mirror of https://gitee.com/openkylin/linux.git
i.MX25: add cpuimx25 module and its baseboard
* cpuimx25 integrates i.MX25, RAM, NAND, Ethernet, I2C RTC, USB Host and USB OTG * mbimxsd provides access to LCD, Audio, LED, Switch button, UART ... Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Eric Bénard
Sascha Hauer
parent
8402ed30e1
commit
6f1fa706fc
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@ -5,4 +5,22 @@ comment "MX25 platforms:"
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config MACH_MX25_3DS
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bool "Support MX25PDK (3DS) Platform"
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config MACH_EUKREA_CPUIMX25
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bool "Support Eukrea CPUIMX25 Platform"
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select MXC_ULPI if USB_ULPI
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choice
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prompt "Baseboard"
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depends on MACH_EUKREA_CPUIMX25
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default MACH_EUKREA_MBIMXSD_BASEBOARD
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config MACH_EUKREA_MBIMXSD_BASEBOARD
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prompt "Eukrea MBIMXSD development board"
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bool
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help
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This adds board specific devices that can be found on Eukrea's
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MBIMXSD evaluation board.
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endchoice
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endif
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@ -1,3 +1,5 @@
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obj-y := mm.o devices.o
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obj-$(CONFIG_ARCH_MX25) += clock.o
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obj-$(CONFIG_MACH_MX25_3DS) += mach-mx25pdk.o
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obj-$(CONFIG_MACH_EUKREA_CPUIMX25) += mach-cpuimx25.o
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obj-$(CONFIG_MACH_EUKREA_MBIMXSD_BASEBOARD) += eukrea_mbimxsd-baseboard.o
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@ -0,0 +1,260 @@
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/*
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* Copyright (C) 2010 Eric Benard - eric@eukrea.com
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*
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* Based on pcm970-baseboard.c which is :
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* Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <linux/gpio.h>
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#include <linux/leds.h>
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#include <linux/platform_device.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <video/platform_lcd.h>
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#include <mach/board-eukrea_cpuimx25.h>
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#include <mach/hardware.h>
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#include <mach/iomux-mx25.h>
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#include <mach/common.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/mx25.h>
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#include <mach/imx-uart.h>
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#include <mach/imxfb.h>
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#include <mach/ssi.h>
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#include <mach/audmux.h>
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#include "devices.h"
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static struct pad_desc eukrea_mbimxsd_pads[] = {
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/* LCD */
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MX25_PAD_LD0__LD0,
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MX25_PAD_LD1__LD1,
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MX25_PAD_LD2__LD2,
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MX25_PAD_LD3__LD3,
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MX25_PAD_LD4__LD4,
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MX25_PAD_LD5__LD5,
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MX25_PAD_LD6__LD6,
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MX25_PAD_LD7__LD7,
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MX25_PAD_LD8__LD8,
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MX25_PAD_LD9__LD9,
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MX25_PAD_LD10__LD10,
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MX25_PAD_LD11__LD11,
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MX25_PAD_LD12__LD12,
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MX25_PAD_LD13__LD13,
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MX25_PAD_LD14__LD14,
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MX25_PAD_LD15__LD15,
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MX25_PAD_GPIO_E__LD16,
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MX25_PAD_GPIO_F__LD17,
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MX25_PAD_HSYNC__HSYNC,
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MX25_PAD_VSYNC__VSYNC,
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MX25_PAD_LSCLK__LSCLK,
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MX25_PAD_OE_ACD__OE_ACD,
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MX25_PAD_CONTRAST__CONTRAST,
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/* LCD_PWR */
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MX25_PAD_PWM__GPIO_1_26,
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/* LED */
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MX25_PAD_POWER_FAIL__GPIO_3_19,
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/* SWITCH */
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MX25_PAD_VSTBY_ACK__GPIO_3_18,
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/* UART2 */
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MX25_PAD_UART2_RTS__UART2_RTS,
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MX25_PAD_UART2_CTS__UART2_CTS,
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MX25_PAD_UART2_TXD__UART2_TXD,
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MX25_PAD_UART2_RXD__UART2_RXD,
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/* SD1 */
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MX25_PAD_SD1_CMD__SD1_CMD,
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MX25_PAD_SD1_CLK__SD1_CLK,
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MX25_PAD_SD1_DATA0__SD1_DATA0,
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MX25_PAD_SD1_DATA1__SD1_DATA1,
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MX25_PAD_SD1_DATA2__SD1_DATA2,
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MX25_PAD_SD1_DATA3__SD1_DATA3,
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/* SD1 CD */
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MX25_PAD_DE_B__GPIO_2_20,
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/* I2S */
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MX25_PAD_KPP_COL3__AUD5_TXFS,
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MX25_PAD_KPP_COL2__AUD5_TXC,
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MX25_PAD_KPP_COL1__AUD5_RXD,
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MX25_PAD_KPP_COL0__AUD5_TXD,
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};
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#define GPIO_LED1 83
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#define GPIO_SWITCH1 82
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#define GPIO_SD1CD 52
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#define GPIO_LCDPWR 26
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static struct imx_fb_videomode eukrea_mximxsd_modes[] = {
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{
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.mode = {
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.name = "CMO-QVGA",
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.refresh = 60,
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.xres = 320,
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.yres = 240,
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.pixclock = KHZ2PICOS(6500),
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.left_margin = 30,
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.right_margin = 38,
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.upper_margin = 20,
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.lower_margin = 3,
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.hsync_len = 15,
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.vsync_len = 4,
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},
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.bpp = 16,
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.pcr = 0xCAD08B80,
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},
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};
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static struct imx_fb_platform_data eukrea_mximxsd_fb_pdata = {
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.mode = eukrea_mximxsd_modes,
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.num_modes = ARRAY_SIZE(eukrea_mximxsd_modes),
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.pwmr = 0x00A903FF,
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.lscr1 = 0x00120300,
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.dmacr = 0x00040060,
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};
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static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
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unsigned int power)
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{
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if (power)
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gpio_direction_output(GPIO_LCDPWR, 1);
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else
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gpio_direction_output(GPIO_LCDPWR, 0);
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}
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static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
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.set_power = eukrea_mbimxsd_lcd_power_set,
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};
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static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
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.name = "platform-lcd",
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.dev.platform_data = &eukrea_mbimxsd_lcd_power_data,
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};
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static struct gpio_led eukrea_mbimxsd_leds[] = {
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{
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.name = "led1",
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.default_trigger = "heartbeat",
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.active_low = 1,
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.gpio = GPIO_LED1,
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},
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};
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static struct gpio_led_platform_data eukrea_mbimxsd_led_info = {
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.leds = eukrea_mbimxsd_leds,
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.num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds),
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};
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static struct platform_device eukrea_mbimxsd_leds_gpio = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &eukrea_mbimxsd_led_info,
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},
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};
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static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
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{
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.gpio = GPIO_SWITCH1,
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.code = BTN_0,
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.desc = "BP1",
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.active_low = 1,
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.wakeup = 1,
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},
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};
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static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = {
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.buttons = eukrea_mbimxsd_gpio_buttons,
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.nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
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};
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static struct platform_device eukrea_mbimxsd_button_device = {
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.name = "gpio-keys",
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.id = -1,
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.num_resources = 0,
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.dev = {
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.platform_data = &eukrea_mbimxsd_button_data,
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}
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};
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static struct platform_device *platform_devices[] __initdata = {
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&eukrea_mbimxsd_leds_gpio,
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&eukrea_mbimxsd_button_device,
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&eukrea_mbimxsd_lcd_powerdev,
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};
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static struct imxuart_platform_data uart_pdata = {
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.flags = IMXUART_HAVE_RTSCTS,
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};
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static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
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{
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I2C_BOARD_INFO("tlv320aic23", 0x1a),
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},
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};
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struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata = {
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.flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
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};
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/*
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* system init for baseboard usage. Will be called by cpuimx25 init.
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*
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* Add platform devices present on this baseboard and init
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* them from CPU side as far as required to use them later on
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*/
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void __init eukrea_mbimxsd_baseboard_init(void)
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{
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if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
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ARRAY_SIZE(eukrea_mbimxsd_pads)))
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printk(KERN_ERR "error setting mbimxsd pads !\n");
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#if defined(CONFIG_SND_SOC_EUKREA_TLV320)
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/* SSI unit master I2S codec connected to SSI_AUD5*/
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mxc_audmux_v2_configure_port(0,
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MXC_AUDMUX_V2_PTCR_SYN |
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MXC_AUDMUX_V2_PTCR_TFSDIR |
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MXC_AUDMUX_V2_PTCR_TFSEL(4) |
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MXC_AUDMUX_V2_PTCR_TCLKDIR |
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MXC_AUDMUX_V2_PTCR_TCSEL(4),
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MXC_AUDMUX_V2_PDCR_RXDSEL(4)
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);
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mxc_audmux_v2_configure_port(4,
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MXC_AUDMUX_V2_PTCR_SYN,
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MXC_AUDMUX_V2_PDCR_RXDSEL(0)
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);
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#endif
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mxc_register_device(&mxc_uart_device1, &uart_pdata);
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mxc_register_device(&mx25_fb_device, &eukrea_mximxsd_fb_pdata);
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mxc_register_device(&imx_ssi_device0, &eukrea_mbimxsd_ssi_pdata);
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gpio_request(GPIO_LED1, "LED1");
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gpio_direction_output(GPIO_LED1, 1);
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gpio_free(GPIO_LED1);
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gpio_request(GPIO_SWITCH1, "SWITCH1");
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gpio_direction_input(GPIO_SWITCH1);
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gpio_free(GPIO_SWITCH1);
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gpio_request(GPIO_LCDPWR, "LCDPWR");
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gpio_direction_output(GPIO_LCDPWR, 1);
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gpio_free(GPIO_SWITCH1);
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i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
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ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
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platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
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}
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@ -0,0 +1,172 @@
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/*
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* Copyright 2009 Sascha Hauer, <kernel@pengutronix.de>
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* Copyright 2010 Eric Bénard - Eukréa Electromatique, <eric@eukrea.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, 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/delay.h>
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#include <linux/clk.h>
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#include <linux/irq.h>
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#include <linux/gpio.h>
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#include <linux/fec.h>
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#include <linux/platform_device.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/fsl_devices.h>
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#include <mach/board-eukrea_cpuimx25.h>
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#include <mach/hardware.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/memory.h>
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#include <asm/mach/map.h>
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#include <mach/common.h>
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#include <mach/imx-uart.h>
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#include <mach/i2c.h>
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#include <mach/mx25.h>
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#include <mach/mxc_nand.h>
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#include <mach/imxfb.h>
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#include <mach/mxc_ehci.h>
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#include <mach/ulpi.h>
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#include "devices.h"
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#include <mach/iomux-mx25.h>
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static struct imxuart_platform_data uart_pdata = {
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.flags = IMXUART_HAVE_RTSCTS,
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};
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static struct pad_desc eukrea_cpuimx25_pads[] = {
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/* FEC - RMII */
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MX25_PAD_FEC_MDC__FEC_MDC,
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MX25_PAD_FEC_MDIO__FEC_MDIO,
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MX25_PAD_FEC_TDATA0__FEC_TDATA0,
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MX25_PAD_FEC_TDATA1__FEC_TDATA1,
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MX25_PAD_FEC_TX_EN__FEC_TX_EN,
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MX25_PAD_FEC_RDATA0__FEC_RDATA0,
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MX25_PAD_FEC_RDATA1__FEC_RDATA1,
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MX25_PAD_FEC_RX_DV__FEC_RX_DV,
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MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
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/* I2C1 */
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MX25_PAD_I2C1_CLK__I2C1_CLK,
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MX25_PAD_I2C1_DAT__I2C1_DAT,
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};
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static struct fec_platform_data mx25_fec_pdata = {
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.phy = PHY_INTERFACE_MODE_RMII,
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};
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static struct mxc_nand_platform_data eukrea_cpuimx25_nand_board_info = {
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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 struct imxi2c_platform_data eukrea_cpuimx25_i2c_1_data = {
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.bitrate = 100000,
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};
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static struct i2c_board_info eukrea_cpuimx25_i2c_devices[] = {
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{
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I2C_BOARD_INFO("pcf8563", 0x51),
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},
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};
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static struct mxc_usbh_platform_data otg_pdata = {
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.portsc = MXC_EHCI_MODE_UTMI,
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.flags = MXC_EHCI_INTERFACE_DIFF_UNI,
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};
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static struct mxc_usbh_platform_data usbh2_pdata = {
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.portsc = MXC_EHCI_MODE_SERIAL,
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.flags = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY |
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MXC_EHCI_IPPUE_DOWN,
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};
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static struct fsl_usb2_platform_data otg_device_pdata = {
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.operating_mode = FSL_USB2_DR_DEVICE,
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.phy_mode = FSL_USB2_PHY_UTMI,
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};
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static int otg_mode_host;
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static int __init eukrea_cpuimx25_otg_mode(char *options)
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{
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if (!strcmp(options, "host"))
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otg_mode_host = 1;
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else if (!strcmp(options, "device"))
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otg_mode_host = 0;
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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 0;
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}
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__setup("otg_mode=", eukrea_cpuimx25_otg_mode);
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static void __init eukrea_cpuimx25_init(void)
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{
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if (mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx25_pads,
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ARRAY_SIZE(eukrea_cpuimx25_pads)))
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printk(KERN_ERR "error setting cpuimx25 pads !\n");
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mxc_register_device(&mxc_uart_device0, &uart_pdata);
|
||||
mxc_register_device(&mxc_nand_device, &eukrea_cpuimx25_nand_board_info);
|
||||
mxc_register_device(&mx25_rtc_device, NULL);
|
||||
mxc_register_device(&mx25_fec_device, &mx25_fec_pdata);
|
||||
|
||||
i2c_register_board_info(0, eukrea_cpuimx25_i2c_devices,
|
||||
ARRAY_SIZE(eukrea_cpuimx25_i2c_devices));
|
||||
mxc_register_device(&mxc_i2c_device0, &eukrea_cpuimx25_i2c_1_data);
|
||||
|
||||
#if defined(CONFIG_USB_ULPI)
|
||||
if (otg_mode_host) {
|
||||
otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
|
||||
USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
|
||||
|
||||
mxc_register_device(&mxc_otg, &otg_pdata);
|
||||
}
|
||||
mxc_register_device(&mxc_usbh2, &usbh2_pdata);
|
||||
#endif
|
||||
if (!otg_mode_host)
|
||||
mxc_register_device(&otg_udc_device, &otg_device_pdata);
|
||||
|
||||
#ifdef CONFIG_MACH_EUKREA_MBIMXSD_BASEBOARD
|
||||
eukrea_mbimxsd_baseboard_init();
|
||||
#endif
|
||||
}
|
||||
|
||||
static void __init eukrea_cpuimx25_timer_init(void)
|
||||
{
|
||||
mx25_clocks_init();
|
||||
}
|
||||
|
||||
static struct sys_timer eukrea_cpuimx25_timer = {
|
||||
.init = eukrea_cpuimx25_timer_init,
|
||||
};
|
||||
|
||||
MACHINE_START(EUKREA_CPUIMX25, "Eukrea CPUIMX25")
|
||||
/* Maintainer: Eukrea Electromatique */
|
||||
.phys_io = MX25_AIPS1_BASE_ADDR,
|
||||
.io_pg_offst = ((MX25_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
|
||||
.boot_params = MX25_PHYS_OFFSET + 0x100,
|
||||
.map_io = mx25_map_io,
|
||||
.init_irq = mx25_init_irq,
|
||||
.init_machine = eukrea_cpuimx25_init,
|
||||
.timer = &eukrea_cpuimx25_timer,
|
||||
MACHINE_END
|
||||
|
|
@ -0,0 +1,40 @@
|
|||
/*
|
||||
* Copyright (C) 2010 Eric Benard - eric@eukrea.com
|
||||
*
|
||||
* Based on board-pcm038.h which is :
|
||||
* Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef __ASM_ARCH_MXC_BOARD_EUKREA_CPUIMX25_H__
|
||||
#define __ASM_ARCH_MXC_BOARD_EUKREA_CPUIMX25_H__
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
/*
|
||||
* This CPU module needs a baseboard to work. After basic initializing
|
||||
* its own devices, it calls baseboard's init function.
|
||||
* TODO: Add your own baseboard init function and call it from
|
||||
* inside eukrea_cpuimx25_init().
|
||||
*
|
||||
* This example here is for the development board. Refer
|
||||
* eukrea_mbimx25-baseboard.c
|
||||
*/
|
||||
|
||||
extern void eukrea_mbimxsd_baseboard_init(void);
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* __ASM_ARCH_MXC_BOARD_EUKREA_CPUIMX25_H__ */
|
||||
Loading…
Reference in New Issue