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Subject[PATCH] ARM: dts: add phy-reset property for rk3066a-rayeager emac
Date
The ethernet phy of rk3066a-rayeager has a reset pin, it controlled by
GPIO1_D6, this pin should be pull down then pull up to reset the phy.
Add a phy-reset property in emac, make the phy can be reset when emac
power on.

Signed-off-by: Chris Zhong <zyw@rock-chips.com>
---

arch/arm/boot/dts/rk3066a-rayeager.dts | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/rk3066a-rayeager.dts b/arch/arm/boot/dts/rk3066a-rayeager.dts
index 570157f..6064a0a 100644
--- a/arch/arm/boot/dts/rk3066a-rayeager.dts
+++ b/arch/arm/boot/dts/rk3066a-rayeager.dts
@@ -173,6 +173,8 @@
pinctrl-0 = <&emac_xfer>, <&emac_mdio>, <&rmii_rst>;
phy = <&phy0>;
phy-supply = <&vcc_rmii>;
+ phy-reset-gpios = <&gpio1 RK_PD6 GPIO_ACTIVE_LOW>; /* PHY_RST */
+ phy-reset-duration = <10>; /* millisecond */
status = "okay";

phy0: ethernet-phy@0 {
--
2.7.4
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