From: Caesar Wang Date: Wed, 2 Dec 2015 11:12:20 +0000 (+0800) Subject: UPSTREAM: arm64: dts: rockchip: correct voltage range for rk3368-evb-act8846 board X-Git-Tag: firefly_0821_release~524 X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=70026d18840b452ef623aa27ec68ab141564a9b1;p=firefly-linux-kernel-4.4.55.git UPSTREAM: 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. Change-Id: Id0ae87c7ec6d3d757fdde0b85caf1f535d200222 Signed-off-by: Caesar Wang Signed-off-by: Heiko Stuebner (cherry picked from commit 87ac9de3b44fd6dc8d95a59e67b086c3e57285f8) --- diff --git a/arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts b/arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts index eed6d3c775ce..8a5275f0539b 100644 --- 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; };