riscv: dts: spacemit: enable SD card support on Milk-V Jupiter

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Add complete SD card controller support with UHS high-speed modes.

- Enable sdhci0 controller with 4-bit bus width
- Configure card detect GPIO with pull-up
- Connect vmmc-supply to buck4 for 3.3V card power
- Connect vqmmc-supply to aldo1 for 1.8V/3.3V I/O switching
- Add dual pinctrl states for voltage-dependent pin configuration
- Support UHS-I SDR25, SDR50, and SDR104 modes
- Alias it as mmc1

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Yixun Lan <dlan@kernel.org>
Link: https://patch.msgid.link/20260519041458.3287843-5-aurelien@aurel32.net
Signed-off-by: Yixun Lan <dlan@kernel.org>

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Aurelien Jarno 2026-05-19 06:12:38 +02:00 • committed by Yixun Lan

parent 4bc9f44d58

commit 60b5e027c8

1 changed files with 20 additions and 1 deletions

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arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts

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