From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Chris Snook <chris.snook@gmail.com>,
Florian Fainelli <f.fainelli@gmail.com>,
James Hogan <jhogan@kernel.org>, Jay Cliburn <jcliburn@gmail.com>,
Mark Rutland <mark.rutland@arm.com>,
Paul Burton <paul.burton@mips.com>,
Ralf Baechle <ralf@linux-mips.org>,
Rob Herring <robh+dt@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Vivien Didelot <vivien.didelot@gmail.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
"David S. Miller" <davem@davemloft.net>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org, linux-mips@vger.kernel.org
Subject: Re: [PATCH v1 2/4] dt-bindings: net: dsa: qca,ar9331 switch documentation
Date: Wed, 16 Oct 2019 14:40:15 +0200 [thread overview]
Message-ID: <20191016124015.joawodelm23xkzga@pengutronix.de> (raw)
In-Reply-To: <20191016122152.GE4780@lunn.ch>
On Wed, Oct 16, 2019 at 02:21:52PM +0200, Andrew Lunn wrote:
> On Mon, Oct 14, 2019 at 08:15:47AM +0200, Oleksij Rempel wrote:
> > Atheros AR9331 has built-in 5 port switch. The switch can be configured
> > to use all 5 or 4 ports. One of built-in PHYs can be used by first built-in
> > ethernet controller or to be used directly by the switch over second ethernet
> > controller.
> >
> > Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> > ---
> > .../devicetree/bindings/net/dsa/ar9331.txt | 155 ++++++++++++++++++
> > 1 file changed, 155 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/net/dsa/ar9331.txt
> >
> > diff --git a/Documentation/devicetree/bindings/net/dsa/ar9331.txt b/Documentation/devicetree/bindings/net/dsa/ar9331.txt
> > new file mode 100644
> > index 000000000000..b0f95fd19584
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/net/dsa/ar9331.txt
> > @@ -0,0 +1,155 @@
> > +Atheros AR9331 built-in switch
> > +=============================
> > +
> > +It is a switch built-in to Atheros AR9331 WiSoC and addressable over internal
> > +MDIO bus. All PHYs are build-in as well.
> > +
> > +Required properties:
> > +
> > + - compatible: should be: "qca,ar9331-switch"
> > + - reg: Address on the MII bus for the switch.
> > + - resets : Must contain an entry for each entry in reset-names.
> > + - reset-names : Must include the following entries: "switch"
> > + - interrupt-parent: Phandle to the parent interrupt controller
> > + - interrupts: IRQ line for the switch
> > + - interrupt-controller: Indicates the switch is itself an interrupt
> > + controller. This is used for the PHY interrupts.
> > + - #interrupt-cells: must be 1
> > + - mdio: Container of PHY and devices on the switches MDIO bus.
> > +
> > +See Documentation/devicetree/bindings/net/dsa/dsa.txt for a list of additional
> > +required and optional properties.
> > +Examples:
> > +
> > +eth0: ethernet@19000000 {
> > + compatible = "qca,ar9330-eth";
> > + reg = <0x19000000 0x200>;
> > + interrupts = <4>;
> > +
> > + resets = <&rst 9>, <&rst 22>;
> > + reset-names = "mac", "mdio";
> > + clocks = <&pll ATH79_CLK_AHB>, <&pll ATH79_CLK_AHB>;
> > + clock-names = "eth", "mdio";
> > +
> > + phy-mode = "mii";
> > + phy-handle = <&phy_port4>;
>
> This does not seem like a valid example. If phy_port4 is listed here,
> i would expect switch_port 5 to be totally missing?
hm... right.
phy4 can be used with switch_port 5 or eth0. Should i remove completely
switch_port 5 node or it is enough to "disable" it.
> > +};
> > +
> > +eth1: ethernet@1a000000 {
> > + compatible = "qca,ar9330-eth";
> > + reg = <0x1a000000 0x200>;
> > + interrupts = <5>;
> > + resets = <&rst 13>, <&rst 23>;
> > + reset-names = "mac", "mdio";
> > + clocks = <&pll ATH79_CLK_AHB>, <&pll ATH79_CLK_AHB>;
> > + clock-names = "eth", "mdio";
> > +
> > + phy-mode = "gmii";
> > + phy-handle = <&switch_port0>;
> > +
> > + fixed-link {
> > + speed = <1000>;
> > + full-duplex;
> > + };
>
> You also cannot have both a fixed-link and a phy-handle.
ok.
>
> > +
> > + mdio {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + switch10: switch@10 {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + compatible = "qca,ar9331-switch";
> > + reg = <16>;
>
> Maybe don't mix up hex and decimal? switch16: switch@16.
ok. will fix it. What is actually proper way to set the reg of switch?
This switch is responding on range of phy addresses: any of two high bits of 5
bit phy address.
Regards,
Oleksij
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next prev parent reply other threads:[~2019-10-16 12:40 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-14 6:15 [PATCH v1 0/4] add dsa switch support for ar9331 Oleksij Rempel
2019-10-14 6:15 ` [PATCH v1 1/4] net: ag71xx: port to phylink Oleksij Rempel
2019-10-16 12:12 ` Andrew Lunn
2019-10-16 12:24 ` Oleksij Rempel
2019-10-16 13:32 ` Andrew Lunn
2019-10-16 17:45 ` David Miller
2019-10-14 6:15 ` [PATCH v1 2/4] dt-bindings: net: dsa: qca,ar9331 switch documentation Oleksij Rempel
2019-10-16 12:21 ` Andrew Lunn
2019-10-16 12:40 ` Oleksij Rempel [this message]
2019-10-16 20:23 ` Andrew Lunn
2019-10-17 6:42 ` Oleksij Rempel
2019-10-14 6:15 ` [PATCH v1 3/4] MIPS: ath79: ar9331: add ar9331-switch node Oleksij Rempel
2019-10-14 6:15 ` [PATCH v1 4/4] net: dsa: add support for Atheros AR9331 build-in switch Oleksij Rempel
2019-10-16 13:00 ` Andrew Lunn
2019-10-16 14:07 ` Oleksij Rempel
2019-10-16 16:20 ` Fabio Estevam
2019-10-17 18:35 ` Florian Fainelli
2019-10-18 4:52 ` Oleksij Rempel
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