[PATCH net-next v4 07/14] net:phy:motorcomm: Add PHY_INTERFACE_MODE_INTERNAL to support YT6801

[Frank Sae <Frank.Sae@motor-comm.com>]

YT6801 NIC Integrated a PHY that is YT8531S, but it used GMII interface.
Add a case of PHY_INTERFACE_MODE_INTERNAL to support YT6801.

Signed-off-by: Frank Sae <Frank.Sae@motor-comm.com>
---
 drivers/net/phy/motorcomm.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/phy/motorcomm.c b/drivers/net/phy/motorcomm.c
index 0e91f5d1a..ac3a46939 100644
--- a/drivers/net/phy/motorcomm.c
+++ b/drivers/net/phy/motorcomm.c
@@ -896,6 +896,12 @@ static int ytphy_rgmii_clk_delay_config(struct phy_device *phydev)
 		val |= FIELD_PREP(YT8521_RC1R_RX_DELAY_MASK, rx_reg) |
 		       FIELD_PREP(YT8521_RC1R_GE_TX_DELAY_MASK, tx_reg);
 		break;
+	case PHY_INTERFACE_MODE_INTERNAL:
+		if (phydev->drv->phy_id != PHY_ID_YT8531S)
+			return -EOPNOTSUPP;
+
+		dev_info_once(&phydev->mdio.dev, "Integrated YT8531S phy of YT6801.\n");
+		return 0;
 	default: /* do not support other modes */
 		return -EOPNOTSUPP;
 	}
-- 
2.34.1