--- zzzz-none-000/linux-3.10.107/include/linux/platform_data/dma-atmel.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/platform_data/dma-atmel.h	2021-02-04 17:41:59.000000000 +0000
@@ -35,16 +35,20 @@
 
 
 /* Platform-configurable bits in CFG */
+#define ATC_PER_MSB(h)	((0x30U & (h)) >> 4)	/* Extract most significant bits of a handshaking identifier */
+
 #define	ATC_SRC_PER(h)		(0xFU & (h))	/* Channel src rq associated with periph handshaking ifc h */
 #define	ATC_DST_PER(h)		((0xFU & (h)) <<  4)	/* Channel dst rq associated with periph handshaking ifc h */
 #define	ATC_SRC_REP		(0x1 <<  8)	/* Source Replay Mod */
 #define	ATC_SRC_H2SEL		(0x1 <<  9)	/* Source Handshaking Mod */
 #define		ATC_SRC_H2SEL_SW	(0x0 <<  9)
 #define		ATC_SRC_H2SEL_HW	(0x1 <<  9)
+#define	ATC_SRC_PER_MSB(h)	(ATC_PER_MSB(h) << 10)	/* Channel src rq (most significant bits) */
 #define	ATC_DST_REP		(0x1 << 12)	/* Destination Replay Mod */
 #define	ATC_DST_H2SEL		(0x1 << 13)	/* Destination Handshaking Mod */
 #define		ATC_DST_H2SEL_SW	(0x0 << 13)
 #define		ATC_DST_H2SEL_HW	(0x1 << 13)
+#define	ATC_DST_PER_MSB(h)	(ATC_PER_MSB(h) << 14)	/* Channel dst rq (most significant bits) */
 #define	ATC_SOD			(0x1 << 16)	/* Stop On Done */
 #define	ATC_LOCK_IF		(0x1 << 20)	/* Interface Lock */
 #define	ATC_LOCK_B		(0x1 << 21)	/* AHB Bus Lock */