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Subject[PATCHv5 5/6] ARM: dts: exynos: update maximum frequency for emmc to 200MHz
Date
Set the max-frequency to 200MHz for optimal performace of eMMC.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
eMMC

root@odroid:~# sudo cat /sys/kernel/debug/mmc0/ios
clock: 200000000 Hz
actual clock: 200000000 Hz
vdd: 7 (1.65 - 1.95 V)
bus mode: 2 (push-pull)
chip select: 0 (don't care)
power mode: 2 (on)
bus width: 3 (8 bits)
timing spec: 10 (mmc HS400)
signal voltage: 1 (1.80 V)
driver type: 0 (driver type B)
---
arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
index e522edb2bb82..1f2d3987dde1 100644
--- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
+++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
@@ -392,6 +392,7 @@
cap-mmc-highspeed;
mmc-hs200-1_8v;
mmc-hs400-1_8v;
+ max-frequency = <200000000>;
vmmc-supply = <&ldo18_reg>;
vqmmc-supply = <&ldo3_reg>;
};
--
2.17.1
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