ARM: ux500: Provide regulator support for SMSC911x via Device Tree

This patch adds a fixed regulator for use by the SMSC911x Ethernet
chip driver into the db8500 Device Tree. It also references other
regulators required by the same device.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

2 files changed, 14 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/snowball.dts b/arch/arm/boot/dts/snowball.dts
index 81ff557177a7..d6c05ea9e518 100644
--- a/arch/arm/boot/dts/snowball.dts
+++ b/arch/arm/boot/dts/snowball.dts
@@ -20,6 +20,16 @@
                 reg = <0x00000000 0x20000000>;
         };
 
+        en_3v3_reg: en_3v3 {
+                compatible = "regulator-fixed";
+                regulator-name = "en-3v3-fixed-supply";
+                regulator-min-microvolt = <3300000>;
+                regulator-max-microvolt = <3300000>;
+                gpios = <&gpio0 26  0x4>; // 26
+                startup-delay-us = <5000>;
+                enable-active-high;
+        };
+
         gpio_keys {
                 compatible = "gpio-keys";
                 #address-cells = <1>;
@@ -79,6 +89,9 @@
                                 reg = <0 0x10000>;
                                 interrupts = <12 0x1>;
                                 interrupt-parent = <&gpio4>;
+                                vdd33a-supply = <&en_3v3_reg>;
+                                vddvario-supply = <&db8500_vape_reg>;
+
 
                                 reg-shift = <1>;
                                 reg-io-width = <2>;
diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig
index 7e84f453e8a6..2d4f661d1cf6 100644
--- a/arch/arm/configs/u8500_defconfig
+++ b/arch/arm/configs/u8500_defconfig
@@ -75,6 +75,7 @@ CONFIG_AB5500_CORE=y
 CONFIG_AB8500_CORE=y
 CONFIG_REGULATOR=y
 CONFIG_REGULATOR_AB8500=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
 # CONFIG_HID_SUPPORT is not set
 CONFIG_USB_GADGET=y
 CONFIG_AB8500_USB=y