dm: pmic: max77686: Support all BUCK regulators
Add support for all BUCK regulators, now that the correct register is
accessed for each.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/power/regulator/max77686.c b/drivers/power/regulator/max77686.c
index 21173fc..946b87c 100644
--- a/drivers/power/regulator/max77686.c
+++ b/drivers/power/regulator/max77686.c
@@ -81,13 +81,15 @@
/* hex = (uV - 600000) / 12500; */
hex = (uV - MAX77686_BUCK_UV_LMIN) / MAX77686_BUCK_UV_LSTEP;
hex_max = MAX77686_BUCK234_VOLT_MAX_HEX;
- /**
- * Those use voltage scaller - temporary not implemented
- * so return just 0
- */
- return -ENOSYS;
+ break;
default:
- /* hex = (uV - 750000) / 50000; */
+ /*
+ * hex = (uV - 750000) / 50000. We assume that dynamic voltage
+ * scaling via GPIOs is not enabled and don't support that.
+ * If this is enabled then the driver will need to take that
+ * into account anrd check different registers depending on
+ * the current setting See the datasheet for details.
+ */
hex = (uV - MAX77686_BUCK_UV_HMIN) / MAX77686_BUCK_UV_HSTEP;
hex_max = MAX77686_BUCK_VOLT_MAX_HEX;
break;
@@ -379,11 +381,11 @@
case 2:
case 3:
case 4:
- /* Those use voltage scallers - will support in the future */
mask = MAX77686_BUCK234_VOLT_MASK;
- return -ENOSYS;
+ break;
default:
mask = MAX77686_BUCK_VOLT_MASK;
+ break;
}
ret = pmic_read(dev->parent, adr, &val, 1);