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authorDave Gerlach <d-gerlach@ti.com>2014-05-05 23:58:28 +0400
committerTony Lindgren <tony@atomide.com>2014-05-06 21:22:51 +0400
commitb2873bfa7b5d5c3e6ab3e318d910c7dd707706cb (patch)
treec36c67620a0d8e473073a374e994621202413847 /arch/arm/boot/dts/am437x-gp-evm.dts
parent0ebc1e2519b752ebac52b26793859ebc570ebc8f (diff)
downloadlinux-b2873bfa7b5d5c3e6ab3e318d910c7dd707706cb.tar.xz
ARM: dts: am437x-gp-evm: Add vtt_fixed regulator
The VTT regulator for DDR3 termination on the am437x-gp-evm is controlled by a gpio. It is configured by the bootloader so here we define an always-on, fixed voltage regulator to hold the gpio. Signed-off-by: Dave Gerlach <d-gerlach@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/dts/am437x-gp-evm.dts')
-rw-r--r--arch/arm/boot/dts/am437x-gp-evm.dts11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index c0cc5251fd47..2e0c636a7e72 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -27,6 +27,17 @@
enable-active-high;
};
+ vtt_fixed: fixedregulator-vtt {
+ compatible = "regulator-fixed";
+ regulator-name = "vtt_fixed";
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-always-on;
+ regulator-boot-on;
+ enable-active-high;
+ gpio = <&gpio5 7 GPIO_ACTIVE_HIGH>;
+ };
+
backlight {
compatible = "pwm-backlight";
pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>;