ARM: bcm2835: Add the Raspberry Pi power domain driver to the DT.

This connects the USB driver to the USB power domain, so that USB can
actually be turned on at boot if the bootloader didn't do it for us.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Kevin Hilman <khilman@linaro.org>

diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index a584a93f631dc45bc76b6786a7f6d7d67efe405e..76bdbcafab18e8ea7c4e06decd315540aac7ef33 100644 (file)
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -1,3 +1,5 @@
+#include <dt-bindings/power/raspberrypi-power.h>
+
 / {
        memory {
                reg = <0 0x10000000>;
@@ -18,6 +20,12 @@
                        compatible = "raspberrypi,bcm2835-firmware";
                        mboxes = <&mailbox>;
                };
+
+               power: power {
+                       compatible = "raspberrypi,bcm2835-power";
+                       firmware = <&firmware>;
+                       #power-domain-cells = <1>;
+               };
        };
 };
 
@@ -62,3 +70,7 @@
 &pwm {
        status = "okay";
 };
+
+&usb {
+       power-domains = <&power RPI_POWER_DOMAIN_USB>;
+};

diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
index c003f2d77de52e58c1076a34a67b7e4f438cbf95..05ff5ce91c957786794b68c7e0eae9b83c667545 100644 (file)
--- a/arch/arm/boot/dts/bcm283x.dtsi
+++ b/arch/arm/boot/dts/bcm283x.dtsi
@@ -218,7 +218,7 @@
                        status = "disabled";
                };
 
-               usb@7e980000 {
+               usb: usb@7e980000 {
                        compatible = "brcm,bcm2835-usb";
                        reg = <0x7e980000 0x10000>;
                        interrupts = <1 9>;