From: Andrew Lunn <andrew@lunn.ch>
To: "Wang, Dongsheng" <dongsheng.wang@hxt-semitech.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
"timur@kernel.org" <timur@kernel.org>,
"davem@davemloft.net" <davem@davemloft.net>,
"Zheng, Joey" <yu.zheng@hxt-semitech.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: Re: [PATCH v2 2/4] dt-bindings: net: qcom: Add binding for shared mdio bus
Date: Tue, 18 Sep 2018 14:35:45 +0200 [thread overview]
Message-ID: <20180918123545.GA29092@lunn.ch> (raw)
In-Reply-To: <71ba0057c5e547c382793be899e3268a@HXTBJIDCEMVIW02.hxtcorp.net>
> > If you want to describe the MDIO controller, then you embed a mdio
> > subnode into your Ethernet MAC node:
> >
> > emac0: ethernet@feb20000 {
> > mdio {
> > #address-cells = <1>;
> > #size-cells = <0>;
> >
> > phy0: ethernet-phy@0 {
> > reg = <0>;
> > };
> > };
> > };
> >
> > And then each Ethernet MAC controller refers to their appropriate PHY
> > device tree node using a phy-handle property to point to either their
> > own MDIO controller, or another MAC's MDIO controller.
> Sorry, I do not understand how phy-handle point to MDIO controller,
> because phy-handle is defined to point to a phy.
The MAC driver does not care what MDIO controller a PHY is on. All you
need to do to register the PHY is:
phy_node = of_parse_phandle(np, "phy-handle", 0);
phy_interface = of_get_phy_mode(np);
phydev = of_phy_connect(dev, phy_node,
&handle_link_change, 0,
phy_interface);
Andrew
next prev parent reply other threads:[~2018-09-18 18:08 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-17 8:53 [PATCH v2 0/4] net: qcom/emac: add shared mdio bus support Wang Dongsheng
2018-09-17 8:53 ` [PATCH v2 1/4] net: qcom/emac: split phy_config to mdio bus create and get phy device Wang Dongsheng
2018-09-17 8:53 ` [PATCH v2 2/4] dt-bindings: net: qcom: Add binding for shared mdio bus Wang Dongsheng
2018-09-17 14:50 ` Andrew Lunn
2018-09-17 16:47 ` Wang, Dongsheng
2018-09-17 16:54 ` Florian Fainelli
2018-09-18 8:47 ` Wang, Dongsheng
2018-09-18 12:35 ` Andrew Lunn [this message]
2018-09-19 9:19 ` Wang, Dongsheng
2018-09-19 12:25 ` Andrew Lunn
2018-09-19 14:05 ` Timur Tabi
2018-09-19 15:20 ` Andrew Lunn
2018-09-20 13:42 ` Timur Tabi
2018-10-25 10:08 ` [PATCH v3 0/2] net: qcom/emac: add shared mdio bus support Wang Dongsheng
2018-10-25 10:08 ` [PATCH v3 1/2] net: qcom/emac: split phy_config to mdio bus create and get phy device Wang Dongsheng
2018-10-25 10:09 ` [PATCH v3 2/2] net: qcom/emac: add phy-handle support for ACPI Wang Dongsheng
2018-10-25 19:24 ` Andrew Lunn
2018-10-26 2:18 ` Wang, Dongsheng
2018-10-26 2:37 ` Timur Tabi
2018-10-26 3:04 ` Wang, Dongsheng
2018-10-26 13:13 ` Andrew Lunn
2018-10-29 2:39 ` Wang, Dongsheng
2018-10-29 12:40 ` Andrew Lunn
2018-10-30 5:15 ` Wang, Dongsheng
2018-11-08 7:21 ` [RFC PATCH 0/3] acpi: Add acpi mdio support code Wang Dongsheng
2018-11-08 7:22 ` [RFC PATCH 1/3] " Wang Dongsheng
2018-11-08 7:45 ` Rafael J. Wysocki
2018-11-08 7:55 ` Wang, Dongsheng
2018-11-08 8:01 ` Rafael J. Wysocki
2018-11-12 17:25 ` Andrew Lunn
2018-11-08 7:22 ` [RFC PATCH 2/3] net: qcom/emac: split phy_config to mdio bus create and get phy device Wang Dongsheng
2018-11-08 7:22 ` [RFC PATCH 3/3] net: qcom/emac: add phy-handle support for ACPI Wang Dongsheng
2018-11-08 23:23 ` [RFC PATCH 0/3] acpi: Add acpi mdio support code Andrew Lunn
2018-11-09 0:37 ` Timur Tabi
2018-11-10 9:10 ` Wang, Dongsheng
2018-11-12 17:20 ` Andrew Lunn
2018-11-13 7:36 ` Wang, Dongsheng
2018-11-12 2:52 ` Wang, Dongsheng
2018-09-20 1:33 ` [PATCH v2 2/4] dt-bindings: net: qcom: Add binding for shared mdio bus Wang, Dongsheng
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