linux-kernel - [PATCH v2 18/19] ARM: dts: Expand the voltage range of buck1/3 regulator for exynos4412-odroidu3

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Date:	Wed, 09 Dec 2015 13:08:10 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	myungjoo.ham@...sung.com, k.kozlowski@...sung.com, kgene@...nel.org
Cc:	kyungmin.park@...sung.com, robh+dt@...nel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, linux@....linux.org.uk,
	tjakobi@...h.uni-bielefeld.de, linux.amoon@...il.com,
	cw00.choi@...sung.com, linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: [PATCH v2 18/19] ARM: dts: Expand the voltage range of buck1/3
 regulator for exynos4412-odroidu3

This patch expands the voltage range of buck1/3 regulator due to as following:
- MIF (Memory Interface) bus frequency needs the 90000uV ~ 1050000uV V.
- INT (Internal) bus frequency needs 90000uV ~ 1000000uV.

Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
---
 arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
index 90800a6da14b..171dea1e3e4a 100644
--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
+++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
@@ -359,8 +359,8 @@
 
 			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;
 			};
@@ -375,7 +375,7 @@
 
 			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;
-- 
1.9.1

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