ARM: dts: imx6: RDU2: bump SoC/PU operating points by 25mV

This bumps the SoC/PU domain operating points by 25mV, giving a total
of 75mV margin to the minimum required voltages. This gets rid of
brown-outs seen due to voltage drop-out on the board.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Tested-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
index 911f7f0..ea2093f 100644 (file)
--- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
@@ -263,6 +263,17 @@
        };
 };
 
+&cpu0 {
+       fsl,soc-operating-points = <
+               /* ARM kHz  SOC-PU uV */
+               1200000 1300000
+               996000  1275000
+               852000  1275000
+               792000  1200000
+               396000  1200000
+       >;
+};
+
 &reg_arm {
        vin-supply = <&sw1a_reg>;
 };