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
        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)
        Tells whether the battery/supercap of the RTC (if any) is
        chargeable or not.
        Possible values are 0 (not chargeable), 1 (chargeable)