[PATCH 4.19 040/243] ARM: dts: exynos: Fix LDO13 min values on Odroid XU3/XU4/HC1

Greg Kroah-Hartman
2019-12-11T15:17:22Z

From: Anand Moon <linux.amoon@gmail.com>

[ Upstream commit 8fe325fa9d065aa54db4914fdaccab2169fd67a8 ]

>From Odroid XU3/XU4/HC1 schematics the LDO13 regulator for SD2, can be
set on 1.8V or 2.8V so the minimal value should be fixed to 1.8V. This
is necessary to support UHS-I tuning (otherwise card won't be detected
during boot).

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
index 27214e6ebe4f4..d476ba0f07b6b 100644
--- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
+++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
@@ -224,7 +224,7 @@

ldo13_reg: LDO13 {
regulator-name = "vddq_mmc2";
- regulator-min-microvolt = <2800000>;
+ regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <2800000>;
};

--
2.20.1