Add bindings for the SerDes of the Realtek Otto platform. These are MIPS based network Switch SoCs with up to 52 ports divided into four different model lines. Signed-off-by: Markus Stockhausen <markus.stockhausen@xxxxxx> --- Changes in v5 - drop nodename - drop items from compatible Changes in v4 - fixed addresses in example - missing firmware-name denotes "skip firmware" instead empty string - fixed reg porperty Changes in v3 - renamed to realtek,rtl8380m-serdes.yaml - removed parameter controlled-ports - verified with make dt_binding_check - recipient list according to get_maintainers Changes in v2: - new subject - removed patch command sequences - renamed parameter controlled-ports to realtek,controlled-ports --- .../bindings/phy/realtek,rtl8380m-serdes.yaml | 59 +++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/realtek,rtl8380m-serdes.yaml diff --git a/Documentation/devicetree/bindings/phy/realtek,rtl8380m-serdes.yaml b/Documentation/devicetree/bindings/phy/realtek,rtl8380m-serdes.yaml new file mode 100644 index 000000000000..13b11c011153 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/realtek,rtl8380m-serdes.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/realtek,rtl8380m-serdes.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Realtek Otto SerDes controller + +maintainers: + - Markus Stockhausen <markus.stockhausen@xxxxxx> + +description: + The MIPS based Realtek Switch SoCs of the Realtek RTL838x, RTL839x, RTL930x + and RTL931x series have multiple SerDes built in. They are linked to single, + quad or octa PHYs like the RTL8218B, RTL8218D or RTL8214FC and are one of + the integral part of the up-to-52-port switch architecture. Although these + SerDes controllers have common basics they are designed differently in the + SoC families. + +properties: + compatible: + enum: + - realtek,rtl8380m-serdes + - realtek,rtl8392m-serdes + - realtek,rtl9302b-serdes + - realtek,rtl9311-serdes + + reg: + maxItems: 1 + + "#phy-cells": + const: 4 + description: + The first number defines the SerDes to use. The second number a linked + SerDes. E.g. if a octa 1G PHY is attached to two QSGMII SerDes. The third + number is the first switch port this SerDes is working for, the fourth + number is the last switch port the SerDes is working for. + + firmware-name: + maxItems: 1 + description: + If present, name (or relative path) of the file within the firmware + search path containing the firmware image to patch the SerDes. + +required: + - compatible + - reg + - "#phy-cells" + +additionalProperties: false + +examples: + - | + serdes: phy@1b0003b0 { + compatible = "realtek,rtl9302b-serdes"; + reg = <0x1b0003b0 0x8>; + firmware-name = "zyxel-xgs1210-12-serdes.fw"; + #phy-cells = <4>; + }; -- 2.46.2
