ARM: dts: am335x-lxm: Use rmii-clock-ext

Use external clock for RMII since the internal clock doesn't meet the
jitter requirements.

Signed-off-by: George McCollister <george.mccollister@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/am335x-lxm.dts b/arch/arm/boot/dts/am335x-lxm.dts
index 7266a00aab2e..5c5667a3624d 100644
--- a/arch/arm/boot/dts/am335x-lxm.dts
+++ b/arch/arm/boot/dts/am335x-lxm.dts
@@ -328,6 +328,10 @@
         dual_emac_res_vlan = <3>;
 };
 
+&phy_sel {
+        rmii-clock-ext;
+};
+
 &mac {
         pinctrl-names = "default", "sleep";
         pinctrl-0 = <&cpsw_default>;