linux-kernel - [PATCH v2 3/5] arm64: dts: exynos8895: Add Multi Core Timer (MCT) node

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Message-ID: <20241023091734.538682-4-ivo.ivanov.ivanov1@gmail.com>
Date: Wed, 23 Oct 2024 12:17:32 +0300
From: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>,
	Andi Shyti <andi.shyti@...nel.org>,
	Mark Brown <broonie@...nel.org>,
	Alim Akhtar <alim.akhtar@...sung.com>,
	Rob Herring <robh@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>
Cc: linux-samsung-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/5] arm64: dts: exynos8895: Add Multi Core Timer (MCT) node

MCT has one global timer and 8 CPU local timers. The global timer
can generate 4 interrupts, and each local timer can generate an
interrupt making 12 interrupts in total.

Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
---
 arch/arm64/boot/dts/exynos/exynos8895.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynos8895.dtsi b/arch/arm64/boot/dts/exynos/exynos8895.dtsi
index 54037b0dc..e6c8a4966 100644
--- a/arch/arm64/boot/dts/exynos/exynos8895.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos8895.dtsi
@@ -169,6 +169,26 @@ cmu_peris: clock-controller@...10000 {
 			clock-names = "oscclk", "bus";
 		};
 
+		timer@...40000 {
+			compatible = "samsung,exynos8895-mct",
+				     "samsung,exynos4210-mct";
+			reg = <0x10040000 0x800>;
+			clocks = <&oscclk>, <&cmu_peris CLK_GOUT_PERIS_MCT_PCLK>;
+			clock-names = "fin_pll", "mct";
+			interrupts = <GIC_SPI 455 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 456 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 457 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 458 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 459 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 460 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 461 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 462 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 463 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 464 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 465 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 466 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
 		gic: interrupt-controller@...01000 {
 			compatible = "arm,gic-400";
 			reg = <0x10201000 0x1000>,
-- 
2.43.0