linux-kernel - [PATCH v3 06/12] media: dt-bindings: nxp,imx8mq-mipi-csi2: Add i.MX8QM(QXP) compatible strings

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Message-Id: <20250210-8qxp_camera-v3-6-324f5105accc@nxp.com>
Date: Mon, 10 Feb 2025 15:59:25 -0500
From: Frank Li <Frank.Li@....com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Dong Aisheng <aisheng.dong@....com>, 
 Philipp Zabel <p.zabel@...gutronix.de>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Rui Miguel Silva <rmfrfs@...il.com>, Martin Kepplinger <martink@...teo.de>, 
 Purism Kernel Team <kernel@...i.sm>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 linux-media@...r.kernel.org, Robert Chiras <robert.chiras@....com>, 
 "Guoniu.zhou" <guoniu.zhou@....com>, Frank Li <Frank.Li@....com>
Subject: [PATCH v3 06/12] media: dt-bindings: nxp,imx8mq-mipi-csi2: Add
 i.MX8QM(QXP) compatible strings

From: Robert Chiras <robert.chiras@....com>

Add compatible strings for i.MX8QM/i.MX8QXP platform. Remove
fsl,mipi-phy-gpr from required properties and add new reg space, since
i.MX8QM and i.MX8QXP use dedicate control and status register(csr) space.

Keep the same restriction for other compatible strings.

Signed-off-by: Robert Chiras <robert.chiras@....com>
Signed-off-by: Frank Li <Frank.Li@....com>
---
change from v2 to v3
- use dedicate csr register space
change from v1 to v2
- remove internal review tags
- remove reg maxitems:1
- remove 8ulp part
- add 8qxp compatible string and make 8qm failback to 8qxp
- limit reset and power domain number to 1 for 8qxp and 8qm
- remove power-domains change because 8qm/8qxp only need 1 power domain
---
 .../bindings/media/nxp,imx8mq-mipi-csi2.yaml       | 38 +++++++++++++++++++---
 1 file changed, 34 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
index 2a14e3b0e0040..522449e50079e 100644
--- a/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
+++ b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
@@ -16,11 +16,19 @@ description: |-
 
 properties:
   compatible:
-    enum:
-      - fsl,imx8mq-mipi-csi2
+    oneOf:
+      - enum:
+          - fsl,imx8mq-mipi-csi2
+          - fsl,imx8qxp-mipi-csi2
+      - items:
+          - const: fsl,imx8qm-mipi-csi2
+          - const: fsl,imx8qxp-mipi-csi2
 
   reg:
-    maxItems: 1
+    items:
+      - description: mipi csi2 rx host controller register.
+      - description: mipi csi2 control and status register (csr).
+    minItems: 1
 
   clocks:
     items:
@@ -46,6 +54,7 @@ properties:
       - description: CORE_RESET reset register bit definition
       - description: PHY_REF_RESET reset register bit definition
       - description: ESC_RESET reset register bit definition
+    minItems: 1
 
   fsl,mipi-phy-gpr:
     description: |
@@ -113,9 +122,30 @@ required:
   - clock-names
   - power-domains
   - resets
-  - fsl,mipi-phy-gpr
   - ports
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - fsl,imx8qxp-mipi-csi2
+    then:
+      properties:
+        reg:
+          minItems: 2
+        resets:
+          maxItems: 1
+    else:
+      properties:
+        reg:
+          maxItems: 1
+        resets:
+          minItems: 3
+      required:
+        - fsl,mipi-phy-gpr
+
 additionalProperties: false
 
 examples:

-- 
2.34.1