linux-kernel - Re: [PATCH 3/4] arm64: dts: add sp804 timer node for Hi6220

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Date:	Fri, 9 Oct 2015 08:10:15 -0500
From:	Rob Herring <robherring2@...il.com>
To:	Leo Yan <leo.yan@...aro.org>
Cc:	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Bintian Wang <bintian.wang@...wei.com>,
	Haojian Zhuang <haojian.zhuang@...aro.org>,
	Wei Xu <xuwei5@...ilicon.com>,
	Yiping Xu <xuyiping@...ilicon.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Mark Brown <broonie@...nel.org>,
	Tyler Baker <tyler.baker@...aro.org>
Subject: Re: [PATCH 3/4] arm64: dts: add sp804 timer node for Hi6220

On Thu, Oct 8, 2015 at 11:36 PM, Leo Yan <leo.yan@...aro.org> wrote:
> Add sp804 timer for hi6220, so it can be used as broadcast timer.
>
> Signed-off-by: Leo Yan <leo.yan@...aro.org>
> ---
>  arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
> index 3f03380..7edbe42 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
> +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
> @@ -167,5 +167,14 @@
>                         clocks = <&ao_ctrl 36>, <&ao_ctrl 36>;
>                         clock-names = "uartclk", "apb_pclk";
>                 };
> +
> +               dual_timer0: dual_timer@...08000 {
> +                       compatible = "arm,sp804", "arm,primecell";
> +                       reg = <0x0 0xf8008000 0x0 0x1000>;
> +                       interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>,
> +                                    <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
> +                       clocks = <&ao_ctrl 27>, <&ao_ctrl 27>;
> +                       clock-names = "apb_pclk", "apb_pclk";

These should not have the same name and should be 3 clocks. The
binding doc is not clear what the names should be, but follow the
example.

The vexpress-v2p-ca9, hi3620 and hip04 are wrong too (in different ways).

Rob

> +               };
>         };
>  };
> --
> 1.9.1
>
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