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>

diff --git a/arch/arm/boot/dts/rk3066a.dtsi b/arch/arm/boot/dts/rk3066a.dtsi
index ad9c2db59670659a9142edfbe486459f0eb84f35..8b11fbd58071282f9bcc9eeb4cdcf39fe8939750 100644 (file)
--- 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 ddaada788b4584429840953311cd806a7c2cff19..ae4f04984d86754bf79b4e4139406cf689043740 100644 (file)
--- 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 874e66dbb93be117c5ff7afda004d8151b3603fd..cb18bb457568b3f873d12b5435a29aacbbd38ed6 100644 (file)
--- 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";