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Message-Id: <20211009025858.3326725-1-osk@google.com>
Date: Fri, 8 Oct 2021 22:58:57 -0400
From: Oskar Senft <osk@...gle.com>
To: Jean Delvare <jdelvare@...e.com>,
Guenter Roeck <linux@...ck-us.net>,
Rob Herring <robh+dt@...nel.org>, linux-hwmon@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Cc: Oskar Senft <osk@...gle.com>
Subject: [PATCH v4 1/2] dt-bindings: hwmon: Add nct7802 bindings
Document bindings for the Nuvoton NCT7802Y driver.
Signed-off-by: Oskar Senft <osk@...gle.com>
---
.../bindings/hwmon/nuvoton,nct7802.yaml | 142 ++++++++++++++++++
1 file changed, 142 insertions(+)
create mode 100644 Documentation/devicetree/bindings/hwmon/nuvoton,nct7802.yaml
diff --git a/Documentation/devicetree/bindings/hwmon/nuvoton,nct7802.yaml b/Documentation/devicetree/bindings/hwmon/nuvoton,nct7802.yaml
new file mode 100644
index 000000000000..a97b89d0d197
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/nuvoton,nct7802.yaml
@@ -0,0 +1,142 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/hwmon/nuvoton,nct7802.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton NCT7802Y Hardware Monitoring IC
+
+maintainers:
+ - Guenter Roeck <linux@...ck-us.net>
+
+description: |
+ The NCT7802Y is a hardware monitor IC which supports one on-die and up to
+ 5 remote temperature sensors with SMBus interface.
+
+ Datasheets:
+ https://www.nuvoton.com/export/resource-files/Nuvoton_NCT7802Y_Datasheet_V12.pdf
+
+properties:
+ compatible:
+ enum:
+ - nuvoton,nct7802
+
+ reg:
+ maxItems: 1
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ input@0:
+ type: object
+ description: Local Temperature Sensor ("LTD")
+ properties:
+ reg:
+ const: 0
+ required:
+ - reg
+
+ input@1:
+ type: object
+ description: Remote Temperature Sensor or Voltage Sensor ("RTD1")
+ properties:
+ reg:
+ const: 1
+ sensor-type:
+ items:
+ - enum:
+ - temperature
+ - voltage
+ temperature-mode:
+ items:
+ - enum:
+ - thermistor
+ - thermal-diode
+ required:
+ - reg
+ - sensor-type
+
+ input@2:
+ type: object
+ description: Remote Temperature Sensor or Voltage Sensor ("RTD2")
+ properties:
+ reg:
+ const: 2
+ sensor-type:
+ items:
+ - enum:
+ - temperature
+ - voltage
+ temperature-mode:
+ items:
+ - enum:
+ - thermistor
+ - thermal-diode
+ required:
+ - reg
+ - sensor-type
+
+ input@3:
+ type: object
+ description: Remote Temperature Sensor or Voltage Sensor ("RTD3")
+ properties:
+ reg:
+ const: 3
+ sensor-type:
+ items:
+ - enum:
+ - temperature
+ - voltage
+ required:
+ - reg
+ - sensor-type
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ nct7802@28 {
+ compatible = "nuvoton,nct7802";
+ reg = <0x28>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ input@0 { /* LTD */
+ reg = <0>;
+ status = "okay";
+ };
+
+ input@1 { /* RTD1 */
+ reg = <1>;
+ status = "okay";
+ sensor-type = "temperature";
+ temperature-mode = "thermistor";
+ };
+
+ input@2 { /* RTD2 */
+ reg = <2>;
+ status = "okay";
+ sensor-type = "temperature";
+ temperature-mode = "thermal-diode";
+ };
+
+ input@3 { /* RTD3 */
+ reg = <3>;
+ status = "okay";
+ sensor-type = "voltage";
+ };
+ };
+ };
--
2.33.0.882.g93a45727a2-goog
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