From ba82a7f75e8a33963354c1be109793f2bccccb79 Mon Sep 17 00:00:00 2001
From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Fri, 29 May 2026 14:07:00 +0100
Subject: [PATCH] arm64: dts: renesas: r9a08g046: Add RSPI{0..2} nodes

Add device tree nodes for the three RSPI channels on the RZ/G3L
(R9A08G046) SoC.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260529130704.327505-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 arch/arm64/boot/dts/renesas/r9a08g046.dtsi | 69 ++++++++++++++++++++++
 1 file changed, 69 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a08g046.dtsi b/arch/arm64/boot/dts/renesas/r9a08g046.dtsi
index 03bdee870528..c63a857f0e5b 100644
--- a/arch/arm64/boot/dts/renesas/r9a08g046.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a08g046.dtsi
@@ -358,6 +358,75 @@ i2c3: i2c@10090c00 {
 			status = "disabled";
 		};
 
+		rspi0: spi@100b0000 {
+			compatible = "renesas,r9a08g046-rspi";
+			reg = <0 0x100b0000 0 0x1000>;
+			interrupts = <GIC_SPI 440 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 441 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 442 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 443 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 444 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "idle", "error", "end", "rx", "tx";
+			clocks = <&cpg CPG_MOD R9A08G046_RSPI0_PCLK>,
+				 <&cpg CPG_MOD R9A08G046_RSPI0_TCLK>;
+			clock-names = "pclk", "tclk";
+			resets = <&cpg R9A08G046_RSPI0_PRESETN>,
+				 <&cpg R9A08G046_RSPI0_TRESETN>;
+			reset-names = "presetn", "tresetn";
+			dmas = <&dmac 0x26f2>, <&dmac 0x26f1>;
+			dma-names = "rx", "tx";
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		rspi1: spi@100e9000 {
+			compatible = "renesas,r9a08g046-rspi";
+			reg = <0 0x100e9000 0 0x1000>;
+			interrupts = <GIC_SPI 445 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 446 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 447 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 448 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 449 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "idle", "error", "end", "rx", "tx";
+			clocks = <&cpg CPG_MOD R9A08G046_RSPI1_PCLK>,
+				 <&cpg CPG_MOD R9A08G046_RSPI1_TCLK>;
+			clock-names = "pclk", "tclk";
+			resets = <&cpg R9A08G046_RSPI1_PRESETN>,
+				 <&cpg R9A08G046_RSPI1_TRESETN>;
+			reset-names = "presetn", "tresetn";
+			dmas = <&dmac 0x26f6>, <&dmac 0x26f5>;
+			dma-names = "rx", "tx";
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		rspi2: spi@100ea000 {
+			compatible = "renesas,r9a08g046-rspi";
+			reg = <0 0x100ea000 0 0x1000>;
+			interrupts = <GIC_SPI 450 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 451 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 452 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 453 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 454 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "idle", "error", "end", "rx", "tx";
+			clocks = <&cpg CPG_MOD R9A08G046_RSPI2_PCLK>,
+				 <&cpg CPG_MOD R9A08G046_RSPI2_TCLK>;
+			clock-names = "pclk", "tclk";
+			resets = <&cpg R9A08G046_RSPI2_PRESETN>,
+				 <&cpg R9A08G046_RSPI2_TRESETN>;
+			reset-names = "presetn", "tresetn";
+			dmas = <&dmac 0x26fa>, <&dmac 0x26f9>;
+			dma-names = "rx", "tx";
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		rsci0: serial@100b8000 {
 			compatible = "renesas,r9a08g046-rsci";
 			reg = <0 0x100b8000 0 0x1000>;