# 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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$id: http://devicetree.org/schemas/net/intel,dwmac-plat.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Intel DWMAC glue layer Device Tree Bindings
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maintainers:
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- Vineetha G. Jaya Kumaran <vineetha.g.jaya.kumaran@intel.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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- intel,keembay-dwmac
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required:
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- compatible
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allOf:
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- $ref: "snps,dwmac.yaml#"
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properties:
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compatible:
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oneOf:
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- items:
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- enum:
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- intel,keembay-dwmac
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- const: snps,dwmac-4.10a
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clocks:
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items:
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- description: GMAC main clock
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- description: PTP reference 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_clk
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required:
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- compatible
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- clocks
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- clock-names
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unevaluatedProperties: false
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examples:
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# FIXME: Remove defines and include the correct header file
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# once it is available in mainline.
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#define MOVISOC_KMB_PSS_GBE
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#define MOVISOC_KMB_PSS_AUX_GBE_PTP
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#define MOVISOC_KMB_PSS_AUX_GBE_TX
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stmmac_axi_setup: stmmac-axi-config {
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snps,lpi_en;
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snps,wr_osr_lmt = <0x0>;
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snps,rd_osr_lmt = <0x2>;
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snps,blen = <0 0 0 0 16 8 4>;
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};
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mtl_rx_setup: rx-queues-config {
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snps,rx-queues-to-use = <2>;
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snps,rx-sched-sp;
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queue0 {
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snps,dcb-algorithm;
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snps,map-to-dma-channel = <0x0>;
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snps,priority = <0x0>;
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};
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queue1 {
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snps,dcb-algorithm;
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snps,map-to-dma-channel = <0x1>;
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snps,priority = <0x1>;
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};
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};
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mtl_tx_setup: tx-queues-config {
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snps,tx-queues-to-use = <2>;
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snps,tx-sched-wrr;
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queue0 {
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snps,weight = <0x10>;
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snps,dcb-algorithm;
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snps,priority = <0x0>;
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};
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queue1 {
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snps,weight = <0x10>;
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snps,dcb-algorithm;
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snps,priority = <0x1>;
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};
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};
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gmac0: ethernet@3a000000 {
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compatible = "intel,keembay-dwmac", "snps,dwmac-4.10a";
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interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "macirq";
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reg = <0x3a000000 0x8000>;
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snps,perfect-filter-entries = <128>;
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phy-handle = <ð_phy0>;
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phy-mode = "rgmii";
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rx-fifo-depth = <4096>;
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tx-fifo-depth = <4096>;
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clock-names = "stmmaceth", "ptp_ref", "tx_clk";
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clocks = <&scmi_clk MOVISOC_KMB_PSS_GBE>,
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<&scmi_clk MOVISOC_KMB_PSS_AUX_GBE_PTP>,
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<&scmi_clk MOVISOC_KMB_PSS_AUX_GBE_TX>;
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snps,pbl = <0x4>;
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snps,axi-config = <&stmmac_axi_setup>;
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snps,mtl-rx-config = <&mtl_rx_setup>;
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snps,mtl-tx-config = <&mtl_tx_setup>;
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snps,tso;
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status = "okay";
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mdio0 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "snps,dwmac-mdio";
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ethernet-phy@0 {
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reg = <0>;
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};
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};
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};
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...
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