arm64: dts: rockchip: correct voltage range for rk3368-evb-act8846 board

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>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts b/arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts
index eed6d3c775ce6bc00480fffef51b7d6487ee800d..8a5275f0539b676f44aeaa9722b1b23e396d02e6 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts
@@ -104,8 +104,8 @@
 
                        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;
                        };
 
@@ -118,7 +118,7 @@
 
                        vccio_sd: REG5 {
                                regulator-name = "VCCIO_SD";
-                               regulator-min-microvolt = <3300000>;
+                               regulator-min-microvolt = <1800000>;
                                regulator-max-microvolt = <3300000>;
                                regulator-always-on;
                        };