From: Daniel Machon <daniel.machon@microchip.com>
To: Rob Herring <robh@kernel.org>
Cc: <UNGLinuxDriver@microchip.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
"Lars Povlsen" <lars.povlsen@microchip.com>,
Steen Hegelund <Steen.Hegelund@microchip.com>,
Horatiu Vultur <horatiu.vultur@microchip.com>,
Russell King <linux@armlinux.org.uk>, <jacob.e.keller@intel.com>,
<krzk+dt@kernel.org>, <conor+dt@kernel.org>,
<devicetree@vger.kernel.org>, <netdev@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH net-next v3 8/8] dt-bindings: net: sparx5: document RGMII delays
Date: Wed, 20 Nov 2024 10:53:36 +0000 [thread overview]
Message-ID: <20241120105336.3wheaindiv5q3uvj@DEN-DL-M70577> (raw)
In-Reply-To: <20241119182255.GA1967508-robh@kernel.org>
Hi Rob,
> > The lan969x switch device supports two RGMII port interfaces that can be
> > configured for MAC level rx and tx delays.
> >
> > Document two new properties {rx,tx}-internal-delay-ps. Make them
> > required properties, if the phy-mode is one of: rgmii, rgmii_id,
> > rgmii-rxid or rgmii-txid. Also specify accepted values.
>
> Doesn't look like they are required to me.
Commit description needs updating. Thanks for catching this!
>
> >
> > Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
> > ---
> > .../bindings/net/microchip,sparx5-switch.yaml | 18 ++++++++++++++++++
> > 1 file changed, 18 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/net/microchip,sparx5-switch.yaml b/Documentation/devicetree/bindings/net/microchip,sparx5-switch.yaml
> > index dedfad526666..2e9ef0f7bb4b 100644
> > --- a/Documentation/devicetree/bindings/net/microchip,sparx5-switch.yaml
> > +++ b/Documentation/devicetree/bindings/net/microchip,sparx5-switch.yaml
> > @@ -129,6 +129,24 @@ properties:
> > minimum: 0
> > maximum: 383
> >
> > + rx-internal-delay-ps:
> > + description: |
>
> Don't need '|' if there is not formatting to preserve.
Ack.
>
> > + RGMII Receive Clock Delay defined in pico seconds, used to select
> > + the DLL phase shift between 1000 ps (45 degree shift at 1Gbps) and
> > + 3300 ps (147 degree shift at 1Gbps). A value of 0 ps will disable
> > + any delay. The Default is no delay.
> > + enum: [0, 1000, 1700, 2000, 2500, 3000, 3300]
> > + default: 0
> > +
> > + tx-internal-delay-ps:
> > + description: |
> > + RGMII Transmit Clock Delay defined in pico seconds, used to select
> > + the DLL phase shift between 1000 ps (45 degree shift at 1Gbps) and
> > + 3300 ps (147 degree shift at 1Gbps). A value of 0 ps will disable
> > + any delay. The Default is no delay.
> > + enum: [0, 1000, 1700, 2000, 2500, 3000, 3300]
> > + default: 0
> > +
> > required:
> > - reg
> > - phys
> >
> > --
> > 2.34.1
> >
/Daniel
next prev parent reply other threads:[~2024-11-20 11:06 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-18 13:00 [PATCH net-next v3 0/8] net: lan969x: add RGMII support Daniel Machon
2024-11-18 13:00 ` [PATCH net-next v3 1/8] net: sparx5: do some preparation work Daniel Machon
2024-11-18 13:00 ` [PATCH net-next v3 2/8] net: sparx5: add function for RGMII port check Daniel Machon
2024-11-18 13:00 ` [PATCH net-next v3 3/8] net: sparx5: use is_port_rgmii() throughout Daniel Machon
2024-11-18 13:00 ` [PATCH net-next v3 4/8] net: sparx5: use phy_interface_mode_is_rgmii() Daniel Machon
2024-11-19 20:08 ` Russell King (Oracle)
2024-11-20 10:57 ` Daniel Machon
2024-11-18 13:00 ` [PATCH net-next v3 5/8] net: sparx5: verify RGMII speeds Daniel Machon
2024-11-18 13:00 ` [PATCH net-next v3 6/8] net: lan969x: add RGMII registers Daniel Machon
2024-11-18 13:00 ` [PATCH net-next v3 7/8] net: lan969x: add RGMII implementation Daniel Machon
2024-11-18 13:00 ` [PATCH net-next v3 8/8] dt-bindings: net: sparx5: document RGMII delays Daniel Machon
2024-11-19 18:22 ` Rob Herring
2024-11-20 10:53 ` Daniel Machon [this message]
2024-11-19 3:04 ` [PATCH net-next v3 0/8] net: lan969x: add RGMII support Jakub Kicinski
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