ARM: dts: rockchip: Set sdmmc frequency at boot time for rk3066a

Currently driver leaves sdmmc frequency at its default.
So lets set this to 50MHz.
This gives us performance boost in mmc transfers.

Signed-off-by: Paweł Jarosz <paweljarosz3691@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm/boot/dts/rk3066a.dtsi b/arch/arm/boot/dts/rk3066a.dtsi
index f3a51099f5e03ead4d938047acdf3305b1ab1c5a..fc8dcc72b16f78070cc83f1e2426b84d76d68024 100644 (file)
--- a/arch/arm/boot/dts/rk3066a.dtsi
+++ b/arch/arm/boot/dts/rk3066a.dtsi
@@ -636,6 +636,8 @@
 };
 
 &mmc0 {
+       clock-frequency = <50000000>;
+       max-frequency = <50000000>;
        pinctrl-names = "default";
        pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4>;
 };