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Sat, 28 Feb 2026 06:58:53 +0000 From: Nick Xie To: neil.armstrong@linaro.org, khilman@baylibre.com, martin.blumenstingl@googlemail.com, jbrunet@baylibre.com, krzk+dt@kernel.org, jic23@kernel.org, dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org Cc: linux-iio@vger.kernel.org, robh@kernel.org, conor+dt@kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, xieqinick@gmail.com, Nick Xie Subject: [PATCH v1 0/4] iio: adc: meson-saradc: add support for Meson S4 Date: Sat, 28 Feb 2026 14:58:36 +0800 Message-Id: <20260228065840.702651-1-nick@khadas.com> X-Mailer: git-send-email 2.34.1 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: TY4PR01CA0055.jpnprd01.prod.outlook.com (2603:1096:405:372::11) To PS1PPF62EEA9B1D.apcprd03.prod.outlook.com (2603:1096:308::2da) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PS1PPF62EEA9B1D:EE_|SEYPR03MB6722:EE_ X-MS-Office365-Filtering-Correlation-Id: 463e4fe8-6dfd-4166-b09b-08de7696d55f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|7416014|52116014|376014|366016|38350700014; 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Following discussions in a previous board-enablement thread [1], a dedicated compatible string ("amlogic,meson-s4-saradc") is introduced. While the hardware currently operates perfectly using the G12A parameter set, defining an S4-specific string ensures forward compatibility should any S4-specific quirks or BL30 integration differences be discovered in the future. [1] https://lore.kernel.org/linux-amlogic/20260123022258.136448-1-nick@khadas.com/ Nick Xie (4): dt-bindings: iio: adc: amlogic,meson-saradc: add S4 compatible iio: adc: meson-saradc: add support for Meson S4 arm64: dts: amlogic: meson-s4: add internal SARADC controller arm64: dts: amlogic: meson-s4-s905y4-khadas-vim1s: add Function key support .../iio/adc/amlogic,meson-saradc.yaml | 1 + .../amlogic/meson-s4-s905y4-khadas-vim1s.dts | 19 +++++++++++++++++++ arch/arm64/boot/dts/amlogic/meson-s4.dtsi | 14 ++++++++++++++ drivers/iio/adc/meson_saradc.c | 8 ++++++++ 4 files changed, 42 insertions(+) -- 2.34.1