Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
dt-bindings: net: Add support for Sophgo CV1800 dwmac
The GMAC IP on CV1800 series SoC is a standard Synopsys
DesignWare MAC (version 3.70a).
Add necessary compatible string for this device.
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20250703021220.124195-1-inochiama@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
authored by
Inochi Amaoto
and committed by
Jakub Kicinski
6a971e48
ea988b45
+114
+114
Documentation/devicetree/bindings/net/sophgo,cv1800b-dwmac.yaml
+114
Documentation/devicetree/bindings/net/sophgo,cv1800b-dwmac.yaml
···
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# 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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$id: http://devicetree.org/schemas/net/sophgo,cv1800b-dwmac.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Sophgo CV1800B 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,cv1800b-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: sophgo,cv1800b-dwmac
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- const: snps,dwmac-3.70a
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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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clock-names:
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items:
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- const: stmmaceth
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- const: ptp_ref
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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@4070000 {
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compatible = "sophgo,cv1800b-dwmac", "snps,dwmac-3.70a";
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reg = <0x04070000 0x10000>;
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clocks = <&clk 35>, <&clk 36>;
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clock-names = "stmmaceth", "ptp_ref";
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interrupts = <31 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "macirq";
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phy-handle = <&internal_ephy>;
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phy-mode = "internal";
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resets = <&rst 12>;
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reset-names = "stmmaceth";
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rx-fifo-depth = <8192>;
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tx-fifo-depth = <8192>;
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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,txpbl = <8>;
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snps,rxpbl = <8>;
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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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mdio {
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compatible = "snps,dwmac-mdio";
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#address-cells = <1>;
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#size-cells = <0>;
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};
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gmac0_mtl_rx_setup: rx-queues-config {
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snps,rx-queues-to-use = <1>;
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queue0 {};
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};
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gmac0_mtl_tx_setup: tx-queues-config {
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snps,tx-queues-to-use = <1>;
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queue0 {};
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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,rd_osr_lmt = <2>;
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snps,wr_osr_lmt = <1>;
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};
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};