diff options
Diffstat (limited to 'drivers/regulator/db8500-prcmu.c')
| -rw-r--r-- | drivers/regulator/db8500-prcmu.c | 76 |
1 files changed, 69 insertions, 7 deletions
diff --git a/drivers/regulator/db8500-prcmu.c b/drivers/regulator/db8500-prcmu.c index d6b4d4ce105..968f97f3cb3 100644 --- a/drivers/regulator/db8500-prcmu.c +++ b/drivers/regulator/db8500-prcmu.c @@ -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 (err) + 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; + } - dev_dbg(rdev_get_dev(info->rdev), - "regulator-%s-probed\n", info->desc.name); + err = db8500_regulator_of_probe(pdev, np); + if (err) + return err; + } 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), |