[PATCH v2 1/2] arm64: dts: renesas: r9a08g046: Add GBETH nodes
From: Biju <hidden>
Date: 2026-02-03 12:35:10
Also in:
linux-devicetree, linux-renesas-soc, lkml
Subsystem:
arm/risc-v/renesas architecture, the rest · Maintainers:
Geert Uytterhoeven, Magnus Damm, Linus Torvalds
From: Biju Das <biju.das.jz@bp.renesas.com> Renesas RZ/G3L SoC is equipped with 2x Synopsys DesignWare Ethernet (10/100/1000 BASE) with TSN, IP block version 5.30. Add GBETH nodes to R9A08G046 RZ/G3L SoC DTSI. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> --- This patch depend upon [1] [1] https://lore.kernel.org/all/20260203104541.264759-1-biju.das.jz@bp.renesas.com/ (local) v1->v2: * Added rmii_{tx,rx) clocks. --- arch/arm64/boot/dts/renesas/r9a08g046.dtsi | 241 +++++++++++++++++++++ 1 file changed, 241 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r9a08g046.dtsi b/arch/arm64/boot/dts/renesas/r9a08g046.dtsi
index 0922ad642c67..df61a3b77368 100644
--- a/arch/arm64/boot/dts/renesas/r9a08g046.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a08g046.dtsi@@ -228,6 +228,240 @@ sdhi1: mmc@11c10000 { /* placeholder */ }; + eth0: ethernet@11c30000 { + compatible = "renesas,r9a08g046-gbeth", "snps,dwmac-5.30a"; + reg = <0 0x11c30000 0 0x10000>; + interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 85 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 86 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 87 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 88 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 81 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 82 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 83 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 84 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 89 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 90 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 91 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 92 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "macirq", "eth_wake_irq", "eth_lpi", + "rx-queue-0", "rx-queue-1", "rx-queue-2", + "rx-queue-3", "tx-queue-0", "tx-queue-1", + "tx-queue-2", "tx-queue-3", "ptp-pps-0", + "ptp-pps-1", "ptp-pps-2", "ptp-pps-3"; + clocks = <&cpg CPG_MOD R9A08G046_ETH0_CLK_AXI>, + <&cpg CPG_MOD R9A08G046_ETH0_CLK_CHI>, + <&cpg CPG_MOD R9A08G046_ETH0_CLK_PTP_REF_I>, + <&cpg CPG_MOD R9A08G046_ETH0_CLK_TX_I>, + <&cpg CPG_MOD R9A08G046_ETH0_CLK_RX_I>, + <&cpg CPG_MOD R9A08G046_ETH0_CLK_TX_180_I>, + <&cpg CPG_MOD R9A08G046_ETH0_CLK_RX_180_I>, + <&cpg CPG_MOD R9A08G046_ETH0_CLK_RMII_I>, + <&cpg CPG_MOD R9A08G046_ETH0_CLK_TX_I_RMII>, + <&cpg CPG_MOD R9A08G046_ETH0_CLK_RX_I_RMII>; + clock-names = "stmmaceth", "pclk", "ptp_ref", + "tx", "rx", "tx-180", "rx-180", + "rmii", "rmii_tx", "rmii_rx"; + resets = <&cpg R9A08G046_ETH0_ARESET_N>; + power-domains = <&cpg>; + snps,multicast-filter-bins = <256>; + snps,perfect-filter-entries = <128>; + 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 = <32>; + snps,rxpbl = <32>; + 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 = <4>; + 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>; + }; + }; + + mtl_tx_setup0: tx-queues-config { + snps,tx-queues-to-use = <4>; + snps,tx-sched-wrr; + + queue0 { + snps,weight = <0x10>; + snps,dcb-algorithm; + snps,priority = <0x1>; + }; + + queue1 { + snps,weight = <0x12>; + snps,dcb-algorithm; + snps,priority = <0x2>; + }; + + queue2 { + snps,weight = <0x14>; + snps,dcb-algorithm; + snps,priority = <0x4>; + }; + + queue3 { + snps,weight = <0x18>; + snps,dcb-algorithm; + snps,priority = <0x8>; + }; + }; + }; + + eth1: ethernet@11c40000 { + compatible = "renesas,r9a08g046-gbeth", "snps,dwmac-5.30a"; + reg = <0 0x11c40000 0 0x10000>; + interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 100 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 101 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 102 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 103 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 96 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 97 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 98 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 99 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 104 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 105 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 106 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 107 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "macirq", "eth_wake_irq", "eth_lpi", + "rx-queue-0", "rx-queue-1", "rx-queue-2", + "rx-queue-3", "tx-queue-0", "tx-queue-1", + "tx-queue-2", "tx-queue-3", "ptp-pps-0", + "ptp-pps-1", "ptp-pps-2", "ptp-pps-3"; + clocks = <&cpg CPG_MOD R9A08G046_ETH1_CLK_AXI>, + <&cpg CPG_MOD R9A08G046_ETH1_CLK_CHI>, + <&cpg CPG_MOD R9A08G046_ETH1_CLK_PTP_REF_I>, + <&cpg CPG_MOD R9A08G046_ETH1_CLK_TX_I>, + <&cpg CPG_MOD R9A08G046_ETH1_CLK_RX_I>, + <&cpg CPG_MOD R9A08G046_ETH1_CLK_TX_180_I>, + <&cpg CPG_MOD R9A08G046_ETH1_CLK_RX_180_I>, + <&cpg CPG_MOD R9A08G046_ETH1_CLK_RMII_I>, + <&cpg CPG_MOD R9A08G046_ETH1_CLK_TX_I_RMII>, + <&cpg CPG_MOD R9A08G046_ETH1_CLK_RX_I_RMII>; + clock-names = "stmmaceth", "pclk", "ptp_ref", + "tx", "rx", "tx-180", "rx-180", + "rmii", "rmii_tx", "rmii_rx"; + resets = <&cpg R9A08G046_ETH1_ARESET_N>; + power-domains = <&cpg>; + snps,multicast-filter-bins = <256>; + snps,perfect-filter-entries = <128>; + 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 = <32>; + snps,rxpbl = <32>; + 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 = <4>; + 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>; + }; + }; + + mtl_tx_setup1: tx-queues-config { + snps,tx-queues-to-use = <4>; + snps,tx-sched-wrr; + + queue0 { + snps,weight = <0x10>; + snps,dcb-algorithm; + snps,priority = <0x1>; + }; + + queue1 { + snps,weight = <0x12>; + snps,dcb-algorithm; + snps,priority = <0x2>; + }; + + queue2 { + snps,weight = <0x14>; + snps,dcb-algorithm; + snps,priority = <0x4>; + }; + + queue3 { + snps,weight = <0x18>; + snps,dcb-algorithm; + snps,priority = <0x8>; + }; + }; + }; + gic: interrupt-controller@12400000 { compatible = "arm,gic-v3"; reg = <0x0 0x12400000 0 0x20000>,
@@ -239,6 +473,13 @@ gic: interrupt-controller@12400000 { }; }; + 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>,
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2.43.0