linux-kernel - [PATCH v23 1/3] dt-bindings: clock: npcm845: Add reference 25m clock property

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Message-ID: <20240131182653.2673554-2-tmaimon77@gmail.com>
Date: Wed, 31 Jan 2024 20:26:51 +0200
From: Tomer Maimon <tmaimon77@...il.com>
To: <mturquette@...libre.com>, <sboyd@...nel.org>, <robh+dt@...nel.org>,
	<krzysztof.kozlowski+dt@...aro.org>, <tali.perry1@...il.com>,
	<joel@....id.au>, <venture@...gle.com>, <yuenn@...gle.com>,
	<benjaminfair@...gle.com>
CC: <openbmc@...ts.ozlabs.org>, <linux-clk@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>, Tomer Maimon
	<tmaimon77@...il.com>
Subject: [PATCH v23 1/3] dt-bindings: clock: npcm845: Add reference 25m clock property

The NPCM8XX clock driver uses a 25Mhz external clock, therefore adding
clock property.

The new required clock property does not break the NPCM8XX clock ABI
since the NPCM8XX clock driver hasn't merged yet to the Linux vanilla.

Signed-off-by: Tomer Maimon <tmaimon77@...il.com>
---
 .../bindings/clock/nuvoton,npcm845-clk.yaml          | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml b/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml
index b901ca13cd25..7060891d0c32 100644
--- a/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml
+++ b/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml
@@ -21,6 +21,14 @@ properties:
   reg:
     maxItems: 1
 
+  clocks:
+    items:
+      - description: 25Mhz reference clock
+
+  clock-names:
+    items:
+      - const: refclk
+
   '#clock-cells':
     const: 1
     description:
@@ -30,6 +38,8 @@ properties:
 required:
   - compatible
   - reg
+  - clocks
+  - clock-names
   - '#clock-cells'
 
 additionalProperties: false
@@ -44,6 +54,8 @@ examples:
             compatible = "nuvoton,npcm845-clk";
             reg = <0x0 0xf0801000 0x0 0x1000>;
             #clock-cells = <1>;
+            clocks = <&refclk>;
+            clock-names = "refclk";
         };
     };
 ...
-- 
2.34.1