[PATCH 1/3] ARM: dts: sun8i: Enable ARM architected timer on A23
From: Chen-Yu Tsai
Date: Tue Mar 17 2015 - 23:24:45 EST
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@xxxxxxxx>
---
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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