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>
---
drivers/net/dsa/lantiq/lantiq_gswip_common.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/dsa/lantiq/lantiq_gswip_common.c b/drivers/net/dsa/lantiq/lantiq_gswip_common.c
index 60a83093cd10..bf38ecc13f76 100644
--- a/drivers/net/dsa/lantiq/lantiq_gswip_common.c
+++ b/drivers/net/dsa/lantiq/lantiq_gswip_common.c
@@ -1442,6 +1442,10 @@ static void gswip_phylink_mac_config(struct phylink_config *config,
return;
}
+ if (of_property_read_bool(dp->dn, "maxlinear,rmii-refclk-out") &&
+ !(miicfg & GSWIP_MII_CFG_MODE_RGMII))
+ miicfg |= GSWIP_MII_CFG_RMII_CLK;
+
gswip_mii_mask_cfg(priv,
GSWIP_MII_CFG_MODE_MASK | GSWIP_MII_CFG_RMII_CLK |
GSWIP_MII_CFG_RGMII_IBS | GSWIP_MII_CFG_LDCLKDIS,
--
2.51.0