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regulator: Enable Device Tree for the db8500-prcmu regulator driver 

Here we use the previous regulator register code separated from probe to
register each of the regulators mentioned in Device Tree.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Lee Jones 2012-05-18 09:39:06 +01:00 committed by Mark Brown
parent 8986cf8852
commit 1bdd670a32
1 changed files with 69 additions and 7 deletions
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76
drivers/regulator/db8500-prcmu.c
View File

@ -17,6 +17,8 @@
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/db8500-prcmu.h>
#include <linux/regulator/of_regulator.h>
#include <linux/of.h>
#include <linux/module.h>
#include "dbx500-prcmu.h"
@ -449,23 +451,77 @@ static __devinit int db8500_regulator_register(struct platform_device *pdev,
return 0;
}
static struct of_regulator_match db8500_regulator_matches[] = {
{ .name = "db8500-vape", .driver_data = (void *) DB8500_REGULATOR_VAPE, },
{ .name = "db8500-varm", .driver_data = (void *) DB8500_REGULATOR_VARM, },
{ .name = "db8500-vmodem", .driver_data = (void *) DB8500_REGULATOR_VMODEM, },
{ .name = "db8500-vpll", .driver_data = (void *) DB8500_REGULATOR_VPLL, },
{ .name = "db8500-vsmps1", .driver_data = (void *) DB8500_REGULATOR_VSMPS1, },
{ .name = "db8500-vsmps2", .driver_data = (void *) DB8500_REGULATOR_VSMPS2, },
{ .name = "db8500-vsmps3", .driver_data = (void *) DB8500_REGULATOR_VSMPS3, },
{ .name = "db8500-vrf1", .driver_data = (void *) DB8500_REGULATOR_VRF1, },
{ .name = "db8500-sva-mmdsp", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAMMDSP, },
{ .name = "db8500-sva-mmdsp-ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAMMDSPRET, },
{ .name = "db8500-sva-pipe", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SVAPIPE, },
{ .name = "db8500-sia-mmdsp", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAMMDSP, },
{ .name = "db8500-sia-mmdsp-ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAMMDSPRET, },
{ .name = "db8500-sia-pipe", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SIAPIPE, },
{ .name = "db8500-sga", .driver_data = (void *) DB8500_REGULATOR_SWITCH_SGA, },
{ .name = "db8500-b2r2-mcde", .driver_data = (void *) DB8500_REGULATOR_SWITCH_B2R2_MCDE, },
{ .name = "db8500-esram12", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM12, },
{ .name = "db8500-esram12-ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM12RET, },
{ .name = "db8500-esram34", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM34, },
{ .name = "db8500-esram34-ret", .driver_data = (void *) DB8500_REGULATOR_SWITCH_ESRAM34RET, },
};
static __devinit int
db8500_regulator_of_probe(struct platform_device *pdev,
struct device_node *np)
{
int i, err;
for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) {
err = db8500_regulator_register(
pdev, db8500_regulator_matches[i].init_data,
i, db8500_regulator_matches[i].of_node);
if (err)
return err;
}
return 0;
}
static int __devinit db8500_regulator_probe(struct platform_device *pdev)
{
struct regulator_init_data *db8500_init_data =
dev_get_platdata(&pdev->dev);
struct device_node *np = pdev->dev.of_node;
int i, err;
/* register all regulators */
for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) {
err = db8500_regulator_register(pdev,
&db8500_init_data[i],
i, NULL);
if (np) {
err = of_regulator_match(&pdev->dev, np,
db8500_regulator_matches,
ARRAY_SIZE(db8500_regulator_matches));
if (err < 0) {
dev_err(&pdev->dev,
"Error parsing regulator init data: %d\n", err);
return err;
}
err = db8500_regulator_of_probe(pdev, np);
if (err)
return err;
dev_dbg(rdev_get_dev(info->rdev),
"regulator-%s-probed\n", info->desc.name);
} else {
for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) {
err = db8500_regulator_register(pdev,
&db8500_init_data[i],
i, NULL);
if (err)
return err;
}
}
err = ux500_regulator_debug_init(pdev,
dbx500_regulator_info,
ARRAY_SIZE(dbx500_regulator_info));
@ -491,10 +547,16 @@ static int __exit db8500_regulator_remove(struct platform_device *pdev)
return 0;
}
static const struct of_device_id db8500_prcmu_regulator_match[] = {
{ .compatible = "stericsson,db8500-prcmu-regulator", },
{}
};
static struct platform_driver db8500_regulator_driver = {
.driver = {
.name = "db8500-prcmu-regulators",
.owner = THIS_MODULE,
.of_match_table = db8500_prcmu_regulator_match,
},
.probe = db8500_regulator_probe,
.remove = __exit_p(db8500_regulator_remove),