Add an operating-points-v2 table with all OPPs available for all silicon
revisions along with necessary data for use by ti-cpufreq to selectively
enable the appropriate OPPs at runtime.
Information from AM437x Data Manual, SPRS851B, Revised April 2015,
Table 5-2.
Signed-off-by: Dave Gerlach <d-gerlach@xxxxxx>
---
arch/arm/boot/dts/am4372.dtsi | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index 12fcde4d4d2e..8bf2db276128 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -44,10 +44,49 @@
clocks = <&dpll_mpu_ck>;
clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
+ ti,syscon-efuse = <&scm_conf 0x610 0x3f 0>;
+ ti,syscon-rev = <&scm_conf 0x600>;
+
clock-latency = <300000>; /* From omap-cpufreq driver */
};
};
+ cpu0_opp_table: opp_table0 {
+ compatible = "operating-points-v2";
+
+ opp50@300000000 {
+ opp-hz = /bits/ 64 <300000000>;
+ opp-microvolt = <950000 931000 969000>;
+ opp-supported-hw = <0xFF 0x01>;
+ opp-suspend;
+ };
+
+ opp100@600000000 {
+ opp-hz = /bits/ 64 <600000000>;
+ opp-microvolt = <1100000 1078000 1122000>;
+ opp-supported-hw = <0xFF 0x04>;
+ };
+
+ opp120@720000000 {
+ opp-hz = /bits/ 64 <720000000>;
+ opp-microvolt = <1200000 1176000 1224000>;
+ opp-supported-hw = <0xFF 0x08>;
+ };
+
+ oppturbo@800000000 {
+ opp-hz = /bits/ 64 <800000000>;
+ opp-microvolt = <1260000 1234800 1285200>;
+ opp-supported-hw = <0xFF 0x10>;
+ };
+
+ oppnitro@1000000000 {
+ opp-hz = /bits/ 64 <1000000000>;
+ opp-microvolt = <1325000 1298500 1351500>;
+ opp-supported-hw = <0xFF 0x20>;
+ };
+ };
+
gic: interrupt-controller@48241000 {
compatible = "arm,cortex-a9-gic";
interrupt-controller;
--
2.7.3
--
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