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

Radu Sabau
2024-03-18T12:24:15Z

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@analog.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@analog.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@vger.kernel.org
S: Orphan
F: drivers/net/wireless/admtek/adm8211.*

+ADP1050 HARDWARE MONITOR DRIVER
+M: Radu Sabau <radu.sabau@analog.com>
+L: linux-hwmon@vger.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@iki.fi>
L: linux-media@vger.kernel.org
--
2.34.1