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Message-Id: <1426649042-30547-2-git-send-email-wens@csie.org>
Date: Wed, 18 Mar 2015 11:24:00 +0800
From: Chen-Yu Tsai <wens@...e.org>
To: Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc: Chen-Yu Tsai <wens@...e.org>, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: [PATCH 1/3] ARM: dts: sun8i: Enable ARM architected timer on A23
The A23 SoC has the architected timer, but the existing firmware from
Allwinner does not set CNTFRQ at all.
Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
arch/arm/boot/dts/sun8i-a23.dtsi | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-a23.dtsi b/arch/arm/boot/dts/sun8i-a23.dtsi
index 674d4c5e7ee1..78440dffd678 100644
--- a/arch/arm/boot/dts/sun8i-a23.dtsi
+++ b/arch/arm/boot/dts/sun8i-a23.dtsi
@@ -70,6 +70,16 @@
};
};
+ timer {
+ compatible = "arm,armv7-timer";
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+ clock-frequency = <24000000>;
+ arm,cpu-registers-not-fw-configured;
+ };
+
cpus {
#address-cells = <1>;
#size-cells = <0>;
--
2.1.4
--
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