v4.19.13 snapshot.
diff --git a/include/linux/smc91x.h b/include/linux/smc91x.h
new file mode 100644
index 0000000..f3b195f
--- /dev/null
+++ b/include/linux/smc91x.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __SMC91X_H__
+#define __SMC91X_H__
+
+/*
+ * These bits define which access sizes a platform can support, rather
+ * than the maximal access size. So, if your platform can do 16-bit
+ * and 32-bit accesses to the SMC91x device, but not 8-bit, set both
+ * SMC91X_USE_16BIT and SMC91X_USE_32BIT.
+ *
+ * The SMC91x driver requires at least one of SMC91X_USE_8BIT or
+ * SMC91X_USE_16BIT to be supported - just setting SMC91X_USE_32BIT is
+ * an invalid configuration.
+ */
+#define SMC91X_USE_8BIT (1 << 0)
+#define SMC91X_USE_16BIT (1 << 1)
+#define SMC91X_USE_32BIT (1 << 2)
+
+#define SMC91X_NOWAIT (1 << 3)
+
+/* two bits for IO_SHIFT, let's hope later designs will keep this sane */
+#define SMC91X_IO_SHIFT_0 (0 << 4)
+#define SMC91X_IO_SHIFT_1 (1 << 4)
+#define SMC91X_IO_SHIFT_2 (2 << 4)
+#define SMC91X_IO_SHIFT_3 (3 << 4)
+#define SMC91X_IO_SHIFT(x) (((x) >> 4) & 0x3)
+
+#define SMC91X_USE_DMA (1 << 6)
+
+#define RPC_LED_100_10 (0x00) /* LED = 100Mbps OR's with 10Mbps link detect */
+#define RPC_LED_RES (0x01) /* LED = Reserved */
+#define RPC_LED_10 (0x02) /* LED = 10Mbps link detect */
+#define RPC_LED_FD (0x03) /* LED = Full Duplex Mode */
+#define RPC_LED_TX_RX (0x04) /* LED = TX or RX packet occurred */
+#define RPC_LED_100 (0x05) /* LED = 100Mbps link detect */
+#define RPC_LED_TX (0x06) /* LED = TX packet occurred */
+#define RPC_LED_RX (0x07) /* LED = RX packet occurred */
+
+struct smc91x_platdata {
+ unsigned long flags;
+ unsigned char leda;
+ unsigned char ledb;
+ bool pxa_u16_align4; /* PXA buggy u16 writes on 4*n+2 addresses */
+};
+
+#endif /* __SMC91X_H__ */