From: Matthias Kaehlcke <mka@chromium.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: "David S . Miller" <davem@davemloft.net>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>, Andrew Lunn <andrew@lunn.ch>,
Florian Fainelli <f.fainelli@gmail.com>,
Heiner Kallweit <hkallweit1@gmail.com>,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Douglas Anderson <dianders@chromium.org>
Subject: Re: [PATCH v6 1/4] dt-bindings: net: phy: Add subnode for LED configuration
Date: Fri, 16 Aug 2019 15:04:11 -0700 [thread overview]
Message-ID: <20190816220411.GX250418@google.com> (raw)
In-Reply-To: <20190816201338.GA1646@bug>
On Fri, Aug 16, 2019 at 10:13:38PM +0200, Pavel Machek wrote:
> Hi!
>
> Please Cc led mailing lists on led issues.
sorry for missing this
> On Tue 2019-08-13 12:11:44, Matthias Kaehlcke wrote:
> > The LED behavior of some Ethernet PHYs is configurable. Add an
> > optional 'leds' subnode with a child node for each LED to be
> > configured. The binding aims to be compatible with the common
> > LED binding (see devicetree/bindings/leds/common.txt).
> >
> > A LED can be configured to be:
> >
> > - 'on' when a link is active, some PHYs allow configuration for
> > certain link speeds
> > speeds
> > - 'off'
> > - blink on RX/TX activity, some PHYs allow configuration for
> > certain link speeds
> >
> > For the configuration to be effective it needs to be supported by
> > the hardware and the corresponding PHY driver.
> >
> > Suggested-by: Andrew Lunn <andrew@lunn.ch>
> > Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
>
> > @@ -173,5 +217,20 @@ examples:
> > reset-gpios = <&gpio1 4 1>;
> > reset-assert-us = <1000>;
> > reset-deassert-us = <2000>;
> > +
> > + leds {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + led@0 {
> > + reg = <0>;
> > + linux,default-trigger = "phy-link-1g";
> > + };
>
> Because this affects us.
>
> Is the LED software controllable?
it might be for certain PHYs, integration with the LED framework is
not part of this series.
> Or can it do limited subset of triggers you listed?
it depends on the PHY. The one in this series (RTL8211E) only supports
a limited subset of the listed triggers.
next prev parent reply other threads:[~2019-08-16 22:04 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-13 19:11 [PATCH v6 0/4] net: phy: Add support for DT configuration of PHY LEDs and use it for RTL8211E Matthias Kaehlcke
2019-08-13 19:11 ` [PATCH v6 1/4] dt-bindings: net: phy: Add subnode for LED configuration Matthias Kaehlcke
2019-08-13 19:54 ` Andrew Lunn
2019-08-16 20:13 ` Pavel Machek
2019-08-16 22:04 ` Matthias Kaehlcke [this message]
2019-08-19 0:29 ` Andrew Lunn
2019-08-27 16:12 ` Rob Herring
2019-08-13 19:11 ` [PATCH v6 2/4] net: phy: Add support for generic LED configuration through the DT Matthias Kaehlcke
2019-08-13 19:56 ` Andrew Lunn
2019-08-13 19:11 ` [PATCH v6 3/4] net: phy: realtek: Add helpers for accessing RTL8211x extension pages Matthias Kaehlcke
2019-08-13 20:09 ` Andrew Lunn
2019-08-13 19:11 ` [PATCH v6 4/4] net: phy: realtek: Add LED configuration support for RTL8211E Matthias Kaehlcke
2019-08-13 20:14 ` Andrew Lunn
2019-08-13 20:46 ` Matthias Kaehlcke
2019-08-16 20:13 ` Pavel Machek
2019-08-16 21:27 ` Matthias Kaehlcke
2019-08-16 22:12 ` Florian Fainelli
2019-08-16 22:39 ` Doug Anderson
2019-08-23 19:58 ` Florian Fainelli
2019-08-26 18:40 ` Matthias Kaehlcke
2019-08-16 22:40 ` Matthias Kaehlcke
2019-08-17 14:05 ` Pavel Machek
2019-08-19 0:37 ` Andrew Lunn
2019-10-07 11:02 ` Pavel Machek
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