From patchwork Sat Jan 25 08:01:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukasz Majewski X-Patchwork-Id: 240083 List-Id: U-Boot discussion From: lukma at denx.de (Lukasz Majewski) Date: Sat, 25 Jan 2020 09:01:40 +0100 Subject: [PATCH v1 5/5] arm: xea: dts: Add 'fec-3v3' regulator properties to prevent accidental disablement In-Reply-To: <20200125080140.1267-1-lukma@denx.de> References: <20200125080140.1267-1-lukma@denx.de> Message-ID: <20200125080140.1267-6-lukma@denx.de> The 'enable-active-high' DTS property configures GPIO so it is active with HIGH state (by default it is low). The 'regulator-boot-on' property indicates that the regulator was enabled in the 'earlier' stage - i.e. bootloader/firmware. In the XEA case the 'fec-3v3' was configured (as a "wrapper" on GPIO0_0) in very early SPL code, so it shouldn't be modified at latter stages. Signed-off-by: Lukasz Majewski --- arch/arm/dts/imx28-xea.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/dts/imx28-xea.dts b/arch/arm/dts/imx28-xea.dts index 5de6774c5a..de049042f8 100644 --- a/arch/arm/dts/imx28-xea.dts +++ b/arch/arm/dts/imx28-xea.dts @@ -38,6 +38,8 @@ regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; gpio = <&gpio0 0 GPIO_ACTIVE_HIGH>; + enable-active-high; + regulator-boot-on; }; };