linux-kernel - Re: [PATCH 1/4] dt-bindings: mfd: Add bindings for Ampere Altra SMPro drivers

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Date:   Mon, 1 Mar 2021 19:28:17 +0700
From:   Quan Nguyen <quan@...amperecomputing.com>
To:     Guenter Roeck <linux@...ck-us.net>, Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>,
        Jean Delvare <jdelvare@...e.com>,
        Rob Herring <robh+dt@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Jonathan Corbet <corbet@....net>, linux-hwmon@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-aspeed@...ts.ozlabs.org,
        openbmc@...ts.ozlabs.org
Cc:     Open Source Submission <patches@...erecomputing.com>,
        Phong Vo <phong@...amperecomputing.com>,
        "Thang Q . Nguyen" <thang@...amperecomputing.com>
Subject: Re: [PATCH 1/4] dt-bindings: mfd: Add bindings for Ampere Altra SMPro
 drivers

On 25/02/2021 23:47, Guenter Roeck wrote:
> On 2/25/21 2:18 AM, Quan Nguyen wrote:
>> Adds device tree bindings for SMPro drivers found on the Mt.Jade hardware
>> reference platform with Ampere's Altra Processor family.
>>
>> Signed-off-by: Quan Nguyen <quan@...amperecomputing.com>
>> ---
>>   .../bindings/hwmon/ampere,ac01-hwmon.yaml     | 27 ++++++
>>   .../bindings/mfd/ampere,ac01-smpro.yaml       | 82 +++++++++++++++++++
>>   2 files changed, 109 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml
>>   create mode 100644 Documentation/devicetree/bindings/mfd/ampere,ac01-smpro.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml b/Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml
>> new file mode 100644
>> index 000000000000..d13862ba646b
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml
>> @@ -0,0 +1,27 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/hwmon/ampere,ac01-hwmon.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Hardware monitoring driver for the Ampere Altra SMPro
>> +
>> +maintainers:
>> +  - Quan Nguyen <quan@...amperecomputing.com>
>> +
>> +description: |
>> +  This module is part of the Ampere Altra SMPro multi-function device. For more
>> +  details see ../mfd/ampere,ac01-smpro.yaml.
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - ampere,ac01-hwmon
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +required:
>> +  - compatible
>> +
>> +additionalProperties: false
>> diff --git a/Documentation/devicetree/bindings/mfd/ampere,ac01-smpro.yaml b/Documentation/devicetree/bindings/mfd/ampere,ac01-smpro.yaml
>> new file mode 100644
>> index 000000000000..06b0239413ae
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/mfd/ampere,ac01-smpro.yaml
>> @@ -0,0 +1,82 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/mfd/ampere,ac01-smpro.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Ampere Altra SMPro firmware driver
>> +
>> +maintainers:
>> +  - Quan Nguyen <quan@...amperecomputing.com>
>> +
>> +description: |
>> +  Ampere Altra SMPro firmware may contain different blocks like hardware
>> +  monitoring, error monitoring and other miscellaneous features.
>> +
>> +properties:
>> +  compatible:
>> +    const: ampere,ac01-smpro
> 
> Is that the same as the "ampere,smpro" in
> arch/arm/boot/dts/nuvoton-npcm730-kudo.dts ?
> 
> Guenter
> 
Yes, Guenter, looks like this need to change in next version.