207 строки
5.5 KiB
C
207 строки
5.5 KiB
C
/*
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* Copyright (C) 2010 Eric Benard - eric@eukrea.com
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* Copyright (C) 2009 Sascha Hauer, Pengutronix
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/physmap.h>
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#include <linux/memory.h>
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#include <linux/gpio.h>
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#include <linux/interrupt.h>
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#include <linux/delay.h>
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#include <linux/i2c.h>
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#include <linux/i2c/tsc2007.h>
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#include <linux/usb/otg.h>
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#include <linux/usb/ulpi.h>
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#include <linux/i2c-gpio.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <asm/mach/map.h>
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#include "common.h"
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#include "devices-imx35.h"
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#include "eukrea-baseboards.h"
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#include "hardware.h"
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#include "iomux-mx35.h"
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static const struct imxuart_platform_data uart_pdata __initconst = {
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.flags = IMXUART_HAVE_RTSCTS,
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};
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static const struct imxi2c_platform_data
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eukrea_cpuimx35_i2c0_data __initconst = {
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.bitrate = 100000,
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};
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#define TSC2007_IRQGPIO IMX_GPIO_NR(3, 2)
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static int tsc2007_get_pendown_state(struct device *dev)
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{
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return !gpio_get_value(TSC2007_IRQGPIO);
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}
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static struct tsc2007_platform_data tsc2007_info = {
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.model = 2007,
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.x_plate_ohms = 180,
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.get_pendown_state = tsc2007_get_pendown_state,
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};
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static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = {
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{
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I2C_BOARD_INFO("pcf8563", 0x51),
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}, {
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I2C_BOARD_INFO("tsc2007", 0x48),
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.platform_data = &tsc2007_info,
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/* irq number is run-time assigned */
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},
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};
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static iomux_v3_cfg_t eukrea_cpuimx35_pads[] = {
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/* UART1 */
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MX35_PAD_CTS1__UART1_CTS,
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MX35_PAD_RTS1__UART1_RTS,
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MX35_PAD_TXD1__UART1_TXD_MUX,
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MX35_PAD_RXD1__UART1_RXD_MUX,
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/* FEC */
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MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
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MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
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MX35_PAD_FEC_RX_DV__FEC_RX_DV,
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MX35_PAD_FEC_COL__FEC_COL,
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MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
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MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
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MX35_PAD_FEC_TX_EN__FEC_TX_EN,
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MX35_PAD_FEC_MDC__FEC_MDC,
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MX35_PAD_FEC_MDIO__FEC_MDIO,
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MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
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MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
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MX35_PAD_FEC_CRS__FEC_CRS,
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MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
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MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
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MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
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MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
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MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
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MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
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/* I2C1 */
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MX35_PAD_I2C1_CLK__I2C1_SCL,
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MX35_PAD_I2C1_DAT__I2C1_SDA,
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/* TSC2007 IRQ */
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MX35_PAD_ATA_DA2__GPIO3_2,
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};
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static const struct mxc_nand_platform_data
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eukrea_cpuimx35_nand_board_info __initconst = {
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.width = 1,
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.hw_ecc = 1,
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.flash_bbt = 1,
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};
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static int eukrea_cpuimx35_otg_init(struct platform_device *pdev)
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{
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return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
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}
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static const struct mxc_usbh_platform_data otg_pdata __initconst = {
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.init = eukrea_cpuimx35_otg_init,
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.portsc = MXC_EHCI_MODE_UTMI,
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};
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static int eukrea_cpuimx35_usbh1_init(struct platform_device *pdev)
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{
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return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
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MXC_EHCI_INTERNAL_PHY | MXC_EHCI_IPPUE_DOWN);
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}
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static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
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.init = eukrea_cpuimx35_usbh1_init,
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.portsc = MXC_EHCI_MODE_SERIAL,
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};
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static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
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.operating_mode = FSL_USB2_DR_DEVICE,
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.phy_mode = FSL_USB2_PHY_UTMI,
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.workaround = FLS_USB2_WORKAROUND_ENGCM09152,
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};
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static bool otg_mode_host __initdata;
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static int __init eukrea_cpuimx35_otg_mode(char *options)
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{
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if (!strcmp(options, "host"))
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otg_mode_host = true;
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else if (!strcmp(options, "device"))
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otg_mode_host = false;
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else
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pr_info("otg_mode neither \"host\" nor \"device\". "
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"Defaulting to device\n");
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return 1;
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}
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__setup("otg_mode=", eukrea_cpuimx35_otg_mode);
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/*
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* Board specific initialization.
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*/
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static void __init eukrea_cpuimx35_init(void)
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{
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imx35_soc_init();
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mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx35_pads,
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ARRAY_SIZE(eukrea_cpuimx35_pads));
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imx35_add_fec(NULL);
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imx35_add_imx2_wdt();
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imx35_add_imx_uart0(&uart_pdata);
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imx35_add_mxc_nand(&eukrea_cpuimx35_nand_board_info);
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eukrea_cpuimx35_i2c_devices[1].irq = gpio_to_irq(TSC2007_IRQGPIO);
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i2c_register_board_info(0, eukrea_cpuimx35_i2c_devices,
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ARRAY_SIZE(eukrea_cpuimx35_i2c_devices));
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imx35_add_imx_i2c0(&eukrea_cpuimx35_i2c0_data);
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if (otg_mode_host)
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imx35_add_mxc_ehci_otg(&otg_pdata);
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else
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imx35_add_fsl_usb2_udc(&otg_device_pdata);
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imx35_add_mxc_ehci_hs(&usbh1_pdata);
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#ifdef CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD
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eukrea_mbimxsd35_baseboard_init();
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#endif
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}
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static void __init eukrea_cpuimx35_timer_init(void)
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{
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mx35_clocks_init();
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}
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MACHINE_START(EUKREA_CPUIMX35SD, "Eukrea CPUIMX35")
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/* Maintainer: Eukrea Electromatique */
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.atag_offset = 0x100,
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.map_io = mx35_map_io,
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.init_early = imx35_init_early,
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.init_irq = mx35_init_irq,
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.handle_irq = imx35_handle_irq,
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.init_time = eukrea_cpuimx35_timer_init,
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.init_machine = eukrea_cpuimx35_init,
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.restart = mxc_restart,
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MACHINE_END
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