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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.5 172/399] ARM: dts: r8a7779: Add device node for ARM global timer
Date:   Fri, 21 Feb 2020 08:38:17 +0100
Message-Id: <20200221072419.371199406@linuxfoundation.org>
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From: Geert Uytterhoeven <geert+renesas@glider.be>

[ Upstream commit 8443ffd1bbd5be74e9b12db234746d12e8ea93e2 ]

Add a device node for the global timer, which is part of the Cortex-A9
MPCore.

The global timer can serve as an accurate (4 ns) clock source for
scheduling and delay loops.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191211135222.26770-4-geert+renesas@glider.be
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/r8a7779.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index ebf5b7cfe2159..63341635bddf8 100644
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -68,6 +68,14 @@
 		      <0xf0000100 0x100>;
 	};
 
+	timer@f0000200 {
+		compatible = "arm,cortex-a9-global-timer";
+		reg = <0xf0000200 0x100>;
+		interrupts = <GIC_PPI 11
+			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>;
+		clocks = <&cpg_clocks R8A7779_CLK_ZS>;
+	};
+
 	timer@f0000600 {
 		compatible = "arm,cortex-a9-twd-timer";
 		reg = <0xf0000600 0x20>;
-- 
2.20.1