Date:   Fri, 17 Mar 2023 16:13:00 -0500
From:   Rob Herring <robh@kernel.org>
To:     Andrew Lunn <andrew@lunn.ch>
Cc:     Vladimir Oltean <olteanv@gmail.com>,
        Christian Marangi <ansuelsmth@gmail.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Heiner Kallweit <hkallweit1@gmail.com>,
        Russell King <linux@armlinux.org.uk>,
        Gregory Clement <gregory.clement@bootlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        John Crispin <john@phrozen.org>, netdev@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-arm-msm@vger.kernel.org, Lee Jones <lee@kernel.org>,
        linux-leds@vger.kernel.org
Subject: Re: [net-next PATCH v3 09/14] dt-bindings: net: dsa: dsa-port:
 Document support for LEDs node
Message-ID: <20230317211300.GA2811156-robh@kernel.org>
References: <20230314101516.20427-1-ansuelsmth@gmail.com>
 <20230314101516.20427-1-ansuelsmth@gmail.com>
 <20230314101516.20427-10-ansuelsmth@gmail.com>
 <20230314101516.20427-10-ansuelsmth@gmail.com>
 <20230315005000.co4in33amy3t3xbx@skbuf>
 <afd1f052-6bb6-4388-9620-1adb02e6d607@lunn.ch>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <afd1f052-6bb6-4388-9620-1adb02e6d607@lunn.ch>
Precedence: bulk

On Wed, Mar 15, 2023 at 02:58:23AM +0100, Andrew Lunn wrote:
> On Wed, Mar 15, 2023 at 02:50:00AM +0200, Vladimir Oltean wrote:
> > On Tue, Mar 14, 2023 at 11:15:11AM +0100, Christian Marangi wrote:
> > > Document support for LEDs node in dsa port.
> > > Switch may support different LEDs that can be configured for different
> > > operation like blinking on traffic event or port link.
> > > 
> > > Also add some Documentation to describe the difference of these nodes
> > > compared to PHY LEDs, since dsa-port LEDs are controllable by the switch
> > > regs and the possible intergated PHY doesn't have control on them.
> > > 
> > > Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
> > > ---
> > >  .../devicetree/bindings/net/dsa/dsa-port.yaml | 21 +++++++++++++++++++
> > >  1 file changed, 21 insertions(+)
> > 
> > Of all schemas, why did you choose dsa-port.yaml? Why not either something
> > hardware specific (qca8k.yaml) or more generic (ethernet-controller.yaml)?
> 
> The binding should be generic. So qca8k.yaml is way to specific. The
> Marvell switch should re-use it at some point.
> 
> Looking at the hierarchy, ethernet-controller.yaml would work since
> dsa-port includes ethernet-switch-port, which includes
> ethernet-controller.
> 
> These are MAC LEDs, and there is no reason why a standalone MAC in a
> NIC could not implement such LEDs. So yes,
> ethernet-controller.yaml.
> 
> Is there actually anything above ethernet-controller.yaml?

Yes, the one under review[1].

Rob
 
[1] https://lore.kernel.org/all/20230203-dt-bindings-network-class-v2-0-499686795073@jannau.net/