diff mbox

[v2,3/3] ARM: dts: exynos: Lower SD card interface voltage to 2.8v on Odroid X/X2/U3

Message ID 1461765620-6833-3-git-send-email-k.kozlowski@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Krzysztof Kozlowski April 27, 2016, 2 p.m. UTC
Odroid X/X2/U3 schematics say that SD card vmmc regulator
(LDO21/TFLASH) operates on 2.8 V. Mainline U-Boot uses that value as
well. 2.8 V is common on Exynos-based boards. Additionally use some
descriptive name for this regulator.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

---

Changes since v1:
1. None
---
 arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Comments

Javier Martinez Canillas April 27, 2016, 9:30 p.m. UTC | #1
Hello 

On 04/27/2016 10:00 AM, Krzysztof Kozlowski wrote:
> Odroid X/X2/U3 schematics say that SD card vmmc regulator
> (LDO21/TFLASH) operates on 2.8 V. Mainline U-Boot uses that value as
> well. 2.8 V is common on Exynos-based boards. Additionally use some
> descriptive name for this regulator.
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> 

Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>

Best regards,
diff mbox

Patch

diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
index 34a5b3daced0..260601d2f72f 100644
--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
+++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
@@ -341,9 +341,9 @@ 
 			};
 
 			ldo21_reg: LDO21 {
-				regulator-name = "LDO21_3.3V";
-				regulator-min-microvolt = <3300000>;
-				regulator-max-microvolt = <3300000>;
+				regulator-name = "TFLASH_2.8V";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
 				regulator-boot-on;
 			};