ARM: ux500: Add Device Tree nodes for AB8500 External regulators

The AB8500 has 3 external regulators which are used to control outside
voltage sources. Some of the core AB8500 use these external regulators
as a supply, so they must be obtainable via Device Tree.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/dbx5x0.dtsi b/arch/arm/boot/dts/dbx5x0.dtsi
index aa2246988e72..77abea56c112 100644
--- a/arch/arm/boot/dts/dbx5x0.dtsi
+++ b/arch/arm/boot/dts/dbx5x0.dtsi
@@ -457,6 +457,33 @@
                                         stericsson,earpeice-cmv = <950>; /* Units in mV. */
                                 };
 
+                                ext_regulators: ab8500-ext-regulators {
+                                        compatible = "stericsson,ab8500-ext-regulator";
+
+                                        ab8500_ext1_reg: ab8500_ext1 {
+                                                regulator-compatible = "ab8500_ext1";
+                                                regulator-min-microvolt = <1800000>;
+                                                regulator-max-microvolt = <1800000>;
+                                                regulator-boot-on;
+                                                regulator-always-on;
+                                        };
+
+                                        ab8500_ext2_reg: ab8500_ext2 {
+                                                regulator-compatible = "ab8500_ext2";
+                                                regulator-min-microvolt = <1360000>;
+                                                regulator-max-microvolt = <1360000>;
+                                                regulator-boot-on;
+                                                regulator-always-on;
+                                        };
+
+                                        ab8500_ext3_reg: ab8500_ext3 {
+                                                regulator-compatible = "ab8500_ext3";
+                                                regulator-min-microvolt = <3400000>;
+                                                regulator-max-microvolt = <3400000>;
+                                                regulator-boot-on;
+                                        };
+                                };
+
                                 ab8500-regulators {
                                         compatible = "stericsson,ab8500-regulator";