ARM: shmobile: r8a7740: add DMAEngine support for FSI

Current shdmac can support FSI DMAC on r8a7740.
This support reduce CPU duty when sound was playback.

This patch is based on v1.0 manual

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/include/mach/r8a7740.h b/arch/arm/mach-shmobile/include/mach/r8a7740.h
index 6468fcc5ee49..f71507b3f917 100644
--- a/arch/arm/mach-shmobile/include/mach/r8a7740.h
+++ b/arch/arm/mach-shmobile/include/mach/r8a7740.h
@@ -588,4 +588,12 @@ enum {
         GPIO_FN_TRACEAUD_FROM_MEMC,
 };
 
+/* DMA slave IDs */
+enum {
+        SHDMA_SLAVE_INVALID,
+        SHDMA_SLAVE_FSIA_RX,
+        SHDMA_SLAVE_FSIA_TX,
+        SHDMA_SLAVE_FSIB_TX,
+};
+
 #endif /* __ASM_R8A7740_H__ */