Thread (19 messages) 19 messages, 3 authors, 2025-10-09

Re: [PATCH 1/2] dt-bindings: clock: airoha: Add reset support to EN7523 clock binding

From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: 2025-09-24 08:27:08
Also in: linux-clk, linux-devicetree, linux-mediatek, lkml

Il 24/09/25 08:05, Mikhail Kshevetskiy ha scritto:
quoted hunk ↗ jump to hunk
Introduce reset capability to EN7523 device-tree clock binding
documentation. Also this patch makes mandatory '#reset-cells'
property for EN7523 SoC dts.

Signed-off-by: Mikhail Kshevetskiy <redacted>
---
  .../bindings/clock/airoha,en7523-scu.yaml     |  4 +-
  .../dt-bindings/reset/airoha,en7523-reset.h   | 61 +++++++++++++++++++
  2 files changed, 63 insertions(+), 2 deletions(-)
  create mode 100644 include/dt-bindings/reset/airoha,en7523-reset.h
diff --git a/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml b/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml
index fe2c5c1baf43..a0df16485300 100644
--- a/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml
+++ b/Documentation/devicetree/bindings/clock/airoha,en7523-scu.yaml
@@ -53,6 +53,7 @@ required:
    - compatible
    - reg
    - '#clock-cells'
+  - '#reset-cells'
I can't find any reason why #reset-cells should be a required property: this is a
clock controller, it doesn't necessarily have to provide resets, and you don't
necessarily have to use resets, so this shall not be a required property.

quoted hunk ↗ jump to hunk
  
  allOf:
    - if:
@@ -64,8 +65,6 @@ allOf:
          reg:
            minItems: 2
  
-        '#reset-cells': false
-
    - if:
        properties:
          compatible:
@@ -85,6 +84,7 @@ examples:
        reg = <0x1fa20000 0x400>,
              <0x1fb00000 0x1000>;
        #clock-cells = <1>;
+      #reset-cells = <1>;
      };
  
    - |
Regards,
Angelo
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