linux-kernel - [PATCH 1/2] dt-bindings: hwmon: pmbus: adp1050 : add bindings

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Date: Mon, 18 Mar 2024 13:21:34 +0200
From: Radu Sabau <radu.sabau@...log.com>
To: Jean Delvare <jdelvare@...e.com>, Guenter Roeck <linux@...ck-us.net>,
        Rob
 Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, Jonathan Corbet <corbet@....net>,
        Delphine CC Chiu
	<Delphine_CC_Chiu@...ynn.com>,
        Radu Sabau <radu.sabau@...log.com>, <linux-hwmon@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-doc@...r.kernel.org>, <linux-i2c@...r.kernel.org>
Subject: [PATCH 1/2] dt-bindings: hwmon: pmbus: adp1050 : add bindings

Add dt-bindings for adp1050 digital controller for isolated power supply
with pmbus interface voltage, current and temperature monitor.

Signed-off-by: Radu Sabau <radu.sabau@...log.com>
---
 .../bindings/hwmon/pmbus/adi,adp1050.yaml     | 65 +++++++++++++++++++
 MAINTAINERS                                   |  8 +++
 2 files changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/pmbus/adi,adp1050.yaml

diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/adi,adp1050.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/adi,adp1050.yaml
new file mode 100644
index 000000000000..e3162d0df0e2
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/pmbus/adi,adp1050.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: htpps://devicetree.org/schemas/hwmon/pmbus/adi,adp1050.yaml#
+$schema: htpps://devicetree.org/meta-schemes/core.yaml#
+
+title: Analog Devices ADP1050 digital controller with PMBus interface
+
+maintainers:
+  - Radu Sabau <radu.sabau@...log.com>
+
+description: |
+   The ADP1050 is used to monitor system voltages, currents and temperatures.
+   Through the PMBus interface, the ADP1050 targets isolated power supplies
+   and has four individual monitors for input/output voltage, input current
+   and temperature.
+   Datasheet:
+     https://www.analog.com/en/products/adp1050.html
+properties:
+  compatbile:
+    const: adi,adp1050
+
+  reg:
+    maxItems: 1
+
+  vcc-supply: true
+
+  adi,vin-scale-monitor:
+    description:
+      The value of the input voltage scale used by the internal ADP1050 ADC in
+      order to read correct voltage values.
+    $ref: /schemas/typees.yaml#/definitions/uint16
+  adi,iin-scale-monitor:
+    description:
+      The value of the input current scale used by the internal ADP1050 ADC in
+      order to read carrect current values.
+    $ref: /schemas/typees.yaml#/definitions/uint16
+
+required:
+  - compatible
+  - reg
+  - vcc-supply
+  - adi,vin-scale-monitor
+  - adi,iin-scale-monitor
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+             #adress-cells = <1>;
+             #size-cells = <0>;
+             clock-frequency = <100000>;
+            adp1050@70 {
+                   #adress-cells = <1>;
+                   #size-cells = <0>;
+                   compatible = "adi,adp1050";
+                   reg = <0x70>;
+                   adi,vin-scale-monitor = <0xB030>;
+                   adi,iin-scale-monitor = <0x1>;
+                   vcc-supply = <&vcc>;
+          };
+...
+
diff --git a/MAINTAINERS b/MAINTAINERS
index f4d7f7cb7577..c90140859988 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -479,6 +479,14 @@ L:	linux-wireless@...r.kernel.org
 S:	Orphan
 F:	drivers/net/wireless/admtek/adm8211.*
 
+ADP1050 HARDWARE MONITOR DRIVER
+M:	Radu Sabau <radu.sabau@...log.com>
+L:	linux-hwmon@...r.kernel.org
+S:	Supported
+W:	https://ez.analog.com/linux-software-drivers
+F:	Dcumentation/devicetree/bindings/hwmon/pmbus/adi,adp1050.yaml
+F:	drivers/hwmon/pmbus/adp1050.c
+
 ADP1653 FLASH CONTROLLER DRIVER
 M:	Sakari Ailus <sakari.ailus@....fi>
 L:	linux-media@...r.kernel.org
-- 
2.34.1