diff mbox series

[PATCHv5,3/6] ARM: dts: exynos: update maximum frequency for sdcard to 200MHz

Message ID 20180927140738.1006-4-linux.amoon@gmail.com (mailing list archive)
State New, archived
Headers show
Series Add support for UHS-I on Exynos5422 odroid boards | expand

Commit Message

Anand Moon Sept. 27, 2018, 2:07 p.m. UTC
set the max-frequency to 200MHz for optimal performace.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
This patch is new to this series.

microSD card.
root@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(+)

Comments

Krzysztof Kozlowski Nov. 13, 2018, 7:38 p.m. UTC | #1
On Thu, Sep 27, 2018 at 02:07:35PM +0000, Anand Moon wrote:
> set the max-frequency to 200MHz for optimal performace.
> 

Thanks, applied.

Best regards,
Krzysztof
diff mbox series

Patch

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;