Merge tag 'u-boot-at91-2023.04-a' of https://source.denx.de/u-boot/custodians/u-boot-at91 into next

First set of u-boot-at91 features for the 2023.04 cycle:

This feature set includes the new DM-based NAND flash driver (old non-DM
driver is still kept for backwards compatibility), and the move to DM
NAND flash driver for sam9x60ek board. Feature set also includes
devicetree alignment for sama7g5 with Linux, devicetree alignment on USB
with Linux for all boards (sama5, sam9x60), chip id for sama7g5, minor
configs and tweaks.

include/dt-bindings/clk/at91.h

@@ -18,5 +18,10 @@
 #define PMC_TYPE_PERIPHERAL	3
 #define PMC_TYPE_GCK		4
 #define PMC_TYPE_SLOW		5
+#define USB_UTMI		6
+
+#define USB_UTMI1		0
+#define USB_UTMI2		1
+#define USB_UTMI3		2
 
 #endif

include/dt-bindings/mfd/at91-usart.h

@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * This header provides macros for AT91 USART DT bindings.
+ *
+ * Copyright (C) 2018 Microchip Technology
+ *
+ * Author: Radu Pirea <radu.pirea@microchip.com>
+ *
+ */
+
+#ifndef __DT_BINDINGS_AT91_USART_H__
+#define __DT_BINDINGS_AT91_USART_H__
+
+#define AT91_USART_MODE_SERIAL	0
+#define AT91_USART_MODE_SPI	1
+
+#endif /* __DT_BINDINGS_AT91_USART_H__ */

include/dt-bindings/reset/sama7g5-reset.h

@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+
+#ifndef __DT_BINDINGS_RESET_SAMA7G5_H
+#define __DT_BINDINGS_RESET_SAMA7G5_H
+
+#define SAMA7G5_RESET_USB_PHY1		4
+#define SAMA7G5_RESET_USB_PHY2		5
+#define SAMA7G5_RESET_USB_PHY3		6
+
+#endif /* __DT_BINDINGS_RESET_SAMA7G5_H */