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Message-ID: <20201119160242.nyifff7ckwkxkf76@mchp-dev-shegelun>
Date:   Thu, 19 Nov 2020 17:02:42 +0100
From:   Steen Hegelund <steen.hegelund@...rochip.com>
To:     Vinod Koul <vkoul@...nel.org>
CC:     Rob Herring <robh+dt@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Bjarni Jonasson <bjarni.jonasson@...rochip.com>,
        Microsemi List <microsemi@...ts.bootlin.com>,
        Microchip UNG Driver List <UNGLinuxDriver@...rochip.com>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH v2 1/4] dt-bindings: phy: Add sparx5-serdes bindings

On 19.11.2020 11:28, Vinod Koul wrote:
>EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
>On 10-11-20, 15:49, Steen Hegelund wrote:
>> Document the Sparx5 ethernet serdes phy driver bindings.
>
>Rob ..?
>
>Also pls cc devicetree@...r.kernel.org
>
>>
>> Signed-off-by: Lars Povlsen <lars.povlsen@...rochip.com>
>> Signed-off-by: Steen Hegelund <steen.hegelund@...rochip.com>
>> ---
>>  .../bindings/phy/microchip,sparx5-serdes.yaml | 283 ++++++++++++++++++
>>  1 file changed, 283 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/phy/microchip,sparx5-serdes.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/phy/microchip,sparx5-serdes.yaml b/Documentation/devicetree/bindings/phy/microchip,sparx5-serdes.yaml
>> new file mode 100644
>> index 000000000000..a3a5b68f0a43
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/phy/microchip,sparx5-serdes.yaml
>> @@ -0,0 +1,283 @@
>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/phy/microchip,sparx5-serdes.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Microchip Sparx5 Serdes controller
>> +
>> +maintainers:
>> +  - Steen Hegelund <steen.hegelund@...rochip.com>
>> +
>> +description: |
>> +  The Sparx5 SERDES interfaces share the same basic functionality, but
>> +  support different operating modes and line rates.
>> +
>> +  The following list lists the SERDES features:
>> +
>> +  * RX Adaptive Decision Feedback Equalizer (DFE)
>> +  * Programmable continuous time linear equalizer (CTLE)
>> +  * Rx variable gain control
>> +  * Rx built-in fault detector (loss-of-lock/loss-of-signal)
>> +  * Adjustable tx de-emphasis (FFE)
>> +  * Tx output amplitude control
>> +  * Supports rx eye monitor
>> +  * Multiple loopback modes
>> +  * Prbs generator and checker
>> +  * Polarity inversion control
>> +
>> +  SERDES6G:
>> +
>> +  The SERDES6G is a high-speed SERDES interface, which can operate at
>> +  the following data rates:
>> +
>> +  * 100 Mbps (100BASE-FX)
>> +  * 1.25 Gbps (SGMII/1000BASE-X/1000BASE-KX)
>> +  * 3.125 Gbps (2.5GBASE-X/2.5GBASE-KX)
>> +  * 5.15625 Gbps (5GBASE-KR/5G-USXGMII)
>> +
>> +  SERDES10G
>> +
>> +  The SERDES10G is a high-speed SERDES interface, which can operate at
>> +  the following data rates:
>> +
>> +  * 100 Mbps (100BASE-FX)
>> +  * 1.25 Gbps (SGMII/1000BASE-X/1000BASE-KX)
>> +  * 3.125 Gbps (2.5GBASE-X/2.5GBASE-KX)
>> +  * 5 Gbps (QSGMII/USGMII)
>> +  * 5.15625 Gbps (5GBASE-KR/5G-USXGMII)
>> +  * 10 Gbps (10G-USGMII)
>> +  * 10.3125 Gbps (10GBASE-R/10GBASE-KR/USXGMII)
>> +
>> +  SERDES25G
>> +
>> +  The SERDES25G is a high-speed SERDES interface, which can operate at
>> +  the following data rates:
>> +
>> +  * 1.25 Gbps (SGMII/1000BASE-X/1000BASE-KX)
>> +  * 3.125 Gbps (2.5GBASE-X/2.5GBASE-KX)
>> +  * 5 Gbps (QSGMII/USGMII)
>> +  * 5.15625 Gbps (5GBASE-KR/5G-USXGMII)
>> +  * 10 Gbps (10G-USGMII)
>> +  * 10.3125 Gbps (10GBASE-R/10GBASE-KR/USXGMII)
>> +  * 25.78125 Gbps (25GBASE-KR/25GBASE-CR/25GBASE-SR/25GBASE-LR/25GBASE-ER)
>> +
>> +properties:
>> +  $nodename:
>> +    pattern: "^serdes@[0-9a-f]+$"
>> +
>> +  compatible:
>> +    const: microchip,sparx5-serdes.yaml
>> +
>> +  reg:
>> +    description: Address and length of the register set for the device
>> +
>> +  '#phy-cells':
>> +    const: 1
>> +    description: |
>> +      - The main serdes input port
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - '#phy-cells'
>
>reg-names missing here
>

I will add them.


>> +    };
>> +
>> +...
>> --
>> 2.29.2
>
>--
>~Vinod

BR
Steen

---------------------------------------
Steen Hegelund
steen.hegelund@...rochip.com