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COOLING4d REVIEWED: 6 (6M)

Revision v1 of 2 in this series; 1 review trailer (1 from subsystem maintainers).

Revisions (2)
  1. v1 current
  2. v1 [diff vs current]

[PATCH 6.12.y-cip 1/2] arm64: dts: renesas: r9a09g056: Add DMA support for RSPI channels

From: Ovidiu Panait <hidden>
Date: 2026-09-13 16:37:09
Subsystem: arm/risc-v/renesas architecture, the rest · Maintainers: Geert Uytterhoeven, Magnus Damm, Linus Torvalds

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

commit ce2c7ca2c2acd252c495da0d924f48b70f2f4198 upstream.

Enable DMA support for RSPI channels.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260303233314.2928711-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ovidiu Panait <redacted>
---
 arch/arm64/boot/dts/renesas/r9a09g056.dtsi | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r9a09g056.dtsi b/arch/arm64/boot/dts/renesas/r9a09g056.dtsi
index d76c0608524e..0a0d7b400486 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g056.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g056.dtsi
@@ -732,6 +732,13 @@ rspi0: spi@12800000 {
 			clock-names = "pclk", "pclk_sfr", "tclk";
 			resets = <&cpg 0x7b>, <&cpg 0x7c>;
 			reset-names = "presetn", "tresetn";
+			dmas = <&dmac0 0x448c>, <&dmac0 0x448d>,
+			       <&dmac1 0x448c>, <&dmac1 0x448d>,
+			       <&dmac2 0x448c>, <&dmac2 0x448d>,
+			       <&dmac3 0x448c>, <&dmac3 0x448d>,
+			       <&dmac4 0x448c>, <&dmac4 0x448d>;
+			dma-names = "rx", "tx", "rx", "tx", "rx",
+				    "tx", "rx", "tx", "rx", "tx";
 			power-domains = <&cpg>;
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -753,6 +760,13 @@ rspi1: spi@12800400 {
 			clock-names = "pclk", "pclk_sfr", "tclk";
 			resets = <&cpg 0x7d>, <&cpg 0x7e>;
 			reset-names = "presetn", "tresetn";
+			dmas = <&dmac0 0x448e>, <&dmac0 0x448f>,
+			       <&dmac1 0x448e>, <&dmac1 0x448f>,
+			       <&dmac2 0x448e>, <&dmac2 0x448f>,
+			       <&dmac3 0x448e>, <&dmac3 0x448f>,
+			       <&dmac4 0x448e>, <&dmac4 0x448f>;
+			dma-names = "rx", "tx", "rx", "tx", "rx",
+				    "tx", "rx", "tx", "rx", "tx";
 			power-domains = <&cpg>;
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -774,6 +788,13 @@ rspi2: spi@12800800 {
 			clock-names = "pclk", "pclk_sfr", "tclk";
 			resets = <&cpg 0x7f>, <&cpg 0x80>;
 			reset-names = "presetn", "tresetn";
+			dmas = <&dmac0 0x4490>, <&dmac0 0x4491>,
+			       <&dmac1 0x4490>, <&dmac1 0x4491>,
+			       <&dmac2 0x4490>, <&dmac2 0x4491>,
+			       <&dmac3 0x4490>, <&dmac3 0x4491>,
+			       <&dmac4 0x4490>, <&dmac4 0x4491>;
+			dma-names = "rx", "tx", "rx", "tx", "rx",
+				    "tx", "rx", "tx", "rx", "tx";
 			power-domains = <&cpg>;
 			#address-cells = <1>;
 			#size-cells = <0>;
-- 
2.34.1

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