Subject: [PATCHv4 3/6] ARM: dts: exynos: update maximum frequency for sdcard to 200MHz

From: [email-masked] (Anand Moon)
Date: Sat, 22 Sep 2018 07:52:35 +0000

set the max-frequency to 200MHz for optimal performace.

Signed-off-by: Anand Moon <[email-masked]>
---
This patch is new to this series.

microSD card.
root at odroid:~# sudo cat /sys/kernel/debug/mmc1/ios
clock:          200000000 Hz
actual clock:   200000000 Hz
vdd:            16 (2.8 ~ 2.9 V)
bus mode:       2 (push-pull)
chip select:    0 (don't care)
power mode:     2 (on)
bus width:      2 (4 bits)
timing spec:    6 (sd uhs SDR104)
signal voltage: 1 (1.80 V)
driver type:    0 (driver type B)
---
 arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
index 15ab380e5fcf..a80b6c045154 100644
--- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
+++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
@@ -501,6 +501,7 @@
 	pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus1 &sd2_bus4>;
 	bus-width = <4>;
 	cap-sd-highspeed;
+	max-frequency = <200000000>;
 	vmmc-supply = <&ldo19_reg>;
 	vqmmc-supply = <&ldo13_reg>;
 	sd-uhs-sdr50;
-- 
2.17.1