lkml.org 
[lkml]   [2019]   [Oct]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFCv1 1/5] arm64: dts: meson: Add missing 5V_EN gpio signal for VCC5V regulator
From
Date
Hi Anand,

On 07/10/2019 15:16, Anand Moon wrote:
> As per schematics add missing 5V_EN gpio signal to enable
> VCC5V regulator node.
>
> Fixes: c35f6dc5c377 (arm64: dts: meson: Add minimal support for Odroid-N2)
> Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> Cc: Jerome Brunet <jbrunet@baylibre.com>
> Cc: Neil Armstrong <narmstrong@baylibre.com>
> Signed-off-by: Anand Moon <linux.amoon@gmail.com>
> ---
> arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
> index 42f15405750c..a9a661258886 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
> @@ -94,6 +94,9 @@
> regulator-max-microvolt = <5000000>;
> regulator-always-on;
> vin-supply = <&main_12v>;
> + /* U12 NB679GD 5V_EN */
> + gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
> + enable-active-high;

This GPIO is handled by the BL301 SCP firmware, I'm personally against
adding this to the DT since it's out of control of Linux or any OS.

Neil

> };
>
> vcc_1v8: regulator-vcc_1v8 {
>

\
 
 \ /
  Last update: 2019-10-07 16:20    [W:0.103 / U:3.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site