Add nodes for the RSPI IPs found in the Renesas RZ/G3E SoC.

Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
---
 arch/arm64/boot/dts/renesas/r9a09g047.dtsi | 84 ++++++++++++++++++++++
 1 file changed, 84 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a09g047.dtsi b/arch/arm64/boot/dts/renesas/r9a09g047.dtsi
index cbb48ff5028f..94d23cc013f7 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g047.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g047.dtsi
@@ -591,6 +591,90 @@ channel5 {
 			};
 		};
 
+		rspi0: spi@12800000 {
+			compatible = "renesas,r9a09g047-rspi", "renesas,r9a09g057-rspi";
+			reg = <0x0 0x12800000 0x0 0x400>;
+			interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 107 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 500 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 501 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "idle", "error", "end", "rx", "tx";
+			clocks = <&cpg CPG_MOD 0x54>,
+				 <&cpg CPG_MOD 0x55>,
+				 <&cpg CPG_MOD 0x56>;
+			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>;
+			status = "disabled";
+		};
+
+		rspi1: spi@12800400 {
+			compatible = "renesas,r9a09g047-rspi", "renesas,r9a09g057-rspi";
+			reg = <0x0 0x12800400 0x0 0x400>;
+			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 110 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 502 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 503 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "idle", "error", "end", "rx", "tx";
+			clocks = <&cpg CPG_MOD 0x57>,
+				 <&cpg CPG_MOD 0x58>,
+				 <&cpg CPG_MOD 0x59>;
+			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>;
+			status = "disabled";
+		};
+
+		rspi2: spi@12800800 {
+			compatible = "renesas,r9a09g047-rspi", "renesas,r9a09g057-rspi";
+			reg = <0x0 0x12800800 0x0 0x400>;
+			interrupts = <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 113 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 504 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 505 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "idle", "error", "end", "rx", "tx";
+			clocks = <&cpg CPG_MOD 0x5a>,
+				 <&cpg CPG_MOD 0x5b>,
+				 <&cpg CPG_MOD 0x5c>;
+			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>;
+			status = "disabled";
+		};
+
 		rsci0: serial@12800c00 {
 			compatible = "renesas,r9a09g047-rsci";
 			reg = <0 0x12800c00 0 0x400>;
-- 
2.43.0

On Tue, 17 Feb 2026 at 17:25, Tommaso Merciai
<tommaso.merciai.xr@bp.renesas.com> wrote:
> Add nodes for the RSPI IPs found in the Renesas RZ/G3E SoC.
>
> Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-devel for v7.1.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds