linux-kernel - Re: [PATCH v2 2/2] arm64: dts: meson-g12a: add initial g12a s905d2 SoC DT support

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Date:   Mon, 13 Aug 2018 13:52:27 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Jianxin Pan <jianxin.pan@...ogic.com>,
        Kevin Hilman <khilman@...libre.com>,
        linux-amlogic@...ts.infradead.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Carlo Caione <carlo@...one.org>, Jian Hu <jian.hu@...ogic.com>,
        Yixun Lan <yixun.lan@...ogic.com>,
        Hanjie Lin <hanjie.lin@...ogic.com>,
        Qiufang Dai <qiufang.dai@...ogic.com>,
        Victor Wan <victor.wan@...ogic.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] arm64: dts: meson-g12a: add initial g12a s905d2
 SoC DT support

On Mon, 2018-08-13 at 19:48 +0800, Jianxin Pan wrote:
> Try to add basic DT support for the Amlogic's Meson-G12A S905D2 SoC,
> which describe components as follows: Reserve Memory, CPU, GIC, IRQ,
> Timer, UART. It's capable of booting up into the serial console.
> 
> Signed-off-by: Jianxin Pan <jianxin.pan@...ogic.com>
> ---
>  arch/arm64/boot/dts/amlogic/Makefile            |   1 +
>  arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts |  22 +++
>  arch/arm64/boot/dts/amlogic/meson-g12a.dtsi     | 172 ++++++++++++++++++++++++
>  3 files changed, 195 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts
>  create mode 100644 arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
> 
> +
> +	timer {
> +		compatible = "arm,armv8-timer";
> +		interrupts = <GIC_PPI 13
> +			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
> +			     <GIC_PPI 14
> +			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
> +			     <GIC_PPI 11
> +			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
> +			     <GIC_PPI 10
> +			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>;
> +	};

t* should be after s*

> +
> +	soc {
> +		compatible = "simple-bus";
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges;