linux-kernel - [PATCH v5 6/9] dt-bindings: clock: nxp,imx95-blk-ctl: Add ldb child node

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Message-Id: <20250911-dcif-upstreaming-v5-6-a1e8dab8ae40@oss.nxp.com>
Date: Thu, 11 Sep 2025 14:37:06 +0300
From: Laurentiu Palcu <laurentiu.palcu@....nxp.com>
To: imx@...ts.linux.dev,
	Abel Vesa <abelvesa@...nel.org>,
	Peng Fan <peng.fan@....com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>
Cc: dri-devel@...ts.freedesktop.org,
	Laurentiu Palcu <laurentiu.palcu@....nxp.com>,
	linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v5 6/9] dt-bindings: clock: nxp,imx95-blk-ctl: Add ldb child node

Since the BLK CTL registers, like the LVDS CSR, can be used to control the
LVDS Display Bridge controllers, add 'ldb' child node to handle
these use cases.

Signed-off-by: Laurentiu Palcu <laurentiu.palcu@....nxp.com>
---
 .../bindings/clock/nxp,imx95-blk-ctl.yaml          | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/nxp,imx95-blk-ctl.yaml b/Documentation/devicetree/bindings/clock/nxp,imx95-blk-ctl.yaml
index 27403b4c52d6219d31649d75539af93edae0f17d..d4a20d17fc5758453e9c59c94893380ccb34f3de 100644
--- a/Documentation/devicetree/bindings/clock/nxp,imx95-blk-ctl.yaml
+++ b/Documentation/devicetree/bindings/clock/nxp,imx95-blk-ctl.yaml
@@ -26,6 +26,12 @@ properties:
   reg:
     maxItems: 1
 
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 1
+
   power-domains:
     maxItems: 1
 
@@ -39,6 +45,26 @@ properties:
       ID in its "clocks" phandle cell. See
       include/dt-bindings/clock/nxp,imx95-clock.h
 
+patternProperties:
+  "^ldb@[0-9a-f]+$":
+    type: object
+    $ref: /schemas/display/bridge/fsl,ldb.yaml#
+
+allOf:
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              const: nxp,imx94-lvds-csr
+    then:
+      patternProperties:
+        "^ldb@[0-9a-f]+$": false
+    else:
+      required:
+        - '#address-cells'
+        - '#size-cells'
+
 required:
   - compatible
   - reg

-- 
2.49.0