VGV7510KW2 with VRX288 v1.2 has brnboot 1.8 installed. Starting with
this brnboot version, the "GPHY Clock Source" isn't set anymore by
brnboot, with the result that xrx200-net fails to probe/initialize the
phys.

Use the phy clock source device tree binding to specify the clock source.

Signed-off-by: Mathias Kresin <[email protected]>
---
 target/linux/lantiq/dts/VGV7510KW22BRN.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/target/linux/lantiq/dts/VGV7510KW22BRN.dts 
b/target/linux/lantiq/dts/VGV7510KW22BRN.dts
index 1880c8c..d7c6b51 100644
--- a/target/linux/lantiq/dts/VGV7510KW22BRN.dts
+++ b/target/linux/lantiq/dts/VGV7510KW22BRN.dts
@@ -3,6 +3,12 @@
 /include/ "VGV7510KW22.dtsi"
 
 / {
+       sram@1F000000 {
+               cgu@103000 {
+                       lantiq,phy-clk-src = <0x2>;
+               };
+       };
+
        fpi@10000000 {
                localbus@0 {
                        nor-boot@0 {
-- 
1.9.1
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