| Message ID | 20200721171316.1427582-3-codrin.ciubotariu@microchip.com |
|---|---|
| State | Changes Requested |
| Delegated to: | David Miller |
| Headers | show |
| Series | Add an MDIO sub-node under MACB | expand |
On Tue, 21 Jul 2020 20:13:11 +0300, Codrin Ciubotariu wrote: > The MACB driver embeds an MDIO bus controller and for this reason there > was no need for an MDIO sub-node present to contain the PHY nodes. Adding > MDIO devies directly under an Ethernet node is deprecated, so an MDIO node > is included to contain of the PHY nodes (and other MDIO devices' nodes). > > Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com> > --- > > Changes in v2: > - patch renamed from "macb: bindings doc: use an MDIO node as a > container for PHY nodes" to "dt-bindings: net: macb: use an MDIO > node as a container for PHY nodes" > > Documentation/devicetree/bindings/net/macb.txt | 15 ++++++++++++--- > 1 file changed, 12 insertions(+), 3 deletions(-) > Reviewed-by: Rob Herring <robh@kernel.org>
On 7/21/20 10:13 AM, Codrin Ciubotariu wrote: > The MACB driver embeds an MDIO bus controller and for this reason there > was no need for an MDIO sub-node present to contain the PHY nodes. Adding > MDIO devies directly under an Ethernet node is deprecated, so an MDIO node > is included to contain of the PHY nodes (and other MDIO devices' nodes). > > Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
diff --git a/Documentation/devicetree/bindings/net/macb.txt b/Documentation/devicetree/bindings/net/macb.txt index 0b61a90f1592..88d5199c2279 100644 --- a/Documentation/devicetree/bindings/net/macb.txt +++ b/Documentation/devicetree/bindings/net/macb.txt @@ -32,6 +32,11 @@ Required properties: The MAC address will be determined using the optional properties defined in ethernet.txt. +Optional subnodes: +- mdio : specifies the MDIO bus in the MACB, used as a container for PHY nodes or other + nodes of devices present on the MDIO bus. Please see ethernet-phy.yaml in the same + directory for more details. + Optional properties for PHY child node: - reset-gpios : Should specify the gpio for phy reset - magic-packet : If present, indicates that the hardware supports waking @@ -48,8 +53,12 @@ Examples: local-mac-address = [3a 0e 03 04 05 06]; clock-names = "pclk", "hclk", "tx_clk"; clocks = <&clkc 30>, <&clkc 30>, <&clkc 13>; - ethernet-phy@1 { - reg = <0x1>; - reset-gpios = <&pioE 6 1>; + mdio { + #address-cells = <1>; + #size-cells = <0>; + ethernet-phy@1 { + reg = <0x1>; + reset-gpios = <&pioE 6 1>; + }; }; };
The MACB driver embeds an MDIO bus controller and for this reason there was no need for an MDIO sub-node present to contain the PHY nodes. Adding MDIO devies directly under an Ethernet node is deprecated, so an MDIO node is included to contain of the PHY nodes (and other MDIO devices' nodes). Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com> --- Changes in v2: - patch renamed from "macb: bindings doc: use an MDIO node as a container for PHY nodes" to "dt-bindings: net: macb: use an MDIO node as a container for PHY nodes" Documentation/devicetree/bindings/net/macb.txt | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-)