgen_init = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + }, + .num_consumer_supplies = ARRAY_SIZE(vgen_consumers), + .consumer_supplies = vgen_consumers, +}; + +static struct mc13xxx_regulator_init_data mx27_3ds_regulators[] = { + { + .id = MC13783_REG_VMMC1, + .init_data = &vmmc1_init, + }, { + .id = MC13783_REG_VGEN, + .init_data = &vgen_init, + }, +}; + +/* MC13783 */ +static struct mc13xxx_platform_data mc13783_pdata __initdata = { + .regulators = mx27_3ds_regulators, + .num_regulators = ARRAY_SIZE(mx27_3ds_regulators), + .flags = MC13XXX_USE_REGULATOR, +}; + +/* SPI */ +static int spi2_internal_chipselect[] = {SPI2_SS0}; + +static const struct spi_imx_master spi2_pdata __initconst = { + .chipselect = spi2_internal_chipselect, + .num_chipselect = ARRAY_SIZE(spi2_internal_chipselect), +}; + +static struct spi_board_info mx27_3ds_spi_devs[] __initdata = { + { + .modalias = "mc13783", + .max_speed_hz = 1000000, + .bus_num = 1, + .chip_select = 0, /* SS0 */ + .platform_data = &mc13783_pdata, + .irq = IRQ_GPIOC(14), + .mode = SPI_CS_HIGH, + }, +}; + +static const struct imxi2c_platform_data mx27_3ds_i2c0_data __initconst = { + .bitrate = 100000, +}; + static void __init mx27pdk_init(void) { mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins), @@ -128,8 +269,29 @@ static void __init mx27pdk_init(void) mx27_3ds_sdhc1_enable_level_translator(); imx27_add_imx_uart0(&uart_pdata); imx27_add_fec(NULL); - mxc_register_device(&imx_kpp_device, &mx27_3ds_keymap_data); - mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata); + imx27_add_imx_keypad(&mx27_3ds_keymap_data); + imx27_add_mxc_mmc(0, &sdhc1_pdata); + imx27_add_imx2_wdt(NULL); + otg_phy_init(); + + if (otg_mode_host) { + otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | + ULPI_OTG_DRVVBUS_EXT); + + if (otg_pdata.otg) + imx27_add_mxc_ehci_otg(&otg_pdata); + } + + if (!otg_mode_host) + imx27_add_fsl_usb2_udc(&otg_device_pdata); + + imx27_add_spi_imx1(&spi2_pdata); + spi_register_board_info(mx27_3ds_spi_devs, + ARRAY_SIZE(mx27_3ds_spi_devs)); + + if (mxc_expio_init(MX27_CS5_BASE_ADDR, EXPIO_PARENT_INT)) + pr_warn("Init of the debugboard failed, all devices on the debugboard are unusable.\n"); + imx27_add_imx_i2c(0, &mx27_3ds_i2c0_data); } static void __init mx27pdk_timer_init(void) @@ -143,9 +305,10 @@ static struct sys_timer mx27pdk_timer = { MACHINE_START(MX27_3DS, "Freescale MX27PDK") /* maintainer: Freescale Semiconductor, Inc. */ - .boot_params = MX27_PHYS_OFFSET + 0x100, - .map_io = mx27_map_io, - .init_irq = mx27_init_irq, - .init_machine = mx27pdk_init, - .timer = &mx27pdk_timer, + .boot_params = MX27_PHYS_OFFSET + 0x100, + .map_io = mx27_map_io, + .init_early = imx27_init_early, + .init_irq = mx27_init_irq, + .timer = &mx27pdk_timer, + .init_machine = mx27pdk_init, MACHINE_END |