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Tue, 3 Jan 2023 11:43:23 +0000 From: haibo.chen@nxp.com To: jic23@kernel.org, lars@metafoo.de, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, haibo.chen@nxp.com, linux-iio@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v5 2/3] dt-bindings: iio: adc: Add NXP IMX93 ADC Date: Tue, 3 Jan 2023 19:43:57 +0800 Message-Id: <20230103114359.2663262-3-haibo.chen@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230103114359.2663262-1-haibo.chen@nxp.com> References: <20230103114359.2663262-1-haibo.chen@nxp.com> X-ClientProxiedBy: SG2PR06CA0240.apcprd06.prod.outlook.com (2603:1096:4:ac::24) To DB7PR04MB4010.eurprd04.prod.outlook.com (2603:10a6:5:21::30) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB7PR04MB4010:EE_|AM7PR04MB7013:EE_ X-MS-Office365-Filtering-Correlation-Id: c56c9113-62a2-4da7-9342-08daed7fb85f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Reviewed-by: Rob Herring Signed-off-by: Haibo Chen --- .../bindings/iio/adc/nxp,imx93-adc.yaml | 81 +++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml b/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml new file mode 100644 index 000000000000..dacc526dc695 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml @@ -0,0 +1,81 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/nxp,imx93-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP iMX93 ADC + +maintainers: + - Haibo Chen + +description: + The ADC on iMX93 is a 8-channel 12-bit 1MS/s ADC with 4 channels + connected to pins. it support normal and inject mode, include + One-Shot and Scan (continuous) conversions. Programmable DMA + enables for each channel Also this ADC contain alternate analog + watchdog thresholds, select threshold through input ports. And + also has Self-test logic and Software-initiated calibration. + +properties: + compatible: + const: nxp,imx93-adc + + reg: + maxItems: 1 + + interrupts: + items: + - description: WDGnL, watchdog threshold interrupt requests. + - description: WDGnH, watchdog threshold interrupt requests. + - description: normal conversion, include EOC (End of Conversion), + ECH (End of Chain), JEOC (End of Injected Conversion) and + JECH (End of injected Chain). + - description: Self-testing Interrupts. + + clocks: + maxItems: 1 + + clock-names: + const: ipg + + vref-supply: + description: + The reference voltage which used to establish channel scaling. + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - vref-supply + - "#io-channel-cells" + +additionalProperties: false + +examples: + - | + #include + #include + #include + soc { + #address-cells = <1>; + #size-cells = <1>; + adc@44530000 { + compatible = "nxp,imx93-adc"; + reg = <0x44530000 0x10000>; + interrupts = , + , + , + ; + clocks = <&clk IMX93_CLK_ADC1_GATE>; + clock-names = "ipg"; + vref-supply = <®_vref_1v8>; + #io-channel-cells = <1>; + }; + }; +...