regulator: fan53555: Add support for FAN53555UC13X type

IC type options 00, 13 and 23 are sharing the same DIE_ID 0.
Let's differentiate between these revisions.
FAN53555UC13X has the ID 0 and REV 0xf, starts at 800mV and
increments in 10mV steps.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/drivers/regulator/fan53555.c b/drivers/regulator/fan53555.c
index d4bfa9312724..d7da81a875cf 100644
--- a/drivers/regulator/fan53555.c
+++ b/drivers/regulator/fan53555.c
@@ -68,6 +68,12 @@ enum {
         FAN53555_CHIP_ID_08 = 8,
 };
 
+/* IC mask revision */
+enum {
+        FAN53555_CHIP_REV_00 = 0x3,
+        FAN53555_CHIP_REV_13 = 0xf,
+};
+
 enum {
         SILERGY_SYR82X = 8,
 };
@@ -218,6 +224,22 @@ static int fan53555_voltages_setup_fairchild(struct fan53555_device_info *di)
         /* Init voltage range and step */
         switch (di->chip_id) {
         case FAN53555_CHIP_ID_00:
+                switch (di->chip_rev) {
+                case FAN53555_CHIP_REV_00:
+                        di->vsel_min = 600000;
+                        di->vsel_step = 10000;
+                        break;
+                case FAN53555_CHIP_REV_13:
+                        di->vsel_min = 800000;
+                        di->vsel_step = 10000;
+                        break;
+                default:
+                        dev_err(di->dev,
+                                "Chip ID %d with rev %d not supported!\n",
+                                di->chip_id, di->chip_rev);
+                        return -EINVAL;
+                }
+                break;
         case FAN53555_CHIP_ID_01:
         case FAN53555_CHIP_ID_03:
         case FAN53555_CHIP_ID_05: