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 056e33bd8b470e1f24206c69dc47cbea9c8f3ace..56b8c97a8c9912b9963a86f77ee69d20410c48dc 100644 (file)
--- 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>;
                };
        };