From: Kever Yang Date: Mon, 11 Nov 2019 00:51:56 +0000 (+0800) Subject: arm64: dts: rockchip: Fix min voltage for rk3399-firefly vdd_log X-Git-Tag: v5.6-rc1~19^2~34^2~24 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=88c5a235e88bef675d75265d066ca7d1b7f1f210;p=thirdparty%2Fkernel%2Flinux.git arm64: dts: rockchip: Fix min voltage for rk3399-firefly vdd_log The min/max value of vdd_log is decide by pwm IO voltage and its resistors, the rk3399-firefly board's pwm regulator circuit is designed for IO voltage at 1.8V, while the board actually use 3.0V for IO, which at last lead to the min-microvolt to '430mV' instead of '800mV'. Signed-off-by: Kever Yang Link: https://lore.kernel.org/r/20191111005158.25070-1-kever.yang@rock-chips.com Signed-off-by: Heiko Stuebner --- diff --git a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts index c706db0ee9ec6..92de83dd4dbca 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts @@ -206,7 +206,7 @@ regulator-name = "vdd_log"; regulator-always-on; regulator-boot-on; - regulator-min-microvolt = <800000>; + regulator-min-microvolt = <430000>; regulator-max-microvolt = <1400000>; vin-supply = <&vcc_sys>; };