| /* |
| * 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 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_i2c_imx0(&visstrim_m10_i2c_data); |
| imx27_add_i2c_imx1(&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 |