[PATCH v4 0/2] net: ti: am65-cpsw-nuss: Fix DT binding handling of pinctrl

[Maxime Ripard]

Hi,

This series is based on:
https://lore.kernel.org/all/20230713072019.3153871-1-nm@ti.com/
https://lore.kernel.org/u-boot/20230614222853.574427-1-dannenberg@ti.com/
https://lore.kernel.org/u-boot/20230722193151.117345-1-rogerq@kernel.org/

It fixes the issue of Linux booting from the DT embedded by U-boot. The
main issue there is that U-Boot doesn't handle the MDIO child node that
might have resources attached to it.

Thus, any pinctrl configuration that could be attached to the MDIO
child node is effectively ignored. Unfortunately, starting with 6.5-rc1,
Linux does just that.

This was solved by duplicating the pinctrl configuration onto the MAC
device node. Unfortunately, this doesn't work for Linux since now it has
two devices competing for the same pins.

Let me know what you think,
Maxime

Signed-off-by: Maxime Ripard <mripard at kernel.org>
---
Changes in v4:
- Squashed fixup patches
- Link to v3: https://lore.kernel.org/r/20230724-ti-mdio-pinmux-v3-0-fc8359b0014b@kernel.org

Changes in v3:
- Rebase on top of latest Roger series
- Link to v2: https://lore.kernel.org/r/20230721-ti-mdio-pinmux-v2-0-4bb443e09ac0@kernel.org

Changes in v2:
- Drop the pinctrl API change in favour of a dummy driver
- Link to v1: https://lore.kernel.org/r/20230720-ti-mdio-pinmux-v1-0-0bd3bd1cf759@kernel.org

---
Maxime Ripard (2):
      net: ti: am65-cpsw-nuss: Enforce pinctrl state on the MDIO child node
      fixup! arm: dts: k3-am62: Bump dtsi from linux v6.5-rc1

 arch/arm/dts/k3-am625-sk-u-boot.dtsi |  1 -
 drivers/net/ti/Kconfig               |  1 +
 drivers/net/ti/am65-cpsw-nuss.c      | 60 ++++++++++++++++++++++++++++++++++++
 3 files changed, 61 insertions(+), 1 deletion(-)
---
base-commit: db7126c87c44c45c448c68925d366510f7a09b11
change-id: 20230720-ti-mdio-pinmux-a12525dba973

Best regards,
-- 
Maxime Ripard <mripard at kernel.org>