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ARM: dts: add property for maximum ADC clock frequencies 

The ADC clock frequency is limited depending on modes used. Add
device tree property which allow to set the mode used and the
maximum frequency ratings for the instance. These allows to
set the ADC clock to a frequency which is within specification
according to the actual mode used.

Acked-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
hifive-unleashed-5.1
Stefan Agner 2015-05-27 14:47:52 +02:00 committed by Shawn Guo
parent abb9f253cd
commit def0641e2f
1 changed files with 4 additions and 0 deletions
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4
arch/arm/boot/dts/vfxxx.dtsi
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@ -228,6 +228,8 @@
clock-names = "adc";
#io-channel-cells = <1>;
status = "disabled";
fsl,adck-max-frequency = <30000000>, <40000000>,
<20000000>;
};
wdoga5: wdog@4003e000 {
@ -470,6 +472,8 @@
<&clks VF610_CLK_ESDHC0>;
clock-names = "ipg", "ahb", "per";
status = "disabled";
fsl,adck-max-frequency = <30000000>, <40000000>,
<20000000>;
};
esdhc1: esdhc@400b2000 {