linux-kernel - Re: [PATCH v4 5/7] arm64: dts: add Allwinner A64 SoC .dtsi

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Message-ID: <20160810200034.GA14244@rob-hp-laptop>
Date:	Wed, 10 Aug 2016 15:00:34 -0500
From:	Rob Herring <robh@...nel.org>
To:	Andre Przywara <andre.przywara@....com>
Cc:	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Chen-Yu Tsai <wens@...e.org>, linux-sunxi@...glegroups.com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: Re: [PATCH v4 5/7] arm64: dts: add Allwinner A64 SoC .dtsi

On Mon, Aug 08, 2016 at 06:21:47PM +0100, Andre Przywara wrote:
> The Allwinner A64 SoC is a low-cost chip with 4 ARM Cortex-A53 cores
> and the typical tablet / TV box peripherals.
> The SoC is based on the (32-bit) Allwinner H3 chip, sharing most of
> the peripherals and the memory map.
> Although the cores are proper 64-bit ones, the whole SoC is actually
> limited to 4GB (including all the supported DRAM), so we use 32-bit
> address and size cells. This has the nice feature of us being able to
> reuse the DT for 32-bit kernels as well.
> This .dtsi lists the hardware that we support so far.
> 
> Signed-off-by: Andre Przywara <andre.przywara@....com>
> ---
> Hi,
> 
> I dropped Rob's previous ACK, as there were quite some changes.
> 
> Cheers,
> Andre.
> 
>  Documentation/devicetree/bindings/arm/sunxi.txt    |   1 +
>  .../boot/dts/allwinner/sun50i-a64-clocks.dtsi      | 140 ++++++++
>  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi      | 398 +++++++++++++++++++++
>  3 files changed, 539 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64-clocks.dtsi
>  create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> 
> diff --git a/Documentation/devicetree/bindings/arm/sunxi.txt b/Documentation/devicetree/bindings/arm/sunxi.txt
> index 7e79fcc..7e59d8b 100644
> --- a/Documentation/devicetree/bindings/arm/sunxi.txt
> +++ b/Documentation/devicetree/bindings/arm/sunxi.txt
> @@ -14,3 +14,4 @@ using one of the following compatible strings:
>    allwinner,sun8i-a83t
>    allwinner,sun8i-h3
>    allwinner,sun9i-a80
> +  allwinner,sun50i-a64
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-clocks.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-clocks.dtsi
> new file mode 100644
> index 0000000..9bfcd41
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-clocks.dtsi
> @@ -0,0 +1,140 @@
> +/*
> + * Allwinner A64 clocks
> + *
> + * Copyright (c) 2016 ARM Ltd
> + *
> + * This file is licensed under a dual GPLv2 or BSD license.
> + *
> + */
> +
> +	osc24M: osc24M_clk {

Drop the '_' in the node names here and throughout.

Rob