ARM: dts: add bcm590xx pmu support and enable for bcm28155-ap

Add a dtsi to support the BCM590xx PMUs used by the BCM281xx family
of SoCs. Enable regulators for use with the dwc2 and sdhci on
bcm28155-ap.
Signed-off-by: NTim Kryger <tim.kryger@linaro.org>
Signed-off-by: NMatt Porter <mporter@linaro.org>
Reviewed-by: NMarkus Mayer <markus.mayer@linaro.org>

arch/arm/boot/dts/bcm28155-ap.dts

@@ -46,22 +46,32 @@
 
 	i2c@3500d000 {
 		status="okay";
-		clock-frequency = <400000>;
+		clock-frequency = <100000>;
+
+		pmu: pmu@8 {
+			reg = <0x08>;
+		};
 	};
 
 	sdio2: sdio@3f190000 {
 		non-removable;
 		max-frequency = <48000000>;
+		vmmc-supply = <&camldo1_reg>;
+		vqmmc-supply = <&iosr1_reg>;
 		status = "okay";
 	};
 
 	sdio4: sdio@3f1b0000 {
 		max-frequency = <48000000>;
 		cd-gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
+		vmmc-supply = <&sdldo_reg>;
+		vqmmc-supply = <&sdxldo_reg>;
 		status = "okay";
 	};
 
 	usbotg: usb@3f120000 {
+		vusb_d-supply = <&usbldo_reg>;
+		vusb_a-supply = <&iosr1_reg>;
 		status = "okay";
 	};
 
@@ -69,3 +79,38 @@
 		status = "okay";
 	};
 };
+
+#include "bcm59056.dtsi"
+
+&pmu {
+	compatible = "brcm,bcm59056";
+	interrupts = <GIC_SPI 215 IRQ_TYPE_LEVEL_HIGH>;
+	regulators {
+		camldo1_reg: camldo1 {
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+		};
+
+		sdldo_reg: sdldo {
+			regulator-min-microvolt = <3000000>;
+			regulator-max-microvolt = <3000000>;
+		};
+
+		sdxldo_reg: sdxldo {
+			regulator-min-microvolt = <2700000>;
+			regulator-max-microvolt = <3300000>;
+		};
+
+		usbldo_reg: usbldo {
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			regulator-always-on;
+		};
+
+		iosr1_reg: iosr1 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-always-on;
+		};
+	};
+};

arch/arm/boot/dts/bcm59056.dtsi

+/*
+* Copyright 2014 Linaro Limited
+* Author: Matt Porter <mporter@linaro.org>
+*
+* This program is free software; you can redistribute it and/or modify it
+* under  the terms of the GNU General  Public License as published by the
+* Free Software Foundation;  either version 2 of the License, or (at your
+* option) any later version.
+*/
+
+&pmu {
+	compatible = "brcm,bcm59056";
+	regulators {
+		rfldo_reg: rfldo {
+		};
+
+		camldo1_reg: camldo1 {
+		};
+
+		camldo2_reg: camldo2 {
+		};
+
+		simldo1_reg: simldo1 {
+		};
+
+		simldo2_reg: simldo2 {
+		};
+
+		sdldo_reg: sdldo {
+		};
+
+		sdxldo_reg: sdxldo {
+		};
+
+		mmcldo1_reg: mmcldo1 {
+		};
+
+		mmcldo2_reg: mmcldo2 {
+		};
+
+		audldo_reg: audldo {
+		};
+
+		micldo_reg: micldo {
+		};
+
+		usbldo_reg: usbldo {
+		};
+
+		vibldo_reg: vibldo {
+		};
+
+		csr_reg: csr {
+		};
+
+		iosr1_reg: iosr1 {
+		};
+
+		iosr2_reg: iosr2 {
+		};
+
+		msr_reg: msr {
+		};
+
+		sdsr1_reg: sdsr1 {
+		};
+
+		sdsr2_reg: sdsr2 {
+		};
+
+		vsr_reg: vsr {
+		};
+	};
+};