1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c
index 3b78b031e617..5355d0e4c045 100644
--- a/drivers/nfc/trf7970a.c
+++ b/drivers/nfc/trf7970a.c
@@ -1251,6 +1251,12 @@ static int trf7970a_get_autosuspend_delay(struct device_node *np)
         return autosuspend_delay;
 }
 
+static int trf7970a_get_vin_voltage_override(struct device_node *np,
+                u32 *vin_uvolts)
+{
+        return of_property_read_u32(np, "vin-voltage-override", vin_uvolts);
+}
+
 static int trf7970a_probe(struct spi_device *spi)
 {
         struct device_node *np = spi->dev.of_node;
@@ -1326,7 +1332,9 @@ static int trf7970a_probe(struct spi_device *spi)
                 goto err_destroy_lock;
         }
 
-        uvolts = regulator_get_voltage(trf->regulator);
+        ret = trf7970a_get_vin_voltage_override(np, &uvolts);
+        if (ret)
+                uvolts = regulator_get_voltage(trf->regulator);
 
         if (uvolts > 4000000)
                 trf->chip_status_ctrl = TRF7970A_CHIP_STATUS_VRS5_3;