diff mbox

[2/2] ARM: dts: rockchip: change the correct voltage range for rk3288 evb board

Message ID 1449054741-25354-2-git-send-email-wxt@rock-chips.com (mailing list archive)
State New, archived
Headers show

Commit Message

Caesar Wang Dec. 2, 2015, 11:12 a.m. UTC
In general, the logic voltage is affected by ddr frequency factors.
We should fix the correct voltage range since assuemd that we have the
ddr frequency driver in mainline.

AFAIK, the 1.8v voltage is used by the SD3.0 card.

Signed-off-by: Caesar Wang <wxt@rock-chips.com>

---

 arch/arm/boot/dts/rk3288-evb-act8846.dts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/arch/arm/boot/dts/rk3288-evb-act8846.dts b/arch/arm/boot/dts/rk3288-evb-act8846.dts
index 43949a6..2797f32 100644
--- a/arch/arm/boot/dts/rk3288-evb-act8846.dts
+++ b/arch/arm/boot/dts/rk3288-evb-act8846.dts
@@ -119,8 +119,8 @@ 
 
 			vdd_log: REG3 {
 				regulator-name = "VDD_LOG";
-				regulator-min-microvolt = <1000000>;
-				regulator-max-microvolt = <1000000>;
+				regulator-min-microvolt = <700000>;
+				regulator-max-microvolt = <1500000>;
 				regulator-always-on;
 			};
 
@@ -133,7 +133,7 @@ 
 
 			vccio_sd: REG5 {
 				regulator-name = "VCCIO_SD";
-				regulator-min-microvolt = <3300000>;
+				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-always-on;
 			};