From 3c77f58d108c80c464a0676aeaa3dbf791883f19 Mon Sep 17 00:00:00 2001
From: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
Date: Wed, 19 Nov 2025 18:14:34 +0200
Subject: [PATCH] arm64: dts: renesas: r9a09g087: Add SPI nodes

Add support for the four SPI controllers on the Renesas RZ/N2H Soc.

Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251119161434.595677-14-cosmin-gabriel.tanislav.xa@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 arch/arm64/boot/dts/renesas/r9a09g087.dtsi | 72 ++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
index 361a9235f00d9..e273a9aca5687 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
@@ -165,6 +165,78 @@
 			status = "disabled";
 		};
 
+		rspi0: spi@80007000 {
+			compatible = "renesas,r9a09g087-rspi", "renesas,r9a09g077-rspi";
+			reg = <0x0 0x80007000 0x0 0x400>;
+			interrupts = <GIC_SPI 636 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 637 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 638 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 634 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 635 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "idle", "error", "end", "rx", "tx";
+			clocks = <&cpg CPG_CORE R9A09G087_CLK_PCLKM>,
+				 <&cpg CPG_MOD 104>;
+			clock-names = "pclk", "pclkspi";
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		rspi1: spi@80007400 {
+			compatible = "renesas,r9a09g087-rspi", "renesas,r9a09g077-rspi";
+			reg = <0x0 0x80007400 0x0 0x400>;
+			interrupts = <GIC_SPI 641 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 642 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 643 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 639 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 640 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "idle", "error", "end", "rx", "tx";
+			clocks = <&cpg CPG_CORE R9A09G087_CLK_PCLKM>,
+				 <&cpg CPG_MOD 105>;
+			clock-names = "pclk", "pclkspi";
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		rspi2: spi@80007800 {
+			compatible = "renesas,r9a09g087-rspi", "renesas,r9a09g077-rspi";
+			reg = <0x0 0x80007800 0x0 0x400>;
+			interrupts = <GIC_SPI 646 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 647 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 648 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 644 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 645 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "idle", "error", "end", "rx", "tx";
+			clocks = <&cpg CPG_CORE R9A09G087_CLK_PCLKM>,
+				 <&cpg CPG_MOD 106>;
+			clock-names = "pclk", "pclkspi";
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		rspi3: spi@81007000 {
+			compatible = "renesas,r9a09g087-rspi", "renesas,r9a09g077-rspi";
+			reg = <0x0 0x81007000 0x0 0x400>;
+			interrupts = <GIC_SPI 651 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 652 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 653 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 649 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 650 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "idle", "error", "end", "rx", "tx";
+			clocks = <&cpg CPG_CORE R9A09G087_CLK_PCLKM>,
+				 <&cpg CPG_MOD 602>;
+			clock-names = "pclk", "pclkspi";
+			power-domains = <&cpg>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		wdt0: watchdog@80082000 {
 			compatible = "renesas,r9a09g087-wdt", "renesas,r9a09g077-wdt";
 			reg = <0 0x80082000 0 0x400>,
-- 
2.47.3