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36 lines
1.0 KiB
Diff
36 lines
1.0 KiB
Diff
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From bc25983bc1efb11656f7b9951de979e1959e8eef Mon Sep 17 00:00:00 2001
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From: Samuel Dionne-Riel <samuel@dionne-riel.com>
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Date: Fri, 24 Jan 2020 19:17:12 -0500
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Subject: [PATCH] gru: Force hs200 for eMMC
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hs400, at least on gru-dumo, a gru-scarlet, fails.
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---
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arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi | 10 +---------
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1 file changed, 1 insertion(+), 9 deletions(-)
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diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
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index dd5624975c9b4..1221894c54977 100644
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--- a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
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+++ b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
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@@ -490,16 +490,8 @@ ap_i2c_audio: &i2c8 {
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};
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&sdhci {
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- /*
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- * Signal integrity isn't great at 200 MHz and 150 MHz (DDR) gives the
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- * same (or nearly the same) performance for all eMMC that are intended
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- * to be used.
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- */
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- assigned-clock-rates = <150000000>;
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-
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bus-width = <8>;
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- mmc-hs400-1_8v;
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- mmc-hs400-enhanced-strobe;
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+ mmc-hs200-1_8v;
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non-removable;
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status = "okay";
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};
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--
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2.23.1
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