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Commit e496efd9 authored by Aaro Koskinen's avatar Aaro Koskinen Committed by Tony Lindgren
Browse files

ARM: OMAP1: nokia770: enable CBUS/Retu 



Add needed platform data so that it's possible to use Retu and e.g. feed
Retu watchdog.

Signed-off-by: default avatarAaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 72718e8c

arch/arm/mach-omap1/board-nokia770.c

+43 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */

#include <linux/irq.h>

#include <linux/gpio.h>

#include <linux/kernel.h>

#include <linux/init.h>
@@ -23,6 +24,8 @@ 


#include <linux/platform_data/keypad-omap.h>

#include <linux/platform_data/lcd-mipid.h>

#include <linux/platform_data/gpio-omap.h>

#include <linux/platform_data/i2c-cbus-gpio.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>
@@ -212,6 +215,45 @@ static inline void nokia770_mmc_init(void) 
}

#endif



#if defined(CONFIG_I2C_CBUS_GPIO) || defined(CONFIG_I2C_CBUS_GPIO_MODULE)

static struct i2c_cbus_platform_data nokia770_cbus_data = {

	.clk_gpio = OMAP_MPUIO(9),

	.dat_gpio = OMAP_MPUIO(10),

	.sel_gpio = OMAP_MPUIO(11),

};



static struct platform_device nokia770_cbus_device = {

	.name   = "i2c-cbus-gpio",

	.id     = 2,

	.dev    = {

		.platform_data = &nokia770_cbus_data,

	},

};



static struct i2c_board_info nokia770_i2c_board_info_2[] __initdata = {

	{

		I2C_BOARD_INFO("retu-mfd", 0x01),

	},

};



static void __init nokia770_cbus_init(void)

{

	const int retu_irq_gpio = 62;



	if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ"))

		return;

	irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING);

	nokia770_i2c_board_info_2[0].irq = gpio_to_irq(retu_irq_gpio);

	i2c_register_board_info(2, nokia770_i2c_board_info_2,

				ARRAY_SIZE(nokia770_i2c_board_info_2));

	platform_device_register(&nokia770_cbus_device);

}

#else /* CONFIG_I2C_CBUS_GPIO */

static void __init nokia770_cbus_init(void)

{

}

#endif /* CONFIG_I2C_CBUS_GPIO */



static void __init omap_nokia770_init(void)

{

	/* On Nokia 770, the SleepX signal is masked with an
@@ -233,6 +275,7 @@ static void __init omap_nokia770_init(void) 
	mipid_dev_init();

	omap1_usb_init(&nokia770_usb_config);

	nokia770_mmc_init();

	nokia770_cbus_init();

}



MACHINE_START(NOKIA770, "Nokia 770")