net: ll_temac: Extend support to non-device-tree platforms

Support initialization with platdata, so the driver can be used on
non-device-tree platforms.

For currently supported device-tree platforms, the driver should behave
as before.

Signed-off-by: Esben Haabendal <esben@geanix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/platform_data/xilinx-ll-temac.h

@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LINUX_XILINX_LL_TEMAC_H
+#define __LINUX_XILINX_LL_TEMAC_H
+
+#include <linux/if_ether.h>
+#include <linux/phy.h>
+
+struct ll_temac_platform_data {
+	bool txcsum;		/* Enable/disable TX checksum */
+	bool rxcsum;		/* Enable/disable RX checksum */
+	u8 mac_addr[ETH_ALEN];	/* MAC address (6 bytes) */
+	/* Clock frequency for input to MDIO clock generator */
+	u32 mdio_clk_freq;
+	unsigned long long mdio_bus_id; /* Unique id for MDIO bus */
+	int phy_addr;		/* Address of the PHY to connect to */
+	phy_interface_t phy_interface; /* PHY interface mode */
+};
+
+#endif /* __LINUX_XILINX_LL_TEMAC_H */