Add devicetree bindings for onsemi's NCN26000 10BASE-T1S PHY. Signed-off-by: Jay Monkman <jtm@xxxxxxxxxxxxx> --- .../bindings/net/onnn,ncn26000.yaml | 177 ++++++++++++++++++ 1 file changed, 177 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/onnn,ncn26000.yaml diff --git a/Documentation/devicetree/bindings/net/onnn,ncn26000.yaml b/Documentation/devicetree/bindings/net/onnn,ncn26000.yaml new file mode 100644 index 000000000000..b0b1e1ea86f2 --- /dev/null +++ b/Documentation/devicetree/bindings/net/onnn,ncn26000.yaml @@ -0,0 +1,177 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/onnn,ncn26000.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: onsemi NCN26000 10BASE-T1S Ethernet PHY + +maintainers: + - Jay Monkman <jtm@xxxxxxxxxxxxx> + +description: | + Bindings for onsemi NCN26000 10BASE-T1S ethernet PHY. + +allOf: + - $ref: ethernet-phy.yaml# + +properties: + description: | + Sets the transmitter amplitude gain. If not specified, + gain is set to 1.0V (1v0) + tx-gain: + enum: + - 1v1 + - 1v0 + - 0v9 + - 0v8 + + tx-slew: + description: | + Sets the slew rate of the TX line driver output. Defaults + to slow if not set. + enum: + - fast + - slow + + dig-slew: + description: | + Sets the slew rate of the digital output pins. Defaults + to slow if not set. + enum: + - fast + - slow + + cmc-comp: + description: | + Sets the common mode choke resistance (CMC compensation). + Defaults to 0-0.5 ohm (0p25) if not set. + enum: + - 0p25 + - 1p38 + - 3p00 + - 3p37 + + plca-precedence: + description: | + Enables PLCA precedence mode. Defaults to off if not + set. + type: boolean + + eni-mode: + description: | + Enables Enhanced Noise Immunity mode. Defaults to off if + not set. + enum: + - force-on + - force-off + - auto + + tx-pkt-loop: + description: | + Enables packet loopback mode. Defaults to off is not set. + type: boolean + + unjab-tmr-disable: + description: | + Disables the Unjab Timer. When disabled, device transmission + will be stopped due to a jabber error and only restarted on + device reset. If not set, this defaults to enabled. + type: boolean + + col-disable: + description: | + Disables collision masking. Defaults to enabled if not set. + type: boolean + + no-rx-delay: + description: | + Disables the RX internal path delay. Defaults to enabled if + not set. + type: boolean + + dio0-fn: + description: | + Selects the DIO0 pin output function. Defaults to disabled if + not set. + enum: + - sfd-tx + - sfd-rx + - sfd-rxtx + - led-link + - led-plca + - led-tx + - led-rx + - led-rxtx + - clk25m + + dio0-pullup: + description: | + Enables the DIO0 pin pullup. Defaults to no pull up if not + set. + type: boolean + + dio0-active-high: + description: | + Sets DIO0 pin output state. Defaults to low if not set + type: boolean + + dio0-slew: + description: | + Sets the slew rate of the DIO0 pin. Defaults to slow if not set. + enum: + - fast + - slow + + dio1-fn: + description: | + Selects the DIO1 pin output function. Defaults to disabled if + not set. + enum: + - sfd-tx + - sfd-rx + - sfd-rxtx + - led-link + - led-plca + - led-tx + - led-rx + - led-rxtx + - clk25m + + dio1-pullup: + description: | + Enables the DIO1 pin pullup. Defaults to no pull up if not + set. + type: boolean + + dio1-active-high: + description: | + Sets DIO1 pin output state. Defaults to low if not set + type: boolean + + dio1-slew: + description: | + Sets the slew rate of the DIO1 pin. Defaults to slow if not set. + enum: + - fast + - slow + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + ephy0: ethernet-phy@0 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <0>; + dio0-fn = "gpio"; + dio0-slew = "slow"; + dio1-fn = "gpio"; + dio1-slew = "slow"; + eni-enable; + device_type = "ethernet-phy"; + }; + }; -- 2.40.1
