linux-kernel - [PATCH 3/3] ARM: dts: Fix frequency scaling on Gumstix Pepper.

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Date:	Thu,  4 Jun 2015 11:08:19 -0700
From:	Arun Bharadwaj <arun@...stix.com>
To:	Benoît Cousson <bcousson@...libre.com>,
	Tony Lindgren <tony@...mide.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] ARM: dts: Fix frequency scaling on Gumstix Pepper.

The device tree for Gumstix Pepper has DCDC2 and
DCDC3 correctly labelled but the upper limit values
are wrong. The confusion is due to the hardware
quirk where the DCDC2 and DCDC3 wires are flipped
in Pepper.

Signed-off-by: Arun Bharadwaj <arun@...stix.com>
---
 arch/arm/boot/dts/am335x-pepper.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/am335x-pepper.dts b/arch/arm/boot/dts/am335x-pepper.dts
index 99f855d..37b95f6 100644
--- a/arch/arm/boot/dts/am335x-pepper.dts
+++ b/arch/arm/boot/dts/am335x-pepper.dts
@@ -448,7 +448,7 @@
 			/* VDD_CORE voltage limits 0.95V - 1.26V with +/-4% tolerance */
 			regulator-name = "vdd_core";
 			regulator-min-microvolt = <925000>;
-			regulator-max-microvolt = <1325000>;
+			regulator-max-microvolt = <1150000>;
 			regulator-boot-on;
 			regulator-always-on;
 		};
@@ -457,7 +457,7 @@
 			/* VDD_MPU voltage limits 0.95V - 1.1V with +/-4% tolerance */
 			regulator-name = "vdd_mpu";
 			regulator-min-microvolt = <925000>;
-			regulator-max-microvolt = <1150000>;
+			regulator-max-microvolt = <1325000>;
 			regulator-boot-on;
 			regulator-always-on;
 		};
-- 
2.1.4

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