Eric Lee / smarc-uboot

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Commit a950edcdb7a52362287783386dc5f6404d1a9dd8

Authored by Clark Wang
Committed by Ye Li
1 parent f927599650
Exists in smarc_8mq_lf_v2020.04 and in 4 other branches pitx_8mp_lf_v2020.04, smarc-8m-android-11.0.0_2.0.0, smarc-8mp-android-11.0.0_2.0.0, smarc_8mp_lf_v2020.04

MLK-24941 arm: dts: set sensor regulator always on for imx6q/qp/dl 

This is a workaround.
Always open the regulator of the sensor to ensure that the
pull-up of i2c3 is 3.3v. Otherwise, there will be a 1.8v high level
pull-up before enable sensor regulator in kernel boot stage.

Reviewed-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
(cherry picked from commit 6db6c8bf1a60baad7032f92822a0030b077d3602)

Showing 1 changed file with 1 additions and 0 deletions Side-by-side Diff

arch/arm/dts/imx6qdl-sabresd.dtsi
Diff comments   View file @ a950edc
... ... @@ -104,6 +104,7 @@
104 104 regulator-max-microvolt = <3300000>;
105 105 gpio = <&gpio2 31 0>;
106 106 startup-delay-us = <500>;
  107 + regulator-always-on;
107 108 enable-active-high;
108 109 };
109 110