[PATCH 1/1] dt-bindings: rtc: nxp,lpc1788-rtc: add compatible string nxp,lpc1850-rtc

[Frank Li]

Add compatible string nxp,lpc1850-rtc and fallback to nxp,lpc1788-rtc.

Fix below CHECK_DTB warning:
  arch/arm/boot/dts/nxp/lpc/lpc4337-ciaa.dtb: rtc@40046000 (nxp,lpc1850-rtc): compatible: ['nxp,lpc1850-rtc', 'nxp,lpc1788-rtc'] is too long

Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
 Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml b/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml
index e88b847a1cc51..e896ba59302a4 100644
--- a/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/nxp,lpc1788-rtc.yaml
@@ -18,7 +18,12 @@ allOf:
 
 properties:
   compatible:
-    const: nxp,lpc1788-rtc
+    oneOf:
+      - items:
+          - enum:
+              - nxp,lpc1850-rtc
+          - const: nxp,lpc1788-rtc
+      - const: nxp,lpc1788-rtc
 
   reg:
     maxItems: 1
-- 
2.34.1