[PATCH v2 2/2] device-tree: bindings: max17042_battery: add all of the compatible strings

[Angus Ainslie (Purism)]

The bindings are missing documentation for some of the compatible
strings.

Signed-off-by: Angus Ainslie (Purism) <angus@xxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
---
 .../devicetree/bindings/power/supply/max17042_battery.txt   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/power/supply/max17042_battery.txt b/Documentation/devicetree/bindings/power/supply/max17042_battery.txt
index 3f3894aaeebc..f34c5daae9af 100644
--- a/Documentation/devicetree/bindings/power/supply/max17042_battery.txt
+++ b/Documentation/devicetree/bindings/power/supply/max17042_battery.txt
@@ -2,7 +2,11 @@ max17042_battery
 ~~~~~~~~~~~~~~~~
 
 Required properties :
- - compatible : "maxim,max17042"
+ - compatible : one of the following
+ * "maxim,max17042"
+ * "maxim,max17047"
+ * "maxim,max17050"
+ * "maxim,max17055"
 
 Optional properties :
  - maxim,rsns-microohm : Resistance of rsns resistor in micro Ohms
-- 
2.17.1