From: Andrew Lunn <andrew@lunn.ch>
To: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: davem@davemloft.net, kuba@kernel.org,
linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org,
robh+dt@kernel.org, netdev@vger.kernel.org,
jianxin.pan@amlogic.com, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, khilman@baylibre.com,
narmstrong@baylibre.com, jbrunet@baylibre.com,
f.fainelli@gmail.com
Subject: Re: [PATCH RFC v2 1/5] dt-bindings: net: dwmac-meson: use picoseconds for the RGMII RX delay
Date: Tue, 17 Nov 2020 03:01:37 +0100 [thread overview]
Message-ID: <20201117020137.GA1752213@lunn.ch> (raw)
In-Reply-To: <20201115185210.573739-2-martin.blumenstingl@googlemail.com>
On Sun, Nov 15, 2020 at 07:52:06PM +0100, Martin Blumenstingl wrote:
> Amlogic Meson G12A, G12B and SM1 SoCs have a more advanced RGMII RX
> delay register which allows picoseconds precision. Deprecate the old
> "amlogic,rx-delay-ns" in favour of a new "amlogic,rgmii-rx-delay-ps"
> property.
>
> For older SoCs the only known supported values were 0ns and 2ns. The new
> SoCs have 200ps precision and support RGMII RX delays between 0ps and
> 3000ps.
>
> While here, also update the description of the RX delay to indicate
> that:
> - with "rgmii" or "rgmii-id" the RX delay should be specified
> - with "rgmii-id" or "rgmii-rxid" the RX delay is added by the PHY so
> any configuration on the MAC side is ignored
> - with "rmii" the RX delay is not applicable and any configuration is
> ignored
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Lunn <andrew@lunn.ch>
To: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: devicetree@vger.kernel.org, f.fainelli@gmail.com,
jianxin.pan@amlogic.com, narmstrong@baylibre.com,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
robh+dt@kernel.org, khilman@baylibre.com,
linux-amlogic@lists.infradead.org, kuba@kernel.org,
davem@davemloft.net, linux-arm-kernel@lists.infradead.org,
jbrunet@baylibre.com
Subject: Re: [PATCH RFC v2 1/5] dt-bindings: net: dwmac-meson: use picoseconds for the RGMII RX delay
Date: Tue, 17 Nov 2020 03:01:37 +0100 [thread overview]
Message-ID: <20201117020137.GA1752213@lunn.ch> (raw)
In-Reply-To: <20201115185210.573739-2-martin.blumenstingl@googlemail.com>
On Sun, Nov 15, 2020 at 07:52:06PM +0100, Martin Blumenstingl wrote:
> Amlogic Meson G12A, G12B and SM1 SoCs have a more advanced RGMII RX
> delay register which allows picoseconds precision. Deprecate the old
> "amlogic,rx-delay-ns" in favour of a new "amlogic,rgmii-rx-delay-ps"
> property.
>
> For older SoCs the only known supported values were 0ns and 2ns. The new
> SoCs have 200ps precision and support RGMII RX delays between 0ps and
> 3000ps.
>
> While here, also update the description of the RX delay to indicate
> that:
> - with "rgmii" or "rgmii-id" the RX delay should be specified
> - with "rgmii-id" or "rgmii-rxid" the RX delay is added by the PHY so
> any configuration on the MAC side is ignored
> - with "rmii" the RX delay is not applicable and any configuration is
> ignored
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Lunn <andrew@lunn.ch>
To: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: devicetree@vger.kernel.org, f.fainelli@gmail.com,
jianxin.pan@amlogic.com, narmstrong@baylibre.com,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
robh+dt@kernel.org, khilman@baylibre.com,
linux-amlogic@lists.infradead.org, kuba@kernel.org,
davem@davemloft.net, linux-arm-kernel@lists.infradead.org,
jbrunet@baylibre.com
Subject: Re: [PATCH RFC v2 1/5] dt-bindings: net: dwmac-meson: use picoseconds for the RGMII RX delay
Date: Tue, 17 Nov 2020 03:01:37 +0100 [thread overview]
Message-ID: <20201117020137.GA1752213@lunn.ch> (raw)
In-Reply-To: <20201115185210.573739-2-martin.blumenstingl@googlemail.com>
On Sun, Nov 15, 2020 at 07:52:06PM +0100, Martin Blumenstingl wrote:
> Amlogic Meson G12A, G12B and SM1 SoCs have a more advanced RGMII RX
> delay register which allows picoseconds precision. Deprecate the old
> "amlogic,rx-delay-ns" in favour of a new "amlogic,rgmii-rx-delay-ps"
> property.
>
> For older SoCs the only known supported values were 0ns and 2ns. The new
> SoCs have 200ps precision and support RGMII RX delays between 0ps and
> 3000ps.
>
> While here, also update the description of the RX delay to indicate
> that:
> - with "rgmii" or "rgmii-id" the RX delay should be specified
> - with "rgmii-id" or "rgmii-rxid" the RX delay is added by the PHY so
> any configuration on the MAC side is ignored
> - with "rmii" the RX delay is not applicable and any configuration is
> ignored
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic
next prev parent reply other threads:[~2020-11-17 2:02 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-15 18:52 [PATCH RFC v2 0/5] dwmac-meson8b: picosecond precision RX delay support Martin Blumenstingl
2020-11-15 18:52 ` Martin Blumenstingl
2020-11-15 18:52 ` Martin Blumenstingl
2020-11-15 18:52 ` [PATCH RFC v2 1/5] dt-bindings: net: dwmac-meson: use picoseconds for the RGMII RX delay Martin Blumenstingl
2020-11-15 18:52 ` Martin Blumenstingl
2020-11-15 18:52 ` Martin Blumenstingl
2020-11-17 2:01 ` Andrew Lunn [this message]
2020-11-17 2:01 ` Andrew Lunn
2020-11-17 2:01 ` Andrew Lunn
2020-11-17 18:32 ` Florian Fainelli
2020-11-17 18:32 ` Florian Fainelli
2020-11-17 18:32 ` Florian Fainelli
2020-12-07 19:17 ` Rob Herring
2020-12-07 19:17 ` Rob Herring
2020-12-07 19:17 ` Rob Herring
2020-12-13 16:59 ` Martin Blumenstingl
2020-12-13 16:59 ` Martin Blumenstingl
2020-12-13 16:59 ` Martin Blumenstingl
2020-12-15 13:40 ` Rob Herring
2020-12-15 13:40 ` Rob Herring
2020-12-15 13:40 ` Rob Herring
2020-11-15 18:52 ` [PATCH RFC v2 2/5] net: stmmac: dwmac-meson8b: fix enabling the timing-adjustment clock Martin Blumenstingl
2020-11-15 18:52 ` Martin Blumenstingl
2020-11-15 18:52 ` Martin Blumenstingl
2020-11-17 2:02 ` Andrew Lunn
2020-11-17 2:02 ` Andrew Lunn
2020-11-17 2:02 ` Andrew Lunn
2020-11-17 18:34 ` Florian Fainelli
2020-11-17 18:34 ` Florian Fainelli
2020-11-17 18:34 ` Florian Fainelli
2020-11-15 18:52 ` [PATCH RFC v2 3/5] net: stmmac: dwmac-meson8b: use picoseconds for the RGMII RX delay Martin Blumenstingl
2020-11-15 18:52 ` Martin Blumenstingl
2020-11-15 18:52 ` Martin Blumenstingl
2020-11-17 2:04 ` Andrew Lunn
2020-11-17 2:04 ` Andrew Lunn
2020-11-17 2:04 ` Andrew Lunn
2020-11-17 18:36 ` Florian Fainelli
2020-11-17 18:36 ` Florian Fainelli
2020-11-17 18:36 ` Florian Fainelli
2020-11-17 22:50 ` Martin Blumenstingl
2020-11-17 22:50 ` Martin Blumenstingl
2020-11-17 22:50 ` Martin Blumenstingl
2020-11-15 18:52 ` [PATCH RFC v2 4/5] net: stmmac: dwmac-meson8b: move RGMII delays into a separate function Martin Blumenstingl
2020-11-15 18:52 ` Martin Blumenstingl
2020-11-15 18:52 ` Martin Blumenstingl
2020-11-17 2:05 ` Andrew Lunn
2020-11-17 2:05 ` Andrew Lunn
2020-11-17 2:05 ` Andrew Lunn
2020-11-17 18:36 ` Florian Fainelli
2020-11-17 18:36 ` Florian Fainelli
2020-11-17 18:36 ` Florian Fainelli
2020-11-15 18:52 ` [PATCH RFC v2 5/5] net: stmmac: dwmac-meson8b: add support for the RGMII RX delay on G12A Martin Blumenstingl
2020-11-15 18:52 ` Martin Blumenstingl
2020-11-15 18:52 ` Martin Blumenstingl
2020-11-17 2:06 ` Andrew Lunn
2020-11-17 2:06 ` Andrew Lunn
2020-11-17 2:06 ` Andrew Lunn
2020-11-17 18:37 ` Florian Fainelli
2020-11-17 18:37 ` Florian Fainelli
2020-11-17 18:37 ` Florian Fainelli
2020-11-17 22:55 ` [PATCH RFC v2 0/5] dwmac-meson8b: picosecond precision RX delay support Martin Blumenstingl
2020-11-17 22:55 ` Martin Blumenstingl
2020-11-17 22:55 ` Martin Blumenstingl
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