[PATCH 8/8] ARM: dts: imx6qdli-icore: Add fec phy-handle

Jagan Teki jagan at amarulasolutions.com
Fri Jan 3 17:43:53 CET 2020


Hi Stefano,

On Fri, Jan 3, 2020 at 5:03 PM Stefano Babic <sbabic at denx.de> wrote:
>
> Hi Jagan, Michael,
>
> On 31/12/19 07:21, Jagan Teki wrote:
> > On Mon, Dec 30, 2019 at 10:55 PM Michael Nazzareno Trimarchi
> > <michael at amarulasolutions.com> wrote:
> >>
> >> Hi
> >>
> >> On Mon, Dec 30, 2019 at 1:04 PM Jagan Teki <jagan at amarulasolutions.com> wrote:
> >>>
> >>> From: Michael Trimarchi <michael at amarulasolutions.com>
> >>>
> >>> LAN8720 needs a reset of every clock enable. The reset needs
> >>> to be done at device level, due the flag PHY_RST_AFTER_CLK_EN.
> >>>
> >>> So, add phy-handle by creating mdio child node inside fec.
> >>> This will eventually move the phy-reset-gpio which is defined
> >>> in fec node.
> >>>
> >>> Signed-off-by: Michael Trimarchi <michael at amarulasolutions.com>
> >>> Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
> >>> ---
> >>>  arch/arm/dts/imx6qdl-icore.dtsi | 15 ++++++++++++++-
> >>>  1 file changed, 14 insertions(+), 1 deletion(-)
> >>>
> >>> diff --git a/arch/arm/dts/imx6qdl-icore.dtsi b/arch/arm/dts/imx6qdl-icore.dtsi
> >>> index 7814f1ef08..756f3a9f1b 100644
> >>> --- a/arch/arm/dts/imx6qdl-icore.dtsi
> >>> +++ b/arch/arm/dts/imx6qdl-icore.dtsi
> >>> @@ -150,10 +150,23 @@
> >>>  &fec {
> >>>         pinctrl-names = "default";
> >>>         pinctrl-0 = <&pinctrl_enet>;
> >>> -       phy-reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>;
> >>>         clocks = <&clks IMX6QDL_CLK_ENET>, <&clks IMX6QDL_CLK_ENET>, <&rmii_clk>;
> >>>         phy-mode = "rmii";
> >>> +       phy-handle = <&eth_phy>;
> >>>         status = "okay";
> >>> +
> >>> +       mdio {
> >>> +               #address-cells = <1>;
> >>> +               #size-cells = <0>;
> >>> +
> >>> +               eth_phy: ethernet-phy at 0 {
> >>> +                       compatible = "ethernet-phy-ieee802.3-c22";
> >>> +                       reg = <0>;
> >>> +                       reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>;
> >>> +                       reset-assert-us = <4000>;
> >>> +                       reset-deassert-us = <4000>;
> >>> +               };
> >>> +       };
> >>>  };
> >>
> >> This work in linux but not in uboot. I don't think that we have this
> >> kind of connection.
> >
> > Okay. Missed to check will drop this from series.
> >
>
> So is it ok if I merge the series with the exception of 8/8 ?

Yes, please.


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