Document ethernet PHY package nodes used to describe PHY shipped in bundle of 2-5 PHY. The special node describe a container of PHY that share common properties. This is a generic schema and PHY package should create specialized version with the required additional shared properties. Example are PHY packages that have some regs only in one PHY of the package and will affect every other PHY in the package, for example related to PHY interface mode calibration or global PHY mode selection. The PHY package node MUST declare the base address used by the PHY driver for global configuration by calculating the offsets of the global PHY based on the base address of the PHY package. Each reg of the PHYs defined in the PHY Package node is an offset of the PHY Package reg. Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx> --- .../bindings/net/ethernet-phy-package.yaml | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/ethernet-phy-package.yaml diff --git a/Documentation/devicetree/bindings/net/ethernet-phy-package.yaml b/Documentation/devicetree/bindings/net/ethernet-phy-package.yaml new file mode 100644 index 000000000000..d7cdbb1a4b3e --- /dev/null +++ b/Documentation/devicetree/bindings/net/ethernet-phy-package.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/ethernet-phy-package.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ethernet PHY Package Common Properties + +maintainers: + - Christian Marangi <ansuelsmth@xxxxxxxxx> + +description: + PHY packages are multi-port Ethernet PHY of the same family + and each Ethernet PHY is affected by the global configuration + of the PHY package. + + Each reg of the PHYs defined in the PHY Package node is + an offset of the PHY Package reg. + + Each Ethernet PHYs defined in the PHY package node is + reachable in the MDIO bus at the address of the PHY + Package offset of the Ethernet PHY reg. + +properties: + $nodename: + pattern: "^ethernet-phy-package(@[a-f0-9]+)?$" + + reg: + minimum: 0 + maximum: 31 + description: + The base ID number for the PHY package. + Commonly the ID of the first PHY in the PHY package. + + Some PHY in the PHY package might be not defined but + still occupy ID on the device (just not attached to + anything) hence the PHY package reg might correspond + to a not attached PHY (offset 0). + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +patternProperties: + ^ethernet-phy(@[a-f0-9]+)?$: + $ref: ethernet-phy.yaml# + +required: + - reg + - '#address-cells' + - '#size-cells' + +additionalProperties: true -- 2.43.0
