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Date:   Fri, 10 Sep 2021 09:03:37 -0400
Message-Id: <20210910130337.2025426-1-osk@google.com>
Mime-Version: 1.0
Subject: [PATCH] dt-bindings: hwmon: Add nct7802 bindings
From:   Oskar Senft <osk@google.com>
To:     linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Cc:     Jean Delvare <jdelvare@suse.com>,
        Guenter Roeck <linux@roeck-us.net>,
        Rob Herring <robh+dt@kernel.org>, Oskar Senft <osk@google.com>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

Document bindings for the Nuvoton NCT7802Y driver.

Signed-off-by: Oskar Senft <osk@google.com>
---
 .../bindings/hwmon/nuvoton,nct7802.yaml       | 66 +++++++++++++++++++
 1 file changed, 66 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..bc4b69aeb116
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/nuvoton,nct7802.yaml
@@ -0,0 +1,66 @@
+# 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@roeck-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
+
+  nuvoton,rtd-modes:
+    description: |
+      Select modes for the three RTDs.
+
+      The order is RTD1, RTD2, RTD3.
+
+      Valid values for RTD1 and RTD2 are:
+        "closed",
+        "current",
+        "thermistor",
+        "voltage"
+
+      Valid values for RTD3 are:
+        "closed",
+        "thermistor",
+        "voltage"
+    type: stringlist
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        nct7802@28 {
+            compatible = "nuvoton,nct7802";
+            reg = <0x28>;
+            nuvoton,sensor-modes =
+              /* RTD1 */ "thermistor",
+              /* RTD2 */ "voltage",
+              /* RTD3 */ "closed";
+        };
+    };
-- 
2.33.0.309.g3052b89438-goog