[PATCH 1/1] riscv: dts: starfive: Milk-V Mars CM Lite broken-cd

Conor Dooley conor at kernel.org
Thu Feb 26 09:58:44 PST 2026


From: Conor Dooley <conor.dooley at microchip.com>

On Wed, 04 Feb 2026 11:16:02 +0100, Heinrich Schuchardt wrote:
> The card detect GPIO depends on support by the base board.
> 
> Detecting an SD-card did not work for me with a Milk-V Mars CM Lite
> mounted on an Waveshare CM4-IO-BASE-A board.
> 
> According to [1] SD_SDIO0_CD_GPIO41 is connected to pin 76 reserved.
> The Raspberry Pi Compute Module 4 IO Board documentation marks that pin as
> reserved. The Raspberry Pi Compute Module 5 IO Board documentation
> marks the pin as VBAT.
> 
> [...]

I agree with the stance that the "default value without any overlay
should be one that allows to use  the SD-card on all IO-boards,
i.e. 'broken-cd'.", applied to riscv-dt-fixes, thanks!

[1/1] riscv: dts: starfive: Milk-V Mars CM Lite broken-cd
      https://git.kernel.org/conor/c/4ade402d5d89

Thanks,
Conor.



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