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* [PATCH] ARM64: dts: update MDIO speed and preamble for zii-ultra device
@ 2020-07-05  1:26 ` Chris Healy
  0 siblings, 0 replies; 10+ messages in thread
From: Chris Healy @ 2020-07-05  1:26 UTC (permalink / raw)
  To: Shawn Guo, Fabio Estevam, Andrew Lunn, Rob Herring, devicetree,
	linux-kernel, linux ARM

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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^ permalink raw reply related	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2020-07-07 22:14 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-07-05  1:26 [PATCH] ARM64: dts: update MDIO speed and preamble for zii-ultra device Chris Healy
2020-07-05  1:26 ` Chris Healy
2020-07-07 21:54 ` Fabio Estevam
2020-07-07 21:54   ` Fabio Estevam
2020-07-07 22:13   ` Chris Healy
2020-07-07 22:13     ` Chris Healy
2020-07-07 21:59 ` Florian Fainelli
2020-07-07 21:59   ` Florian Fainelli
2020-07-07 22:12   ` Chris Healy
2020-07-07 22:12     ` Chris Healy

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