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linux-sg2042
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ARM: dts: rockchip: enable the high speed on sdio for kylin board 

We want to the higher speed for wifi module working.

Bootup kernel log:
...
mmc_host mmc0: Bus speed (slot 0) = 37125000Hz (slot req 37500000Hz,
actual 37125000HZ div = 0)

or run 'cat /sys/kernel/debug/clk/clk_summary |grep phase -C 1' to check
Otherwise, the mmc0 will run 400khz defalult value to work.

Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Caesar Wang 2016-01-15 21:49:52 +08:00 committed by Heiko Stuebner
parent 5d69fa0f27
commit 99dc9fdc31
1 changed files with 5 additions and 0 deletions
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5
arch/arm/boot/dts/rk3036-kylin.dts
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@ -299,6 +299,7 @@
broken-cd;
bus-width = <4>;
cap-sd-highspeed;
cap-sdio-irq;
default-sample-phase = <90>;
keep-power-in-suspend;
@ -306,6 +307,10 @@
num-slots = <1>;
pinctrl-names = "default";
pinctrl-0 = <&sdio_clk &sdio_cmd &sdio_bus4>;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
sd-uhs-sdr104;
};
&uart0 {