diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-nokia770.c')
| -rw-r--r-- | arch/arm/mach-omap1/board-nokia770.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c index 4695ca717706..62a15e289c79 100644 --- a/arch/arm/mach-omap1/board-nokia770.c +++ b/arch/arm/mach-omap1/board-nokia770.c @@ -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") |