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arm64: dts: rockchip: assign 400KHz to i2c bus clock for rk3308-evb

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Reduce about 8ms for led driver initialization time

before:
initcall is31fl32xx_driver_init+0x0/0x20 returned 0 after 14832 usecs

after:
initcall is31fl32xx_driver_init+0x0/0x20 returned 0 after 6270 usecs

Change-Id: I3154efa154a484ccf8f9974c8148ff9895b1f68a
Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
This commit is contained in:
Ziyuan Xu
2018-04-19 11:36:07 +08:00
committed by Tao Huang
parent 1e9f9ce3af
commit 64298fd57f
1 changed files with 1 additions and 0 deletions
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1
arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi
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@@ -272,6 +272,7 @@
};
&i2c1 {
clock-frequency = <400000>;
status = "okay";
is31fl3236: led-controller@3c {