[PATCH v3] arm64: dts: zii-ultra: update MDIO speed and preamble

[Chris Healy]

Update MDIO configuration with zii-ultra device to fully utilize
MDIO endpoint capabilities.  Device supports 12.5MHz clock and
doesn't require MDIO preamble.

Signed-off-by: Chris Healy <cphealy@xxxxxxxxx>
---
v3:
- make "status = okay" the last property
v2:
- Fix subject line to reference zii-ultra:
- Get rid of "=<1>;" from suppress-preamble lines

 arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
index 6a55165bd76a..0d1088dcaa02 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
@@ -131,6 +131,8 @@
 	mdio {
 		#address-cells = <1>;
 		#size-cells = <0>;
+		clock-frequency = <12500000>;
+		suppress-preamble;
 		status = "okay";
 
 		switch: switch@0 {
-- 
2.21.3