Thread (13 messages) 13 messages, 5 authors, 2026-01-23
STALE186d

[PATCH 1/5] dt-bindings: clock: mediatek,mt7622-pciesys: Remove syscon compatible

From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: 2026-01-13 11:00:16
Also in: linux-arm-kernel, linux-clk, linux-mediatek, linux-pm, lkml
Subsystem: common clk framework, open firmware and flattened device tree bindings, the rest · Maintainers: Michael Turquette, Stephen Boyd, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds

The PCIESYS register space contains a pure clock controller, which
has no system controller register, so this definitely doesn't need
any "syscon" compatible.

As a side note, luckily no devicetree ever added the syscon string
to PCIESYS clock controller node compatibles, so this also resolves
a dtbs_check warning for mt7622.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 .../bindings/clock/mediatek,mt7622-pciesys.yaml        | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/clock/mediatek,mt7622-pciesys.yaml b/Documentation/devicetree/bindings/clock/mediatek,mt7622-pciesys.yaml
index 9c3913f9092c..c77111d10f90 100644
--- a/Documentation/devicetree/bindings/clock/mediatek,mt7622-pciesys.yaml
+++ b/Documentation/devicetree/bindings/clock/mediatek,mt7622-pciesys.yaml
@@ -14,11 +14,9 @@ maintainers:
 
 properties:
   compatible:
-    oneOf:
-      - items:
-          - const: mediatek,mt7622-pciesys
-          - const: syscon
-      - const: mediatek,mt7629-pciesys
+    enum:
+      - mediatek,mt7622-pciesys
+      - mediatek,mt7629-pciesys
 
   reg:
     maxItems: 1
@@ -40,7 +38,7 @@ additionalProperties: false
 examples:
   - |
     clock-controller@1a100800 {
-        compatible = "mediatek,mt7622-pciesys", "syscon";
+        compatible = "mediatek,mt7622-pciesys";
         reg = <0x1a100800 0x1000>;
         #clock-cells = <1>;
         #reset-cells = <1>;
-- 
2.52.0
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