ARM: dts: rockchip: Set sdmmc frequency at boot time
Subsystems (2)
PATCH 1/1 ARM: dts: rockchip: Set sdmmc frequency at boot time
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 <[email protected]>
--- arch/arm/boot/dts/rk3066a.dtsi | 2 ++ 1 file changed, 2 insertions(+)
arch/arm/boot/dts/rk3066a.dtsi +2 -0
@@ -636,6 +636,8 @@ }; &mmc0 { + clock-frequency = <50000000>; + max-frequency = <50000000>; pinctrl-names = "default"; pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4>; };
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2.7.4 _______________________________________________ Linux-rockchip mailing list [email protected] http://lists.infradead.org/mailman/listinfo/linux-rockchip
Heiko Stuebner
AppliedAm Freitag, 4. November 2016, 19:07:31 CET schrieb Paweł Jarosz:
Quoted 5 lines
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 <[email protected]>
applied to my dts32 branch for 4.10
Thanks
Heiko
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