This change adds bindings for the Analog Devices ADIN PHY driver, detailing all the properties implemented by the driver. Reviewed-by: Andrew Lunn <andrew@xxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> --- .../devicetree/bindings/net/adi,adin.yaml | 73 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 74 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/adi,adin.yaml diff --git a/Documentation/devicetree/bindings/net/adi,adin.yaml b/Documentation/devicetree/bindings/net/adi,adin.yaml new file mode 100644 index 000000000000..69375cb28e92 --- /dev/null +++ b/Documentation/devicetree/bindings/net/adi,adin.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: GPL-2.0+ +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/adi,adin.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices ADIN1200/ADIN1300 PHY + +maintainers: + - Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> + +description: | + Bindings for Analog Devices Industrial Ethernet PHYs + +allOf: + - $ref: ethernet-phy.yaml# + +properties: + adi,rx-internal-delay-ps: + description: | + RGMII RX Clock Delay used only when PHY operates in RGMII mode with + internal delay (phy-mode is 'rgmii-id' or 'rgmii-rxid') in pico-seconds. + enum: [ 1600, 1800, 2000, 2200, 2400 ] + default: 2000 + + adi,tx-internal-delay-ps: + description: | + RGMII TX Clock Delay used only when PHY operates in RGMII mode with + internal delay (phy-mode is 'rgmii-id' or 'rgmii-txid') in pico-seconds. + enum: [ 1600, 1800, 2000, 2200, 2400 ] + default: 2000 + + adi,fifo-depth-bits: + description: | + When operating in RMII mode, this option configures the FIFO depth. + enum: [ 4, 8, 12, 16, 20, 24 ] + default: 8 + + adi,disable-energy-detect: + description: | + Disables Energy Detect Powerdown Mode (default disabled, i.e energy detect + is enabled if this property is unspecified) + type: boolean + +examples: + - | + ethernet { + #address-cells = <1>; + #size-cells = <0>; + + phy-mode = "rgmii-id"; + + ethernet-phy@0 { + reg = <0>; + + adi,rx-internal-delay-ps = <1800>; + adi,tx-internal-delay-ps = <2200>; + }; + }; + - | + ethernet { + #address-cells = <1>; + #size-cells = <0>; + + phy-mode = "rmii"; + + ethernet-phy@1 { + reg = <1>; + + adi,fifo-depth-bits = <16>; + adi,disable-energy-detect; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index e8aa8a667864..fd9ab61c2670 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -944,6 +944,7 @@ L: netdev@xxxxxxxxxxxxxxx W: http://ez.analog.com/community/linux-device-drivers S: Supported F: drivers/net/phy/adin.c +F: Documentation/devicetree/bindings/net/adi,adin.yaml ANALOG DEVICES INC ADIS DRIVER LIBRARY M: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> -- 2.20.1
