[PATCH 1/5] arm64: dts: renesas: r9a08g046: Add DMAC node

From: Biju

Date: Tue May 05 2026 - 08:50:22 EST


From: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>

Add the DMA controller device tree node for the RZ/G3L (r9a08g046) SoC.

Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/renesas/r9a08g046.dtsi | 37 ++++++++++++++++++++++
1 file changed, 37 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a08g046.dtsi b/arch/arm64/boot/dts/renesas/r9a08g046.dtsi
index 8abf4ec28df1..fa15e2ebc87c 100644
--- a/arch/arm64/boot/dts/renesas/r9a08g046.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a08g046.dtsi
@@ -482,6 +482,43 @@ icu: interrupt-controller@11050000 {
resets = <&cpg R9A08G046_IA55_RESETN>;
};

+ dmac: dma-controller@11820000 {
+ compatible = "renesas,r9a08g046-dmac", "renesas,rz-dmac";
+ reg = <0 0x11820000 0 0x10000>,
+ <0 0x11830000 0 0x10000>;
+ interrupts = <GIC_SPI 153 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 154 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 155 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 156 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 157 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 158 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 159 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 160 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 161 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 162 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 163 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 164 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 165 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 166 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 167 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 169 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3",
+ "ch4", "ch5", "ch6", "ch7",
+ "ch8", "ch9", "ch10", "ch11",
+ "ch12", "ch13", "ch14", "ch15";
+ clocks = <&cpg CPG_MOD R9A08G046_DMAC_ACLK>,
+ <&cpg CPG_MOD R9A08G046_DMAC_PCLK>;
+ clock-names = "main", "register";
+ power-domains = <&cpg>;
+ resets = <&cpg R9A08G046_DMAC_ARESETN>,
+ <&cpg R9A08G046_DMAC_RST_ASYNC>;
+ reset-names = "arst", "rst_async";
+ #dma-cells = <1>;
+ dma-channels = <16>;
+ };
+
sdhi1: mmc@11c10000 {
reg = <0x0 0x11c10000 0 0x10000>;
/* placeholder */
--
2.43.0