/* * mach-imx27_visstrim_m10.c * * Copyright 2010 Javier Martin * * Based on mach-pcm038.c, mach-pca100.c, mach-mx27ads.c and others. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301, USA. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "devices-imx27.h" #include "devices.h" #define OTG_PHY_CS_GPIO (GPIO_PORTF + 17) #define SDHC1_IRQ IRQ_GPIOB(25) static int visstrim_m10_pins[] = { /* UART1 (console) */ PE12_PF_UART1_TXD, PE13_PF_UART1_RXD, PE14_PF_UART1_CTS, PE15_PF_UART1_RTS, /* FEC */ PD0_AIN_FEC_TXD0, PD1_AIN_FEC_TXD1, PD2_AIN_FEC_TXD2, PD3_AIN_FEC_TXD3, PD4_AOUT_FEC_RX_ER, PD5_AOUT_FEC_RXD1, PD6_AOUT_FEC_RXD2, PD7_AOUT_FEC_RXD3, PD8_AF_FEC_MDIO, PD9_AIN_FEC_MDC, PD10_AOUT_FEC_CRS, PD11_AOUT_FEC_TX_CLK, PD12_AOUT_FEC_RXD0, PD13_AOUT_FEC_RX_DV, PD14_AOUT_FEC_RX_CLK, PD15_AOUT_FEC_COL, PD16_AIN_FEC_TX_ER, PF23_AIN_FEC_TX_EN, /* SDHC1 */ PE18_PF_SD1_D0, PE19_PF_SD1_D1, PE20_PF_SD1_D2, PE21_PF_SD1_D3, PE22_PF_SD1_CMD, PE23_PF_SD1_CLK, /* Both I2Cs */ PD17_PF_I2C_DATA, PD18_PF_I2C_CLK, PC5_PF_I2C2_SDA, PC6_PF_I2C2_SCL, /* USB OTG */ OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT, PC9_PF_USBOTG_DATA0, PC11_PF_USBOTG_DATA1, PC10_PF_USBOTG_DATA2, PC13_PF_USBOTG_DATA3, PC12_PF_USBOTG_DATA4, PC7_PF_USBOTG_DATA5, PC8_PF_USBOTG_DATA6, PE25_PF_USBOTG_DATA7, PE24_PF_USBOTG_CLK, PE2_PF_USBOTG_DIR, PE0_PF_USBOTG_NXT, PE1_PF_USBOTG_STP, PB23_PF_USB_PWR, PB24_PF_USB_OC, }; /* GPIOs used as events for applications */ static struct gpio_keys_button visstrim_gpio_keys[] = { { .type = EV_KEY, .code = KEY_RESTART, .gpio = (GPIO_PORTC + 15), .desc = "Default config", .active_low = 0, .wakeup = 1, }, { .type = EV_KEY, .code = KEY_RECORD, .gpio = (GPIO_PORTF + 14), .desc = "Record", .active_low = 0, .wakeup = 1, }, { .type = EV_KEY, .code = KEY_STOP, .gpio = (GPIO_PORTF + 13), .desc = "Stop", .active_low = 0, .wakeup = 1, } }; static struct gpio_keys_platform_data visstrim_gpio_keys_platform_data = { .buttons = visstrim_gpio_keys, .nbuttons = ARRAY_SIZE(visstrim_gpio_keys), }; static struct platform_device visstrim_gpio_keys_device = { .name = "gpio-keys", .id = -1, .dev = { .platform_data = &visstrim_gpio_keys_platform_data, }, }; /* Visstrim_SM10 has a microSD slot connected to sdhc1 */ static int visstrim_m10_sdhc1_init(struct device *dev, irq_handler_t detect_irq, void *data) { int ret; ret = request_irq(SDHC1_IRQ, detect_irq, IRQF_TRIGGER_FALLING, "mmc-detect", data); return ret; } static void visstrim_m10_sdhc1_exit(struct device *dev, void *data) { free_irq(SDHC1_IRQ, data); } static struct imxmmc_platform_data visstrim_m10_sdhc_pdata = { .init = visstrim_m10_sdhc1_init, .exit = visstrim_m10_sdhc1_exit, }; /* Visstrim_SM10 NOR flash */ static struct physmap_flash_data visstrim_m10_flash_data = { .width = 2, }; static struct resource visstrim_m10_flash_resource = { .start = 0xc0000000, .end = 0xc0000000 + SZ_64M - 1, .flags = IORESOURCE_MEM, }; static struct platform_device visstrim_m10_nor_mtd_device = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &visstrim_m10_flash_data, }, .num_resources = 1, .resource = &visstrim_m10_flash_resource, }; static struct platform_device *platform_devices[] __initdata = { &visstrim_gpio_keys_device, &visstrim_m10_nor_mtd_device, &mxc_fec_device, }; /* Visstrim_M10 uses UART0 as console */ static const struct imxuart_platform_data uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; /* I2C */ static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = { .bitrate = 100000, }; static struct pca953x_platform_data visstrim_m10_pca9555_pdata = { .gpio_base = 240, /* After MX27 internal GPIOs */ .invert = 0, }; static struct i2c_board_info visstrim_m10_i2c_devices[] = { { I2C_BOARD_INFO("pca9555", 0x20), .platform_data = &visstrim_m10_pca9555_pdata, }, }; /* USB OTG */ static int otg_phy_init(struct platform_device *pdev) { gpio_set_value(OTG_PHY_CS_GPIO, 0); return 0; } static struct mxc_usbh_platform_data visstrim_m10_usbotg_pdata = { .init = otg_phy_init, .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, .flags = MXC_EHCI_POWER_PINS_ENABLED, }; static void __init visstrim_m10_board_init(void) { int ret; ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins, ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10"); if (ret) pr_err("Failed to setup pins (%d)\n", ret); imx27_add_imx_uart0(&uart_pdata); i2c_register_board_info(0, visstrim_m10_i2c_devices, ARRAY_SIZE(visstrim_m10_i2c_devices)); imx27_add_imx_i2c(0, &visstrim_m10_i2c_data); imx27_add_imx_i2c(1, &visstrim_m10_i2c_data); mxc_register_device(&mxc_sdhc_device0, &visstrim_m10_sdhc_pdata); mxc_register_device(&mxc_otg_host, &visstrim_m10_usbotg_pdata); platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); } static void __init visstrim_m10_timer_init(void) { mx27_clocks_init((unsigned long)25000000); } static struct sys_timer visstrim_m10_timer = { .init = visstrim_m10_timer_init, }; MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10") .phys_io = MX27_AIPI_BASE_ADDR, .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, .boot_params = MX27_PHYS_OFFSET + 0x100, .map_io = mx27_map_io, .init_irq = mx27_init_irq, .init_machine = visstrim_m10_board_init, .timer = &visstrim_m10_timer, MACHINE_END