From: Anson Huang <Anson.Huang@nxp.com>
To: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org,
s.hauer@pengutronix.de, kernel@pengutronix.de,
festevam@gmail.com, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Linux-imx@nxp.com
Subject: [PATCH] arm64: dts: imx8mp: Add system counter timer node
Date: Thu, 20 Feb 2020 12:50:32 +0800 [thread overview]
Message-ID: <1582174232-14082-1-git-send-email-Anson.Huang@nxp.com> (raw)
System counter timer is necessary as broadcast timer for cpu-idle,
add support for it.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
arch/arm64/boot/dts/freescale/imx8mp.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 61cf373..71b0c8f 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -358,6 +358,14 @@
#pwm-cells = <2>;
status = "disabled";
};
+
+ system_counter: timer@306a0000 {
+ compatible = "nxp,sysctr-timer";
+ reg = <0x306a0000 0x20000>;
+ interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&osc_24m>;
+ clock-names = "per";
+ };
};
aips3: bus@30800000 {
--
2.7.4
reply other threads:[~2020-02-20 4:56 UTC|newest]
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