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Thu, 15 Jan 2026 03:01:20 +0000 From: Nick Xie To: neil.armstrong@linaro.org, khilman@baylibre.com, jbrunet@baylibre.com, martin.blumenstingl@googlemail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org Cc: xianwei.zhao@amlogic.com, christianshewitt@gmail.com, krzk+dt@kernel.org, robh@kernel.org, conor+dt@kernel.org, nick@xieqinick.com, Nick Xie Subject: [PATCH v3 1/3] dt-bindings: arm: amlogic: introduce specific compatibles for S4 family Date: Thu, 15 Jan 2026 11:00:13 +0800 Message-Id: <20260115030015.1334517-2-nick@khadas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260115030015.1334517-1-nick@khadas.com> References: <20260115030015.1334517-1-nick@khadas.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SG2P153CA0002.APCP153.PROD.OUTLOOK.COM (2603:1096::12) To PS1PPF62EEA9B1D.apcprd03.prod.outlook.com (2603:1096:308::2da) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PS1PPF62EEA9B1D:EE_|TYZPR03MB8614:EE_ X-MS-Office365-Filtering-Correlation-Id: 41bc4d8d-fcc5-4abe-d364-08de53e25c01 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|52116014|376014|7416014|366016|38350700014; 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charset="utf-8" The Amlogic S4 SoC family includes multiple variants, such as the S805X2 and S905Y4. Currently, the bindings only define the generic "amlogic,s4" compatible. This patch introduces specific compatibles "amlogic,s805x2" and "amlogic,s905y4" to properly differentiate these SoCs while keeping "amlogic,s4" as the family fallback. This allows for more precise hardware description and future-proofing if SoC-specific quirks arise. Signed-off-by: Nick Xie Reviewed-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/arm/amlogic.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/amlogic.yaml b/Documenta= tion/devicetree/bindings/arm/amlogic.yaml index 08d9963fe9259..a885278bc4e2e 100644 --- a/Documentation/devicetree/bindings/arm/amlogic.yaml +++ b/Documentation/devicetree/bindings/arm/amlogic.yaml @@ -245,6 +245,14 @@ properties: items: - enum: - amlogic,aq222 + - const: amlogic,s805x2 + - const: amlogic,s4 + + - description: Boards with the Amlogic Meson S4 S905Y4 SoC + items: + - enum: + - khadas,vim1s + - const: amlogic,s905y4 - const: amlogic,s4 =20 - description: Boards with the Amlogic S6 S905X5 SoC --=20 2.34.1