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 at rock-chips.com>
---
arch/arm/boot/dts/rk3288-evb-act8846.dts | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
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;
};
--
1.9.1
