net: dsa: felix: attempt to initialize internal hsio plls

The VSC7512 and VSC7514 have internal PLLs that can be used to control
different peripherals. Initialize these high speed I/O (HSIO) PLLs when
they exist, so that dependent peripherals like QSGMII can function.

Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
index d4cc9e60f369f31e8048b7773e8acc986705006b..21dcb9cadc12cfb09db9f55453545c3e8af53452 100644 (file)
--- a/drivers/net/dsa/ocelot/felix.c
+++ b/drivers/net/dsa/ocelot/felix.c
@@ -1555,6 +1555,9 @@ static int felix_setup(struct dsa_switch *ds)
        if (err)
                return err;
 
+       if (ocelot->targets[HSIO])
+               ocelot_pll5_init(ocelot);
+
        err = ocelot_init(ocelot);
        if (err)
                goto out_mdiobus_free;