ARM: dts: imx6q: add vddsoc/pu setpoint info

i.MX6Q needs to update vddarm, vddsoc/pu regulators when cpu freq
is changed, each setpoint has different voltage, so we need to
pass vddarm, vddsoc/pu's freq-voltage info from dts together.

Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
[shawn.guo: cherry-pick commit 69171eda49ae from upstream]

diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi
index 0127d8e46443a8a494da37770682b27fa8af3cba..4b4cc7868b5b3167afc3cdddb104384737340639 100644 (file)
--- a/arch/arm/boot/dts/imx6q.dtsi
+++ b/arch/arm/boot/dts/imx6q.dtsi
@@ -28,6 +28,13 @@
                                792000  1150000
                                396000  975000
                        >;
+                       fsl,soc-operating-points = <
+                               /* ARM kHz  SOC-PU uV */
+                               1200000 1275000
+                               996000  1250000
+                               792000  1175000
+                               396000  1175000
+                       >;
                        clock-latency = <61036>; /* two CLK32 periods */
                        clocks = <&clks 104>, <&clks 6>, <&clks 16>,
                                 <&clks 17>, <&clks 170>;