diff options
-rw-r--r-- | arch/arm/mach-omap2/board-overo.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index d621ee8..4278ecb 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -28,6 +28,7 @@ #include <linux/platform_device.h> #include <linux/i2c/twl.h> #include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <linux/spi/spi.h> #include <linux/mtd/mtd.h> @@ -97,6 +98,34 @@ static struct ads7846_platform_data ads7846_config = { .keep_vref_on = 1, }; +/* fixed regulator for ads7846 */ +static struct regulator_consumer_supply ads7846_supply = + REGULATOR_SUPPLY("vcc", "spi1.0"); + +static struct regulator_init_data vads7846_regulator = { + .constraints = { + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &ads7846_supply, +}; + +static struct fixed_voltage_config vads7846 = { + .supply_name = "vads7846", + .microvolts = 3300000, /* 3.3V */ + .gpio = -EINVAL, + .startup_delay = 0, + .init_data = &vads7846_regulator, +}; + +static struct platform_device vads7846_device = { + .name = "reg-fixed-voltage", + .id = 1, + .dev = { + .platform_data = &vads7846, + }, +}; + static void __init overo_ads7846_init(void) { if ((gpio_request(OVERO_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) && @@ -106,6 +135,8 @@ static void __init overo_ads7846_init(void) printk(KERN_ERR "could not obtain gpio for ADS7846_PENDOWN\n"); return; } + + platform_device_register(&vads7846_device); } #else |