ARM: vexpress: Add fixed regulator for SMSC

SMSC driver requires "vdd33a" and "vddvario" regulator supplies now.

Add fixed regulator describing 3V3 power line (in both motherboard's
Device Trees and the non-DT code) and force fixed regulator config
option if regulators framework is enabled.

Signed-off-by: Pawel Moll <pawel.moll@arm.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/vexpress-v2m.dtsi b/arch/arm/boot/dts/vexpress-v2m.dtsi
index 47ee30791f44..dba53fd026bb 100644
--- a/arch/arm/boot/dts/vexpress-v2m.dtsi
+++ b/arch/arm/boot/dts/vexpress-v2m.dtsi
@@ -54,6 +54,8 @@
                         reg-io-width = <4>;
                         smsc,irq-active-high;
                         smsc,irq-push-pull;
+                        vdd33a-supply = <&v2m_fixed_3v3>;
+                        vddvario-supply = <&v2m_fixed_3v3>;
                 };
 
                 usb@3,03000000 {
@@ -197,5 +199,13 @@
                                 interrupts = <14>;
                         };
                 };
+
+                v2m_fixed_3v3: fixedregulator@0 {
+                        compatible = "regulator-fixed";
+                        regulator-name = "3V3";
+                        regulator-min-microvolt = <3300000>;
+                        regulator-max-microvolt = <3300000>;
+                        regulator-always-on;
+                };
         };
 };