linux-kernel - Re: [PATCH 4/5] dt-bindings: documentation: add clock bindings information for Agilex

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Date:   Tue, 31 Mar 2020 16:56:11 -0500
From:   Dinh Nguyen <dinguyen@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, sboyd@...nel.org,
        mturquette@...libre.com, mark.rutland@....com
Subject: Re: [PATCH 4/5] dt-bindings: documentation: add clock bindings
 information for Agilex



On 3/31/20 12:23 PM, Rob Herring wrote:
> On Fri, Mar 20, 2020 at 12:02:10PM -0500, Dinh Nguyen wrote:
>> Document the Agilex clock bindings, and add the clock header file. The
>> clock header is an enumeration of all the different clocks on the Agilex
>> platform.
>>
>> Signed-off-by: Dinh Nguyen <dinguyen@...nel.org>
>> ---
>> v4: really fix build error(comment formatting was wrong)
>> v3: address comments from Stephen Boyd
>>     fix build error(tab removed in line 37)
>>     renamed to intel,agilex.yaml
>> v2: convert original document to YAML
>> ---
>>  .../bindings/clock/intel,agilex.yaml          | 36 ++++++++++
>>  include/dt-bindings/clock/agilex-clock.h      | 70 +++++++++++++++++++
>>  2 files changed, 106 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/clock/intel,agilex.yaml
>>  create mode 100644 include/dt-bindings/clock/agilex-clock.h
>>
>> diff --git a/Documentation/devicetree/bindings/clock/intel,agilex.yaml b/Documentation/devicetree/bindings/clock/intel,agilex.yaml
>> new file mode 100644
>> index 000000000000..5cf2ee5d6fcc
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/clock/intel,agilex.yaml
>> @@ -0,0 +1,36 @@
>> +# SPDX-License-Identifier: GPL-2.0
> 
> Dual license new bindings please:
> 
> (GPL-2.0-only OR BSD-2-Clause)
> 

Okay...

>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/clock/intel,agilex.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Intel SoCFPGA Agilex platform clock controller binding
>> +
>> +maintainers:
>> +  - Dinh Nguyen <dinguyen@...nel.org>
>> +
>> +description:
>> +  The Intel Agilex Clock controller is an integrated clock controller, which
>> +  generates and supplies to all modules.
>> +
>> +properties:
>> +  compatible:
>> +    const: intel,agilex-clkmgr
>> +
>> +  '#clock-cells':
>> +    const: 1
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - '#clock-cells'
> 
> Add:
> 
> additionalProperties: false
> 

Okay..

>> +
>> +examples:
>> +  # Clock controller node:
>> +  - |
>> +    clkmgr: clock-controller@...10000 {
>> +      compatible = "intel,agilex-clkmgr";
>> +      reg = <0xffd10000 0x1000>;
>> +      #clock-cells = <1>;
> 
> No clock inputs?
> 

The clock controller is fed the onboard OSC1. So yes, I'll update it.

Dinh