From 0244f7aff17c0f7f6c0d66b55c312aefa2a95d8f Mon Sep 17 00:00:00 2001
From: Suraj Jaiswal <jsuraj@qti.qualcomm.com>
Date: Fri, 7 Aug 2020 13:28:22 +0530
Subject: [PATCH] ARM: dts: msm: Add multi queue support

Add multi queue support in stmmac driver to
enable the Avb data paths.

Change-Id: I9a63d299b1116ceceb8e2e86b74536483c3ae7be
---
 qcom/sa8155.dtsi | 66 ++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 64 insertions(+), 2 deletions(-)

diff --git a/qcom/sa8155.dtsi b/qcom/sa8155.dtsi
index 16db15f09860..d2f9f4246f21 100644
--- a/qcom/sa8155.dtsi
+++ b/qcom/sa8155.dtsi
@@ -62,6 +62,64 @@
 		read-only;
 		ranges;
 	};
+	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,route-up;
+			snps,priority = <0x1>;
+		};
+
+		queue1 {
+			snps,dcb-algorithm;
+			snps,map-to-dma-channel = <0x1>;
+			snps,route-ptp;
+		};
+
+		queue2 {
+			snps,avb-algorithm;
+			snps,map-to-dma-channel = <0x2>;
+			snps,route-avcp;
+		};
+
+		queue3 {
+			snps,avb-algorithm;
+			snps,map-to-dma-channel = <0x3>;
+			snps,priority = <0xC>;
+		};
+	};
+
+	mtl_tx_setup: tx-queues-config {
+		snps,tx-queues-to-use = <5>;
+		snps,tx-sched-sp;
+		queue0 {
+			snps,dcb-algorithm;
+		};
+
+		queue1 {
+			snps,dcb-algorithm;
+		};
+
+		queue2 {
+			snps,avb-algorithm;
+			snps,send_slope = <0x1000>;
+			snps,idle_slope = <0x1000>;
+			snps,high_credit = <0x3E800>;
+			snps,low_credit = <0xFFC18000>;
+		};
+
+		queue3 {
+			snps,avb-algorithm;
+			snps,send_slope = <0x1000>;
+			snps,idle_slope = <0x1000>;
+			snps,high_credit = <0x3E800>;
+			snps,low_credit = <0xFFC18000>;
+		};
+	};
+
 	ethqos_hw: qcom,ethernet@00020000 {
 		compatible = "qcom,stmmac-ethqos";
 		qcom,arm-smmu;
@@ -74,13 +132,17 @@
 			<&gcc GCC_EMAC_PTP_CLK>,
 			<&gcc GCC_EMAC_RGMII_CLK>;
 		clock-names = "stmmaceth", "pclk", "ptp_ref", "rgmii";
+		snps,ptp-ref-clk-rate = <250000000>;
+		snps,ptp-req-clk-rate = <96000000>;
 		interrupts-extended = <&intc 0 689 4>, <&intc 0 699 4>,
 			<&tlmm 124 2>;
 		interrupt-names = "macirq", "eth_lpi",
 			"phy-intr";
 		snps,tso;
-		rx-fifo-depth = <4096>;
-		tx-fifo-depth = <4096>;
+		rx-fifo-depth = <16384>;
+		tx-fifo-depth = <32768>;
+		snps,mtl-rx-config = <&mtl_rx_setup>;
+		snps,mtl-tx-config = <&mtl_tx_setup>;
 		snps,reset-gpios = <&tlmm 79 GPIO_ACTIVE_HIGH>;
 		qcom,phy-intr-redirect = <&tlmm 124 GPIO_ACTIVE_LOW>;
 		gdsc_emac-supply = <&emac_gdsc>;