diff options
| author | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-11-06 23:02:52 +0100 |
|---|---|---|
| committer | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-11-07 09:16:57 +0100 |
| commit | f2a95131685e48bdc05c0abded74ae09701c29d7 (patch) | |
| tree | 4da501d6b046b4ef5d737dea07ef9f029721612f /arch/arm/dts/rk3399-puma.dtsi | |
| parent | df1e6212f957627731daf9844efe960ca8a549df (diff) | |
| download | u-boot-f2a95131685e48bdc05c0abded74ae09701c29d7.tar.gz u-boot-f2a95131685e48bdc05c0abded74ae09701c29d7.tar.xz u-boot-f2a95131685e48bdc05c0abded74ae09701c29d7.zip | |
rockchip: dts: rk3399-puma: update usbhub_enable regulator
To correctly model the usbhub_enable regulator for U-Boot, we need
to change the settings to:
* the GPIO polarity is GPIO_ACTIVE_LOW
* should be set to inactive (enable-active-low) when boot-on settings
are applied
* it can be changed at runtime (i.e. remove the always-on)
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Tested-by: Klaus Goger <klaus.goger@theobroma-systems.com>
Diffstat (limited to 'arch/arm/dts/rk3399-puma.dtsi')
| -rw-r--r-- | arch/arm/dts/rk3399-puma.dtsi | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/arm/dts/rk3399-puma.dtsi b/arch/arm/dts/rk3399-puma.dtsi index c4da26956a..c517fd3627 100644 --- a/arch/arm/dts/rk3399-puma.dtsi +++ b/arch/arm/dts/rk3399-puma.dtsi @@ -94,8 +94,7 @@ compatible = "regulator-fixed"; regulator-name = "usbhub_enable"; enable-active-low; - gpio = <&gpio4 3 GPIO_ACTIVE_HIGH>; - regulator-always-on; + gpio = <&gpio4 3 GPIO_ACTIVE_LOW>; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; |