Operating points need to be present in each cpu core using it, not only
the first one. With operating-points-v1 this would require duplicating
this table into each cpu node.
With opp-v2 we can share the same table on all nodes.
Signed-off-by: Heiko Stuebner <heiko at sntech.de>
---
changes in v2:
- adapt opp node names as suggested by Viresh
arch/arm/boot/dts/rk3288-veyron.dtsi | 36 +++++++-------
arch/arm/boot/dts/rk3288.dtsi | 70 ++++++++++++++++++++++------
2 files changed, 75 insertions(+), 31 deletions(-)
diff --git a/arch/arm/boot/dts/rk3288-veyron.dtsi b/arch/arm/boot/dts/rk3288-veyron.dtsi
index 823c7ed47fcf..2075120cfc4d 100644
--- a/arch/arm/boot/dts/rk3288-veyron.dtsi
+++ b/arch/arm/boot/dts/rk3288-veyron.dtsi
@@ -91,22 +91,26 @@
&cpu0 {
cpu0-supply = <&vdd_cpu>;
- operating-points = <
- /* KHz uV */
- 1800000 1400000
- 1704000 1350000
- 1608000 1300000
- 1512000 1250000
- 1416000 1200000
- 1200000 1100000
- 1008000 1050000
- 816000 1000000
- 696000 950000
- 600000 900000
- 408000 900000
- 216000 900000
- 126000 900000
- >;
+};
+
+/* rk3288-c used in Veyron Chrome-devices has slightly changed OPPs */
+&cpu_opp_table {
+ /delete-node/ opp-312000000;
+
+ opp-1512000000 {
+ opp-microvolt = <1250000>;
+ };
+ opp-1608000000 {
+ opp-microvolt = <1300000>;
+ };
+ opp-1704000000 {
+ opp-hz = /bits/ 64 <1704000000>;
+ opp-microvolt = <1350000>;
+ };
+ opp-1800000000 {
+ opp-hz = /bits/ 64 <1800000000>;
+ opp-microvolt = <1400000>;
+ };
};
&emmc {
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 2a060c2dc383..7094f95b967f 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -60,21 +60,7 @@
compatible = "arm,cortex-a12";
reg = <0x500>;
resets = <&cru SRST_CORE0>;
- 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
- >;
+ operating-points-v2 = <&cpu_opp_table>;
#cooling-cells = <2>; /* min followed by max */
clock-latency = <40000>;
clocks = <&cru ARMCLK>;
@@ -99,6 +85,60 @@
};
};
+ cpu_opp_table: cpu-opp-table {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-126000000 {
+ opp-hz = /bits/ 64 <126000000>;
+ opp-microvolt = <900000>;
+ };
+ opp-216000000 {
+ opp-hz = /bits/ 64 <216000000>;
+ opp-microvolt = <900000>;
+ };
+ opp-312000000 {
+ opp-hz = /bits/ 64 <312000000>;
+ opp-microvolt = <900000>;
+ };
+ opp-408000000 {
+ opp-hz = /bits/ 64 <408000000>;
+ opp-microvolt = <900000>;
+ };
+ opp-600000000 {
+ opp-hz = /bits/ 64 <600000000>;
+ opp-microvolt = <900000>;
+ };
+ opp-696000000 {
+ opp-hz = /bits/ 64 <696000000>;
+ opp-microvolt = <950000>;
+ };
+ opp-816000000 {
+ opp-hz = /bits/ 64 <816000000>;
+ opp-microvolt = <1000000>;
+ };
+ opp-1008000000 {
+ opp-hz = /bits/ 64 <1008000000>;
+ opp-microvolt = <1050000>;
+ };
+ opp-1200000000 {
+ opp-hz = /bits/ 64 <1200000000>;
+ opp-microvolt = <1100000>;
+ };
+ opp-1416000000 {
+ opp-hz = /bits/ 64 <1416000000>;
+ opp-microvolt = <1200000>;
+ };
+ opp-1512000000 {
+ opp-hz = /bits/ 64 <1512000000>;
+ opp-microvolt = <1300000>;
+ };
+ opp-1608000000 {
+ opp-hz = /bits/ 64 <1608000000>;
+ opp-microvolt = <1350000>;
+ };
+ };
+
amba {
compatible = "simple-bus";
#address-cells = <2>;
--
2.17.0
