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27 lines
884 B
Diff
27 lines
884 B
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Tianling Shen <cnsztl@gmail.com>
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Date: Mon Aug 05 16:14:33 2024 +0800
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Subject: [PATCH] arm64: dts: rockchip: lower mmc speed for Radxa Rock 5B
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The previously stated speed of sdr-104 in is too high for the hardware
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to reliably communicate with some fast SD cards.
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Rockchip boards have a common bug when operating uhs speed, which will
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hang the system during a soft reboot.
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To be on the safe side, lower the speed to workaround.
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Signed-off-by: Tianling Shen <cnsztl@gmail.com>
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---
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--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
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+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
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@@ -419,7 +419,7 @@
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cap-sd-highspeed;
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cd-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
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disable-wp;
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- sd-uhs-sdr104;
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+ sd-uhs-sdr50;
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vmmc-supply = <&vcc_3v3_s3>;
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vqmmc-supply = <&vccio_sd_s0>;
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status = "okay";
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