v4.19.13 snapshot.
diff --git a/include/linux/sh_eth.h b/include/linux/sh_eth.h
new file mode 100644
index 0000000..6dfda97
--- /dev/null
+++ b/include/linux/sh_eth.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_SH_ETH_H__
+#define __ASM_SH_ETH_H__
+
+#include <linux/phy.h>
+#include <linux/if_ether.h>
+
+struct sh_eth_plat_data {
+	int phy;
+	int phy_irq;
+	phy_interface_t phy_interface;
+	void (*set_mdio_gate)(void *addr);
+
+	unsigned char mac_addr[ETH_ALEN];
+	unsigned no_ether_link:1;
+	unsigned ether_link_active_low:1;
+};
+
+#endif