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Commit 21744f19 authored by Eric Bénard's avatar Eric Bénard Committed by Sascha Hauer
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i.MX35: add cpuimx35 support and its baseboard 



* cpuimx35 integrates i.MX35, RAM, NAND, Ethernet, I2C RTC, USB Host,
USB OTG and I2C touchscreen controller
* mbimxsd provides access to LCD, Audio, LED, Switch button, UART ...

Signed-off-by: default avatarEric Bénard <eric@eukrea.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent ac0eb0f3

arch/arm/mach-mx3/Kconfig

+22 −0
Original line number Diff line number Diff line
@@ -125,4 +125,26 @@ config MACH_KZM_ARM11_01 
	  Include support for KZM-ARM11-01. This includes specific

	  configurations for the board and its peripherals.



config MACH_EUKREA_CPUIMX35

	bool "Support Eukrea CPUIMX35 Platform"

	select ARCH_MX35

	select MXC_ULPI if USB_ULPI

	help

	  Include support for Eukrea CPUIMX35 platform. This includes

	  specific configurations for the board and its peripherals.



choice

	prompt "Baseboard"

	depends on MACH_EUKREA_CPUIMX35

	default MACH_EUKREA_MBIMXSD_BASEBOARD



config MACH_EUKREA_MBIMXSD_BASEBOARD

	prompt "Eukrea MBIMXSD development board"

	bool

	help

	  This adds board specific devices that can be found on Eukrea's

	  MBIMXSD evaluation board.



endchoice



endif

arch/arm/mach-mx3/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -24,3 +24,5 @@ obj-$(CONFIG_MACH_PCM043) += mach-pcm043.o 
obj-$(CONFIG_MACH_ARMADILLO5X0) += mach-armadillo5x0.o

obj-$(CONFIG_MACH_MX35_3DS)	+= mach-mx35pdk.o

obj-$(CONFIG_MACH_KZM_ARM11_01)	+= mach-kzm_arm11_01.o

obj-$(CONFIG_MACH_EUKREA_CPUIMX35)	+= mach-cpuimx35.o

obj-$(CONFIG_MACH_EUKREA_MBIMXSD_BASEBOARD)	+= eukrea_mbimxsd-baseboard.o

arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c

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+263 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2010 Eric Benard - eric@eukrea.com

 *

 * Based on pcm970-baseboard.c 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.

 */



#include <linux/types.h>

#include <linux/init.h>



#include <linux/gpio.h>

#include <linux/interrupt.h>

#include <linux/leds.h>

#include <linux/platform_device.h>

#include <linux/gpio_keys.h>

#include <linux/input.h>

#include <video/platform_lcd.h>

#include <linux/i2c.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>

#include <asm/mach/time.h>

#include <asm/mach/map.h>



#include <mach/board-eukrea_cpuimx35.h>

#include <mach/hardware.h>

#include <mach/common.h>

#include <mach/imx-uart.h>

#include <mach/iomux-mx35.h>

#include <mach/ipu.h>

#include <mach/mx3fb.h>

#include <mach/audmux.h>

#include <mach/ssi.h>



#include "devices.h"



static const struct fb_videomode fb_modedb[] = {

	{

		.name		= "CMO_QVGA",

		.refresh	= 60,

		.xres		= 320,

		.yres		= 240,

		.pixclock	= KHZ2PICOS(6500),

		.left_margin	= 68,

		.right_margin	= 20,

		.upper_margin	= 15,

		.lower_margin	= 4,

		.hsync_len	= 30,

		.vsync_len	= 3,

		.sync		= 0,

		.vmode		= FB_VMODE_NONINTERLACED,

		.flag		= 0,

	},

};



static struct ipu_platform_data mx3_ipu_data = {

	.irq_base = MXC_IPU_IRQ_START,

};



static struct mx3fb_platform_data mx3fb_pdata = {

	.dma_dev	= &mx3_ipu.dev,

	.name		= "CMO_QVGA",

	.mode		= fb_modedb,

	.num_modes	= ARRAY_SIZE(fb_modedb),

};



static struct pad_desc eukrea_mbimxsd_pads[] = {

	/* LCD */

	MX35_PAD_LD0__IPU_DISPB_DAT_0,

	MX35_PAD_LD1__IPU_DISPB_DAT_1,

	MX35_PAD_LD2__IPU_DISPB_DAT_2,

	MX35_PAD_LD3__IPU_DISPB_DAT_3,

	MX35_PAD_LD4__IPU_DISPB_DAT_4,

	MX35_PAD_LD5__IPU_DISPB_DAT_5,

	MX35_PAD_LD6__IPU_DISPB_DAT_6,

	MX35_PAD_LD7__IPU_DISPB_DAT_7,

	MX35_PAD_LD8__IPU_DISPB_DAT_8,

	MX35_PAD_LD9__IPU_DISPB_DAT_9,

	MX35_PAD_LD10__IPU_DISPB_DAT_10,

	MX35_PAD_LD11__IPU_DISPB_DAT_11,

	MX35_PAD_LD12__IPU_DISPB_DAT_12,

	MX35_PAD_LD13__IPU_DISPB_DAT_13,

	MX35_PAD_LD14__IPU_DISPB_DAT_14,

	MX35_PAD_LD15__IPU_DISPB_DAT_15,

	MX35_PAD_LD16__IPU_DISPB_DAT_16,

	MX35_PAD_LD17__IPU_DISPB_DAT_17,

	MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,

	MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,

	MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,

	MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,

	/* Backlight */

	MX35_PAD_CONTRAST__IPU_DISPB_CONTR,

	/* LCD_PWR */

	MX35_PAD_D3_CLS__GPIO1_4,

	/* LED */

	MX35_PAD_LD23__GPIO3_29,

	/* SWITCH */

	MX35_PAD_LD19__GPIO3_25,

	/* UART2 */

	MX35_PAD_CTS2__UART2_CTS,

	MX35_PAD_RTS2__UART2_RTS,

	MX35_PAD_TXD2__UART2_TXD_MUX,

	MX35_PAD_RXD2__UART2_RXD_MUX,

	/* I2S */

	MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,

	MX35_PAD_STXD4__AUDMUX_AUD4_TXD,

	MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,

	MX35_PAD_SCK4__AUDMUX_AUD4_TXC,

};



#define GPIO_LED1	(2 * 32 + 29)

#define GPIO_SWITCH1	(2 * 32 + 25)

#define GPIO_LCDPWR	(4)



static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,

				   unsigned int power)

{

	if (power)

		gpio_direction_output(GPIO_LCDPWR, 1);

	else

		gpio_direction_output(GPIO_LCDPWR, 0);

}



static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {

	.set_power		= eukrea_mbimxsd_lcd_power_set,

};



static struct platform_device eukrea_mbimxsd_lcd_powerdev = {

	.name			= "platform-lcd",

	.dev.platform_data	= &eukrea_mbimxsd_lcd_power_data,

};



static struct gpio_led eukrea_mbimxsd_leds[] = {

	{

		.name			= "led1",

		.default_trigger	= "heartbeat",

		.active_low		= 1,

		.gpio			= GPIO_LED1,

	},

};



static struct gpio_led_platform_data eukrea_mbimxsd_led_info = {

	.leds		= eukrea_mbimxsd_leds,

	.num_leds	= ARRAY_SIZE(eukrea_mbimxsd_leds),

};



static struct platform_device eukrea_mbimxsd_leds_gpio = {

	.name	= "leds-gpio",

	.id	= -1,

	.dev	= {

		.platform_data	= &eukrea_mbimxsd_led_info,

	},

};



static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {

	{

		.gpio		= GPIO_SWITCH1,

		.code		= BTN_0,

		.desc		= "BP1",

		.active_low	= 1,

		.wakeup		= 1,

	},

};



static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = {

	.buttons	= eukrea_mbimxsd_gpio_buttons,

	.nbuttons	= ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),

};



static struct platform_device eukrea_mbimxsd_button_device = {

	.name		= "gpio-keys",

	.id		= -1,

	.num_resources	= 0,

	.dev		= {

		.platform_data	= &eukrea_mbimxsd_button_data,

	}

};



static struct platform_device *platform_devices[] __initdata = {

	&eukrea_mbimxsd_leds_gpio,

	&eukrea_mbimxsd_button_device,

	&eukrea_mbimxsd_lcd_powerdev,

};



static struct imxuart_platform_data uart_pdata = {

	.flags = IMXUART_HAVE_RTSCTS,

};



static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {

	{

		I2C_BOARD_INFO("tlv320aic23", 0x1a),

	},

};



struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata = {

	.flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,

};



/*

 * system init for baseboard usage. Will be called by cpuimx35 init.

 *

 * Add platform devices present on this baseboard and init

 * them from CPU side as far as required to use them later on

 */

void __init eukrea_mbimxsd_baseboard_init(void)

{

	if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,

			ARRAY_SIZE(eukrea_mbimxsd_pads)))

		printk(KERN_ERR "error setting mbimxsd pads !\n");



#if defined(CONFIG_SND_SOC_EUKREA_TLV320)

	/* SSI unit master I2S codec connected to SSI_AUD4 */

	mxc_audmux_v2_configure_port(0,

			MXC_AUDMUX_V2_PTCR_SYN |

			MXC_AUDMUX_V2_PTCR_TFSDIR |

			MXC_AUDMUX_V2_PTCR_TFSEL(3) |

			MXC_AUDMUX_V2_PTCR_TCLKDIR |

			MXC_AUDMUX_V2_PTCR_TCSEL(3),

			MXC_AUDMUX_V2_PDCR_RXDSEL(3)

	);

	mxc_audmux_v2_configure_port(3,

			MXC_AUDMUX_V2_PTCR_SYN,

			MXC_AUDMUX_V2_PDCR_RXDSEL(0)

	);

#endif



	mxc_register_device(&mxc_uart_device1, &uart_pdata);

	mxc_register_device(&mx3_ipu, &mx3_ipu_data);

	mxc_register_device(&mx3_fb, &mx3fb_pdata);



	mxc_register_device(&imx_ssi_device0, &eukrea_mbimxsd_ssi_pdata);



	gpio_request(GPIO_LED1, "LED1");

	gpio_direction_output(GPIO_LED1, 1);

	gpio_free(GPIO_LED1);



	gpio_request(GPIO_SWITCH1, "SWITCH1");

	gpio_direction_input(GPIO_SWITCH1);

	gpio_free(GPIO_SWITCH1);



	gpio_request(GPIO_LCDPWR, "LCDPWR");

	gpio_direction_output(GPIO_LCDPWR, 1);

	gpio_free(GPIO_SWITCH1);



	i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,

				ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));



	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));

}

arch/arm/mach-mx3/mach-cpuimx35.c

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Original line number Diff line number Diff line 
/*

 * 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/fsl_devices.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>

#include <asm/mach/time.h>

#include <asm/mach/map.h>



#include <mach/board-eukrea_cpuimx35.h>

#include <mach/hardware.h>

#include <mach/common.h>

#include <mach/imx-uart.h>

#include <mach/i2c.h>

#include <mach/iomux-mx35.h>

#include <mach/mxc_nand.h>

#include <mach/mxc_ehci.h>

#include <mach/ulpi.h>



#include "devices.h"



static struct imxuart_platform_data uart_pdata = {

	.flags = IMXUART_HAVE_RTSCTS,

};



static struct imxi2c_platform_data eukrea_cpuimx35_i2c_1_data = {

	.bitrate = 50000,

};



#define TSC2007_IRQGPIO		(2 * 32 + 2)

static int ts_get_pendown_state(void)

{

	int val = 0;

	gpio_free(TSC2007_IRQGPIO);

	gpio_request(TSC2007_IRQGPIO, NULL);

	gpio_direction_input(TSC2007_IRQGPIO);



	val = gpio_get_value(TSC2007_IRQGPIO);



	gpio_free(TSC2007_IRQGPIO);

	gpio_request(TSC2007_IRQGPIO, NULL);



	return val ? 0 : 1;

}



static int ts_init(void)

{

	gpio_request(TSC2007_IRQGPIO, NULL);

	return 0;

}



static struct tsc2007_platform_data tsc2007_info = {

	.model			= 2007,

	.x_plate_ohms		= 180,

	.get_pendown_state	= ts_get_pendown_state,

	.init_platform_hw	= ts_init,

};



static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = {

	{

		I2C_BOARD_INFO("pcf8563", 0x51),

	}, {

		I2C_BOARD_INFO("tsc2007", 0x48),

		.type		= "tsc2007",

		.platform_data	= &tsc2007_info,

		.irq		= gpio_to_irq(TSC2007_IRQGPIO),

	},

};



static struct platform_device *devices[] __initdata = {

	&mxc_fec_device,

	&imx_wdt_device0,

};



static struct pad_desc eukrea_cpuimx35_pads[] = {

	/* 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 struct mxc_nand_platform_data pcm037_nand_board_info = {

	.width		= 1,

	.hw_ecc		= 1,

	.flash_bbt	= 1,

};



static struct mxc_usbh_platform_data otg_pdata = {

	.portsc	= MXC_EHCI_MODE_UTMI,

	.flags	= MXC_EHCI_INTERFACE_DIFF_UNI,

};



static struct mxc_usbh_platform_data usbh1_pdata = {

	.portsc	= MXC_EHCI_MODE_SERIAL,

	.flags	= MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY |

		  MXC_EHCI_IPPUE_DOWN,

};



static struct fsl_usb2_platform_data otg_device_pdata = {

	.operating_mode	= FSL_USB2_DR_DEVICE,

	.phy_mode	= FSL_USB2_PHY_UTMI,

};



static int otg_mode_host;



static int __init eukrea_cpuimx35_otg_mode(char *options)

{

	if (!strcmp(options, "host"))

		otg_mode_host = 1;

	else if (!strcmp(options, "device"))

		otg_mode_host = 0;

	else

		pr_info("otg_mode neither \"host\" nor \"device\". "

			"Defaulting to device\n");

	return 0;

}

__setup("otg_mode=", eukrea_cpuimx35_otg_mode);



/*

 * Board specific initialization.

 */

static void __init mxc_board_init(void)

{

	mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx35_pads,

			ARRAY_SIZE(eukrea_cpuimx35_pads));



	platform_add_devices(devices, ARRAY_SIZE(devices));



	mxc_register_device(&mxc_uart_device0, &uart_pdata);

	mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);



	i2c_register_board_info(0, eukrea_cpuimx35_i2c_devices,

			ARRAY_SIZE(eukrea_cpuimx35_i2c_devices));

	mxc_register_device(&mxc_i2c_device0, &eukrea_cpuimx35_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_host, &otg_pdata);

	}

	mxc_register_device(&mxc_usbh1, &usbh1_pdata);

#endif

	if (!otg_mode_host)

		mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);



#ifdef CONFIG_MACH_EUKREA_MBIMXSD_BASEBOARD

	eukrea_mbimxsd_baseboard_init();

#endif

}



static void __init eukrea_cpuimx35_timer_init(void)

{

	mx35_clocks_init();

}



struct sys_timer eukrea_cpuimx35_timer = {

	.init	= eukrea_cpuimx35_timer_init,

};



MACHINE_START(EUKREA_CPUIMX35, "Eukrea CPUIMX35")

	/* Maintainer: Eukrea Electromatique */

	.phys_io	= MX35_AIPS1_BASE_ADDR,

	.io_pg_offst	= ((MX35_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,

	.boot_params    = MX3x_PHYS_OFFSET + 0x100,

	.map_io         = mx35_map_io,

	.init_irq       = mx35_init_irq,

	.init_machine   = mxc_board_init,

	.timer          = &eukrea_cpuimx35_timer,

MACHINE_END

arch/arm/plat-mxc/include/mach/board-eukrea_cpuimx35.h

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/*

 * 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_CPUIMX35_H__

#define __ASM_ARCH_MXC_BOARD_EUKREA_CPUIMX35_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_CPUIMX35_H__ */