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ARM: dts: Switch i2c0 to 400kHz on rk3288-evb-rk808

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We should be able to talk to the PMIC at 400kHz.  No need to talk at
the slow 100kHz.

As measured by ftrace (with a bunch of extra patches, since cpufreq
for rk808 hasn't landed yet):
  before this change: cpu0_set_target() => ~500us
  after this change:  cpu0_set_target() => ~300us

Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-by Addy Ke <addy.ke@rock-chips.com>
Tested-by Addy Ke <addy.ke@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Doug Anderson 2014-09-10 21:30:15 -07:00 committed by Heiko Stuebner
parent 60c20784f2
commit 0f4fc38242
1 changed files with 1 additions and 0 deletions
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arch/arm/boot/dts/rk3288-evb-rk808.dts
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@ -18,6 +18,7 @@
};
&i2c0 {
clock-frequency = <400000>;
status = "okay";
rk808: pmic@1b {