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Subject[PATCH] ARM64: dts: update MDIO speed and preamble for zii-ultra device
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@gmail.com>
---
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..98aa67a4c040 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
@@ -132,6 +132,8 @@
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
+ suppress-preamble = <1>;
+ clock-frequency = <12500000>;

switch: switch@0 {
compatible = "marvell,mv88e6085";
--
2.21.3
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