[PATCH v2 1/2] dt-bindings: net: Add bindings for LiteETH
From: Joel Stanley <joel@jms.id.au>
Date: 2021-08-20 07:47:45
Also in:
linux-devicetree, lkml
Subsystem:
litex platform, networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Karol Gugala, Mateusz Holenko, Joel Stanley, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
LiteETH is a small footprint and configurable Ethernet core for FPGA based system on chips. Signed-off-by: Joel Stanley <joel@jms.id.au> --- v2: - Fix dtschema check warning relating to registers - Add names to the registers to make it easier to distinguish which is what region - Add mdio description - Includ ethernet-controller parent description .../bindings/net/litex,liteeth.yaml | 79 +++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/litex,liteeth.yaml
diff --git a/Documentation/devicetree/bindings/net/litex,liteeth.yaml b/Documentation/devicetree/bindings/net/litex,liteeth.yaml
new file mode 100644
index 000000000000..30f8f8b0b657
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/litex,liteeth.yaml@@ -0,0 +1,79 @@ +# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/litex,liteeth.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LiteX LiteETH ethernet device + +maintainers: + - Joel Stanley <joel@jms.id.au> + +description: | + LiteETH is a small footprint and configurable Ethernet core for FPGA based + system on chips. + + The hardware source is Open Source and can be found on at + https://github.com/enjoy-digital/liteeth/. + +allOf: + - $ref: ethernet-controller.yaml# + +properties: + compatible: + const: litex,liteeth + + reg: + minItems: 3 + items: + - description: MAC registers + - description: MDIO registers + - description: Packet buffer + + reg-names: + minItems: 3 + + interrupts: + maxItems: 1 + + rx-fifo-depth: true + tx-fifo-depth: true + mac-address: true + local-mac-address: true + phy-handle: true + + mdio: + $ref: mdio.yaml# + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + mac: ethernet@8020000 { + compatible = "litex,liteeth"; + reg = <0x8021000 0x100>, + <0x8020800 0x100>, + <0x8030000 0x2000>; + reg-names = "mac", "mdio", "buffer"; + rx-fifo-depth = <1024>; + tx-fifo-depth = <1024>; + interrupts = <0x11 0x1>; + phy-handle = <ð_phy>; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + eth_phy: ethernet-phy@0 { + reg = <0>; + }; + }; + }; +... + +# vim: set ts=2 sw=2 sts=2 tw=80 et cc=80 ft=yaml :
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2.32.0