ARM: dts: bcm283x: Add missing USB clock

According to the DWC2 binding an appropriate clock is required.
This clock isn't handled by bcm2835 clock driver, so add a fixed
clock to the bcm283x DT.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
index b98252232d200ab476c2e8eaf8dc07e637ffc62f..5472800882997716bad62d065c5af662e3f1c44c 100644 (file)
--- a/arch/arm/boot/dts/bcm283x.dtsi
+++ b/arch/arm/boot/dts/bcm283x.dtsi
@@ -289,6 +289,8 @@
                        interrupts = <1 9>;
                        #address-cells = <1>;
                        #size-cells = <0>;
+                       clocks = <&clk_usb>;
+                       clock-names = "otg";
                };
 
                v3d: v3d@7ec00000 {
@@ -316,5 +318,12 @@
                        clock-frequency = <19200000>;
                };
 
+               clk_usb: clock@4 {
+                       compatible = "fixed-clock";
+                       reg = <4>;
+                       #clock-cells = <0>;
+                       clock-output-names = "otg";
+                       clock-frequency = <480000000>;
+               };
        };
 };