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From:   Quan Nguyen <quan@os.amperecomputing.com>
To:     Lee Jones <lee.jones@linaro.org>, Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzk+dt@kernel.org>,
        Jean Delvare <jdelvare@suse.com>,
        Guenter Roeck <linux@roeck-us.net>,
        Jonathan Corbet <corbet@lwn.net>,
        Derek Kiernan <derek.kiernan@xilinx.com>,
        Dragan Cvetic <dragan.cvetic@xilinx.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Quan Nguyen <quan@os.amperecomputing.com>,
        Thu Nguyen <thu@os.amperecomputing.com>,
        Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>,
        linux-kernel@vger.kernel.org (open list),
        devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS),
        linux-hwmon@vger.kernel.org (open list:HARDWARE MONITORING),
        linux-doc@vger.kernel.org (open list:DOCUMENTATION),
        OpenBMC Maillist <openbmc@lists.ozlabs.org>
Cc:     Open Source Submission <patches@amperecomputing.com>,
        Phong Vo <phong@os.amperecomputing.com>,
        "Thang Q . Nguyen" <thang@os.amperecomputing.com>
Subject: [PATCH v7 7/9] dt-bindings: mfd: Add bindings for Ampere Altra SMPro MFD driver
Date:   Mon, 21 Mar 2022 15:13:53 +0700
Message-Id: <20220321081355.6802-8-quan@os.amperecomputing.com>
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Adds device tree bindings for SMPro MFD driver found on the Mt.Jade
hardware reference platform with Ampere's Altra Processor family.

The SMpro co-processor on Ampere Altra processor family is to monitor
and report various data included hwmon-related info, RAS errors, and
other miscellaneous information.

Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
Changes in v7:
  + None

Changes in v6:
  + None

 .../devicetree/bindings/mfd/ampere,smpro.yaml | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/ampere,smpro.yaml

diff --git a/Documentation/devicetree/bindings/mfd/ampere,smpro.yaml b/Documentation/devicetree/bindings/mfd/ampere,smpro.yaml
new file mode 100644
index 000000000000..c29d975c1bc3
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/ampere,smpro.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/ampere,smpro.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Ampere Altra SMPro firmware driver
+
+maintainers:
+  - Quan Nguyen <quan@os.amperecomputing.com>
+
+description: |
+  Ampere Altra SMPro firmware may contain different blocks like hardware
+  monitoring, error monitoring and other miscellaneous features.
+
+properties:
+  compatible:
+    enum:
+      - ampere,smpro
+
+  reg:
+    description:
+      I2C device address.
+    maxItems: 1
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        smpro@4f {
+            compatible = "ampere,smpro";
+            reg = <0x4f>;
+        };
+    };
-- 
2.35.1