UPSTREAM: arm64: dts: rockchip: correct voltage range for rk3368-evb-act8846 board
authorCaesar Wang <wxt@rock-chips.com>
Wed, 2 Dec 2015 11:12:20 +0000 (19:12 +0800)
committerHuang, Tao <huangtao@rock-chips.com>
Tue, 28 Feb 2017 09:43:15 +0000 (17:43 +0800)
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.

Change-Id: Id0ae87c7ec6d3d757fdde0b85caf1f535d200222
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
(cherry picked from commit 87ac9de3b44fd6dc8d95a59e67b086c3e57285f8)

arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts

index eed6d3c775ce6bc00480fffef51b7d6487ee800d..8a5275f0539b676f44aeaa9722b1b23e396d02e6 100644 (file)
 
                        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;
                        };
 
 
                        vccio_sd: REG5 {
                                regulator-name = "VCCIO_SD";
-                               regulator-min-microvolt = <3300000>;
+                               regulator-min-microvolt = <1800000>;
                                regulator-max-microvolt = <3300000>;
                                regulator-always-on;
                        };