linux-kernel - [PATCH 1/5] media: dt-bindings: nxp,imx8mq-mipi-csi2: Add i.MX8ULP compatible string

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Message-Id: <20250812081923.1019345-2-guoniu.zhou@oss.nxp.com>
Date: Tue, 12 Aug 2025 16:19:21 +0800
From: guoniu.zhou@....nxp.com
To: linux-media@...r.kernel.org,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: rmfrfs@...il.com,
	laurent.pinchart@...asonboard.com,
	martink@...teo.de,
	kernel@...i.sm,
	mchehab@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	frank.li@....com
Subject: [PATCH 1/5] media: dt-bindings: nxp,imx8mq-mipi-csi2: Add i.MX8ULP compatible string

From: Guoniu Zhou <guoniu.zhou@....com>

The CSI-2 receiver in the i.MX8ULP is almost identical to the
version present in the i.MX8QXP/QM. But have different reset
and clock design, so add a device-specific compatible string
for i.MX8ULP to handle the difference.

Signed-off-by: Guoniu Zhou <guoniu.zhou@....com>
---
 .../bindings/media/nxp,imx8mq-mipi-csi2.yaml  | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
index 3389bab266a9..83fdda2252e5 100644
--- a/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
+++ b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
@@ -20,6 +20,7 @@ properties:
       - enum:
           - fsl,imx8mq-mipi-csi2
           - fsl,imx8qxp-mipi-csi2
+          - fsl,imx8ulp-mipi-csi2
       - items:
           - const: fsl,imx8qm-mipi-csi2
           - const: fsl,imx8qxp-mipi-csi2
@@ -39,12 +40,17 @@ properties:
                      clock that the RX DPHY receives.
       - description: ui is the pixel clock (phy_ref up to 333Mhz).
                      See the reference manual for details.
+      - description: pclk is the lpav bus clock of i.MX8ULP.
+                     See the reference manual for details.
+    minItems: 3
 
   clock-names:
     items:
       - const: core
       - const: esc
       - const: ui
+      - const: pclk
+    minItems: 3
 
   power-domains:
     maxItems: 1
@@ -137,6 +143,23 @@ allOf:
           minItems: 2
         resets:
           maxItems: 1
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - fsl,imx8ulp-mipi-csi2
+    then:
+      properties:
+        reg:
+          minItems: 2
+        resets:
+          maxItems: 2
+        clocks:
+          minItems: 4
+        clock-names:
+          minItems: 4
     else:
       properties:
         reg:
-- 
2.34.1