dt-bindings: rtc: ds1307: add rx8130 aux-voltage-chargeable support

Epson's RX8130 was not charged before. A related patch will allow
optional charging.

Signed-off-by: Bastian Krause <bst@pengutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200917183246.19446-4-bst@pengutronix.de

diff --git a/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt b/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
index 08ea9734da80e9cca1168f76ca1a65b08915dbb9..36f610bb051ea690c97523efd884435849988036 100644 (file)
--- a/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
+++ b/Documentation/devicetree/bindings/rtc/rtc-ds1307.txt
@@ -31,7 +31,7 @@ Optional properties:
        Selected resistor for trickle charger
        Possible values are 250, 2000, 4000
        Should be given if trickle charger should be enabled
-- aux-voltage-chargeable: ds1339, ds1340 and ds1388 only
+- aux-voltage-chargeable: ds1339, ds1340, ds1388 and rx8130 only
        Tells whether the battery/supercap of the RTC (if any) is
        chargeable or not.
        Possible values are 0 (not chargeable), 1 (chargeable)