linux-kernel - [PATCH 13/32] ARM: dts: omap3-gta04: add warning comment to vaux2 regulator

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Date:   Wed, 25 Jul 2018 08:58:45 +0200
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     Marek Belisko <marek@...delico.com>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, letux-kernel@...nphoenux.org,
        "H. Nikolaus Schaller" <hns@...delico.com>
Subject: [PATCH 13/32] ARM: dts: omap3-gta04: add warning comment to vaux2 regulator

vaux2 should remain always on since a higher potential at vio
could potentially damage the itg3200 sensor.

Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
---
 arch/arm/boot/dts/omap3-gta04.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
index 813d93c4c0d2..f6166b37405d 100644
--- a/arch/arm/boot/dts/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/omap3-gta04.dtsi
@@ -553,7 +553,7 @@
 &vaux2 {
 	regulator-min-microvolt = <2800000>;
 	regulator-max-microvolt = <2800000>;
-	regulator-always-on;
+	regulator-always-on;	/* we should never switch off while vio is on! */
 };
 
 /* camera */
-- 
2.12.2