ARM: dts: imx27: Add core voltages
This patch adds core voltages for i.MX27 CPUs. Only 266 and 400 MHz modes
is documented in the datasheet, so we add a 266 MHz frequency for conform this.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index 056e33b..56b8c97 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -57,13 +57,14 @@
device_type = "cpu";
compatible = "arm,arm926ej-s";
operating-points = <
- /* kHz uV (No regulator support) */
- 133000 0
- 399000 0
+ /* kHz uV */
+ 266000 1300000
+ 399000 1450000
>;
clock-latency = <61036>; /* two CLK32 periods */
clocks = <&clks 18>;
clock-names = "cpu";
+ voltage-tolerance = <5>;
};
};