linux-kernel - [PATCH v1 1/2] dt-bindings: hwmon: add INA233 binding documents

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Message-Id: <20230920054739.1561080-2-Delphine_CC_Chiu@wiwynn.com>
Date:   Wed, 20 Sep 2023 13:47:36 +0800
From:   Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
To:     patrick@...cx.xyz, Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>,
        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>
Cc:     linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 1/2] dt-bindings: hwmon: add INA233 binding documents

Add INA233 binding documents for Yosemite V4 config.

Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
---
 .../devicetree/bindings/hwmon/ina233.txt      | 27 +++++++++++++++++++
 MAINTAINERS                                   |  6 +++++
 2 files changed, 33 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/ina233.txt

diff --git a/Documentation/devicetree/bindings/hwmon/ina233.txt b/Documentation/devicetree/bindings/hwmon/ina233.txt
new file mode 100644
index 000000000000..a1067788ec0c
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/ina233.txt
@@ -0,0 +1,27 @@
+Bindings for the Maxim MAX31790 Intelligent Fan Controller
+==========================================================
+
+Reference:
+
+https://pdf1.alldatasheet.com/datasheet-pdf/view/930928/TI1/INA233.html
+
+The INA233 device is a current, voltage and power monitor with an I2C-, SMBus-,and PMBus-compatible interface
+that is compliant with digital bus voltages from 1.8 V to 5.0 V.
+The device monitors and reports values for current, voltage and power.
+The integrated power accumulator can be used for energy or average power calculations.
+Programmable calibration value, conversion times and averaging when combined with an internal multiplier
+enable direct readouts of current in amperes and power in watts.
+
+Required properties:
+- compatible     	: ti,ina233
+- reg            	: I2C address
+- resistor-calibration  : MFR_CALIBRATION which will be set into register 0xd4
+- current-lsb    	: Current_LSB for calibration
+Example:
+
+        ina233@45 {
+                compatible = "ti,ina233";
+                reg = <0x45>;
+                resistor-calibration = /bits/ 16 <0x0a00>;
+                current-lsb= /bits/ 16 <0x0001>;
+        };
diff --git a/MAINTAINERS b/MAINTAINERS
index bf0f54c24f81..48b9a73d259f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10243,6 +10243,12 @@ F:	Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
 F:	Documentation/hwmon/ina209.rst
 F:	drivers/hwmon/ina209.c
 
+INA233 HARDWARE MONITOR DRIVER
+M:     Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
+S:     Odd Fixes
+F:     Documentation/devicetree/bindings/hwmon/ina233.txt
+F:     drivers/hwmon/ina233.c
+
 INA2XX HARDWARE MONITOR DRIVER
 M:	Guenter Roeck <linux@...ck-us.net>
 L:	linux-hwmon@...r.kernel.org
-- 
2.25.1