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authorHeiko Stuebner <heiko@sntech.de>2014-09-13 00:34:29 +0200
committerHeiko Stuebner <heiko@sntech.de>2014-10-20 11:52:24 +0200
commitbe8a77c54815b311485a348547ec80803ee9415b (patch)
tree772c123f75d053a75e81f35fe4c87b3b963cfe0d
parentf114040e3ea6e07372334ade75d1ee0775c355e1 (diff)
downloadblackbird-obmc-linux-be8a77c54815b311485a348547ec80803ee9415b.tar.gz
blackbird-obmc-linux-be8a77c54815b311485a348547ec80803ee9415b.zip
ARM: dts: rockchip: add operating points and armclk references
Add basic OPP entries for current supported Rockchip SoCs. The operating points are currently very conservative, so individual boards may opt to redefine them. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
-rw-r--r--arch/arm/boot/dts/rk3066a.dtsi12
-rw-r--r--arch/arm/boot/dts/rk3188.dtsi15
-rw-r--r--arch/arm/boot/dts/rk3288.dtsi19
3 files changed, 43 insertions, 3 deletions
diff --git a/arch/arm/boot/dts/rk3066a.dtsi b/arch/arm/boot/dts/rk3066a.dtsi
index ad9c2db59670..8b11fbd58071 100644
--- a/arch/arm/boot/dts/rk3066a.dtsi
+++ b/arch/arm/boot/dts/rk3066a.dtsi
@@ -26,11 +26,21 @@
#size-cells = <0>;
enable-method = "rockchip,rk3066-smp";
- cpu@0 {
+ cpu0: cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a9";
next-level-cache = <&L2>;
reg = <0x0>;
+ operating-points = <
+ /* kHz uV */
+ 1008000 1075000
+ 816000 1025000
+ 600000 1025000
+ 504000 1000000
+ 312000 975000
+ >;
+ clock-latency = <40000>;
+ clocks = <&cru ARMCLK>;
};
cpu@1 {
device_type = "cpu";
diff --git a/arch/arm/boot/dts/rk3188.dtsi b/arch/arm/boot/dts/rk3188.dtsi
index ddaada788b45..ae4f04984d86 100644
--- a/arch/arm/boot/dts/rk3188.dtsi
+++ b/arch/arm/boot/dts/rk3188.dtsi
@@ -26,11 +26,24 @@
#size-cells = <0>;
enable-method = "rockchip,rk3066-smp";
- cpu@0 {
+ cpu0: cpu@0 {
device_type = "cpu";
compatible = "arm,cortex-a9";
next-level-cache = <&L2>;
reg = <0x0>;
+ operating-points = <
+ /* kHz uV */
+ 1608000 1350000
+ 1416000 1250000
+ 1200000 1150000
+ 1008000 1075000
+ 816000 975000
+ 600000 950000
+ 504000 925000
+ 312000 875000
+ >;
+ clock-latency = <40000>;
+ clocks = <&cru ARMCLK>;
};
cpu@1 {
device_type = "cpu";
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 874e66dbb93b..cb18bb457568 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -47,10 +47,27 @@
#address-cells = <1>;
#size-cells = <0>;
- cpu@500 {
+ cpu0: cpu@500 {
device_type = "cpu";
compatible = "arm,cortex-a12";
reg = <0x500>;
+ operating-points = <
+ /* KHz uV */
+ 1608000 1350000
+ 1512000 1300000
+ 1416000 1200000
+ 1200000 1100000
+ 1008000 1050000
+ 816000 1000000
+ 696000 950000
+ 600000 900000
+ 408000 900000
+ 312000 900000
+ 216000 900000
+ 126000 900000
+ >;
+ clock-latency = <40000>;
+ clocks = <&cru ARMCLK>;
};
cpu@501 {
device_type = "cpu";
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