[PATCH 06/17] ARM: dts: sun7i: Add cpu clock reference and operating points to dtsi
Chen-Yu Tsai
wens at csie.org
Mon Jan 5 18:35:16 PST 2015
The cpu core is clocked from the "cpu" clock. Add a reference to it
in the first cpu node. Also add "cpu0" label to the node.
The operating points were taken from the A20 FEX files in the
sunxi-boards repository. Not all boards have the same settings. The
settings in this patch are the most generic ones.
Signed-off-by: Chen-Yu Tsai <wens at csie.org>
---
arch/arm/boot/dts/sun7i-a20.dtsi | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 01c7133e699c..887b0521bbfb 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -82,10 +82,26 @@
#address-cells = <1>;
#size-cells = <0>;
- cpu at 0 {
+ cpu0: cpu at 0 {
compatible = "arm,cortex-a7";
device_type = "cpu";
reg = <0>;
+ clocks = <&cpu>;
+ clock-latency = <244144>; /* 8 32k periods */
+ operating-points = <
+ /* kHz uV */
+ 1008000 1450000
+ 960000 1400000
+ 912000 1400000
+ 864000 1300000
+ 720000 1200000
+ 528000 1100000
+ 312000 1000000
+ 144000 900000
+ >;
+ #cooling-cells = <2>;
+ cooling-min-level = <0>;
+ cooling-max-level = <7>;
};
cpu at 1 {
--
2.1.4
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