Re: [PATCH v3 1/2] riscv: dts: spacemit: k1: mark boot-critical SoC nodes bootph-pre-ram

[Hung-Chun Tseng <alan.tseng.cs@gmail.com>]

Hi Anand,

On Sun, 25 Oct 2026 at 18:43, Anand Moon <linux.amoon@gmail.com> wrote:
> Could you update the pinctrl and GPIO configurations, including all
> necessary pin
> assignments, to bring up the SD card, PCIe, and Ethernet nodes?
>
> Please ensure that the required bootph-pre-ram properties are applied
> to the relevant
> pinctrl, GPIO, and other dependent nodes wherever necessary for SD card boot and
> SPL initialization.

I'd like to keep this series to what is needed before DRAM is up.
PCIe and Ethernet are not used in that phase, and their pinctrl-0
entries are already in the board files.

For the boot media, the BootROM has already set up the pins of the
device it loaded the SPL from. U-Boot's spacemit_k1_defconfig does
not enable SPL_PINCTRL or SPL_GPIO either, so the tags would have no
user today. SD boot on a Milk-V Jupiter works without them.

E also asked on the cover letter to keep the BootROM part and the DRAM
part apart, so I'd rather not widen it.

> Additionally, could you update the regulator-name properties for
> vdd_core, vdd_1v8,
> and vdd_1v8_mmc?  On all the boards, the SPL code requires these regulator names
> to locate and enable the corresponding regulators during early boot.

These names come from the U-Boot SPL code, not from the board
schematics, and U-Boot already sets them in
arch/riscv/dts/k1-bananapi-f3-u-boot.dtsi and k1-musepi-pro-u-boot.dtsi.
I think that is the right place for them.

> I am verifying the changes against the existing U-Boot board device
> tree and configuration to ensure
> that SD card, eMMC, PCIe, and Ethernet initialization work correctly.

Thanks for testing. Please let me know how it goes.

Thanks,
Hung-Chun