+static int tps62360_set_mode(struct regulator_dev *rdev, unsigned int mode)
+{
+ struct tps62360_chip *tps = rdev_get_drvdata(rdev);
+ int i;
+ int val;
+ int ret;
+
+ /* Enable force PWM mode in FAST mode only. */
+ switch (mode) {
+ case REGULATOR_MODE_FAST:
+ val = FORCE_PWM_ENABLE;
+ break;
+
+ case REGULATOR_MODE_NORMAL:
+ val = 0;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ if (!tps->valid_gpios) {
+ ret = regmap_update_bits(tps->regmap,
+ REG_VSET0 + tps->curr_vset_id, FORCE_PWM_ENABLE, val);
+ if (ret < 0)
+ dev_err(tps->dev,
+ "%s(): register %d update failed with err %d\n",
+ __func__, REG_VSET0 + tps->curr_vset_id, ret);
+ return ret;
+ }
+
+ /* If gpios are valid then all register set need to be control */
+ for (i = 0; i < 4; ++i) {
+ ret = regmap_update_bits(tps->regmap,
+ REG_VSET0 + i, FORCE_PWM_ENABLE, val);
+ if (ret < 0) {
+ dev_err(tps->dev,
+ "%s(): register %d update failed with err %d\n",
+ __func__, REG_VSET0 + i, ret);
+ return ret;
+ }
+ }
+ return ret;
+}
+
+static unsigned int tps62360_get_mode(struct regulator_dev *rdev)
+{
+ struct tps62360_chip *tps = rdev_get_drvdata(rdev);
+ unsigned int data;
+ int ret;
+
+ ret = regmap_read(tps->regmap, REG_VSET0 + tps->curr_vset_id, &data);
+ if (ret < 0) {
+ dev_err(tps->dev, "%s(): register %d read failed with err %d\n",
+ __func__, REG_VSET0 + tps->curr_vset_id, ret);
+ return ret;
+ }
+ return (data & FORCE_PWM_ENABLE) ?
+ REGULATOR_MODE_FAST : REGULATOR_MODE_NORMAL;
+}
+