From mboxrd@z Thu Jan 1 00:00:00 1970
From: Philipp Zabel
Subject: [PATCH v8 5/5] ARM: dts: imx6qdl: Allow disabling the PU regulator, add a enable ramp delay
Date: Tue, 9 Sep 2014 15:05:15 +0200
Message-ID: <1410267915-18126-6-git-send-email-p.zabel@pengutronix.de>
References: <1410267915-18126-1-git-send-email-p.zabel@pengutronix.de>
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To: Shawn Guo
Cc: Ulf Hansson , Tomasz Figa , Rob Herring , Mark Rutland , Geert Uytterhoeven , kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Philipp Zabel
List-Id: devicetree@vger.kernel.org
The PU regulator is enabled during boot, but not necessarily always-on.
It can be disabled by the generic pm domain framework when the PU power
domain is shut down. The ramp delay of 150 us might be a bit conservative,
the value is taken from the Freescale kernel.
Signed-off-by: Philipp Zabel
---
arch/arm/boot/dts/imx6qdl.dtsi | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 0b1384c..d8d3d93 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -579,7 +579,8 @@
regulator-name = "vddpu";
regulator-min-microvolt = <725000>;
regulator-max-microvolt = <1450000>;
- regulator-always-on;
+ regulator-enable-ramp-delay = <150>;
+ regulator-boot-on;
anatop-reg-offset = <0x140>;
anatop-vol-bit-shift = <9>;
anatop-vol-bit-width = <5>;
--
2.1.0
--
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From mboxrd@z Thu Jan 1 00:00:00 1970
From: p.zabel@pengutronix.de (Philipp Zabel)
Date: Tue, 9 Sep 2014 15:05:15 +0200
Subject: [PATCH v8 5/5] ARM: dts: imx6qdl: Allow disabling the PU regulator,
add a enable ramp delay
In-Reply-To: <1410267915-18126-1-git-send-email-p.zabel@pengutronix.de>
References: <1410267915-18126-1-git-send-email-p.zabel@pengutronix.de>
Message-ID: <1410267915-18126-6-git-send-email-p.zabel@pengutronix.de>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org
The PU regulator is enabled during boot, but not necessarily always-on.
It can be disabled by the generic pm domain framework when the PU power
domain is shut down. The ramp delay of 150 us might be a bit conservative,
the value is taken from the Freescale kernel.
Signed-off-by: Philipp Zabel
---
arch/arm/boot/dts/imx6qdl.dtsi | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 0b1384c..d8d3d93 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -579,7 +579,8 @@
regulator-name = "vddpu";
regulator-min-microvolt = <725000>;
regulator-max-microvolt = <1450000>;
- regulator-always-on;
+ regulator-enable-ramp-delay = <150>;
+ regulator-boot-on;
anatop-reg-offset = <0x140>;
anatop-vol-bit-shift = <9>;
anatop-vol-bit-width = <5>;
--
2.1.0