@@ -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),
Here we use the previous regulator register code separated from probe to register each of the regulators mentioned in Device Tree. Cc: linux-kernel@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> --- drivers/regulator/db8500-prcmu.c | 76 ++++++++++++++++++++++++++++++++++---- 1 file changed, 69 insertions(+), 7 deletions(-)