[PATCH 1/2] ARM: dts: rockchip: add cpu opp table for rv1108

Andy Yan
2017-08-21T09:06:44Z

Add cpu opp table for rv1108 to support frequency
from 408MHZ to 1008MHZ.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
---

arch/arm/boot/dts/rv1108-evb.dts | 4 ++++
arch/arm/boot/dts/rv1108.dtsi | 9 +++++++++
2 files changed, 13 insertions(+)

diff --git a/arch/arm/boot/dts/rv1108-evb.dts b/arch/arm/boot/dts/rv1108-evb.dts
index 32fb09a..e517aa3 100644
--- a/arch/arm/boot/dts/rv1108-evb.dts
+++ b/arch/arm/boot/dts/rv1108-evb.dts
@@ -104,6 +104,10 @@
};
};

+&cpu0 {
+ cpu-supply = <&vdd_core>;
+};
+
&i2c0 {
status = "okay";
i2c-scl-rising-time-ns = <275>;
diff --git a/arch/arm/boot/dts/rv1108.dtsi b/arch/arm/boot/dts/rv1108.dtsi
index 064cec3..6ebf07c 100644
--- a/arch/arm/boot/dts/rv1108.dtsi
+++ b/arch/arm/boot/dts/rv1108.dtsi
@@ -69,6 +69,15 @@
device_type = "cpu";
compatible = "arm,cortex-a7";
reg = <0xf00>;
+ operating-points = <
+ /* KHz uV */
+ 408000 975000
+ 600000 975000
+ 816000 1025000
+ 1008000 1150000
+ >;
+ clock-latency = <40000>;
+ clocks = <&cru ARMCLK>;
};
};

--
2.7.4