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ARM: OMAP1: nokia770: enable CBUS/Retu

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

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Aaro Koskinen 2012-12-19 23:41:01 +02:00 • committed by Tony Lindgren
parent 72718e8ce0
commit e496efd950
1 changed files with 43 additions and 0 deletions
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43
arch/arm/mach-omap1/board-nokia770.c
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@ -7,6 +7,7 @@
* it under the terms of the GNU General Public License version 2 as * it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation. * published by the Free Software Foundation.
*/ */
#include <linux/irq.h>
#include <linux/gpio.h> #include <linux/gpio.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/init.h> #include <linux/init.h>
@ -23,6 +24,8 @@
#include <linux/platform_data/keypad-omap.h> #include <linux/platform_data/keypad-omap.h>
#include <linux/platform_data/lcd-mipid.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-types.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
@ -212,6 +215,45 @@ static inline void nokia770_mmc_init(void)
} }
#endif #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) static void __init omap_nokia770_init(void)
{ {
/* On Nokia 770, the SleepX signal is masked with an /* On Nokia 770, the SleepX signal is masked with an
@ -233,6 +275,7 @@ static void __init omap_nokia770_init(void)
mipid_dev_init(); mipid_dev_init();
omap1_usb_init(&nokia770_usb_config); omap1_usb_init(&nokia770_usb_config);
nokia770_mmc_init(); nokia770_mmc_init();
nokia770_cbus_init();
} }
MACHINE_START(NOKIA770, "Nokia 770") MACHINE_START(NOKIA770, "Nokia 770")