ARM: dts: update vdd_arm voltage range for exynos4412 based boards

To allow EXYNOS4412 based Odroidx and Origen-quad boards to operate between
200MHz to 1.4Ghz, update the vdd_arm voltage range to operate between these
cpu clock speeds.

Cc: Dongjin Kim <tobetter@gmail.com>
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/arch/arm/boot/dts/exynos4412-odroidx.dts b/arch/arm/boot/dts/exynos4412-odroidx.dts
index 9804fcb..12459b0 100644 (file)
--- a/arch/arm/boot/dts/exynos4412-odroidx.dts
+++ b/arch/arm/boot/dts/exynos4412-odroidx.dts
@@ -251,7 +251,7 @@
                                buck2_reg: BUCK2 {
                                        regulator-name = "vdd_arm";
                                        regulator-min-microvolt = <900000>;
-                                       regulator-max-microvolt = <1300000>;
+                                       regulator-max-microvolt = <1350000>;
                                        regulator-always-on;
                                        regulator-boot-on;
                                };

diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts
index 6bc0539..388f035 100644 (file)
--- a/arch/arm/boot/dts/exynos4412-origen.dts
+++ b/arch/arm/boot/dts/exynos4412-origen.dts
@@ -459,8 +459,8 @@
 
                                buck2_reg: BUCK2 {
                                        regulator-name = "vdd_arm";
-                                       regulator-min-microvolt = <925000>;
-                                       regulator-max-microvolt = <1300000>;
+                                       regulator-min-microvolt = <900000>;
+                                       regulator-max-microvolt = <1350000>;
                                        regulator-always-on;
                                        regulator-boot-on;
                                        op_mode = <1>; /* Normal Mode */