linux-kernel - Re: [PATCH 3/3] arm64: dts: rockchip: Add the needed timer for rk3368 SoC

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Date:	Thu, 17 Sep 2015 21:01:38 +0200
From:	Heiko Stübner <heiko@...ech.de>
To:	Caesar Wang <wxt@...k-chips.com>
Cc:	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>, devicetree@...r.kernel.org,
	Kumar Gala <galak@...eaurora.org>,
	linux-kernel@...r.kernel.org,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	linux-rockchip@...ts.infradead.org,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Olof Johansson <olof@...om.net>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 3/3] arm64: dts: rockchip: Add the needed timer for rk3368 SoC

Am Donnerstag, 17. September 2015, 15:51:12 schrieb Caesar Wang:
> There is a need of a broadcast timer in this case to ensure proper
> wakeup when the cpus are in sleep mode and a timer expires.
> 
> Signed-off-by: Caesar Wang <wxt@...k-chips.com>
> ---
> 
>  arch/arm64/boot/dts/rockchip/rk3368.dtsi | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
> b/arch/arm64/boot/dts/rockchip/rk3368.dtsi index a712bea..99edbaa 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
> @@ -214,6 +214,12 @@
>  			(GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>;
>  	};
> 
> +	timer@...10000 {
> +		compatible = "rockchip,rk3288-timer";

you probably want a
		compatible = "rockchip,rk3368-timer", "rockchip,rk3288-timer";

> +		reg = <0x0 0xff810000 0x0 0x20>;
> +		interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>;
> +	};
> +
>  	xin24m: oscillator {
>  		compatible = "fixed-clock";
>  		clock-frequency = <24000000>;

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