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The GMAC IP on Spacemit K3 is almost a standard Synopsys DesignWare MAC (version 5.40a) with some extra clock. Add necessary compatible string for this device. Signed-off-by: Inochi Amaoto <inochiama@gmail.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20260316010041.164360-2-inochiama@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
103 lines
2.2 KiB
YAML
103 lines
2.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/spacemit,k3-dwmac.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Spacemit K3 DWMAC glue layer
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maintainers:
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- Inochi Amaoto <inochiama@gmail.com>
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select:
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properties:
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compatible:
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contains:
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const: spacemit,k3-dwmac
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required:
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- compatible
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properties:
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compatible:
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items:
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- const: spacemit,k3-dwmac
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- const: snps,dwmac-5.40a
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reg:
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maxItems: 1
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clocks:
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items:
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- description: GMAC application clock
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- description: PTP clock
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- description: TX clock
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clock-names:
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items:
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- const: stmmaceth
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- const: ptp_ref
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- const: tx
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interrupts:
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minItems: 1
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items:
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- description: MAC interrupt
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- description: MAC wake interrupt
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interrupt-names:
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minItems: 1
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items:
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- const: macirq
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- const: eth_wake_irq
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resets:
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maxItems: 1
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reset-names:
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const: stmmaceth
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spacemit,apmu:
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$ref: /schemas/types.yaml#/definitions/phandle-array
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items:
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- items:
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- description: phandle to the syscon node which control the glue register
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- description: offset of the control register
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- description: offset of the dline register
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description:
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A phandle to syscon with offset to control registers for this MAC
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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- interrupts
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- interrupt-names
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- resets
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- reset-names
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- spacemit,apmu
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allOf:
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- $ref: snps,dwmac.yaml#
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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ethernet@cac80000 {
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compatible = "spacemit,k3-dwmac", "snps,dwmac-5.40a";
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reg = <0xcac80000 0x2000>;
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clocks = <&syscon_apmu 66>, <&syscon_apmu 68>,
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<&syscon_apmu 69>;
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clock-names = "stmmaceth", "ptp_ref", "tx";
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interrupts = <131 IRQ_TYPE_LEVEL_HIGH>, <276 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "macirq", "eth_wake_irq";
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phy-mode = "rgmii-id";
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phy-handle = <&phy0>;
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resets = <&syscon_apmu 67>;
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reset-names = "stmmaceth";
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spacemit,apmu = <&syscon_apmu 0x384 0x38c>;
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};
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