linux-kernel - [PATCH 1/3] dt-bindings: dsp: support imx8ulp dsp clocks

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Date: Thu, 18 Apr 2024 23:37:18 +0300
From: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>
To: 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>,
	Daniel Baluta <daniel.baluta@....com>,
	Shengjiu Wang <shengjiu.wang@....com>,
	Liu Ying <victor.liu@....com>
Cc: Laurentiu Mihalcea <laurentiu.mihalcea@....com>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 1/3] dt-bindings: dsp: support imx8ulp dsp clocks

From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>

i.MX8ULP DSP node needs a MU clock, but doesn't need
a debug clock. Change "clocks" and "clock-names" properties
to allow for this case.

Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
---
 .../devicetree/bindings/dsp/fsl,dsp.yaml      | 51 ++++++++++++++-----
 1 file changed, 39 insertions(+), 12 deletions(-)

diff --git a/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml b/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml
index 9af40da5688e..4a39d57b1cc6 100644
--- a/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml
+++ b/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml
@@ -30,22 +30,12 @@ properties:
     maxItems: 1
 
   clocks:
-    items:
-      - description: ipg clock
-      - description: ocram clock
-      - description: core clock
-      - description: debug interface clock
-      - description: message unit clock
     minItems: 3
+    maxItems: 5
 
   clock-names:
-    items:
-      - const: ipg
-      - const: ocram
-      - const: core
-      - const: debug
-      - const: mu
     minItems: 3
+    maxItems: 5
 
   power-domains:
     description:
@@ -93,6 +83,43 @@ required:
   - memory-region
 
 allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: fsl,imx8ulp-hifi4
+    then:
+      properties:
+        clocks:
+          items:
+            - description: ipg clock
+            - description: ocram clock
+            - description: core clock
+            - description: message unit clock
+        clock-names:
+          items:
+            - const: ipg
+            - const: ocram
+            - const: core
+            - const: mu
+    else:
+      properties:
+        clocks:
+          items:
+            - description: ipg clock
+            - description: ocram clock
+            - description: core clock
+            - description: debug interface clock
+            - description: message unit clock
+          minItems: 3
+        clock-names:
+          items:
+            - const: ipg
+            - const: ocram
+            - const: core
+            - const: debug
+            - const: mu
+          minItems: 3
   - if:
       properties:
         compatible:
-- 
2.34.1