linux-kernel - [PATCH 1/2] dt-bindings: Add INA233 device

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250106071337.3017926-2-Leo-Yang@quantatw.com>
Date: Mon,  6 Jan 2025 15:13:36 +0800
From: Leo Yang <leo.yang.sy0@...il.com>
To: jdelvare@...e.com,
	linux@...ck-us.net,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	Leo-Yang@...ntatw.com,
	corbet@....net,
	Delphine_CC_Chiu@...ynn.com,
	linux-hwmon@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: Add INA233 device

Add TI INA233 Current and Power Monitor bindings.

Signed-off-by: Leo Yang <Leo-Yang@...ntatw.com>
---
 .../bindings/hwmon/pmbus/ti,ina233.yaml       | 57 +++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/pmbus/ti,ina233.yaml

diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/ti,ina233.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/ti,ina233.yaml
new file mode 100644
index 000000000000..2677c98dadd1
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/pmbus/ti,ina233.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/hwmon/pmbus/ti,ina233.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments INA233 of power/voltage/current monitors
+
+maintainers:
+  - Leo Yang <Leo-Yang@...ntatw.com>
+
+description: |
+  INA233 High-Side or Low-Side Measurement, Bidirectional Current
+  and Power Monitor With I2C-, SMBus-, and PMBus-Compatible Interface.
+
+  Datasheet: https://www.ti.com/lit/ds/symlink/ina233.pdf
+
+properties:
+  compatible:
+    enum:
+      - ti,ina233
+
+  reg:
+    maxItems: 1
+
+  shunt-resistor:
+    description:
+      Shunt resistor value in micro-Ohms, Please refer to the actual circuit
+      resistor used.
+    default: 2000
+
+  current-lsb:
+    description:
+	    Calculate the Maximum Expected Current(A) / 2^15 in micro ampere (uA/bit).
+	    e.g. 30A / 2^15 = 915 uA/bit
+    default: 1000
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        power-sensor@40 {
+            compatible = "ti,ina233";
+            reg = <0x40>;
+            shunt-resistor = /bits/ 32 <5000>;
+            current-lsb = /bits/ 16 <1000>;
+        };
+    };
\ No newline at end of file
-- 
2.39.2