[PATCH v2] dts64: mt7622: fix slow sd card access

From: Frank Wunderlich
Date: Wed Jan 13 2021 - 13:27:05 EST


From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>

Fix extreme slow speed (200MB takes ~20 min) on writing sdcard on
bananapi-r64 by adding reset-control for mmc1 like it's done for mmc0/emmc.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 2c002a3049f7 ("arm64: dts: mt7622: add mmc related device nodes")
Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
---
changes since v1:
- drop change to uhs-mode because mt7622 does not support it
---
arch/arm64/boot/dts/mediatek/mt7622.dtsi | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index 5b9ec032ce8d..7c6d871538a6 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -698,6 +698,8 @@ mmc1: mmc@11240000 {
clocks = <&pericfg CLK_PERI_MSDC30_1_PD>,
<&topckgen CLK_TOP_AXI_SEL>;
clock-names = "source", "hclk";
+ resets = <&pericfg MT7622_PERI_MSDC1_SW_RST>;
+ reset-names = "hrst";
status = "disabled";
};

--
2.25.1