[PATCH v7 3/8] dt-bindings: hwmon: add support for ti,amc6821

Farouk Bouabid farouk.bouabid at cherry.de
Mon Sep 2 09:38:16 PDT 2024


Add dt-bindings for amc6821 intelligent temperature monitor and
pulse-width modulation (PWM) fan controller.

Reviewed-by: Rob Herring (Arm) <robh at kernel.org>
Signed-off-by: Farouk Bouabid <farouk.bouabid at cherry.de>
---

Notes:
    Merge after patch 1

 .../devicetree/bindings/hwmon/ti,amc6821.yaml      | 86 ++++++++++++++++++++++
 .../devicetree/bindings/trivial-devices.yaml       |  2 -
 2 files changed, 86 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml b/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml
new file mode 100644
index 000000000000..5d33f1a23d03
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml
@@ -0,0 +1,86 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/ti,amc6821.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: AMC6821 Intelligent Temperature Monitor and PWM Fan Controller
+
+maintainers:
+  - Farouk Bouabid <farouk.bouabid at cherry.de>
+  - Quentin Schulz <quentin.schulz at cherry.de>
+
+description:
+  Intelligent temperature monitor and pulse-width modulation (PWM) fan
+  controller.
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - const: tsd,mule
+          - const: ti,amc6821
+      - const: ti,amc6821
+
+  reg:
+    maxItems: 1
+
+  i2c-mux:
+    type: object
+
+required:
+  - compatible
+  - reg
+
+if:
+  properties:
+    compatible:
+      contains:
+        const: tsd,mule
+
+then:
+  required:
+    - i2c-mux
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        fan at 18 {
+            compatible = "ti,amc6821";
+            reg = <0x18>;
+        };
+    };
+
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        fan at 18 {
+            compatible = "tsd,mule", "ti,amc6821";
+            reg = <0x18>;
+
+            i2c-mux {
+                compatible = "tsd,mule-i2c-mux";
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                i2c at 0 {
+                    reg = <0x0>;
+                    #address-cells = <1>;
+                    #size-cells = <0>;
+
+                    rtc at 6f {
+                        compatible = "isil,isl1208";
+                        reg = <0x6f>;
+                    };
+                };
+            };
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index 7913ca9b6b54..8ba53cc2672b 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -370,8 +370,6 @@ properties:
           - swir,mangoh-iotport-spi
             # Ambient Light Sensor with SMBUS/Two Wire Serial Interface
           - taos,tsl2550
-            # Temperature Monitoring and Fan Control
-          - ti,amc6821
             # Temperature and humidity sensor with i2c interface
           - ti,hdc1000
             # Temperature and humidity sensor with i2c interface

-- 
2.34.1




More information about the Linux-rockchip mailing list