linux-kernel - Re: [PATCH 02/12] mfd: syscon: Add Atmel Matrix bus DT binding documentation

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Date:	Sun, 18 Jan 2015 12:53:18 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Cc:	Felipe Balbi <balbi@...com>,
	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Arnd Bergmann <arnd@...db.de>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Jean-Jacques Hiblot <jjhiblot@...phandler.com>
Subject: Re: [PATCH 02/12] mfd: syscon: Add Atmel Matrix bus DT binding
 documentation

On Wed, 14 Jan 2015, Alexandre Belloni wrote:

> From: Boris Brezillon <boris.brezillon@...e-electrons.com>
> 
> The Matrix registers are provided to configure internal bus behavior on
> at91 SoCs.
> Some registers might be accessed by several drivers (e.g. to configure
> external memory bus timings), hence we declare this register set as a
> syscon device.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon@...e-electrons.com>
> Acked-by: Lee Jones <lee.jones@...aro.org>
> ---
>  .../devicetree/bindings/mfd/atmel-matrix.txt       | 24 ++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/atmel-matrix.txt

Applied, thanks.
 
> diff --git a/Documentation/devicetree/bindings/mfd/atmel-matrix.txt b/Documentation/devicetree/bindings/mfd/atmel-matrix.txt
> new file mode 100644
> index 000000000000..e3ef50ca02a5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/atmel-matrix.txt
> @@ -0,0 +1,24 @@
> +* Device tree bindings for Atmel Bus Matrix
> +
> +The Bus Matrix registers are used to configure Atmel SoCs internal bus
> +behavior (master/slave priorities, undefined burst length type, ...)
> +
> +Required properties:
> +- compatible:		Should be one of the following
> +			"atmel,at91sam9260-matrix", "syscon"
> +			"atmel,at91sam9261-matrix", "syscon"
> +			"atmel,at91sam9263-matrix", "syscon"
> +			"atmel,at91sam9rl-matrix", "syscon"
> +			"atmel,at91sam9g45-matrix", "syscon"
> +			"atmel,at91sam9n12-matrix", "syscon"
> +			"atmel,at91sam9x5-matrix", "syscon"
> +			"atmel,sama5d3-matrix", "syscon"
> +- reg:			Contains offset/length value of the Bus Matrix
> +			memory region.
> +
> +Example:
> +
> +matrix: matrix@...fec00 {
> +	compatible = "atmel,sama5d3-matrix", "syscon";
> +	reg = <0xffffec00 0x200>;
> +};

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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