linux-kernel - [PATCH 1/2] arm64: dts: imx8mp-evk: configure multiple queues on eqos

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Date:   Wed,  1 Dec 2021 08:47:49 +0800
From:   Xiaoliang Yang <xiaoliang.yang_1@....com>
To:     davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     kuba@...nel.org, qiangqing.zhang@....com, Anson.Huang@....com,
        peppe.cavallaro@...com, alexandre.torgue@...s.st.com,
        joabreu@...opsys.com, yannick.vignon@....com,
        boon.leong.ong@...el.com, Jose.Abreu@...opsys.com, mst@...hat.com,
        Joao.Pinto@...opsys.com, mingkai.hu@....com, leoyang.li@....com,
        xiaoliang.yang_1@....com
Subject: [PATCH 1/2] arm64: dts: imx8mp-evk: configure multiple queues on eqos

Eqos ethernet support five queues on hardware, enable these queues and
configure the priority of each queue.

Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@....com>
---
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 41 ++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index 7b99fad6e4d6..1e523b3d122b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -86,6 +86,9 @@
 	pinctrl-0 = <&pinctrl_eqos>;
 	phy-mode = "rgmii-id";
 	phy-handle = <&ethphy0>;
+	snps,force_thresh_dma_mode;
+	snps,mtl-tx-config = <&mtl_tx_setup>;
+	snps,mtl-rx-config = <&mtl_rx_setup>;
 	status = "okay";
 
 	mdio {
@@ -99,6 +102,44 @@
 			eee-broken-1000t;
 		};
 	};
+
+	mtl_tx_setup: tx-queues-config {
+		snps,tx-queues-to-use = <5>;
+		queue0 {
+			snps,priority = <0x0>;
+		};
+		queue1 {
+			snps,priority = <0x1>;
+		};
+		queue2 {
+			snps,priority = <0x2>;
+		};
+		queue3 {
+			snps,priority = <0x3>;
+		};
+		queue4 {
+			snps,priority = <0x4>;
+		};
+	};
+
+	mtl_rx_setup: rx-queues-config {
+		snps,rx-queues-to-use = <5>;
+		queue0 {
+			snps,priority = <0x0>;
+		};
+		queue1 {
+			snps,priority = <0x1>;
+		};
+		queue2 {
+			snps,priority = <0x2>;
+		};
+		queue3 {
+			snps,priority = <0x3>;
+		};
+		queue4 {
+			snps,priority = <0x4>;
+		};
+	};
 };
 
 &fec {
-- 
2.17.1