ARM: socfpga: dts: enable ethernet for Arria10 devkit

Update the arria10 gmac nodes with all the necessary properties for ethernet
to function on the Arria10 devkit.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>

diff --git a/arch/arm/boot/dts/socfpga_arria10.dtsi b/arch/arm/boot/dts/socfpga_arria10.dtsi
index 6ceb26e542ec11f2d3815ed907bf5d1ae2c71790..f5bebdd6d1becda319ae02bfff4d36301abeca61 100644 (file)
--- a/arch/arm/boot/dts/socfpga_arria10.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria10.dtsi
@@ -397,6 +397,7 @@
 
                gmac0: ethernet@ff800000 {
                        compatible = "altr,socfpga-stmmac", "snps,dwmac-3.72a", "snps,dwmac";
+                       altr,sysmgr-syscon = <&sysmgr 0x44 0>;
                        reg = <0xff800000 0x2000>;
                        interrupts = <0 92 IRQ_TYPE_LEVEL_HIGH>;
                        interrupt-names = "macirq";
@@ -404,11 +405,16 @@
                        mac-address = [00 00 00 00 00 00];
                        snps,multicast-filter-bins = <256>;
                        snps,perfect-filter-entries = <128>;
+                       tx-fifo-depth = <4096>;
+                       rx-fifo-depth = <16384>;
+                       clocks = <&l4_mp_clk>;
+                       clock-names = "stmmaceth";
                        status = "disabled";
                };
 
                gmac1: ethernet@ff802000 {
                        compatible = "altr,socfpga-stmmac", "snps,dwmac-3.72a", "snps,dwmac";
+                       altr,sysmgr-syscon = <&sysmgr 0x48 0>;
                        reg = <0xff802000 0x2000>;
                        interrupts = <0 93 IRQ_TYPE_LEVEL_HIGH>;
                        interrupt-names = "macirq";
@@ -418,11 +424,14 @@
                        snps,perfect-filter-entries = <128>;
                        tx-fifo-depth = <4096>;
                        rx-fifo-depth = <16384>;
+                       clocks = <&l4_mp_clk>;
+                       clock-names = "stmmaceth";
                        status = "disabled";
                };
 
                gmac2: ethernet@ff804000 {
                        compatible = "altr,socfpga-stmmac", "snps,dwmac-3.72a", "snps,dwmac";
+                       altr,sysmgr-syscon = <&sysmgr 0x4C 0>;
                        reg = <0xff804000 0x2000>;
                        interrupts = <0 94 IRQ_TYPE_LEVEL_HIGH>;
                        interrupt-names = "macirq";
@@ -432,6 +441,8 @@
                        snps,perfect-filter-entries = <128>;
                        tx-fifo-depth = <4096>;
                        rx-fifo-depth = <16384>;
+                       clocks = <&l4_mp_clk>;
+                       clock-names = "stmmaceth";
                        status = "disabled";
                };
 

diff --git a/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi b/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
index 347ca4ef58f8076d10078e8b50f345805dd6da6b..94a0709b2fe668844d3cffdb860c28169ff693eb 100644 (file)
--- a/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
@@ -41,6 +41,34 @@
        };
 };
 
+&gmac0 {
+       phy-mode = "rgmii";
+       phy-addr = <0xffffffff>; /* probe for phy addr */
+
+       /*
+        * These skews assume the user's FPGA design is adding 600ps of delay
+        * for TX_CLK on Arria 10.
+        *
+        * All skews are offset since hardware skew values for the ksz9031
+        * range from a negative skew to a positive skew.
+        * See the micrel-ksz90x1.txt Documentation file for details.
+        */
+       txd0-skew-ps = <0>; /* -420ps */
+       txd1-skew-ps = <0>; /* -420ps */
+       txd2-skew-ps = <0>; /* -420ps */
+       txd3-skew-ps = <0>; /* -420ps */
+       rxd0-skew-ps = <420>; /* 0ps */
+       rxd1-skew-ps = <420>; /* 0ps */
+       rxd2-skew-ps = <420>; /* 0ps */
+       rxd3-skew-ps = <420>; /* 0ps */
+       txen-skew-ps = <0>; /* -420ps */
+       txc-skew-ps = <1860>; /* 960ps */
+       rxdv-skew-ps = <420>; /* 0ps */
+       rxc-skew-ps = <1680>; /* 780ps */
+       max-frame-size = <3800>;
+       status = "okay";
+};
+
 &uart1 {
        status = "okay";
 };