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[ARM] pxa/em-x270: add ability to control GPS and GPRS power

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Register userspace-consumer devices to allow userspace control of
voltage regulators supplying GPS and GPRS modules

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
Mike Rapoport 2009-05-18 08:53:56 +03:00 committed by Eric Miao
parent 3cb05c97ad
commit a37ed43115
1 changed files with 51 additions and 2 deletions
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53
arch/arm/mach-pxa/em-x270.c
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@ -30,6 +30,7 @@
#include <linux/apm-emulation.h>
#include <linux/i2c.h>
#include <linux/i2c/pca953x.h>
#include <linux/regulator/userspace-consumer.h>
#include <media/soc_camera.h>
@ -1038,6 +1039,52 @@ static void __init em_x270_init_camera(void)
static inline void em_x270_init_camera(void) {}
#endif
static struct regulator_bulk_data em_x270_gps_consumer_supply = {
.supply = "vcc gps",
};
static struct regulator_userspace_consumer_data em_x270_gps_consumer_data = {
.name = "vcc gps",
.num_supplies = 1,
.supplies = &em_x270_gps_consumer_supply,
};
static struct platform_device em_x270_gps_userspace_consumer = {
.name = "reg-userspace-consumer",
.id = 0,
.dev = {
.platform_data = &em_x270_gps_consumer_data,
},
};
static struct regulator_bulk_data em_x270_gprs_consumer_supply = {
.supply = "vcc gprs",
};
static struct regulator_userspace_consumer_data em_x270_gprs_consumer_data = {
.name = "vcc gprs",
.num_supplies = 1,
.supplies = &em_x270_gprs_consumer_supply
};
static struct platform_device em_x270_gprs_userspace_consumer = {
.name = "reg-userspace-consumer",
.id = 1,
.dev = {
.platform_data = &em_x270_gprs_consumer_data,
}
};
static struct platform_device *em_x270_userspace_consumers[] = {
&em_x270_gps_userspace_consumer,
&em_x270_gprs_userspace_consumer,
};
static void __init em_x270_userspace_consumers_init(void)
{
platform_add_devices(ARRAY_AND_SIZE(em_x270_userspace_consumers));
}
/* DA9030 related initializations */
#define REGULATOR_CONSUMER(_name, _dev, _supply) \
static struct regulator_consumer_supply _name##_consumers[] = { \
@ -1047,11 +1094,11 @@ static inline void em_x270_init_camera(void) {}
}, \
}
REGULATOR_CONSUMER(ldo3, NULL, "vcc gps");
REGULATOR_CONSUMER(ldo3, &em_x270_gps_userspace_consumer.dev, "vcc gps");
REGULATOR_CONSUMER(ldo5, NULL, "vcc cam");
REGULATOR_CONSUMER(ldo10, &pxa_device_mci.dev, "vcc sdio");
REGULATOR_CONSUMER(ldo12, NULL, "vcc usb");
REGULATOR_CONSUMER(ldo19, NULL, "vcc gprs");
REGULATOR_CONSUMER(ldo19, &em_x270_gprs_userspace_consumer.dev, "vcc gprs");
#define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask) \
static struct regulator_init_data _ldo##_data = { \
@ -1062,6 +1109,7 @@ REGULATOR_CONSUMER(ldo19, NULL, "vcc gprs");
.enabled = 0, \
}, \
.valid_ops_mask = _ops_mask, \
.apply_uV = 1, \
}, \
.num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers), \
.consumer_supplies = _ldo##_consumers, \
@ -1240,6 +1288,7 @@ static void __init em_x270_init(void)
em_x270_init_spi();
em_x270_init_i2c();
em_x270_init_camera();
em_x270_userspace_consumers_init();
}
MACHINE_START(EM_X270, "Compulab EM-X270")