diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-cpuimx35.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-cpuimx35.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-cpuimx35.c b/arch/arm/mach-imx/mach-cpuimx35.c new file mode 100644 index 000000000..922ffd6ca --- /dev/null +++ b/arch/arm/mach-imx/mach-cpuimx35.c @@ -0,0 +1,206 @@ +/* + * Copyright (C) 2010 Eric Benard - eric@eukrea.com + * Copyright (C) 2009 Sascha Hauer, Pengutronix + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <linux/init.h> + +#include <linux/platform_device.h> +#include <linux/mtd/physmap.h> +#include <linux/memory.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/i2c/tsc2007.h> +#include <linux/usb/otg.h> +#include <linux/usb/ulpi.h> +#include <linux/i2c-gpio.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <asm/mach/map.h> + +#include "common.h" +#include "devices-imx35.h" +#include "ehci.h" +#include "eukrea-baseboards.h" +#include "hardware.h" +#include "iomux-mx35.h" + +static const struct imxuart_platform_data uart_pdata __initconst = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static const struct imxi2c_platform_data + eukrea_cpuimx35_i2c0_data __initconst = { + .bitrate = 100000, +}; + +#define TSC2007_IRQGPIO IMX_GPIO_NR(3, 2) +static int tsc2007_get_pendown_state(struct device *dev) +{ + return !gpio_get_value(TSC2007_IRQGPIO); +} + +static struct tsc2007_platform_data tsc2007_info = { + .model = 2007, + .x_plate_ohms = 180, + .get_pendown_state = tsc2007_get_pendown_state, +}; + +static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = { + { + I2C_BOARD_INFO("pcf8563", 0x51), + }, { + I2C_BOARD_INFO("tsc2007", 0x48), + .platform_data = &tsc2007_info, + /* irq number is run-time assigned */ + }, +}; + +static const iomux_v3_cfg_t eukrea_cpuimx35_pads[] __initconst = { + /* UART1 */ + MX35_PAD_CTS1__UART1_CTS, + MX35_PAD_RTS1__UART1_RTS, + MX35_PAD_TXD1__UART1_TXD_MUX, + MX35_PAD_RXD1__UART1_RXD_MUX, + /* FEC */ + MX35_PAD_FEC_TX_CLK__FEC_TX_CLK, + MX35_PAD_FEC_RX_CLK__FEC_RX_CLK, + MX35_PAD_FEC_RX_DV__FEC_RX_DV, + MX35_PAD_FEC_COL__FEC_COL, + MX35_PAD_FEC_RDATA0__FEC_RDATA_0, + MX35_PAD_FEC_TDATA0__FEC_TDATA_0, + MX35_PAD_FEC_TX_EN__FEC_TX_EN, + MX35_PAD_FEC_MDC__FEC_MDC, + MX35_PAD_FEC_MDIO__FEC_MDIO, + MX35_PAD_FEC_TX_ERR__FEC_TX_ERR, + MX35_PAD_FEC_RX_ERR__FEC_RX_ERR, + MX35_PAD_FEC_CRS__FEC_CRS, + MX35_PAD_FEC_RDATA1__FEC_RDATA_1, + MX35_PAD_FEC_TDATA1__FEC_TDATA_1, + MX35_PAD_FEC_RDATA2__FEC_RDATA_2, + MX35_PAD_FEC_TDATA2__FEC_TDATA_2, + MX35_PAD_FEC_RDATA3__FEC_RDATA_3, + MX35_PAD_FEC_TDATA3__FEC_TDATA_3, + /* I2C1 */ + MX35_PAD_I2C1_CLK__I2C1_SCL, + MX35_PAD_I2C1_DAT__I2C1_SDA, + /* TSC2007 IRQ */ + MX35_PAD_ATA_DA2__GPIO3_2, +}; + +static const struct mxc_nand_platform_data + eukrea_cpuimx35_nand_board_info __initconst = { + .width = 1, + .hw_ecc = 1, + .flash_bbt = 1, +}; + +static int eukrea_cpuimx35_otg_init(struct platform_device *pdev) +{ + return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI); +} + +static const struct mxc_usbh_platform_data otg_pdata __initconst = { + .init = eukrea_cpuimx35_otg_init, + .portsc = MXC_EHCI_MODE_UTMI, +}; + +static int eukrea_cpuimx35_usbh1_init(struct platform_device *pdev) +{ + return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI | + MXC_EHCI_INTERNAL_PHY | MXC_EHCI_IPPUE_DOWN); +} + +static const struct mxc_usbh_platform_data usbh1_pdata __initconst = { + .init = eukrea_cpuimx35_usbh1_init, + .portsc = MXC_EHCI_MODE_SERIAL, +}; + +static const struct fsl_usb2_platform_data otg_device_pdata __initconst = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_UTMI, + .workaround = FLS_USB2_WORKAROUND_ENGCM09152, +}; + +static bool otg_mode_host __initdata; + +static int __init eukrea_cpuimx35_otg_mode(char *options) +{ + if (!strcmp(options, "host")) + otg_mode_host = true; + else if (!strcmp(options, "device")) + otg_mode_host = false; + else + pr_info("otg_mode neither \"host\" nor \"device\". " + "Defaulting to device\n"); + return 1; +} +__setup("otg_mode=", eukrea_cpuimx35_otg_mode); + +/* + * Board specific initialization. + */ +static void __init eukrea_cpuimx35_init(void) +{ + imx35_soc_init(); + + mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx35_pads, + ARRAY_SIZE(eukrea_cpuimx35_pads)); + + imx35_add_fec(NULL); + imx35_add_imx2_wdt(); + + imx35_add_imx_uart0(&uart_pdata); + imx35_add_mxc_nand(&eukrea_cpuimx35_nand_board_info); + + eukrea_cpuimx35_i2c_devices[1].irq = gpio_to_irq(TSC2007_IRQGPIO); + i2c_register_board_info(0, eukrea_cpuimx35_i2c_devices, + ARRAY_SIZE(eukrea_cpuimx35_i2c_devices)); + imx35_add_imx_i2c0(&eukrea_cpuimx35_i2c0_data); + + if (otg_mode_host) + imx35_add_mxc_ehci_otg(&otg_pdata); + else + imx35_add_fsl_usb2_udc(&otg_device_pdata); + + imx35_add_mxc_ehci_hs(&usbh1_pdata); + +#ifdef CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD + eukrea_mbimxsd35_baseboard_init(); +#endif +} + +static void __init eukrea_cpuimx35_timer_init(void) +{ + mx35_clocks_init(); +} + +MACHINE_START(EUKREA_CPUIMX35SD, "Eukrea CPUIMX35") + /* Maintainer: Eukrea Electromatique */ + .atag_offset = 0x100, + .map_io = mx35_map_io, + .init_early = imx35_init_early, + .init_irq = mx35_init_irq, + .init_time = eukrea_cpuimx35_timer_init, + .init_machine = eukrea_cpuimx35_init, + .restart = mxc_restart, +MACHINE_END |