diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts index c634f87e230e110422f246e9228a6a26cbbcb6cb..91eee97371ea359b80be3d14895738082f013904 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts @@ -13,6 +13,12 @@ model = "TI AM335x BeagleBone"; compatible = "ti,am335x-bone", "ti,am33xx"; + cpus { + cpu@0 { + cpu0-supply = <&dcdc2_reg>; + }; + }; + memory { device_type = "memory"; reg = <0x80000000 0x10000000>; /* 256 MB */ diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index 185d6325a458856768dde864a8c6f9921d9fd88f..4707cda9e4fea3d22d98ff282d16b77599a0e5c1 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -13,6 +13,12 @@ model = "TI AM335x EVM"; compatible = "ti,am335x-evm", "ti,am33xx"; + cpus { + cpu@0 { + cpu0-supply = <&vdd1_reg>; + }; + }; + memory { device_type = "memory"; reg = <0x80000000 0x10000000>; /* 256 MB */ diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index bb31bff0199830e989ef39259a89b20b4eb5b4a5..b4e3e4793b95f4f2b9dc30b8e574fd9f799e5a04 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -25,6 +25,21 @@ cpus { cpu@0 { compatible = "arm,cortex-a8"; + + /* + * 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 */ + clock-latency = <300000>; /* From omap-cpufreq driver */ }; };