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Commit 2886d128 authored by Mike Rapoport's avatar Mike Rapoport Committed by Tony Lindgren
Browse files

omap3: Add CompuLab CM-T35 board support 



This patch adds basic support for CompuLab CM-T35 module.

Signed-off-by: default avatarMike Rapoport <mike@compulab.co.il>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent a24e61a9

arch/arm/mach-omap2/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -101,6 +101,10 @@ config MACH_OMAP_ZOOM3 
	bool "OMAP3630 Zoom3 board"

	depends on ARCH_OMAP3 && ARCH_OMAP34XX



config MACH_CM_T35

	bool "CompuLab CM-T35 module"

	depends on ARCH_OMAP3 && ARCH_OMAP34XX



config MACH_OMAP_4430SDP

	bool "OMAP 4430 SDP board"

	depends on ARCH_OMAP4

arch/arm/mach-omap2/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -83,6 +83,8 @@ obj-$(CONFIG_MACH_OMAP_ZOOM3) += board-zoom3.o \ 
					   board-zoom-peripherals.o \

					   mmc-twl4030.o \

					   board-zoom-debugboard.o

obj-$(CONFIG_MACH_CM_T35)		+= board-cm-t35.o \

					   mmc-twl4030.o



obj-$(CONFIG_MACH_OMAP_4430SDP)		+= board-4430sdp.o

arch/arm/mach-omap2/board-cm-t35.c

0 → 100644
+507 −0
Original line number Diff line number Diff line 
/*

 * board-cm-t35.c (CompuLab CM-T35 module)

 *

 * Copyright (C) 2009 CompuLab, Ltd.

 * Author: Mike Rapoport <mike@compulab.co.il>

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * version 2 as published by the Free Software Foundation.

 *

 * 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 St, Fifth Floor, Boston, MA

 * 02110-1301 USA

 *

 */



#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/platform_device.h>

#include <linux/input.h>

#include <linux/input/matrix_keypad.h>

#include <linux/delay.h>

#include <linux/gpio.h>



#include <linux/i2c/at24.h>

#include <linux/i2c/twl4030.h>

#include <linux/regulator/machine.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>

#include <asm/mach/map.h>



#include <plat/board.h>

#include <plat/common.h>

#include <plat/mux.h>

#include <plat/nand.h>

#include <plat/gpmc.h>

#include <plat/usb.h>



#include <mach/hardware.h>



#include "sdram-micron-mt46h32m32lf-6.h"

#include "mmc-twl4030.h"



#define CM_T35_GPIO_PENDOWN	57



#define CM_T35_SMSC911X_CS	5

#define CM_T35_SMSC911X_GPIO	163

#define SB_T35_SMSC911X_CS	4

#define SB_T35_SMSC911X_GPIO	65



#define NAND_BLOCK_SIZE		SZ_128K

#define GPMC_CS0_BASE		0x60

#define GPMC_CS0_BASE_ADDR	(OMAP34XX_GPMC_VIRT + GPMC_CS0_BASE)



#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)

#include <linux/smsc911x.h>



static struct smsc911x_platform_config cm_t35_smsc911x_config = {

	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,

	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,

	.flags		= SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,

	.phy_interface	= PHY_INTERFACE_MODE_MII,

};



static struct resource cm_t35_smsc911x_resources[] = {

	{

		.flags	= IORESOURCE_MEM,

	},

	{

		.start	= OMAP_GPIO_IRQ(CM_T35_SMSC911X_GPIO),

		.end	= OMAP_GPIO_IRQ(CM_T35_SMSC911X_GPIO),

		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,

	},

};



static struct platform_device cm_t35_smsc911x_device = {

	.name		= "smsc911x",

	.id		= 0,

	.num_resources	= ARRAY_SIZE(cm_t35_smsc911x_resources),

	.resource	= cm_t35_smsc911x_resources,

	.dev		= {

		.platform_data = &cm_t35_smsc911x_config,

	},

};



static struct resource sb_t35_smsc911x_resources[] = {

	{

		.flags	= IORESOURCE_MEM,

	},

	{

		.start	= OMAP_GPIO_IRQ(SB_T35_SMSC911X_GPIO),

		.end	= OMAP_GPIO_IRQ(SB_T35_SMSC911X_GPIO),

		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,

	},

};



static struct platform_device sb_t35_smsc911x_device = {

	.name		= "smsc911x",

	.id		= 1,

	.num_resources	= ARRAY_SIZE(sb_t35_smsc911x_resources),

	.resource	= sb_t35_smsc911x_resources,

	.dev		= {

		.platform_data = &cm_t35_smsc911x_config,

	},

};



static void __init cm_t35_init_smsc911x(struct platform_device *dev,

					int cs, int irq_gpio)

{

	unsigned long cs_mem_base;



	if (gpmc_cs_request(cs, SZ_16M, &cs_mem_base) < 0) {

		pr_err("CM-T35: Failed request for GPMC mem for smsc911x\n");

		return;

	}



	dev->resource[0].start = cs_mem_base + 0x0;

	dev->resource[0].end   = cs_mem_base + 0xff;



	if ((gpio_request(irq_gpio, "ETH IRQ") == 0) &&

	    (gpio_direction_input(irq_gpio) == 0)) {

		gpio_export(irq_gpio, 0);

	} else {

		pr_err("CM-T35: could not obtain gpio for SMSC911X IRQ\n");

		return;

	}



	platform_device_register(dev);

}



static void __init cm_t35_init_ethernet(void)

{

	cm_t35_init_smsc911x(&cm_t35_smsc911x_device,

			     CM_T35_SMSC911X_CS, CM_T35_SMSC911X_GPIO);

	cm_t35_init_smsc911x(&sb_t35_smsc911x_device,

			     SB_T35_SMSC911X_CS, SB_T35_SMSC911X_GPIO);

}

#else

static inline void __init cm_t35_init_ethernet(void) { return; }

#endif



#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)

#include <linux/leds.h>



static struct gpio_led cm_t35_leds[] = {

	[0] = {

		.gpio			= 186,

		.name			= "cm-t35:green",

		.default_trigger	= "heartbeat",

		.active_low		= 0,

	},

};



static struct gpio_led_platform_data cm_t35_led_pdata = {

	.num_leds	= ARRAY_SIZE(cm_t35_leds),

	.leds		= cm_t35_leds,

};



static struct platform_device cm_t35_led_device = {

	.name		= "leds-gpio",

	.id		= -1,

	.dev		= {

		.platform_data	= &cm_t35_led_pdata,

	},

};



static void __init cm_t35_init_led(void)

{

	platform_device_register(&cm_t35_led_device);

}

#else

static inline void cm_t35_init_led(void) {}

#endif



#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)

#include <linux/mtd/mtd.h>

#include <linux/mtd/nand.h>

#include <linux/mtd/partitions.h>



static struct mtd_partition cm_t35_nand_partitions[] = {

	{

		.name           = "xloader",

		.offset         = 0,			/* Offset = 0x00000 */

		.size           = 4 * NAND_BLOCK_SIZE,

		.mask_flags     = MTD_WRITEABLE

	},

	{

		.name           = "uboot",

		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x80000 */

		.size           = 15 * NAND_BLOCK_SIZE,

	},

	{

		.name           = "uboot environment",

		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x260000 */

		.size           = 2 * NAND_BLOCK_SIZE,

	},

	{

		.name           = "linux",

		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x280000 */

		.size           = 32 * NAND_BLOCK_SIZE,

	},

	{

		.name           = "rootfs",

		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x680000 */

		.size           = MTDPART_SIZ_FULL,

	},

};



static struct omap_nand_platform_data cm_t35_nand_data = {

	.parts			= cm_t35_nand_partitions,

	.nr_parts		= ARRAY_SIZE(cm_t35_nand_partitions),

	.dma_channel		= -1,	/* disable DMA in OMAP NAND driver */

	.cs			= 0,

	.gpmc_cs_baseaddr	= (void __iomem *)GPMC_CS0_BASE_ADDR,

	.gpmc_baseaddr		= (void __iomem *)OMAP34XX_GPMC_VIRT,



};



static struct resource cm_t35_nand_resource = {

	.flags		= IORESOURCE_MEM,

};



static struct platform_device cm_t35_nand_device = {

	.name		= "omap2-nand",

	.id		= -1,

	.num_resources	= 1,

	.resource	= &cm_t35_nand_resource,

	.dev		= {

		.platform_data	= &cm_t35_nand_data,

	},

};



static void __init cm_t35_init_nand(void)

{

	if (platform_device_register(&cm_t35_nand_device) < 0)

		pr_err("CM-T35: Unable to register NAND device\n");

}

#else

static inline void cm_t35_init_nand(void) {}

#endif



#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \

	defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)

#include <linux/spi/spi.h>

#include <linux/spi/ads7846.h>



#include <plat/mcspi.h>



static struct omap2_mcspi_device_config ads7846_mcspi_config = {

	.turbo_mode	= 0,

	.single_channel	= 1,	/* 0: slave, 1: master */

};



static int ads7846_get_pendown_state(void)

{

	return !gpio_get_value(CM_T35_GPIO_PENDOWN);

}



static struct ads7846_platform_data ads7846_config = {

	.x_max			= 0x0fff,

	.y_max			= 0x0fff,

	.x_plate_ohms		= 180,

	.pressure_max		= 255,

	.debounce_max		= 10,

	.debounce_tol		= 3,

	.debounce_rep		= 1,

	.get_pendown_state	= ads7846_get_pendown_state,

	.keep_vref_on		= 1,

};



static struct spi_board_info cm_t35_spi_board_info[] __initdata = {

	{

		.modalias		= "ads7846",

		.bus_num		= 1,

		.chip_select		= 0,

		.max_speed_hz		= 1500000,

		.controller_data	= &ads7846_mcspi_config,

		.irq			= OMAP_GPIO_IRQ(CM_T35_GPIO_PENDOWN),

		.platform_data		= &ads7846_config,

	},

};



static void __init cm_t35_init_ads7846(void)

{

	if ((gpio_request(CM_T35_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) &&

	    (gpio_direction_input(CM_T35_GPIO_PENDOWN) == 0)) {

		gpio_export(CM_T35_GPIO_PENDOWN, 0);

	} else {

		pr_err("CM-T35: could not obtain gpio for ADS7846_PENDOWN\n");

		return;

	}



	spi_register_board_info(cm_t35_spi_board_info,

				ARRAY_SIZE(cm_t35_spi_board_info));

}

#else

static inline void cm_t35_init_ads7846(void) {}

#endif



static struct regulator_consumer_supply cm_t35_vmmc1_supply = {

	.supply			= "vmmc",

};



static struct regulator_consumer_supply cm_t35_vsim_supply = {

	.supply			= "vmmc_aux",

};



/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */

static struct regulator_init_data cm_t35_vmmc1 = {

	.constraints = {

		.min_uV			= 1850000,

		.max_uV			= 3150000,

		.valid_modes_mask	= REGULATOR_MODE_NORMAL

					| REGULATOR_MODE_STANDBY,

		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE

					| REGULATOR_CHANGE_MODE

					| REGULATOR_CHANGE_STATUS,

	},

	.num_consumer_supplies	= 1,

	.consumer_supplies	= &cm_t35_vmmc1_supply,

};



/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */

static struct regulator_init_data cm_t35_vsim = {

	.constraints = {

		.min_uV			= 1800000,

		.max_uV			= 3000000,

		.valid_modes_mask	= REGULATOR_MODE_NORMAL

					| REGULATOR_MODE_STANDBY,

		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE

					| REGULATOR_CHANGE_MODE

					| REGULATOR_CHANGE_STATUS,

	},

	.num_consumer_supplies	= 1,

	.consumer_supplies	= &cm_t35_vsim_supply,

};



static struct twl4030_usb_data cm_t35_usb_data = {

	.usb_mode	= T2_USB_MODE_ULPI,

};



static int cm_t35_keymap[] = {

	KEY(0, 0, KEY_A),	KEY(0, 1, KEY_B),	KEY(0, 2, KEY_LEFT),

	KEY(1, 0, KEY_UP),	KEY(1, 1, KEY_ENTER),	KEY(1, 2, KEY_DOWN),

	KEY(2, 0, KEY_RIGHT),	KEY(2, 1, KEY_C),	KEY(2, 2, KEY_D),

};



static struct matrix_keymap_data cm_t35_keymap_data = {

	.keymap			= cm_t35_keymap,

	.keymap_size		= ARRAY_SIZE(cm_t35_keymap),

};



static struct twl4030_keypad_data cm_t35_kp_data = {

	.keymap_data	= &cm_t35_keymap_data,

	.rows		= 3,

	.cols		= 3,

	.rep		= 1,

};



static struct twl4030_hsmmc_info mmc[] = {

	{

		.mmc		= 1,

		.wires		= 4,

		.gpio_cd	= -EINVAL,

		.gpio_wp	= -EINVAL,



	},

	{

		.mmc		= 2,

		.wires		= 4,

		.transceiver	= 1,

		.gpio_cd	= -EINVAL,

		.gpio_wp	= -EINVAL,

		.ocr_mask	= 0x00100000,	/* 3.3V */

	},

	{}	/* Terminator */

};



static struct ehci_hcd_omap_platform_data ehci_pdata = {

	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,

	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,

	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,



	.phy_reset  = true,

	.reset_gpio_port[0]  = -EINVAL,

	.reset_gpio_port[1]  = -EINVAL,

	.reset_gpio_port[2]  = -EINVAL

};



static int cm_t35_twl_gpio_setup(struct device *dev, unsigned gpio,

				 unsigned ngpio)

{

	int wlan_rst = gpio + 2;



	if ((gpio_request(wlan_rst, "WLAN RST") == 0) &&

	    (gpio_direction_output(wlan_rst, 1) == 0)) {

		gpio_export(wlan_rst, 0);



		udelay(10);

		gpio_set_value(wlan_rst, 0);

		udelay(10);

		gpio_set_value(wlan_rst, 1);

	} else {

		pr_err("CM-T35: could not obtain gpio for WiFi reset\n");

	}



	/* gpio + 0 is "mmc0_cd" (input/IRQ) */

	mmc[0].gpio_cd = gpio + 0;

	twl4030_mmc_init(mmc);



	/* link regulators to MMC adapters */

	cm_t35_vmmc1_supply.dev = mmc[0].dev;

	cm_t35_vsim_supply.dev = mmc[0].dev;



	/* setup USB with proper PHY reset GPIOs */

	ehci_pdata.reset_gpio_port[0] = gpio + 6;

	ehci_pdata.reset_gpio_port[1] = gpio + 7;



	usb_ehci_init(&ehci_pdata);



	return 0;

}



static struct twl4030_gpio_platform_data cm_t35_gpio_data = {

	.gpio_base	= OMAP_MAX_GPIO_LINES,

	.irq_base	= TWL4030_GPIO_IRQ_BASE,

	.irq_end	= TWL4030_GPIO_IRQ_END,

	.setup          = cm_t35_twl_gpio_setup,

};



static struct twl4030_platform_data cm_t35_twldata = {

	.irq_base	= TWL4030_IRQ_BASE,

	.irq_end	= TWL4030_IRQ_END,



	/* platform_data for children goes here */

	.keypad		= &cm_t35_kp_data,

	.usb		= &cm_t35_usb_data,

	.gpio		= &cm_t35_gpio_data,

	.vmmc1		= &cm_t35_vmmc1,

	.vsim		= &cm_t35_vsim,

};



static struct i2c_board_info __initdata cm_t35_i2c_boardinfo[] = {

	{

		I2C_BOARD_INFO("tps65930", 0x48),

		.flags		= I2C_CLIENT_WAKE,

		.irq		= INT_34XX_SYS_NIRQ,

		.platform_data	= &cm_t35_twldata,

	},

};



static void __init cm_t35_init_i2c(void)

{

	omap_register_i2c_bus(1, 2600, cm_t35_i2c_boardinfo,

			      ARRAY_SIZE(cm_t35_i2c_boardinfo));

}



static struct omap_board_config_kernel cm_t35_config[] __initdata = {

};



static void __init cm_t35_init_irq(void)

{

	omap_board_config = cm_t35_config;

	omap_board_config_size = ARRAY_SIZE(cm_t35_config);



	omap2_init_common_hw(mt46h32m32lf6_sdrc_params,

			     mt46h32m32lf6_sdrc_params);

	omap_init_irq();

	omap_gpio_init();

}



static void __init cm_t35_map_io(void)

{

	omap2_set_globals_343x();

	omap2_map_common_io();

}



static void __init cm_t35_init(void)

{

	omap_serial_init();

	cm_t35_init_i2c();

	cm_t35_init_nand();

	cm_t35_init_ads7846();

	cm_t35_init_ethernet();

	cm_t35_init_led();



	usb_musb_init();



	omap_cfg_reg(AF26_34XX_SYS_NIRQ);

}



MACHINE_START(CM_T35, "Compulab CM-T35")

	.phys_io	= 0x48000000,

	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,

	.boot_params	= 0x80000100,

	.map_io		= cm_t35_map_io,

	.init_irq	= cm_t35_init_irq,

	.init_machine	= cm_t35_init,

	.timer		= &omap_timer,

MACHINE_END