[PATCH v2 1/3] dt-bindings: net: Add Actions Semi Owl Ethernet MAC binding
flat view
STALE2046d
SUPERSEDED
From: Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
Date: 2021-03-15 11:30:23
Also in:
linux-arm-kernel, linux-devicetree, lkml
Subsystem:
arm/actions semi architecture, networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andreas Färber, Manivannan Sadhasivam, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Status: Superseded by v3 (posted 2021-03-21). [go to v3]
Revision v2 (3 revisions archived).
Revisions (3)
- v1
- v2 current [diff against previous]
- v3 [diff against previous]
Add devicetree binding for the Ethernet MAC present on the Actions Semi Owl family of SoCs. For the moment advertise only the support for the Actions Semi S500 SoC variant. Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@gmail.com> --- .../bindings/net/actions,owl-emac.yaml | 92 +++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/actions,owl-emac.yaml
diff --git a/Documentation/devicetree/bindings/net/actions,owl-emac.yaml b/Documentation/devicetree/bindings/net/actions,owl-emac.yaml
new file mode 100644
index 000000000000..1626e0a821b0
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/actions,owl-emac.yaml@@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/actions,owl-emac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Actions Semi Owl SoCs Ethernet MAC Controller + +maintainers: + - Cristian Ciocaltea <cristian.ciocaltea@gmail.com> + +description: | + This Ethernet MAC is used on the Owl family of SoCs from Actions Semi. + It provides the RMII and SMII interfaces and is compliant with the + IEEE 802.3 CSMA/CD standard, supporting both half-duplex and full-duplex + operation modes at 10/100 Mb/s data transfer rates. + +allOf: + - $ref: "ethernet-controller.yaml#" + +properties: + compatible: + oneOf: + - const: actions,owl-emac + - items: + - enum: + - actions,s500-emac + - const: actions,owl-emac + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 2 + maxItems: 2 + + clock-names: + additionalItems: false + items: + - const: eth + - const: rmii + + resets: + maxItems: 1 + + actions,ethcfg: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the device containing custom config. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - resets + - phy-mode + - phy-handle + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/actions,s500-cmu.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/reset/actions,s500-reset.h> + + ethernet@b0310000 { + compatible = "actions,s500-emac", "actions,owl-emac"; + reg = <0xb0310000 0x10000>; + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cmu 59 /*CLK_ETHERNET*/>, <&cmu CLK_RMII_REF>; + clock-names = "eth", "rmii"; + resets = <&cmu RESET_ETHERNET>; + phy-mode = "rmii"; + phy-handle = <ð_phy>; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + eth_phy: ethernet-phy@3 { + reg = <0x3>; + interrupt-parent = <&sirq>; + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + }; + }; + };
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2.30.2