[PATCH 3/7] arm64: dts: renesas: r8a7796: Tie Audio-DMAC to IPMMU-MP

Simon Horman horms+renesas at verge.net.au
Wed Nov 1 03:34:54 PDT 2017


Hook up r8a7796 Audio-DMAC nodes to the IPMMU-MP.

Based on work for the r8a7795 by Magnus Damm.

Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
---
 arch/arm64/boot/dts/renesas/r8a7796.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
index de044c954638..ce74a7ae47f4 100644
--- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
@@ -1316,6 +1316,14 @@
 			resets = <&cpg 502>;
 			#dma-cells = <1>;
 			dma-channels = <16>;
+			iommus = <&ipmmu_mp 0>, <&ipmmu_mp 1>,
+			       <&ipmmu_mp 2>, <&ipmmu_mp 3>,
+			       <&ipmmu_mp 4>, <&ipmmu_mp 5>,
+			       <&ipmmu_mp 6>, <&ipmmu_mp 7>,
+			       <&ipmmu_mp 8>, <&ipmmu_mp 9>,
+			       <&ipmmu_mp 10>, <&ipmmu_mp 11>,
+			       <&ipmmu_mp 12>, <&ipmmu_mp 13>,
+			       <&ipmmu_mp 14>, <&ipmmu_mp 15>;
 		};
 
 		audma1: dma-controller at ec720000 {
@@ -1350,6 +1358,14 @@
 			resets = <&cpg 501>;
 			#dma-cells = <1>;
 			dma-channels = <16>;
+			iommus = <&ipmmu_mp 16>, <&ipmmu_mp 17>,
+			       <&ipmmu_mp 18>, <&ipmmu_mp 19>,
+			       <&ipmmu_mp 20>, <&ipmmu_mp 21>,
+			       <&ipmmu_mp 22>, <&ipmmu_mp 23>,
+			       <&ipmmu_mp 24>, <&ipmmu_mp 25>,
+			       <&ipmmu_mp 26>, <&ipmmu_mp 27>,
+			       <&ipmmu_mp 28>, <&ipmmu_mp 29>,
+			       <&ipmmu_mp 30>, <&ipmmu_mp 31>;
 		};
 
 		usb_dmac0: dma-controller at e65a0000 {
-- 
2.11.0




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