[PATCH 18/23] dt-bindings: media: imx258: Add alternate compatible strings

[git]

From: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>

There are a number of variants of the imx258 modules that can not
be differentiated at runtime, so add compatible strings for them.

Signed-off-by: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
Signed-off-by: Luigi311 <git@xxxxxxxxxxxx>
---
 .../devicetree/bindings/media/i2c/sony,imx258.yaml          | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml
index bee61a443b23..c7856de15ba3 100644
--- a/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml
@@ -14,10 +14,14 @@ description: |-
   type stacked image sensor with a square pixel array of size 4208 x 3120. It
   is programmable through I2C interface.  Image data is sent through MIPI
   CSI-2.
+  There are a number of variants of the sensor which cannot be detected at
+  runtime, so multiple compatible strings are required to differentiate these.
 
 properties:
   compatible:
-    const: sony,imx258
+    - enum:
+        - sony,imx258
+        - sony,imx258-pdaf
 
   assigned-clocks: true
   assigned-clock-parents: true
-- 
2.42.0