From: Andrew Lunn <andrew@lunn.ch>
To: Dan Murphy <dmurphy@ti.com>
Cc: f.fainelli@gmail.com, hkallweit1@gmail.com, davem@davemloft.net,
robh@kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH net-next v2 1/4] dt-bindings: net: Add tx and rx internal delays
Date: Sat, 23 May 2020 17:13:40 +0200 [thread overview]
Message-ID: <20200523151340.GL610998@lunn.ch> (raw)
In-Reply-To: <20200522122534.3353-2-dmurphy@ti.com>
On Fri, May 22, 2020 at 07:25:31AM -0500, Dan Murphy wrote:
> tx-internal-delays and rx-internal-delays are a common setting for RGMII
> capable devices.
>
> These properties are used when the phy-mode or phy-controller is set to
> rgmii-id, rgmii-rxid or rgmii-txid. These modes indicate to the
> controller that the PHY will add the internal delay for the connection.
>
> Signed-off-by: Dan Murphy <dmurphy@ti.com>
> ---
>
> v2 - updated to add -ps
>
> .../bindings/net/ethernet-controller.yaml | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/ethernet-controller.yaml b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
> index ac471b60ed6a..70702a4ef5e8 100644
> --- a/Documentation/devicetree/bindings/net/ethernet-controller.yaml
> +++ b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
> @@ -143,6 +143,20 @@ properties:
> Specifies the PHY management type. If auto is set and fixed-link
> is not specified, it uses MDIO for management.
>
> + rx-internal-delay-ps:
> + $ref: /schemas/types.yaml#definitions/uint32
> + description: |
> + RGMII Receive PHY Clock Delay defined in pico seconds. This is used for
> + PHY's that have configurable RX internal delays. This property is only
> + used when the phy-mode or phy-connection-type is rgmii-id or rgmii-rxid.
Hi Dan
Please add a comment about rounding to the nearest supported value.
Andrew
next prev parent reply other threads:[~2020-05-23 15:13 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-22 12:25 [PATCH net-next v2 0/4] RGMII Internal delay common property Dan Murphy
2020-05-22 12:25 ` [PATCH net-next v2 1/4] dt-bindings: net: Add tx and rx internal delays Dan Murphy
2020-05-23 15:13 ` Andrew Lunn [this message]
2020-05-22 12:25 ` [PATCH net-next v2 2/4] net: phy: Add a helper to return the index for of the internal delay Dan Murphy
2020-05-22 16:11 ` Florian Fainelli
2020-05-22 18:27 ` Dan Murphy
2020-05-22 12:25 ` [PATCH net-next v2 3/4] dt-bindings: net: Add RGMII internal delay for DP83869 Dan Murphy
2020-05-22 12:25 ` [PATCH net-next v2 4/4] net: dp83869: Add RGMII internal delay configuration Dan Murphy
2020-05-22 16:13 ` Florian Fainelli
2020-05-22 18:50 ` Dan Murphy
2020-05-23 15:09 ` Andrew Lunn
2020-05-23 21:40 ` Dan Murphy
2020-05-23 22:07 ` Andrew Lunn
2020-05-26 17:48 ` Dan Murphy
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200523151340.GL610998@lunn.ch \
--to=andrew@lunn.ch \
--cc=davem@davemloft.net \
--cc=devicetree@vger.kernel.org \
--cc=dmurphy@ti.com \
--cc=f.fainelli@gmail.com \
--cc=hkallweit1@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=robh@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).