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Subject[PATCH v3 1/2] dt-bindings: hwmon: max20730: adding device tree doc for max20730
From
max20730 Integrated, Step-Down Switching Regulator with PMBus

Signed-off-by: Chu Lin <linchuyuan@google.com>
---
.../bindings/hwmon/maxim,max20730.yaml | 63 +++++++++++++++++++
1 file changed, 63 insertions(+)
create mode 100644 Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml

diff --git a/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml b/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml
new file mode 100644
index 000000000000..7372b27334c3
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/maxim,max20730.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/hwmon/maxim,max20730.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim max20730
+
+maintainers:
+ - Jean Delvare <jdelvare@suse.com>
+ - Guenter Roeck <linux@roeck-us.net>
+
+description: |
+ The MAX20730 is a fully integrated, highly efficient switching regulator
+ with PMBus for applications operating from 4.5V to 16V and requiring
+ up to 25A (max) load. This single-chip regulator provides extremely
+ compact, highefficiency power-delivery solutions with high-precision
+ output voltages and excellent transient response
+
+ Datasheets:
+ https://datasheets.maximintegrated.com/en/ds/MAX20730.pdf
+ https://datasheets.maximintegrated.com/en/ds/MAX20734.pdf
+ https://datasheets.maximintegrated.com/en/ds/MAX20743.pdf
+
+properties:
+ compatible:
+ enum:
+ - maxim,max20730
+ - maxim,max20734
+ - maxim,max20743
+
+ reg:
+ maxItems: 1
+
+ vout-voltage-divider:
+ description: |
+ If voltage divider presents at vout, the voltage at voltage sensor pin
+ will be scaled. The properties will convert the raw reading to a more
+ meaningful number if voltage divider presents. It has two numbers,
+ the first number is the output resistor, the second number is the total
+ resistance. Therefore, the adjusted vout is equal to
+ Vout = Vout * output_resistance / total resistance.
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 2
+ maxItems: 2
+
+required:
+ - compatible
+ - reg
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ max20730@10 {
+ compatible = "maxim,max20730";
+ reg = <0x10>;
+ vout-voltage-divider = <1000 2000>; // vout would be scaled to 0.5
+ };
+ };
--
2.28.0.681.g6f77f65b4e-goog
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