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Date: Fri, 9 Mar 2018 15:38:57 +0200
From: Priit Laes <plaes@plaes.org>
To: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-sunxi@googlegroups.com, Icenowy Zheng <icenowy@aosc.xyz>,
        Florent Revest <revestflo@gmail.com>,
        Alexandre Courbot <acourbot@chromium.org>,
        Hans Verkuil <hans.verkuil@cisco.com>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Sakari Ailus <sakari.ailus@linux.intel.com>,
        Maxime Ripard <maxime.ripard@bootlin.com>,
        Thomas van Kleef <thomas@vitsch.nl>,
        "Signed-off-by : Bob Ham" <rah@settrans.net>,
        Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
        Chen-Yu Tsai <wens@csie.org>
Subject: Re: [linux-sunxi] [PATCH 6/9] sunxi-cedrus: Add device tree binding
 document
Message-ID: <20180309133857.GA20392@solar>
References: <20180309100933.15922-3-paul.kocialkowski@bootlin.com>
 <20180309101445.16190-4-paul.kocialkowski@bootlin.com>
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On Fri, Mar 09, 2018 at 11:14:42AM +0100, Paul Kocialkowski wrote:
> From: Florent Revest <florent.revest@free-electrons.com>
> 
> Device Tree bindings for the Allwinner's video engine
> 
> Signed-off-by: Florent Revest <florent.revest@free-electrons.com>
> ---
>  .../devicetree/bindings/media/sunxi-cedrus.txt     | 44 ++++++++++++++++++++++
>  1 file changed, 44 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/sunxi-cedrus.txt
> 
> diff --git a/Documentation/devicetree/bindings/media/sunxi-cedrus.txt b/Documentation/devicetree/bindings/media/sunxi-cedrus.txt
> new file mode 100644
> index 000000000000..138581113c49
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/sunxi-cedrus.txt
> @@ -0,0 +1,44 @@
> +Device-Tree bindings for SUNXI video engine found in sunXi SoC family
> +
> +Required properties:
> +- compatible	    : "allwinner,sun4i-a10-video-engine";
> +- memory-region     : DMA pool for buffers allocation;
> +- clocks	    : list of clock specifiers, corresponding to
> +		      entries in clock-names property;
> +- clock-names	    : should contain "ahb", "mod" and "ram" entries;
> +- resets	    : phandle for reset;
> +- interrupts	    : should contain VE interrupt number;
> +- reg		    : should contain register base and length of VE.
> +
> +Example:
> +
> +reserved-memory {
> +	#address-cells = <1>;
> +	#size-cells = <1>;
> +	ranges;
> +
> +	ve_reserved: cma {
> +		compatible = "shared-dma-pool";
> +		reg = <0x43d00000 0x9000000>;
> +		no-map;
> +		linux,cma-default;
> +	};
> +};
> +
> +video-engine {
> +	compatible = "allwinner,sun4i-a10-video-engine";
> +	memory-region = <&ve_reserved>;
> +
> +	clocks = <&ahb_gates 32>, <&ccu CLK_VE>,
> +		 <&dram_gates 0>;

This should be updated to sunxi-ng clocks:

clocks = <&ccu CLK_BUS_VE>, <&ccu CLK_VE>, <&ccu CLK_DRAM_VE>;

> +	clock-names = "ahb", "mod", "ram";
> +
> +	assigned-clocks = <&ccu CLK_VE>;
> +	assigned-clock-rates = <320000000>;
> +
> +	resets = <&ccu RST_VE>;
> +
> +	interrupts = <53>;
> +
> +	reg = <0x01c0e000 4096>;
> +};
> -- 
> 2.16.2
> 
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