Read boolean Device Tree property "maxlinear,rmii-refclk-out" and switch
the RMII reference clock to be a clock output rather than an input if it
is set.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
Tested-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
---
v7: no changes
v6: no changes
v5: no changes
v4: set GSWIP_MII_CFG_RMII_CLK bit in RMII case inside the switch
statement instead of a (wrong) if-clause just below
v3: no changes
v2: no changes
since RFC: no changes
drivers/net/dsa/lantiq/lantiq_gswip_common.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/dsa/lantiq/lantiq_gswip_common.c b/drivers/net/dsa/lantiq/lantiq_gswip_common.c
index fdfc265b4c73..7b3debd45b91 100644
--- a/drivers/net/dsa/lantiq/lantiq_gswip_common.c
+++ b/drivers/net/dsa/lantiq/lantiq_gswip_common.c
@@ -1402,6 +1402,8 @@ static void gswip_phylink_mac_config(struct phylink_config *config,
break;
case PHY_INTERFACE_MODE_RMII:
miicfg |= GSWIP_MII_CFG_MODE_RMIIM;
+ if (of_property_read_bool(dp->dn, "maxlinear,rmii-refclk-out"))
+ miicfg |= GSWIP_MII_CFG_RMII_CLK;
break;
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_RGMII_ID:
--
2.51.2