linux-kernel - [PATCH 5/6] media: dt-bindings: add NXP i.MX93 compatible string

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Message-Id: <20260210-imx93-dw-csi2-v1-5-69667bb86bfa@nxp.com>
Date: Tue, 10 Feb 2026 12:11:12 -0500
From: Frank Li <Frank.Li@....com>
To: Michael Riesch <michael.riesch@...labora.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, Guoniu Zhou <guoniu.zhou@....nxp.com>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, imx@...ts.linux.dev, 
 Frank Li <Frank.Li@....com>
Subject: [PATCH 5/6] media: dt-bindings: add NXP i.MX93 compatible string

The i.MX93 uses the DW CSI-2 RX controller, which is similar to the
Rockchip RK3568 implementation.

The i.MX93 variant provides one IRQ, two clocks, and no resets. Add the
"fsl,imx93-mipi-csi2" compatible string and keep the same constraints for
rk3568.

Signed-off-by: Frank Li <Frank.Li@....com>
---
 .../bindings/media/rockchip,rk3568-mipi-csi2.yaml  | 47 +++++++++++++++++++++-
 1 file changed, 45 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/rockchip,rk3568-mipi-csi2.yaml b/Documentation/devicetree/bindings/media/rockchip,rk3568-mipi-csi2.yaml
index 2c2bd87582eb8bfdd13720edd62a5f00dda958ba..4ac4a3b6f406408b9524c795e6cdeb117d3353da 100644
--- a/Documentation/devicetree/bindings/media/rockchip,rk3568-mipi-csi2.yaml
+++ b/Documentation/devicetree/bindings/media/rockchip,rk3568-mipi-csi2.yaml
@@ -17,6 +17,7 @@ description:
 properties:
   compatible:
     enum:
+      - fsl,imx93-mipi-csi2
       - rockchip,rk3568-mipi-csi2
 
   reg:
@@ -26,14 +27,23 @@ properties:
     items:
       - description: Interrupt that signals changes in CSI2HOST_ERR1.
       - description: Interrupt that signals changes in CSI2HOST_ERR2.
+    minItems: 1
 
   interrupt-names:
     items:
       - const: err1
       - const: err2
+    minItems: 1
 
   clocks:
-    maxItems: 1
+    minItems: 1
+    maxItems: 2
+
+  clock-names:
+    items:
+      - const: per
+      - const: pixel
+    minItems: 1
 
   phys:
     maxItems: 1
@@ -88,10 +98,43 @@ required:
   - phys
   - ports
   - power-domains
-  - resets
 
 additionalProperties: false
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: rockchip,rk3568-mipi-csi2
+    then:
+      properties:
+        interrupts:
+          minItems: 2
+        interrupt-names:
+          minItems: 2
+        clocks:
+          maxItems: 1
+        clock-names:
+          maxItems: 1
+      required:
+        - resets
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: fsl,imx93-mipi-csi2
+    then:
+      properties:
+        interrupts:
+          maxItems: 1
+        interrupt-names: false
+        clocks:
+          minItems: 2
+        clock-names:
+          minItems: 2
+
 examples:
   - |
     #include <dt-bindings/clock/rk3568-cru.h>

-- 
2.43.0