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Mon, 23 Mar 2026 01:34:56 +0000 From: Nick Xie To: neil.armstrong@linaro.org, khilman@baylibre.com, martin.blumenstingl@googlemail.com, jbrunet@baylibre.com, jic23@kernel.org, dlechner@baylibre.com, andy@kernel.org Cc: krzk+dt@kernel.org, robh@kernel.org, conor+dt@kernel.org, linux-iio@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Xie Subject: [PATCH v2 1/4] dt-bindings: iio: adc: amlogic,meson-saradc: add S4 compatible Date: Mon, 23 Mar 2026 09:34:05 +0800 Message-Id: <20260323013408.429701-2-nick@khadas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260323013408.429701-1-nick@khadas.com> References: <20260323013408.429701-1-nick@khadas.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: TP0P295CA0047.TWNP295.PROD.OUTLOOK.COM (2603:1096:910:3::13) To PS1PPF62EEA9B1D.apcprd03.prod.outlook.com (2603:1096:308::2da) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PS1PPF62EEA9B1D:EE_|KL1PR03MB8142:EE_ X-MS-Office365-Filtering-Correlation-Id: 8e98a543-a157-4ed7-efe7-08de887c63d6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|376014|52116014|7416014|38350700014|18002099003|22082099003|56012099003; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add the compatible string for the SARADC (Successive Approximation Register ADC) IP block found in the Amlogic Meson S4 SoC. There are no known differences between the SARADC on S4 and the one on G12A. Therefore, it uses "amlogic,meson-g12a-saradc" as a proper specific fallback. Signed-off-by: Nick Xie --- .../devicetree/bindings/iio/adc/amlogic,meson-saradc.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.yaml b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.yaml index bb9825e7346dd..70ab4e140e71b 100644 --- a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.yaml @@ -27,7 +27,11 @@ properties: - amlogic,meson-gxm-saradc - amlogic,meson-axg-saradc - amlogic,meson-g12a-saradc + # Usage of this generic fallback is not allowed for new devices - const: amlogic,meson-saradc + - items: + - const: amlogic,meson-s4-saradc + - const: amlogic,meson-g12a-saradc reg: maxItems: 1 -- 2.34.1