arm64: dts: broadcom: Fix USB DMA address translation for Stingray

Add a non-empty dma-ranges so that DMA address translation happens.

Fixes: 2013a4b684b6 ("arm64: dts: broadcom: clear the warnings caused by empty dma-ranges")
Signed-off-by: Bharat Gooty <bharat.gooty@broadcom.com>
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi b/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi
index aef8f2b00778d718e360344f68ae9f0c71c639c5..5401a646c8406f2a4ef4d6d438920607b6eb5241 100644 (file)
--- a/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi
+++ b/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi
@@ -4,11 +4,16 @@
  */
        usb {
                compatible = "simple-bus";
-               dma-ranges;
                #address-cells = <2>;
                #size-cells = <2>;
                ranges = <0x0 0x0 0x0 0x68500000 0x0 0x00400000>;
 
+               /*
+                * Internally, USB bus to the interconnect can only address up
+                * to 40-bit
+                */
+               dma-ranges = <0 0 0 0 0x100 0x0>;
+
                usbphy0: usb-phy@0 {
                        compatible = "brcm,sr-usb-combo-phy";
                        reg = <0x0 0x00000000 0x0 0x100>;