lkml.org 
[lkml]   [2020]   [Mar]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v1] ARM: dts: imx6dl-riotboard: properly define rgmii PHY
Date
The Atheros AR8035 PHY can be autodetected but can't use interrupt
support provided on this board. Define MDIO bus and the PHY node to make
it work properly.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
arch/arm/boot/dts/imx6dl-riotboard.dts | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx6dl-riotboard.dts b/arch/arm/boot/dts/imx6dl-riotboard.dts
index 829654e1835a..17c637b66387 100644
--- a/arch/arm/boot/dts/imx6dl-riotboard.dts
+++ b/arch/arm/boot/dts/imx6dl-riotboard.dts
@@ -89,11 +89,27 @@ &fec {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enet>;
phy-mode = "rgmii-id";
- phy-reset-gpios = <&gpio3 31 GPIO_ACTIVE_LOW>;
+ phy-handle = <&rgmii_phy>;
interrupts-extended = <&gpio1 6 IRQ_TYPE_LEVEL_HIGH>,
<&intc 0 119 IRQ_TYPE_LEVEL_HIGH>;
fsl,err006687-workaround-present;
status = "okay";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* Atheros AR8035 PHY */
+ rgmii_phy: ethernet-phy@4 {
+ reg = <4>;
+
+ interrupts-extended = <&gpio1 28 IRQ_TYPE_LEVEL_LOW>;
+
+ reset-gpios = <&gpio3 31 GPIO_ACTIVE_LOW>;
+ reset-assert-us = <10000>;
+ reset-deassert-us = <1000>;
+ };
+ };
};

&gpio1 {
--
2.25.1
\
 
 \ /
  Last update: 2020-03-04 07:55    [W:0.032 / U:9.160 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site