linux-kernel - Re: [PATCH v2 4/5] ARM: dts: DRA7: add entry for qspi mmap region

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Message-ID: <20151105163658.GA28885@rob-hp-laptop>
Date:	Thu, 5 Nov 2015 10:36:58 -0600
From:	Rob Herring <robh@...nel.org>
To:	Vignesh R <vigneshr@...com>
Cc:	Mark Brown <broonie@...nel.org>, Tony Lindgren <tony@...mide.com>,
	Michal Suchanek <hramrach@...il.com>,
	Russell King <linux@....linux.org.uk>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mtd@...ts.infradead.org, linux-spi@...r.kernel.org
Subject: Re: [PATCH v2 4/5] ARM: dts: DRA7: add entry for qspi mmap region

On Tue, Nov 03, 2015 at 03:36:13PM +0530, Vignesh R wrote:
> Add qspi memory mapped region entries for DRA7xx based SoCs. Also,
> update the binding documents for the controller to document this change.
> 
> Signed-off-by: Vignesh R <vigneshr@...com>

You don't really need an example for every possibility, but

Acked-by: Rob Herring <robh@...nel.org>

> ---
>  Documentation/devicetree/bindings/spi/ti_qspi.txt | 13 +++++++++++++
>  arch/arm/boot/dts/dra7.dtsi                       |  6 ++++--
>  2 files changed, 17 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/spi/ti_qspi.txt b/Documentation/devicetree/bindings/spi/ti_qspi.txt
> index 601a360531a5..f05dd631bef1 100644
> --- a/Documentation/devicetree/bindings/spi/ti_qspi.txt
> +++ b/Documentation/devicetree/bindings/spi/ti_qspi.txt
> @@ -26,3 +26,16 @@ qspi: qspi@...00000 {
>  	spi-max-frequency = <25000000>;
>  	ti,hwmods = "qspi";
>  };
> +
> +For dra7xx:
> +qspi: qspi@...00000 {
> +	compatible = "ti,dra7xxx-qspi";
> +	reg = <0x4b300000 0x100>, <0x4a002558 0x4>,
> +	      <0x5c000000 0x4000000>;
> +	reg-names = "qspi_base", "qspi_ctrlmod",
> +		    "qspi_mmap";
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	spi-max-frequency = <48000000>;
> +	ti,hwmods = "qspi";
> +};
> diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
> index e289c706d27d..13c2f10ec217 100644
> --- a/arch/arm/boot/dts/dra7.dtsi
> +++ b/arch/arm/boot/dts/dra7.dtsi
> @@ -1108,8 +1108,10 @@
>  
>  		qspi: qspi@...00000 {
>  			compatible = "ti,dra7xxx-qspi";
> -			reg = <0x4b300000 0x100>;
> -			reg-names = "qspi_base";
> +			reg = <0x4b300000 0x100>, <0x4a002558 0x4>,
> +			      <0x5c000000 0x4000000>;
> +			reg-names = "qspi_base", "qspi_ctrlmod",
> +				    "qspi_mmap";
>  			#address-cells = <1>;
>  			#size-cells = <0>;
>  			ti,hwmods = "qspi";
> -- 
> 2.6.2
> 
> --
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