linux-kernel - [PATCH] dt-bindings: (hwmon/pm6764tr) Add PM6764TR hwmon driver bindings

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Date:   Tue, 29 Dec 2020 15:17:23 +0800
From:   Charles Hsu <hsu.yungteng@...il.com>
To:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        robh+dt@...nel.org
Cc:     Charles Hsu <hsu.yungteng@...il.com>
Subject: [PATCH] dt-bindings: (hwmon/pm6764tr) Add PM6764TR hwmon driver bindings

Document device tree bindings for STMicroelectronics PM6764tr Voltage
Regulator.

Signed-off-by: Charles Hsu <hsu.yungteng@...il.com>
---
 .../bindings/hwmon/pmbus/st,pm6764tr.yaml     | 47 +++++++++++++++++++
 .../devicetree/bindings/trivial-devices.yaml  |  2 +
 2 files changed, 49 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/pmbus/st,pm6764tr.yaml

diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/st,pm6764tr.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/st,pm6764tr.yaml
new file mode 100644
index 000000000000..b4b0d5614d8d
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/pmbus/st,pm6764tr.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/hwmon/pmbus/st,pm6764tr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: PM6764TR voltage regulator
+
+maintainers:
+  - Charles Hsu <hsu.yungteng@...il.com>
+
+description: |
+  The PM6764/66 is a high performance digital controller designed to power
+  Intel’s VR12.5 processors (PM6766) and memories (PM6764): all required
+  parameters are programmable through a PMBus™ interface.
+  The device utilizes digital technology to implement all control and
+  power management functions to provide maximum flexibility and performance.
+  The NVM is embedded to store custom configurations.
+
+  https://www.st.com/resource/en/data_brief/pm6764.pdf
+
+properties:
+  compatible:
+    enum:
+      - st,pm6764tr
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        pm6764tr@68 {
+            compatible = "st,pm6764tr";
+            reg = <0x68>;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index bdc2dc318178..0a2dcd03220b 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -260,6 +260,8 @@ properties:
           - socionext,synquacer-tpm-mmio
             # i2c serial eeprom  (24cxx)
           - st,24c256
+            # STMicroelectronics Voltage Regulator
+          - st,pm6764tr
             # Ambient Light Sensor with SMBUS/Two Wire Serial Interface
           - taos,tsl2550
             # Temperature Monitoring and Fan Control
-- 
2.25.1