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| author | Tobias Waldekranz <tobias@waldekranz.com> | 2020-03-23 11:14:13 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-03-27 03:49:34 +0100 |
| commit | 61e0150cb44b546dceb4b9f498a7def344d342b0 (patch) | |
| tree | 5429e5769aa3327f96815932e6a083b65ee1451b | |
| parent | net: phy: probe PHY drivers synchronously (diff) | |
| download | linux-61e0150cb44b546dceb4b9f498a7def344d342b0.tar.xz linux-61e0150cb44b546dceb4b9f498a7def344d342b0.zip | |
dt-bindings: net: add marvell usb to mdio bindings
Describe how the USB to MDIO controller can optionally use device tree
bindings to reference attached devices such as switches.
Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | Documentation/devicetree/bindings/net/marvell,mvusb.yaml | 65 | ||||
| -rw-r--r-- | MAINTAINERS | 6 |
2 files changed, 71 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/marvell,mvusb.yaml b/Documentation/devicetree/bindings/net/marvell,mvusb.yaml new file mode 100644 index 000000000000..9458f6659be1 --- /dev/null +++ b/Documentation/devicetree/bindings/net/marvell,mvusb.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/marvell,mvusb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Marvell USB to MDIO Controller + +maintainers: + - Tobias Waldekranz <tobias@waldekranz.com> + +description: |+ + This controller is mounted on development boards for Marvell's Link Street + family of Ethernet switches. It allows you to configure the switch's registers + using the standard MDIO interface. + + Since the device is connected over USB, there is no strict requirement of + having a device tree representation of the device. But in order to use it with + the mv88e6xxx driver, you need a device tree node in which to place the switch + definition. + +allOf: + - $ref: "mdio.yaml#" + +properties: + compatible: + const: usb1286,1fa4 + reg: + maxItems: 1 + description: The USB port number on the host controller + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + +examples: + - | + /* USB host controller */ + &usb1 { + mvusb: mdio@1 { + compatible = "usb1286,1fa4"; + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + }; + }; + + /* MV88E6390X devboard */ + &mvusb { + switch@0 { + compatible = "marvell,mv88e6190"; + status = "ok"; + reg = <0x0>; + + ports { + /* Port definitions */ + }; + + mdio { + /* PHY definitions */ + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index feccc0aa2720..8e091a7566c9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10106,6 +10106,12 @@ M: Nicolas Pitre <nico@fluxnic.net> S: Odd Fixes F: drivers/mmc/host/mvsdio.* +MARVELL USB MDIO CONTROLLER DRIVER +M: Tobias Waldekranz <tobias@waldekranz.com> +L: netdev@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/net/marvell,mvusb.yaml + MARVELL XENON MMC/SD/SDIO HOST CONTROLLER DRIVER M: Hu Ziji <huziji@marvell.com> L: linux-mmc@vger.kernel.org |