[PATCH 6.12.y-cip 8/8] arm64: dts: renesas: r9a09g087: Add DMAC support
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: 2026-09-11 08:12:03
Subsystem:
arm/risc-v/renesas architecture, the rest · Maintainers:
Geert Uytterhoeven, Magnus Damm, Linus Torvalds
From: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com> commit 57a0c2d36c646a64c117de534b787abe0a0b8bcf upstream. The Renesas RZ/N2H (R9A09G087) SoC has three instances of the DMAC IP. Add support for them. Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://patch.msgid.link/20251205151254.2970669-7-cosmin-gabriel.tanislav.xa@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> --- arch/arm64/boot/dts/renesas/r9a09g087.dtsi | 90 ++++++++++++++++++++++ 1 file changed, 90 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
index eb405ae6f03e3..82167083bb158 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi@@ -402,6 +402,96 @@ i2c2: i2c@81008000 { status = "disabled"; }; + dmac0: dma-controller@800c0000 { + compatible = "renesas,r9a09g087-dmac", "renesas,r9a09g077-dmac"; + reg = <0 0x800c0000 0 0x1000>; + interrupts = <GIC_SPI 32 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 33 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 34 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 35 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 36 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 37 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 38 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 39 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 40 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 41 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 42 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 43 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 44 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 45 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 46 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 47 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "ch0", "ch1", "ch2", "ch3", + "ch4", "ch5", "ch6", "ch7", + "ch8", "ch9", "ch10", "ch11", + "ch12", "ch13", "ch14", "ch15"; + clocks = <&cpg CPG_CORE R9A09G087_CLK_PCLKH>; + power-domains = <&cpg>; + #dma-cells = <1>; + dma-channels = <16>; + renesas,icu = <&icu 0>; + }; + + dmac1: dma-controller@800c1000 { + compatible = "renesas,r9a09g087-dmac", "renesas,r9a09g077-dmac"; + reg = <0 0x800c1000 0 0x1000>; + interrupts = <GIC_SPI 48 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 49 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 50 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 51 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 52 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 53 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 54 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 55 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 56 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 57 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 58 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 59 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 60 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 61 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 62 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 63 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "ch0", "ch1", "ch2", "ch3", + "ch4", "ch5", "ch6", "ch7", + "ch8", "ch9", "ch10", "ch11", + "ch12", "ch13", "ch14", "ch15"; + clocks = <&cpg CPG_CORE R9A09G087_CLK_PCLKH>; + power-domains = <&cpg>; + #dma-cells = <1>; + dma-channels = <16>; + renesas,icu = <&icu 1>; + }; + + dmac2: dma-controller@800c2000 { + compatible = "renesas,r9a09g087-dmac", "renesas,r9a09g077-dmac"; + reg = <0 0x800c2000 0 0x1000>; + interrupts = <GIC_SPI 64 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 65 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 66 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 67 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 68 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 69 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 70 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 71 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 72 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 73 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 74 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 75 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 76 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 77 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 78 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 79 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "ch0", "ch1", "ch2", "ch3", + "ch4", "ch5", "ch6", "ch7", + "ch8", "ch9", "ch10", "ch11", + "ch12", "ch13", "ch14", "ch15"; + clocks = <&cpg CPG_CORE R9A09G087_CLK_PCLKH>; + power-domains = <&cpg>; + #dma-cells = <1>; + dma-channels = <16>; + renesas,icu = <&icu 2>; + }; + gmac0: ethernet@80100000 { compatible = "renesas,r9a09g087-gbeth", "renesas,r9a09g077-gbeth", "snps,dwmac-5.20";
--
2.43.0