linux-kernel - [PATCH v6 6/9] dt-bindings: clock: nxp,imx95-blk-ctl: Add ldb child node

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Message-ID: <20251103-dcif-upstreaming-v6-6-76fcecfda919@oss.nxp.com>
Date: Mon,  3 Nov 2025 15:30:50 +0000
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 v6 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.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
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..85d64c4daf4c96372e4171737b6954c3941566ba 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 +45,11 @@ 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#
+
 required:
   - compatible
   - reg
@@ -46,6 +57,21 @@ required:
   - power-domains
   - clocks
 
+allOf:
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              const: nxp,imx94-lvds-csr
+    then:
+      patternProperties:
+        "^ldb@[0-9a-f]+$": false
+    else:
+      required:
+        - '#address-cells'
+        - '#size-cells'
+
 additionalProperties: false
 
 examples:

-- 
2.49.0