From cd2f0d0d403b7eb779fba04ea9664faa3b625cde Mon Sep 17 00:00:00 2001
From: Ralph Sennhauser <ralph.sennhauser@gmail.com>
Date: Thu, 16 Mar 2017 06:53:19 +0100
Subject: [PATCH] ARM: dts: mvebu: linksys: enable buffer manager support

Add appropriate properties to devices in the Linksys WRT AC Series for the
mvneta driver to use hardware buffer management.

Also update "soc" ranges property and set the status of bm and bm-bppi
to "okay" (SRAM).

Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
---
 arch/arm/boot/dts/armada-385-linksys.dtsi     | 17 ++++++++++++++++-
 arch/arm/boot/dts/armada-xp-linksys-mamba.dts | 17 ++++++++++++++++-
 2 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/armada-385-linksys.dtsi b/arch/arm/boot/dts/armada-385-linksys.dtsi
index df47bf1..aa0d225 100644
--- a/arch/arm/boot/dts/armada-385-linksys.dtsi
+++ b/arch/arm/boot/dts/armada-385-linksys.dtsi
@@ -59,7 +59,8 @@
 		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
 			  MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
 			  MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
-			  MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000>;
+			  MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000
+			  MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>;
 
 		internal-regs {
 			i2c@11000 {
@@ -88,6 +89,9 @@
 			ethernet@70000 {
 				status = "okay";
 				phy-mode = "rgmii-id";
+				buffer-manager = <&bm>;
+				bm,pool-long = <2>;
+				bm,pool-short = <3>;
 				fixed-link {
 					speed = <1000>;
 					full-duplex;
@@ -97,6 +101,9 @@
 			ethernet@34000 {
 				status = "okay";
 				phy-mode = "sgmii";
+				buffer-manager = <&bm>;
+				bm,pool-long = <0>;
+				bm,pool-short = <1>;
 				fixed-link {
 					speed = <1000>;
 					full-duplex;
@@ -159,6 +166,10 @@
 				status = "okay";
 			};
 
+			bm@c8000 {
+				status = "okay";
+			};
+
 			/* USB part of the eSATA/USB 2.0 port */
 			usb@58000 {
 				status = "okay";
@@ -241,6 +252,10 @@
 			};
 		};
 
+		bm-bppi {
+			status = "okay";
+		};
+
 		pcie-controller {
 			status = "okay";
 
diff --git a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
index 3744ba3..9efcf59 100644
--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
+++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
@@ -71,7 +71,8 @@
 		ranges = <MBUS_ID(0xf0, 0x01) 0 0 0xf1000000 0x100000
 			  MBUS_ID(0x01, 0x1d) 0 0 0xfff00000 0x100000
 			  MBUS_ID(0x09, 0x09) 0 0 0xf1100000 0x10000
-			  MBUS_ID(0x09, 0x05) 0 0 0xf1110000 0x10000>;
+			  MBUS_ID(0x09, 0x05) 0 0 0xf1110000 0x10000
+			  MBUS_ID(0x0c, 0x04) 0 0 0xf1200000 0x100000>;
 
 		internal-regs {
 
@@ -95,6 +96,9 @@
 				pinctrl-names = "default";
 				status = "okay";
 				phy-mode = "rgmii-id";
+				buffer-manager = <&bm>;
+				bm,pool-long = <0>;
+				bm,pool-short = <1>;
 				fixed-link {
 					speed = <1000>;
 					full-duplex;
@@ -106,6 +110,9 @@
 				pinctrl-names = "default";
 				status = "okay";
 				phy-mode = "rgmii-id";
+				buffer-manager = <&bm>;
+				bm,pool-long = <2>;
+				bm,pool-short = <3>;
 				fixed-link {
 					speed = <1000>;
 					full-duplex;
@@ -186,6 +193,10 @@
 				};
 			};
 
+			bm@c8000 {
+				status = "okay";
+			};
+
 			nand@d0000 {
 				status = "okay";
 				num-cs = <1>;
@@ -259,6 +270,10 @@
 				};
 			};
 		};
+
+		bm-bppi {
+			status = "okay";
+		};
 	};
 
 	gpio_keys {
-- 
2.7.4