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[v4,19/20] ARM: dts: Expand the voltage range of buck1/3 regulator for exynos4412-odroidu3

Message ID 1450075104-13705-20-git-send-email-cw00.choi@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Chanwoo Choi Dec. 14, 2015, 6:38 a.m. UTC 
This patch expands the voltage range of buck1/3 regulator due to as following:
- MIF (Memory Interface) bus frequency needs the range of '900 - 1050 mV'.
- INT (Internal) bus frequency needs the range of '900 - 1000 mV'.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[linux.amoon: Tested on Odroid U3]
Tested-by: Anand Moon <linux.amoon@gmail.com>
---
 arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
index cda1ec86dfba..7bd65026761e 100644
--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
+++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
@@ -356,8 +356,8 @@ 
 
 			buck1_reg: BUCK1 {
 				regulator-name = "vdd_mif";
-				regulator-min-microvolt = <1000000>;
-				regulator-max-microvolt = <1000000>;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <1050000>;
 				regulator-always-on;
 				regulator-boot-on;
 			};
@@ -372,7 +372,7 @@ 
 
 			buck3_reg: BUCK3 {
 				regulator-name = "vdd_int";
-				regulator-min-microvolt = <1000000>;
+				regulator-min-microvolt = <900000>;
 				regulator-max-microvolt = <1000000>;
 				regulator-always-on;
 				regulator-boot-on;