2020-03-13 05:33:36

by Oleksij Rempel

Subject: [PATCH v2 1/2] ARM: dts: imx6dl-riotboard: properly define rgmii PHY

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 <[email protected]>
---
arch/arm/boot/dts/imx6dl-riotboard.dts | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx6dl-riotboard.dts b/arch/arm/boot/dts/imx6dl-riotboard.dts
index 829654e1835a..065d3ab0f50a 100644
--- a/arch/arm/boot/dts/imx6dl-riotboard.dts
+++ b/arch/arm/boot/dts/imx6dl-riotboard.dts
@@ -89,11 +89,25 @@ &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

2020-03-13 09:58:07

by Andrew Lunn

Subject: Re: [PATCH v2 1/2] ARM: dts: imx6dl-riotboard: properly define rgmii PHY

On Fri, Mar 13, 2020 at 06:32:23AM +0100, Oleksij Rempel wrote:
> 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 <[email protected]>

Reviewed-by: Andrew Lunn <[email protected]>

Andrew