arm64: dts: renesas: r9a09g087: Add GMAC nodes

Add Ethernet MAC (GMAC) device nodes to the RZ/N2H (R9A09G087) SoC DTSI.
The RZ/N2H integrates three GMAC interfaces based on the Synopsys
DesignWare MAC (version 5.20).

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251028175458.1037397-5-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

1 files changed, 448 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
index fe0087a7d4b4..361a9235f00d 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
@@ -270,6 +270,447 @@
 			status = "disabled";
 		};
 
+		gmac0: ethernet@80100000 {
+			compatible = "renesas,r9a09g087-gbeth", "renesas,r9a09g077-gbeth",
+				     "snps,dwmac-5.20";
+			reg = <0 0x80100000 0 0x10000>;
+			interrupts = <GIC_SPI 498 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 500 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 499 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 509 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 510 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 511 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 512 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 513 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 514 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 515 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 516 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 501 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 502 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 503 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 504 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 505 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 506 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 507 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 508 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq", "eth_wake_irq", "eth_lpi",
+					  "rx-queue-0", "rx-queue-1", "rx-queue-2",
+					  "rx-queue-3", "rx-queue-4", "rx-queue-5",
+					  "rx-queue-6", "rx-queue-7", "tx-queue-0",
+					  "tx-queue-1", "tx-queue-2", "tx-queue-3",
+					  "tx-queue-4", "tx-queue-5", "tx-queue-6",
+					  "tx-queue-7";
+			clocks = <&cpg CPG_MOD 400>,
+				 <&cpg CPG_CORE R9A09G087_CLK_PCLKH>,
+				 <&cpg CPG_CORE R9A09G087_ETCLKB>;
+			clock-names = "stmmaceth", "pclk", "tx";
+			resets = <&cpg 400>, <&cpg 401>;
+			reset-names = "stmmaceth", "ahb";
+			power-domains = <&cpg>;
+			snps,multicast-filter-bins = <256>;
+			snps,perfect-filter-entries = <32>;
+			rx-fifo-depth = <8192>;
+			tx-fifo-depth = <8192>;
+			snps,fixed-burst;
+			snps,no-pbl-x8;
+			snps,force_thresh_dma_mode;
+			snps,axi-config = <&stmmac_axi_setup>;
+			snps,mtl-rx-config = <&mtl_rx_setup0>;
+			snps,mtl-tx-config = <&mtl_tx_setup0>;
+			snps,txpbl = <16>;
+			snps,rxpbl = <16>;
+			status = "disabled";
+
+			mdio0: mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+
+			mtl_rx_setup0: rx-queues-config {
+				snps,rx-queues-to-use = <8>;
+				snps,rx-sched-sp;
+
+				queue0 {
+					snps,dcb-algorithm;
+					snps,priority = <0x1>;
+					snps,map-to-dma-channel = <0>;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+					snps,priority = <0x2>;
+					snps,map-to-dma-channel = <1>;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+					snps,priority = <0x4>;
+					snps,map-to-dma-channel = <2>;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+					snps,priority = <0x8>;
+					snps,map-to-dma-channel = <3>;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+					snps,priority = <0x10>;
+					snps,map-to-dma-channel = <4>;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+					snps,priority = <0x20>;
+					snps,map-to-dma-channel = <5>;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+					snps,priority = <0x40>;
+					snps,map-to-dma-channel = <6>;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+					snps,priority = <0x80>;
+					snps,map-to-dma-channel = <7>;
+				};
+			};
+
+			mtl_tx_setup0: tx-queues-config {
+				snps,tx-queues-to-use = <8>;
+
+				queue0 {
+					snps,dcb-algorithm;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+				};
+			};
+		};
+
+		gmac1: ethernet@92000000 {
+			compatible = "renesas,r9a09g087-gbeth", "renesas,r9a09g077-gbeth",
+				     "snps,dwmac-5.20";
+			reg = <0 0x92000000 0 0x10000>;
+			interrupts = <GIC_SPI 517 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 519 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 518 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 528 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 529 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 530 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 531 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 532 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 533 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 534 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 535 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 520 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 521 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 522 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 523 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 524 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 525 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 526 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 527 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq", "eth_wake_irq", "eth_lpi",
+					  "rx-queue-0", "rx-queue-1", "rx-queue-2",
+					  "rx-queue-3", "rx-queue-4", "rx-queue-5",
+					  "rx-queue-6", "rx-queue-7", "tx-queue-0",
+					  "tx-queue-1", "tx-queue-2", "tx-queue-3",
+					  "tx-queue-4", "tx-queue-5", "tx-queue-6",
+					  "tx-queue-7";
+			clocks = <&cpg CPG_MOD 416>,
+				 <&cpg CPG_CORE R9A09G087_CLK_PCLKAH>,
+				 <&cpg CPG_CORE R9A09G087_ETCLKB>;
+			clock-names = "stmmaceth", "pclk", "tx";
+			resets = <&cpg 416>, <&cpg 417>;
+			reset-names = "stmmaceth", "ahb";
+			power-domains = <&cpg>;
+			snps,multicast-filter-bins = <256>;
+			snps,perfect-filter-entries = <32>;
+			rx-fifo-depth = <8192>;
+			tx-fifo-depth = <8192>;
+			snps,fixed-burst;
+			snps,no-pbl-x8;
+			snps,force_thresh_dma_mode;
+			snps,axi-config = <&stmmac_axi_setup>;
+			snps,mtl-rx-config = <&mtl_rx_setup1>;
+			snps,mtl-tx-config = <&mtl_tx_setup1>;
+			snps,txpbl = <16>;
+			snps,rxpbl = <16>;
+			status = "disabled";
+
+			mdio1: mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+
+			mtl_rx_setup1: rx-queues-config {
+				snps,rx-queues-to-use = <8>;
+				snps,rx-sched-sp;
+
+				queue0 {
+					snps,dcb-algorithm;
+					snps,priority = <0x1>;
+					snps,map-to-dma-channel = <0>;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+					snps,priority = <0x2>;
+					snps,map-to-dma-channel = <1>;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+					snps,priority = <0x4>;
+					snps,map-to-dma-channel = <2>;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+					snps,priority = <0x8>;
+					snps,map-to-dma-channel = <3>;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+					snps,priority = <0x10>;
+					snps,map-to-dma-channel = <4>;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+					snps,priority = <0x20>;
+					snps,map-to-dma-channel = <5>;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+					snps,priority = <0x40>;
+					snps,map-to-dma-channel = <6>;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+					snps,priority = <0x80>;
+					snps,map-to-dma-channel = <7>;
+				};
+			};
+
+			mtl_tx_setup1: tx-queues-config {
+				snps,tx-queues-to-use = <8>;
+
+				queue0 {
+					snps,dcb-algorithm;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+				};
+			};
+		};
+
+		gmac2: ethernet@92010000 {
+			compatible = "renesas,r9a09g087-gbeth", "renesas,r9a09g077-gbeth",
+				     "snps,dwmac-5.20";
+			reg = <0 0x92010000 0 0x10000>;
+			interrupts = <GIC_SPI 536 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 538 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 537 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 547 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 548 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 549 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 550 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 551 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 552 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 553 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 554 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 539 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 540 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 541 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 542 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 543 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 544 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 545 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 546 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "macirq", "eth_wake_irq", "eth_lpi",
+					  "rx-queue-0", "rx-queue-1", "rx-queue-2",
+					  "rx-queue-3", "rx-queue-4", "rx-queue-5",
+					  "rx-queue-6", "rx-queue-7", "tx-queue-0",
+					  "tx-queue-1", "tx-queue-2", "tx-queue-3",
+					  "tx-queue-4", "tx-queue-5", "tx-queue-6",
+					  "tx-queue-7";
+			clocks = <&cpg CPG_MOD 417>,
+				 <&cpg CPG_CORE R9A09G087_CLK_PCLKAH>,
+				 <&cpg CPG_CORE R9A09G087_ETCLKB>;
+			clock-names = "stmmaceth", "pclk", "tx";
+			resets = <&cpg 418>, <&cpg 419>;
+			reset-names = "stmmaceth", "ahb";
+			power-domains = <&cpg>;
+			snps,multicast-filter-bins = <256>;
+			snps,perfect-filter-entries = <32>;
+			rx-fifo-depth = <8192>;
+			tx-fifo-depth = <8192>;
+			snps,fixed-burst;
+			snps,no-pbl-x8;
+			snps,force_thresh_dma_mode;
+			snps,axi-config = <&stmmac_axi_setup>;
+			snps,mtl-rx-config = <&mtl_rx_setup2>;
+			snps,mtl-tx-config = <&mtl_tx_setup2>;
+			snps,txpbl = <16>;
+			snps,rxpbl = <16>;
+			status = "disabled";
+
+			mdio2: mdio {
+				compatible = "snps,dwmac-mdio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+
+			mtl_rx_setup2: rx-queues-config {
+				snps,rx-queues-to-use = <8>;
+				snps,rx-sched-sp;
+
+				queue0 {
+					snps,dcb-algorithm;
+					snps,priority = <0x1>;
+					snps,map-to-dma-channel = <0>;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+					snps,priority = <0x2>;
+					snps,map-to-dma-channel = <1>;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+					snps,priority = <0x4>;
+					snps,map-to-dma-channel = <2>;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+					snps,priority = <0x8>;
+					snps,map-to-dma-channel = <3>;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+					snps,priority = <0x10>;
+					snps,map-to-dma-channel = <4>;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+					snps,priority = <0x20>;
+					snps,map-to-dma-channel = <5>;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+					snps,priority = <0x40>;
+					snps,map-to-dma-channel = <6>;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+					snps,priority = <0x80>;
+					snps,map-to-dma-channel = <7>;
+				};
+			};
+
+			mtl_tx_setup2: tx-queues-config {
+				snps,tx-queues-to-use = <8>;
+
+				queue0 {
+					snps,dcb-algorithm;
+				};
+
+				queue1 {
+					snps,dcb-algorithm;
+				};
+
+				queue2 {
+					snps,dcb-algorithm;
+				};
+
+				queue3 {
+					snps,dcb-algorithm;
+				};
+
+				queue4 {
+					snps,dcb-algorithm;
+				};
+
+				queue5 {
+					snps,dcb-algorithm;
+				};
+
+				queue6 {
+					snps,dcb-algorithm;
+				};
+
+				queue7 {
+					snps,dcb-algorithm;
+				};
+			};
+		};
+
 		ethss: ethss@80110000 {
 			compatible = "renesas,r9a09g087-miic", "renesas,r9a09g077-miic";
 			reg =  <0 0x80110000 0 0x10000>;
@@ -495,6 +936,13 @@
 		};
 	};
 
+	stmmac_axi_setup: stmmac-axi-config {
+		snps,lpi_en;
+		snps,wr_osr_lmt = <0xf>;
+		snps,rd_osr_lmt = <0xf>;
+		snps,blen = <16 8 4 0 0 0 0>;
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,