linux-kernel - [PATCH 3/7] arm64: dts: mediatek: mt8195: add ethernet device node

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Message-Id: <20220426134106.242353-4-fparent@baylibre.com>
Date:   Tue, 26 Apr 2022 15:41:01 +0200
From:   Fabien Parent <fparent@...libre.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     Biao Huang <biao.huang@...iatek.com>,
        Fabien Parent <fparent@...libre.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/7] arm64: dts: mediatek: mt8195: add ethernet device node

From: Biao Huang <biao.huang@...iatek.com>

This commit adds device node for mt8195 ethernet.

Signed-off-by: Biao Huang <biao.huang@...iatek.com>
Signed-off-by: Fabien Parent <fparent@...libre.com>
---
This patch comes from https://lore.kernel.org/all/20211207015505.16746-7-biao.huang@mediatek.com/

The differences between that patch and this patch is that:
* The EVB dts modification has been split into its own commit
* The patch was rebased to fix merge conflict with the upstream mt8195.dtsi file
* Re-ordered the node to be correctly sorted based on node address

 arch/arm64/boot/dts/mediatek/mt8195.dtsi | 70 ++++++++++++++++++++++++
 1 file changed, 70 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
index aa05071a80b8..a58641d1cab0 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
@@ -912,6 +912,76 @@ spis1: spi@...1e000 {
 			status = "disabled";
 		};
 
+		eth: ethernet@...21000 {
+			compatible = "mediatek,mt8195-gmac", "snps,dwmac-5.10a";
+			reg = <0 0x11021000 0 0x4000>;
+			interrupts = <GIC_SPI 716 IRQ_TYPE_LEVEL_HIGH 0>;
+			interrupt-names = "macirq";
+			mac-address = [00 55 7b b5 7d f7];
+			clock-names = "axi",
+				      "apb",
+				      "mac_main",
+				      "ptp_ref",
+				      "rmii_internal",
+				      "mac_cg";
+			clocks = <&pericfg_ao CLK_PERI_AO_ETHERNET>,
+				 <&pericfg_ao CLK_PERI_AO_ETHERNET_BUS>,
+				 <&topckgen CLK_TOP_SNPS_ETH_250M>,
+				 <&topckgen CLK_TOP_SNPS_ETH_62P4M_PTP>,
+				 <&topckgen CLK_TOP_SNPS_ETH_50M_RMII>,
+				 <&pericfg_ao CLK_PERI_AO_ETHERNET_MAC>;
+			assigned-clocks = <&topckgen CLK_TOP_SNPS_ETH_250M>,
+					  <&topckgen CLK_TOP_SNPS_ETH_62P4M_PTP>,
+					  <&topckgen CLK_TOP_SNPS_ETH_50M_RMII>;
+			assigned-clock-parents = <&topckgen CLK_TOP_ETHPLL_D2>,
+						 <&topckgen CLK_TOP_ETHPLL_D8>,
+						 <&topckgen CLK_TOP_ETHPLL_D10>;
+			power-domains = <&spm MT8195_POWER_DOMAIN_ETHER>;
+			mediatek,pericfg = <&infracfg_ao>;
+			snps,axi-config = <&stmmac_axi_setup>;
+			snps,mtl-rx-config = <&mtl_rx_setup>;
+			snps,mtl-tx-config = <&mtl_tx_setup>;
+			snps,txpbl = <16>;
+			snps,rxpbl = <16>;
+			clk_csr = <0>;
+			status = "disabled";
+
+			stmmac_axi_setup: stmmac-axi-config {
+				snps,wr_osr_lmt = <0x7>;
+				snps,rd_osr_lmt = <0x7>;
+				snps,blen = <0 0 0 0 16 8 4>;
+			};
+
+			mtl_rx_setup: rx-queues-config {
+				snps,rx-queues-to-use = <1>;
+				snps,rx-sched-sp;
+				queue0 {
+					snps,dcb-algorithm;
+					snps,map-to-dma-channel = <0x0>;
+					snps,priority = <0x0>;
+				};
+			};
+			mtl_tx_setup: tx-queues-config {
+				snps,tx-queues-to-use = <3>;
+				snps,tx-sched-wrr;
+				queue0 {
+					snps,weight = <0x10>;
+					snps,dcb-algorithm;
+					snps,priority = <0x0>;
+				};
+				queue1 {
+					snps,weight = <0x11>;
+					snps,dcb-algorithm;
+					snps,priority = <0x1>;
+				};
+				queue2 {
+					snps,weight = <0x12>;
+					snps,dcb-algorithm;
+					snps,priority = <0x2>;
+				};
+			};
+		};
+
 		ssusb: usb@...01000 {
 			compatible ="mediatek,mt8195-mtu3", "mediatek,mtu3";
 			reg = <0 0x11201000 0 0x2dff>,
-- 
2.36.0