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@xxxxxxxxxxxxxx> --- Changes in v2: None arch/arm/boot/dts/rk3036-kylin.dts | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/rk3036-kylin.dts b/arch/arm/boot/dts/rk3036-kylin.dts index b642369..b2e5f5d 100644 --- a/arch/arm/boot/dts/rk3036-kylin.dts +++ b/arch/arm/boot/dts/rk3036-kylin.dts @@ -304,6 +304,11 @@ broken-cd; bus-width = <4>; + cap-sd-highspeed; + sd-uhs-sdr12; + sd-uhs-sdr25; + sd-uhs-sdr50; + sd-uhs-sdr104; cap-sdio-irq; default-sample-phase = <90>; keep-power-in-suspend; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
