From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: [PATCH 2/2] ARM: dts: exynos: Adjust buck[78] regulators to supported values on Arndale Octa Date: Sat, 29 Jun 2019 13:47:39 +0200 Message-ID: <20190629114739.11702-2-krzk@kernel.org> References: <20190629114739.11702-1-krzk@kernel.org> Return-path: In-Reply-To: <20190629114739.11702-1-krzk@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Kukjin Kim , Krzysztof Kozlowski , Anand Moon , Marek Szyprowski , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: devicetree@vger.kernel.org The datasheet of S2MPS11 PMIC is slightly non-consistent in buck[78] voltage regulators values. 1. The voltage tables for configuring their registers mention range of voltages: 0.750 V to 3.55 V, 2. The constrains in electrical specifications say output voltage range to be different (buck7: 1.2 V to 1.5 V, buck8: 1.8 V to 2.1 V). Adjust the ranges to match the electrical specifications to stay on the safe side. Anyway these regulators stay at default value so this should not have effect. Signed-off-by: Krzysztof Kozlowski --- arch/arm/boot/dts/exynos5420-arndale-octa.dts | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts index ac7f2fa0ba22..592d7b45ecc8 100644 --- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts +++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts @@ -723,15 +723,15 @@ buck7_reg: BUCK7 { regulator-name = "VIN_LLDO_1V4"; - regulator-min-microvolt = <800000>; + regulator-min-microvolt = <1200000>; regulator-max-microvolt = <1500000>; regulator-always-on; }; buck8_reg: BUCK8 { regulator-name = "VIN_MLDO_2V0"; - regulator-min-microvolt = <800000>; - regulator-max-microvolt = <2000000>; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <2100000>; regulator-always-on; }; -- 2.17.1