From 1a8339c6bdcf7d66a83152ee5ff13c50da761295 Mon Sep 17 00:00:00 2001
From: Yunlong Jia <ecs.beijing2022@gmail.com>
Date: Fri, 23 Sep 2022 09:35:48 -0700
Subject: [PATCH] dt-bindings: input: touchscreen: elants_i2c: Add compatible
 for eth3915n chip

This adds a new compatible string for Elan eth3915n touchscreen controller,
which is compatible with ekth3500.

Signed-off-by: Yunlong Jia <ecs.beijing2022@gmail.com>
Suggested-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20220923083657.v5.2.Ic4e8f03868f88b8027a81bc3d414bae68978e6b7@changeid
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
 .../bindings/input/touchscreen/elan,elants_i2c.yaml    | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/input/touchscreen/elan,elants_i2c.yaml b/Documentation/devicetree/bindings/input/touchscreen/elan,elants_i2c.yaml
index a9b53c2e6f0a..f9053e5e9b24 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/elan,elants_i2c.yaml
+++ b/Documentation/devicetree/bindings/input/touchscreen/elan,elants_i2c.yaml
@@ -14,9 +14,13 @@ allOf:
 
 properties:
   compatible:
-    enum:
-      - elan,ektf3624
-      - elan,ekth3500
+    oneOf:
+      - enum:
+          - elan,ektf3624
+          - elan,ekth3500
+      - items:
+          - const: elan,ekth3915
+          - const: elan,ekth3500
 
   reg:
     maxItems: 1