ARM: dts: am335x-evmsk: Add vtt_fixed regulator

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@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index a460c2e6bfce333f830af9ac61796fe590b8b27c..6f2e529bca25b7089445d317d43e645de61249ce 100644 (file)
--- 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>;