DWC EQOS supports four MTL queues for Tx and Rx
separately.
Signed-off-by: Bhadram Varka <vbhadram@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra186.dtsi | 48 ++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 0f4bed8..f27730d 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -37,6 +37,52 @@
gpio-controller;
};
+ mtl_rx_setup: rx-queues-config {
+ snps,rx-queues-to-use = <4>;
+ snps,rx-sched-sp;
+ queue0 {
+ snps,dcb-algorithm;
+ snps,map-to-dma-channel = <0x0>;
+ snps,priority = <0x0>;
+ };
+ queue1 {
+ snps,dcb-algorithm;
+ snps,map-to-dma-channel = <0x1>;
+ snps,priority = <0x1>;
+ };
+ queue2 {
+ snps,dcb-algorithm;
+ snps,map-to-dma-channel = <0x2>;
+ snps,priority = <0x2>;
+ };
+ queue3 {
+ snps,dcb-algorithm;
+ snps,map-to-dma-channel = <0x2>;
+ snps,priority = <0x3>;
+ };
+ };
+
+ mtl_tx_setup: tx-queues-config {
+ snps,tx-queues-to-use = <4>;
+ snps,tx-sched-sp;
+ queue0 {
+ snps,dcb-algorithm;
+ snps,priority = <0x0>;
+ };
+ queue1 {
+ snps,dcb-algorithm;
+ snps,priority = <0x1>;
+ };
+ queue2 {
+ snps,dcb-algorithm;
+ snps,priority = <0x2>;
+ };
+ queue3 {
+ snps,dcb-algorithm;
+ snps,priority = <0x3>;
+ };
+ };
+
ethernet@2490000 {
compatible = "nvidia,tegra186-eqos",
"snps,dwc-qos-ethernet-4.10";
@@ -57,6 +103,8 @@
snps,burst-map = <0x7>;
snps,txpbl = <32>;
snps,rxpbl = <8>;
+ snps,mtl-rx-config = <&mtl_rx_setup>;
+ snps,mtl-tx-config = <&mtl_tx_setup>;
};
memory-controller@2c00000 {
--
2.7.4
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