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authorPaweł Jarosz <paweljarosz3691@gmail.com>2016-11-04 21:07:31 +0300
committerHeiko Stuebner <heiko@sntech.de>2016-11-06 14:41:10 +0300
commit04a6e5e83a37cdcc45bf53970b03f6a8e58e3462 (patch)
treec1da32d2b185cf67990976afb131712bdcc47cd0
parentc959ab8be2332aef1a13ea624a0bfa995cfa583c (diff)
downloadlinux-04a6e5e83a37cdcc45bf53970b03f6a8e58e3462.tar.xz
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>
-rw-r--r--arch/arm/boot/dts/rk3066a.dtsi2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/rk3066a.dtsi b/arch/arm/boot/dts/rk3066a.dtsi
index f3a51099f5e0..fc8dcc72b16f 100644
--- 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>;
};