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client-ip=165.204.84.17; helo=satlexmb08.amd.com; pr=C Received: from satlexmb08.amd.com (165.204.84.17) by MW1PEPF0001615B.mail.protection.outlook.com (10.167.249.86) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9700.0 via Frontend Transport; Thu, 5 Mar 2026 15:40:14 +0000 Received: from satlexmb08.amd.com (10.181.42.217) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Thu, 5 Mar 2026 09:40:06 -0600 Received: from localhost (10.180.168.240) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17 via Frontend Transport; Thu, 5 Mar 2026 09:40:05 -0600 From: Michal Simek To: , , , CC: Conor Dooley , Krzysztof Kozlowski , Michael Turquette , "Rob Herring" , Stephen Boyd , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "open list:COMMON CLK FRAMEWORK" Subject: [PATCH 1/2] dt-bindings: clock: versal-clk: Reorder if/then conditions for Versal NET Date: Thu, 5 Mar 2026 16:39:49 +0100 Message-ID: <7241fe512ff677f7aa5b7212ae4056fba01f1f59.1772725183.git.michal.simek@amd.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; 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charset="utf-8" The Versal NET clock controller compatible is specified as: compatible =3D "xlnx,versal-net-clk", "xlnx,versal-clk"; with xlnx,versal-clk listed as fallback. The original binding had two separate if/then blocks - one matching xlnx,versal-clk (2 clocks) and another matching xlnx,versal-net-clk (3 clocks). Since both compatible strings are present, both conditions matched simultaneously and JSON Schema applied the more restrictive 2-clock constraint, causing false "too long" validation errors for Versal NET. Restructure the allOf conditions to check for xlnx,versal-net-clk first. If matched, allow 3 clocks (ref, pl_alt_ref, alt_ref). Otherwise fall back to the xlnx,versal-clk case with 2 clocks (ref, pl_alt_ref). Add a dedicated example for the Versal NET 3-clock configuration and split all examples into separate blocks so each compatible variant is validated independently by dt_binding_check. Signed-off-by: Michal Simek --- .../bindings/clock/xlnx,versal-clk.yaml | 49 ++++++++++--------- 1 file changed, 27 insertions(+), 22 deletions(-) diff --git a/Documentation/devicetree/bindings/clock/xlnx,versal-clk.yaml b= /Documentation/devicetree/bindings/clock/xlnx,versal-clk.yaml index bef109d163a8..65d926d8f464 100644 --- a/Documentation/devicetree/bindings/clock/xlnx,versal-clk.yaml +++ b/Documentation/devicetree/bindings/clock/xlnx,versal-clk.yaml @@ -51,28 +51,7 @@ allOf: properties: compatible: contains: - enum: - - xlnx,versal-clk - - then: - properties: - clocks: - items: - - description: reference clock - - description: alternate reference clock for programmable logic - - clock-names: - items: - - const: ref - - const: pl_alt_ref - - - if: - properties: - compatible: - contains: - enum: - - xlnx,versal-net-clk - + const: xlnx,versal-net-clk then: properties: clocks: @@ -86,6 +65,23 @@ allOf: - const: ref - const: pl_alt_ref - const: alt_ref + else: + if: + properties: + compatible: + contains: + const: xlnx,versal-clk + then: + properties: + clocks: + items: + - description: reference clock + - description: alternate reference clock for programmable lo= gic + + clock-names: + items: + - const: ref + - const: pl_alt_ref =20 - if: properties: @@ -135,6 +131,15 @@ examples: }; }; =20 + - | + clock-controller { + #clock-cells =3D <1>; + compatible =3D "xlnx,versal-net-clk", "xlnx,versal-clk"; + clocks =3D <&ref>, <&pl_alt_ref>, <&alt_ref>; + clock-names =3D "ref", "pl_alt_ref", "alt_ref"; + }; + + - | clock-controller { #clock-cells =3D <1>; compatible =3D "xlnx,zynqmp-clk"; --=20 2.43.0