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>
diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi
index 142c72a..d8a827b 100644
--- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi
+++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi
@@ -55,6 +55,8 @@
reg-io-width = <4>;
smsc,irq-active-high;
smsc,irq-push-pull;
+ vdd33a-supply = <&v2m_fixed_3v3>;
+ vddvario-supply = <&v2m_fixed_3v3>;
};
usb@2,03000000 {
@@ -198,5 +200,13 @@
interrupts = <14>;
};
};
+
+ v2m_fixed_3v3: fixedregulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
};
};