Document Qcom QCA807x PHY package. Qualcomm QCA807X Ethernet PHY is PHY package of 2 or 5 IEEE 802.3 clause 22 compliant 10BASE-Te, 100BASE-TX and 1000BASE-T PHY-s. Document the required property to make the PHY package correctly configure and work. Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx> --- .../devicetree/bindings/net/qcom,qca807x.yaml | 136 ++++++++++++++++++ 1 file changed, 136 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/qcom,qca807x.yaml diff --git a/Documentation/devicetree/bindings/net/qcom,qca807x.yaml b/Documentation/devicetree/bindings/net/qcom,qca807x.yaml new file mode 100644 index 000000000000..136ba2128b73 --- /dev/null +++ b/Documentation/devicetree/bindings/net/qcom,qca807x.yaml @@ -0,0 +1,136 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/qcom,qca807x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm QCA807X Ethernet PHY + +maintainers: + - Christian Marangi <ansuelsmth@xxxxxxxxx> + - Robert Marko <robert.marko@xxxxxxxxxx> + +description: | + Qualcomm QCA807X Ethernet PHY is PHY package of 2 or 5 + IEEE 802.3 clause 22 compliant 10BASE-Te, 100BASE-TX and + 1000BASE-T PHY-s. + + They feature 2 SerDes, one for PSGMII or QSGMII connection with + MAC, while second one is SGMII for connection to MAC or fiber. + + Both models have a combo port that supports 1000BASE-X and + 100BASE-FX fiber. + + Each PHY inside of QCA807x series has 4 digitally controlled + output only pins that natively drive LED-s for up to 2 attached + LEDs. Some vendor also use these 4 output for GPIO usage without + attaching LEDs. + + Note that output pins can be set to drive LEDs OR GPIO, mixed + definition are not accepted. + + PHY package can be configured in 3 mode following this table: + + First Serdes mode Second Serdes mode + Option 1 PSGMII for copper Disabled + ports 0-4 + Option 2 PSGMII for copper 1000BASE-X / 100BASE-FX + ports 0-4 + Option 3 QSGMII for copper SGMII for + ports 0-3 copper port 4 + +$ref: ethernet-phy-package.yaml# + +properties: + qcom,package-mode: + enum: + - qsgmii + - psgmii + + qcom,tx-driver-strength: + description: set the TX Amplifier value in mv. + If not defined, 600mw is set by default. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [140, 160, 180, 200, 220, + 240, 260, 280, 300, 320, + 400, 500, 600] + +patternProperties: + ^ethernet-phy(@[a-f0-9]+)?$: + $ref: ethernet-phy.yaml# + + properties: + gpio-controller: + description: set the output lines as GPIO instead of LEDs + type: boolean + + '#gpio-cells': + description: number of GPIO cells for the PHY + const: 2 + + dependencies: + gpio-controller: ['#gpio-cells'] + + if: + required: + - gpio-controller + then: + properties: + leds: false + + unevaluatedProperties: false + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/leds/common.h> + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethernet-phy-package@0 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "ethernet-phy-package"; + reg = <0>; + + qcom,package-mode = "qsgmii"; + + ethernet-phy@0 { + reg = <0>; + + leds { + #address-cells = <1>; + #size-cells = <0>; + + led@0 { + reg = <0>; + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_LAN; + default-state = "keep"; + }; + }; + }; + + ethernet-phy@1 { + reg = <1>; + }; + + ethernet-phy@2 { + reg = <2>; + + gpio-controller; + #gpio-cells = <2>; + }; + + ethernet-phy@3 { + reg = <3>; + }; + + ethernet-phy@4 { + reg = <4>; + }; + }; + }; -- 2.40.1
