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Tue, 21 Jul 2026 02:59:48 -0700 (PDT) From: Svyatoslav Ryhel To: Jean Delvare , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Svyatoslav Ryhel Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/3] dt-bindings: hwmon: Document SMSC EMC1402/1403/1404/1428 Date: Tue, 21 Jul 2026 12:59:33 +0300 Message-ID: <20260721095935.439174-2-clamor95@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260721095935.439174-1-clamor95@gmail.com> References: <20260721095935.439174-1-clamor95@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Document the basic hardware layout of SMSC (now Microchip) EMC1402/1403/1404/1428 thermal sensors. Signed-off-by: Svyatoslav Ryhel --- .../bindings/hwmon/smsc,emc1403.yaml | 203 ++++++++++++++++++ 1 file changed, 203 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/smsc,emc1403.yaml diff --git a/Documentation/devicetree/bindings/hwmon/smsc,emc1403.yaml b/Documentation/devicetree/bindings/hwmon/smsc,emc1403.yaml new file mode 100644 index 0000000000000..d7873a37c3295 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/smsc,emc1403.yaml @@ -0,0 +1,203 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/smsc,emc1403.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SMSC EMC1402/1403/1404/1428 thermal sensors + +maintainers: + - Svyatoslav Ryhel + +properties: + compatible: + oneOf: + - enum: + - smsc,emc1402 + - smsc,emc1403 + - smsc,emc1404 + - smsc,emc1428 + + - items: + - enum: + - smsc,emc1412 + - smsc,emc1422 + - smsc,emc1442 + - const: smsc,emc1402 + + - items: + - enum: + - smsc,emc1413 + - smsc,emc1423 + - const: smsc,emc1403 + + - items: + - enum: + - smsc,emc1414 + - smsc,emc1424 + - const: smsc,emc1404 + + - items: + - enum: + - smsc,emc1438 + - const: smsc,emc1428 + + interrupts: + items: + - description: Sensors "ALERT" pin output. + + reg: + maxItems: 1 + + "#thermal-sensor-cells": + const: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + vdd-supply: true + +required: + - compatible + - reg + +patternProperties: + "^channel@([0-7])$": + type: object + description: Represents channels of the device and their specific configuration. + + properties: + reg: + description: The channel number. 0 is local channel, 1-7 are remote channels. + items: + minimum: 0 + maximum: 7 + + label: + description: A descriptive name for this channel, like "ambient" or "psu". + + required: + - reg + + additionalProperties: false + +allOf: + - if: + properties: + compatible: + contains: + enum: + - smsc,emc1402 + then: + patternProperties: + "^channel@([0-7])$": + properties: + reg: + items: + maximum: 1 + + - if: + properties: + compatible: + contains: + enum: + - smsc,emc1403 + then: + patternProperties: + "^channel@([0-7])$": + properties: + reg: + items: + maximum: 2 + + - if: + properties: + compatible: + contains: + enum: + - smsc,emc1404 + then: + patternProperties: + "^channel@([0-7])$": + properties: + reg: + items: + maximum: 3 + +additionalProperties: false + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + sensor@4c { + compatible = "smsc,emc1412", "smsc,emc1402"; + reg = <0x4c>; + + interrupt-parent = <&gpio>; + interrupts = <4 IRQ_TYPE_LEVEL_LOW>; + + vdd-supply = <&vdd_3v3_sys>; + #thermal-sensor-cells = <1>; + }; + }; + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + sensor@29 { + compatible = "smsc,emc1428"; + reg = <0x29>; + + #address-cells = <1>; + #size-cells = <0>; + + channel@0 { + reg = <0x0>; + label = "local"; + }; + + channel@1 { + reg = <0x1>; + label = "chan1"; + }; + + channel@2 { + reg = <0x2>; + label = "chan2"; + }; + + channel@3 { + reg = <0x3>; + label = "chan3"; + }; + + channel@4 { + reg = <0x4>; + label = "chan4"; + }; + + channel@5 { + reg = <0x5>; + label = "chan5"; + }; + + channel@6 { + reg = <0x6>; + label = "chan6"; + }; + + channel@7 { + reg = <0x7>; + label = "chan7"; + }; + }; + }; -- 2.53.0