The VTT regulator for DDR3 termination on the am335x-evmsk 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@xxxxxx>
---
arch/arm/boot/dts/am335x-evmsk.dts | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index ab23885..d6b8acb 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -57,6 +57,17 @@
enable-active-high;
};
+ vtt_fixed: fixedregulator@3 {
+ compatible = "regulator-fixed";
+ regulator-name = "vtt";
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ gpio = <&gpio0 7 GPIO_ACTIVE_HIGH>;
+ regulator-always-on;
+ regulator-boot-on;
+ enable-active-high;
+ };
+
leds {
pinctrl-names = "default";
pinctrl-0 = <&user_leds_s0>;
--
1.9.0
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