linux-kernel - [PATCH v4 18/25] dt-bindings: media: imx258: Add alternate compatible strings

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Message-ID: <20240414203503.18402-19-git@luigi311.com>
Date: Sun, 14 Apr 2024 14:34:56 -0600
From: git@...gi311.com
To: linux-media@...r.kernel.org
Cc: dave.stevenson@...pberrypi.com,
	jacopo.mondi@...asonboard.com,
	mchehab@...nel.org,
	robh@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	sakari.ailus@...ux.intel.com,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	pavel@....cz,
	phone-devel@...r.kernel.org,
	Luis Garcia <git@...gi311.com>,
	Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH v4 18/25] dt-bindings: media: imx258: Add alternate compatible strings

From: Dave Stevenson <dave.stevenson@...pberrypi.com>

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

Signed-off-by: Dave Stevenson <dave.stevenson@...pberrypi.com>
Signed-off-by: Luis Garcia <git@...gi311.com>
Acked-by: Conor Dooley <conor.dooley@...rochip.com>
Reviewed-by: Pavel Machek <pavel@....cz>
Reviewed-by: Rob Herring <robh@...nel.org>
---
 .../devicetree/bindings/media/i2c/sony,imx258.yaml       | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml
index bee61a443b23..c978abc0cdb3 100644
--- a/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/sony,imx258.yaml
@@ -13,11 +13,16 @@ description: |-
   IMX258 is a diagonal 5.867mm (Type 1/3.06) 13 Mega-pixel CMOS active pixel
   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.
+  CSI-2. The sensor exists in two different models, a standard variant
+  (IMX258) and a variant with phase detection autofocus (IMX258-PDAF).
+  The camera module does not expose the model through registers, so the
+  exact model needs to be specified.
 
 properties:
   compatible:
-    const: sony,imx258
+    enum:
+      - sony,imx258
+      - sony,imx258-pdaf
 
   assigned-clocks: true
   assigned-clock-parents: true
-- 
2.44.0