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2b67b80839
Signed-off-by: aakkll <94471752+aakkll@users.noreply.github.com> Signed-off-by: aakkll <94471752+aakkll@users.noreply.github.com>
33 lines
1.1 KiB
Diff
33 lines
1.1 KiB
Diff
From eda045fa2ca7b1567457048a389cda854a3a01e5 Mon Sep 17 00:00:00 2001
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From: Peter Geis <pgwipeout@gmail.com>
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Date: Wed, 11 May 2022 11:01:16 -0400
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Subject: [PATCH 02/51] arm64: dts: rockchip: enable sdr-104 for sdmmc on
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Quartz A
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Now that we have working io-domain support, we can enable higher date
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rates on the sdmmc card.
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Before:
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Timing buffered disk reads: 68 MB in 3.08 seconds = 22.07 MB/sec
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After:
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Timing buffered disk reads: 188 MB in 3.02 seconds = 62.29 MB/sec
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Signed-off-by: Peter Geis <pgwipeout@gmail.com>
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Link: https://lore.kernel.org/r/20220511150117.113070-6-pgwipeout@gmail.com
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Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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---
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arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts | 1 +
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1 file changed, 1 insertion(+)
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--- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
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+++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
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@@ -595,6 +595,7 @@
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disable-wp;
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pinctrl-names = "default";
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pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
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+ sd-uhs-sdr104;
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vmmc-supply = <&vcc3v3_sd>;
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vqmmc-supply = <&vccio_sd>;
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status = "okay";
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