ARM: dts: Add EMAC AXI settings for Arria10

Add the device tree entries needed to support the EMAC AXI
bus settings on the Arria10 SoCFPGA chip.

Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/socfpga_arria10.dtsi b/arch/arm/boot/dts/socfpga_arria10.dtsi
index 65904db153be..6b0b7463f36f 100644
--- a/arch/arm/boot/dts/socfpga_arria10.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria10.dtsi
@@ -408,6 +408,12 @@
                                 };
                 };
 
+                socfpga_axi_setup: stmmac-axi-config {
+                        snps,wr_osr_lmt = <0xf>;
+                        snps,rd_osr_lmt = <0xf>;
+                        snps,blen = <0 0 0 0 16 0 0>;
+                };
+
                 gmac0: ethernet@ff800000 {
                         compatible = "altr,socfpga-stmmac", "snps,dwmac-3.72a", "snps,dwmac";
                         altr,sysmgr-syscon = <&sysmgr 0x44 0>;
@@ -424,6 +430,7 @@
                         clock-names = "stmmaceth";
                         resets = <&rst EMAC0_RESET>;
                         reset-names = "stmmaceth";
+                        snps,axi-config = <&socfpga_axi_setup>;
                         status = "disabled";
                 };
 
@@ -443,6 +450,7 @@
                         clock-names = "stmmaceth";
                         resets = <&rst EMAC1_RESET>;
                         reset-names = "stmmaceth";
+                        snps,axi-config = <&socfpga_axi_setup>;
                         status = "disabled";
                 };
 
@@ -460,6 +468,7 @@
                         rx-fifo-depth = <16384>;
                         clocks = <&l4_mp_clk>;
                         clock-names = "stmmaceth";
+                        snps,axi-config = <&socfpga_axi_setup>;
                         status = "disabled";
                 };