[PATCH 0/5] net: mdio-uclass: probe generic Ethernet PHY driver & Fix Beagleplay Ethernet

[Roger Quadros]

On 05/03/2024 15:24, Roger Quadros wrote:
> Currently, the GPIO Reset Device Tree properties of the
> PHY node are ignored when the PHY is probed via mdio-uclass driver [1].
> 
> To resolve this, for each child of the MDIO bus node, bind and probe
> the generic Ethernet PHY driver if CONFIG_DM_ETH_PHY is enabled.
> 
> This should now show the generic_phy_driver in "dm tree"
> and also apply the GPIO reset before the MDIO bus driver scans the bus
> for the PHYs.
> 
>  ethernet      0  [ + ]   am65_cpsw_nuss_port       |   |-- ethernet at 8000000port@1
>  bootdev       3  [   ]   eth_bootdev               |   |   `-- port at 1.bootdev
>  mdio          0  [ + ]   cpsw_mdio                 |   `-- mdio at f00
>  eth_phy_ge    0  [ + ]   eth_phy_generic_drv       |       |-- ethernet-phy at 0
>  eth_phy_ge    1  [ + ]   eth_phy_generic_drv       |       `-- ethernet-phy at 1
> 
> To test this on Beagleplay, the following series is required
> 
> [1] Switch am65-cpsw to DM MDIO
>  https://lore.kernel.org/all/20240228-for-2024-07-am65-cpsw-mdio-v2-0-f74f972eafeb@kernel.org/
> 
> The last 3 patches are marked [not-for-merge]. They are to show how the
> whole solution can work to fix Ethernet on Beagleplay, which has been broken
> so far. Those DT patches will be sent once the device tree changes are merged
> into Linux tree.
> 
> Signed-off-by: Roger Quadros <rogerq at kernel.org>

Some CI tests failed. I will fix and send v2.
https://github.com/u-boot/u-boot/pull/495

> ---
> Roger Quadros (5):
>       net: mdio-uclass: Bind and probe generic Ethernet PHY driver
>       configs/am62x_beagleplay_a53_defconfig: enable DM_ETH_PHY
>       [not-for-merge] arm: dts: k3-am62*: sync with linux-next-20240229
>       [not-for-merge] k3-am625-beagleplay-u-boot: get CPSW Ethernet to work
>       [not-for-merge] arm: dts: k3-am625-beagleplay: Fix Ethernet PHY reset GPIO
> 
>  arch/arm/dts/k3-am62-main.dtsi               | 126 ++++++++++++++---
>  arch/arm/dts/k3-am62-mcu.dtsi                |   4 +-
>  arch/arm/dts/k3-am62-phycore-som.dtsi        |   5 +-
>  arch/arm/dts/k3-am62-thermal.dtsi            |   5 +-
>  arch/arm/dts/k3-am62-verdin-dev.dtsi         |   4 +-
>  arch/arm/dts/k3-am62-verdin-wifi.dtsi        |   1 -
>  arch/arm/dts/k3-am62-verdin.dtsi             |  76 +++++++---
>  arch/arm/dts/k3-am62-wakeup.dtsi             |  38 +++--
>  arch/arm/dts/k3-am62.dtsi                    |   4 +-
>  arch/arm/dts/k3-am625-beagleplay-u-boot.dtsi |  63 +++++++++
>  arch/arm/dts/k3-am625-beagleplay.dts         |  66 ++++-----
>  arch/arm/dts/k3-am625-phyboard-lyra-rdk.dts  | 104 +++++++++++++-
>  arch/arm/dts/k3-am625-sk.dts                 |   4 +-
>  arch/arm/dts/k3-am625.dtsi                   |   4 +-
>  arch/arm/dts/k3-am62a-main.dtsi              | 201 +++++++++++++++++++++++++--
>  arch/arm/dts/k3-am62a-mcu.dtsi               |   4 +-
>  arch/arm/dts/k3-am62a-thermal.dtsi           |   5 +-
>  arch/arm/dts/k3-am62a-wakeup.dtsi            |   4 +-
>  arch/arm/dts/k3-am62a.dtsi                   |   4 +-
>  arch/arm/dts/k3-am62a7-sk.dts                | 162 ++++++++++++++++++++-
>  arch/arm/dts/k3-am62a7.dtsi                  |   4 +-
>  arch/arm/dts/k3-am62x-sk-common.dtsi         |  24 +++-
>  configs/am62x_beagleplay_a53_defconfig       |   2 +-
>  net/mdio-uclass.c                            |  41 ++++++
>  24 files changed, 825 insertions(+), 130 deletions(-)
> ---
> base-commit: 84f5bb0be0ec9fbf98f8f3317b578dfc114cf44e
> change-id: 20240305-for-2024-07-beagleplay-eth-f82a51197937
> 
> Best regards,

-- 
cheers,
-roger