[2/2] dt-bindings: hwmon: add renesas,isl28022

Commit Message

Carsten Spieß July 27, 2023, 7:48 p.m. UTC

Add dt-bindings for Renesas ISL28022 power monitor.

Signed-off-by: Carsten Spieß <[e-mail]>
---
 .../bindings/hwmon/renesas,isl28022.yaml      | 65 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 66 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/renesas,isl28022.yaml

Patch

diff --git a/Documentation/devicetree/bindings/hwmon/renesas,isl28022.yaml b/Documentation/devicetree/bindings/hwmon/renesas,isl28022.yaml
new file mode 100644
index 000000000000..1e0971287941
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/renesas,isl28022.yaml
@@ -0,0 +1,65 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/renesas,isl28022.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas ISL28022 power monitor
+
+maintainers:
+  - Carsten Spieß <[e-mail]>
+
+description: |
+  The ISL28022 is a power monitor with I2C interface. The device monitors
+  voltage, current via shunt resistor and calculated power.
+
+  Datasheets:
+    https://www.renesas.com/us/en/www/doc/datasheet/isl28022.pdf
+
+properties:
+  compatible:
+    enum:
+      - renesas,isl28022
+
+  reg:
+    maxItems: 1
+
+  shunt-resistor-micro-ohms:
+    description: |
+      Shunt resistor value in micro-Ohm
+    minimum: 800
+    default: 10000
+
+  renesas,shunt-range-microvolt:
+    description: |
+      Maximal shunt voltage range of +/- 40 mV, 80 mV, 160 mV or 320 mV
+    default: 320000
+    enum: [40000, 80000, 160000, 320000]
+
+  renesas,average-samples:
+    description: |
+      Number of samples to be used to report voltage, current and power values.
+    default: 1
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [1, 2, 4, 8, 16, 32, 64, 128]
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        power-monitor@40 {
+            compatible = "renesas,isl28022";
+            reg = <0x40>;
+            shunt-resistor-micro-ohms = <8000>;
+            renesas,shunt-range-microvolt = <40000>;
+            renesas,average-samples = <128>;
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index b02e3b991676..23b8e8183ece 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11069,6 +11069,7 @@  ISL28022 HARDWARE MONITORING DRIVER
 M:	Carsten Spieß <[e-mail]>
 L:	[e-mail]
 S:	Maintained
+F:	Documentation/devicetree/bindings/hwmon/renesas,isl28022.yaml
 F:	Documentation/hwmon/isl28022.rst
 F:	drivers/hwmon/isl28022.c