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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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e281c48a73
The GMAC IP on SG2042 is a standard Synopsys DesignWare MAC (version 5.00a) with tx clock. Add necessary compatible string for this device. Signed-off-by: Inochi Amaoto <inochiama@gmail.com> Tested-by: Han Gao <rabenda.cn@gmail.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://patch.msgid.link/20250708064052.507094-2-inochiama@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
133 lines
2.7 KiB
YAML
133 lines
2.7 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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$id: http://devicetree.org/schemas/net/sophgo,sg2044-dwmac.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Sophgo SG2044 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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enum:
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- sophgo,sg2044-dwmac
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- sophgo,sg2042-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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oneOf:
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- items:
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- const: sophgo,sg2042-dwmac
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- const: snps,dwmac-5.00a
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- items:
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- const: sophgo,sg2044-dwmac
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- const: snps,dwmac-5.30a
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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 main 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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dma-noncoherent: true
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interrupts:
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maxItems: 1
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interrupt-names:
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maxItems: 1
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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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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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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@30006000 {
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compatible = "sophgo,sg2044-dwmac", "snps,dwmac-5.30a";
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reg = <0x30006000 0x4000>;
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clocks = <&clk 151>, <&clk 152>, <&clk 154>;
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clock-names = "stmmaceth", "ptp_ref", "tx";
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interrupt-parent = <&intc>;
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interrupts = <296 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "macirq";
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phy-handle = <&phy0>;
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phy-mode = "rgmii-id";
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resets = <&rst 30>;
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reset-names = "stmmaceth";
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snps,multicast-filter-bins = <0>;
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snps,perfect-filter-entries = <1>;
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snps,aal;
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snps,tso;
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snps,txpbl = <32>;
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snps,rxpbl = <32>;
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snps,mtl-rx-config = <&gmac0_mtl_rx_setup>;
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snps,mtl-tx-config = <&gmac0_mtl_tx_setup>;
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snps,axi-config = <&gmac0_stmmac_axi_setup>;
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gmac0_mtl_rx_setup: rx-queues-config {
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snps,rx-queues-to-use = <8>;
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snps,rx-sched-wsp;
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queue0 {};
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queue1 {};
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queue2 {};
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queue3 {};
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queue4 {};
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queue5 {};
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queue6 {};
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queue7 {};
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};
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gmac0_mtl_tx_setup: tx-queues-config {
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snps,tx-queues-to-use = <8>;
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queue0 {};
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queue1 {};
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queue2 {};
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queue3 {};
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queue4 {};
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queue5 {};
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queue6 {};
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queue7 {};
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};
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gmac0_stmmac_axi_setup: stmmac-axi-config {
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snps,blen = <16 8 4 0 0 0 0>;
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snps,wr_osr_lmt = <1>;
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snps,rd_osr_lmt = <2>;
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};
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};
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