arm64: dts: rockchip: Add enable-strobe-pulldown to emmc phy on ROCK 4C+

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Commit 8b5c2b45b8 disabled the internal pull-down for the strobe line
causing I/O errors in HS400 mode for various eMMC modules.

Enable the internal strobe pull-down for the ROCK 4C+ board. Also re-enable
HS400 mode, that was replaced with HS200 mode as a workaround for the
stability issues in:
2bd1d2dd80 ("arm64: dts: rockchip: Disable HS400 for eMMC on ROCK 4C+").

Fixes: 8b5c2b45b8 ("phy: rockchip: set pulldown for strobe line in dts")
Signed-off-by: Folker Schwesinger <dev@folker-schwesinger.de>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Link: https://lore.kernel.org/r/20240327192641.14220-3-dev@folker-schwesinger.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

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Folker Schwesinger 2024-03-27 20:26:38 +01:00 • committed by Heiko Stuebner

parent f720dd9b8b

commit c1b1f340dd

1 changed files with 3 additions and 1 deletions

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arch/arm64/boot/dts/rockchip/rk3399-rock-4c-plus.dts

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