[PATCH] ARM: dts: Add EMAC AXI settings for Arria10

[thor . thayer]

From: Thor Thayer <thor.tha...@linux.intel.com>

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

Signed-off-by: Thor Thayer <thor.tha...@linux.intel.com>
---
 arch/arm/boot/dts/socfpga_arria10.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/socfpga_arria10.dtsi 
b/arch/arm/boot/dts/socfpga_arria10.dtsi
index f520cbf..f05dd15 100644
--- a/arch/arm/boot/dts/socfpga_arria10.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria10.dtsi
@@ -400,6 +400,12 @@
                                };
                };
 
+               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>;
@@ -416,6 +422,7 @@
                        clock-names = "stmmaceth";
                        resets = <&rst EMAC0_RESET>;
                        reset-names = "stmmaceth";
+                       snps,axi-config = <&socfpga_axi_setup>;
                        status = "disabled";
                };
 
-- 
2.7.4