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Message-Id: <20220511150117.113070-6-pgwipeout@gmail.com>
Date: Wed, 11 May 2022 11:01:16 -0400
From: Peter Geis <pgwipeout@...il.com>
To: Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Heiko Stuebner <heiko@...ech.de>
Cc: linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
Peter Geis <pgwipeout@...il.com>
Subject: [PATCH v1 5/6] arm64: dts: rockchip: enable sdr-104 on sdmmc
Now that we have working io-domain support, we can enable higher date
rates on the sdmmc card.
Before:
Timing buffered disk reads: 68 MB in 3.08 seconds = 22.07 MB/sec
After:
Timing buffered disk reads: 188 MB in 3.02 seconds = 62.29 MB/sec
Signed-off-by: Peter Geis <pgwipeout@...il.com>
---
arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
index 991b7b1b8443..71df64655de5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
@@ -582,6 +582,7 @@ &sdmmc0 {
disable-wp;
pinctrl-names = "default";
pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
+ sd-uhs-sdr104;
vmmc-supply = <&vcc3v3_sd>;
vqmmc-supply = <&vccio_sd>;
status = "okay";
--
2.25.1
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