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rockchip: disable UHS speed for ROC-RK3328-CC

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The previously stated speed of sdr-104 in is too high for the hardware
to reliably communicate with some fast SD cards.
Rockchip boards have a common bug when operating uhs speed, which will
hang the system during a soft reboot.

To be on the safe side, lower the speed to workaround.

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
This commit is contained in:
Tianling Shen 2023-04-24 01:03:25 +08:00
parent 395de5103a
commit b0e869501a
1 changed files with 10 additions and 0 deletions
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10
target/linux/rockchip/patches-5.15/105-nanopi-r4s-sd-signalling.patch
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@ -10,6 +10,16 @@ userspace or following a kernel panic is always working.
Signed-off-by: David Bauer <mail@david-bauer.net>
--- a/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts
@@ -335,7 +335,6 @@
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
- sd-uhs-sdr104;
vmmc-supply = <&vcc_sd>;
vqmmc-supply = <&vcc_sdio>;
status = "okay";
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
@@ -121,6 +121,11 @@