ath79: fix ethernet configurations for I-O DATA ETG3-R

This commit fixes several issues in eth0 on ETG3-R, and solve slowdown
in NA(P)T speed.

- add gmac-config with correct configurations
- fix pll-data value

And I added ref clock-frequency.

Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>

diff --git a/target/linux/ath79/dts/ar9342_iodata_etg3-r.dts b/target/linux/ath79/dts/ar9342_iodata_etg3-r.dts
index a2d442a5dc6d3c7f8d0f9a9360b6b9df184b16b1..f857a8eae18b2d65f950c712cc5a4608cf9553ed 100644 (file)
--- a/target/linux/ath79/dts/ar9342_iodata_etg3-r.dts
+++ b/target/linux/ath79/dts/ar9342_iodata_etg3-r.dts
@@ -46,6 +46,10 @@
        };
 };
 
+&ref {
+       clock-frequency = <40000000>;
+};
+
 &spi {
        num-cs = <1>;
        status = "okay";
@@ -119,10 +123,18 @@
 &eth0 {
        status = "okay";
 
-       pll-data = <0x06000000 0x00000101 0x00001616>;
+       pll-data = <0x0e000000 0x00000101 0x00001616>;
 
        phy-mode = "rgmii";
        phy-handle = <&phy0>;
+
+       gmac-config {
+               device = <&gmac>;
+
+               rgmii-gmac0 = <1>;
+               rxd-delay = <3>;
+               rxdv-delay = <3>;
+       };
 };
 
 &uart {