arm: dts: rockchip: rk3288: update tsadc's working frequence

tsadc in rk3288 can not work well at 10k hz clock. at most time, tsadc
in rk3288 can work well, but it will wrongly report a very high
temperature (eg. 110 degree) occasionally.  we set 5k hz can
resolve this issue.

Change-Id: I06a4a1631baa5f65786a524e2430bb2386f52bdf
Signed-off-by: Rocky Hao <rocky.hao@rock-chips.com>

diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 8b920ac4bd7535f39695f92f65424fd29961f221..88979ebdd38056eca43db35f25f73a33e9cdb4fe 100644 (file)
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -572,7 +572,7 @@
                clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>;
                clock-names = "tsadc", "apb_pclk";
                assigned-clocks = <&cru SCLK_TSADC>;
-               assigned-clock-rates = <10000>;
+               assigned-clock-rates = <5000>;
                resets = <&cru SRST_TSADC>;
                reset-names = "tsadc-apb";
                pinctrl-names = "init", "default", "sleep";