Merge branch 'am335x-cpufreq-regression' into omap-for-v4.9/dt-v2

4 files changed, 18 insertions, 108 deletions

diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts
index ca721670bd91..55c0e954b146 100644
--- a/arch/arm/boot/dts/am335x-boneblack.dts
+++ b/arch/arm/boot/dts/am335x-boneblack.dts
@@ -33,17 +33,6 @@
 	status = "okay";
 };
 
-&cpu0_opp_table {
-	/*
-	 * All PG 2.0 silicon may not support 1GHz but some of the early
-	 * BeagleBone Blacks have PG 2.0 silicon which is guaranteed
-	 * to support 1GHz OPP so enable it for PG 2.0 on this board.
-	 */
-	oppnitro@1000000000 {
-		opp-supported-hw = <0x06 0x0100>;
-	};
-};
-
 &am33xx_pinmux {
 	nxp_hdmi_bonelt_pins: nxp_hdmi_bonelt_pins {
 		pinctrl-single,pins = <
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index eeef6bc8e410..194d884c9de1 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -45,9 +45,19 @@
 			device_type = "cpu";
 			reg = <0>;
 
-			operating-points-v2 = <&cpu0_opp_table>;
-			ti,syscon-efuse = <&scm_conf 0x7fc 0x1fff 0>;
-			ti,syscon-rev = <&scm_conf 0x600>;
+			/*
+			 * To consider voltage drop between PMIC and SoC,
+			 * tolerance value is reduced to 2% from 4% and
+			 * voltage value is increased as a precaution.
+			 */
+			operating-points = <
+				/* kHz    uV */
+				720000  1285000
+				600000  1225000
+				500000  1125000
+				275000  1125000
+			>;
+			voltage-tolerance = <2>; /* 2 percentage */
 
 			clocks = <&dpll_mpu_ck>;
 			clock-names = "cpu";
@@ -56,78 +66,6 @@
 		};
 	};
 
-	cpu0_opp_table: opp_table0 {
-		compatible = "operating-points-v2";
-
-		/*
-		 * The three following nodes are marked with opp-suspend
-		 * because the can not be enabled simultaneously on a
-		 * single SoC.
-		 */
-		opp50@300000000 {
-			opp-hz = /bits/ 64 <300000000>;
-			opp-microvolt = <950000 931000 969000>;
-			opp-supported-hw = <0x06 0x0010>;
-			opp-suspend;
-		};
-
-		opp100@275000000 {
-			opp-hz = /bits/ 64 <275000000>;
-			opp-microvolt = <1100000 1078000 1122000>;
-			opp-supported-hw = <0x01 0x00FF>;
-			opp-suspend;
-		};
-
-		opp100@300000000 {
-			opp-hz = /bits/ 64 <300000000>;
-			opp-microvolt = <1100000 1078000 1122000>;
-			opp-supported-hw = <0x06 0x0020>;
-			opp-suspend;
-		};
-
-		opp100@500000000 {
-			opp-hz = /bits/ 64 <500000000>;
-			opp-microvolt = <1100000 1078000 1122000>;
-			opp-supported-hw = <0x01 0xFFFF>;
-		};
-
-		opp100@600000000 {
-			opp-hz = /bits/ 64 <600000000>;
-			opp-microvolt = <1100000 1078000 1122000>;
-			opp-supported-hw = <0x06 0x0040>;
-		};
-
-		opp120@600000000 {
-			opp-hz = /bits/ 64 <600000000>;
-			opp-microvolt = <1200000 1176000 1224000>;
-			opp-supported-hw = <0x01 0xFFFF>;
-		};
-
-		opp120@720000000 {
-			opp-hz = /bits/ 64 <720000000>;
-			opp-microvolt = <1200000 1176000 1224000>;
-			opp-supported-hw = <0x06 0x0080>;
-		};
-
-		oppturbo@720000000 {
-			opp-hz = /bits/ 64 <720000000>;
-			opp-microvolt = <1260000 1234800 1285200>;
-			opp-supported-hw = <0x01 0xFFFF>;
-		};
-
-		oppturbo@800000000 {
-			opp-hz = /bits/ 64 <800000000>;
-			opp-microvolt = <1260000 1234800 1285200>;
-			opp-supported-hw = <0x06 0x0100>;
-		};
-
-		oppnitro@1000000000 {
-			opp-hz = /bits/ 64 <1000000000>;
-			opp-microvolt = <1325000 1298500 1351500>;
-			opp-supported-hw = <0x04 0x0200>;
-		};
-	};
-
 	pmu {
 		compatible = "arm,cortex-a8-pmu";
 		interrupts = <3>;
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 147df90d2126..d4fcd68f6349 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -80,9 +80,11 @@
 			compatible = "arm,cortex-a15";
 			reg = <0>;
 
-			operating-points-v2 = <&cpu0_opp_table>;
-			ti,syscon-efuse = <&scm_wkup 0x20c 0xf80000 19>;
-			ti,syscon-rev = <&scm_wkup 0x204>;
+			operating-points = <
+				/* kHz    uV */
+				1000000	1060000
+				1176000	1160000
+				>;
 
 			clocks = <&dpll_mpu_ck>;
 			clock-names = "cpu";
@@ -96,24 +98,6 @@
 		};
 	};
 
-	cpu0_opp_table: opp_table0 {
-		compatible = "operating-points-v2";
-		opp-shared;
-
-		opp_nom@1000000000 {
-			opp-hz = /bits/ 64 <1000000000>;
-			opp-microvolt = <1060000 850000 1150000>;
-			opp-supported-hw = <0xFF 0x01>;
-			opp-suspend;
-		};
-
-		opp_od@1176000000 {
-			opp-hz = /bits/ 64 <1176000000>;
-			opp-microvolt = <1160000 885000 1160000>;
-			opp-supported-hw = <0xFF 0x02>;
-		};
-	};
-
 	/*
 	 * The soc node represents the soc top level view. It is used for IPs
 	 * that are not memory mapped in the MPU view or for the MPU itself.
diff --git a/arch/arm/boot/dts/dra74x.dtsi b/arch/arm/boot/dts/dra74x.dtsi
index 8987b3e180a1..0a78347e6615 100644
--- a/arch/arm/boot/dts/dra74x.dtsi
+++ b/arch/arm/boot/dts/dra74x.dtsi
@@ -17,7 +17,6 @@
 			device_type = "cpu";
 			compatible = "arm,cortex-a15";
 			reg = <1>;
-			operating-points-v2 = <&cpu0_opp_table>;
 		};
 	};