diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-imx27_visstrim_m10.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-imx27_visstrim_m10.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c new file mode 100644 index 00000000000..59716fab586 --- /dev/null +++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c @@ -0,0 +1,261 @@ +/* + * mach-imx27_visstrim_m10.c + * + * Copyright 2010 Javier Martin <javier.martin@vista-silicon.com> + * + * 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 <linux/platform_device.h> +#include <linux/mtd/physmap.h> +#include <linux/i2c.h> +#include <linux/i2c/pca953x.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <linux/gpio.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <mach/common.h> +#include <mach/mmc.h> +#include <mach/iomux.h> +#include <mach/mxc_ehci.h> + +#include "devices-imx27.h" +#include "devices.h" + +#define OTG_PHY_CS_GPIO (GPIO_PORTF + 17) +#define SDHC1_IRQ IRQ_GPIOB(25) + +static const int visstrim_m10_pins[] __initconst = { + /* 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, +}; + +/* 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); + imx27_add_fec(NULL); + 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") + .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 |