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[PATCH/RFC,15/19] ARM: shmobile: gose: enable sound DMA support via SRC in device tree

Message ID 1449802376-11301-16-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State RFC
Delegated to: Simon Horman
Headers show

Commit Message

Simon Horman Dec. 11, 2015, 2:52 a.m. UTC 
Enable DMA transfer to/from SRC in r8a7793/gose device tree.

     DMA      DMApp
[MEM] -> [SRC] -> [SSIU] -> [SSI]

     DMA      DMApp
[MEM] <- [SRC] <- [SSIU] <- [SSI]

Current sound driver is supporting
SSI/SRC random connection.
So, this patch is tring
SSI0 -> SRC2
SSI1 <- SRC3

Based on similar work for the r8a7791/koeslch by Kuninori Morimoto.

Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 arch/arm/boot/dts/r8a7793-gose.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/arch/arm/boot/dts/r8a7793-gose.dts b/arch/arm/boot/dts/r8a7793-gose.dts
index 763cc272127e..30edd5fef626 100644
--- a/arch/arm/boot/dts/r8a7793-gose.dts
+++ b/arch/arm/boot/dts/r8a7793-gose.dts
@@ -216,8 +216,8 @@ 
 
 	rcar_sound,dai {
 		dai0 {
-			playback = <&ssi0>;
-			capture  = <&ssi1>;
+			playback = <&ssi0 &src2>;
+			capture  = <&ssi1 &src3>;
 		};
 	};
 };