linux-kernel - Re: [PATCH v2] arm/dts: AM33XX: Add SPI device tree data

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Date:	Fri, 19 Oct 2012 10:24:15 +0200
From:	Benoit Cousson <b-cousson@...com>
To:	"Philip, Avinash" <avinashphilip@...com>
CC:	<linux@....linux.org.uk>, <tony@...mide.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<nsekhar@...com>, <gururaja.hebbar@...com>
Subject: Re: [PATCH v2] arm/dts: AM33XX: Add SPI device tree data

Hi Avinash,

This look good to me except the: status = "disabled".

The "disabled" should be reserved for variant that does not contain the IP.
Is it the case here?

Regards,
Benoit

On 09/18/2012 07:30 AM, Philip, Avinash wrote:
> Add McSPI data node to AM33XX device tree file. The McSPI module (and so
> as the driver) is reused from OMAP4.
> 
> Signed-off-by: Philip, Avinash <avinashphilip@...com>
> Tested-by: Matt Porter <mporter@...com>
> ---
> Changes since v1:
>         - Corrected reg offset in reg DT entry.
> 
> :100644 100644 ff3badb... 065fd54... M	arch/arm/boot/dts/am33xx.dtsi
>  arch/arm/boot/dts/am33xx.dtsi |   25 +++++++++++++++++++++++++
>  1 files changed, 25 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
> index ff3badb..065fd54 100644
> --- a/arch/arm/boot/dts/am33xx.dtsi
> +++ b/arch/arm/boot/dts/am33xx.dtsi
> @@ -219,5 +219,30 @@
>  			interrupt-parent = <&intc>;
>  			interrupts = <91>;
>  		};
> +
> +		spi0: spi@...30000 {
> +			compatible = "ti,omap4-mcspi";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <0x48030000 0x400>;
> +			interrupt-parent = <&intc>;
> +			interrupt = <65>;
> +			ti,spi-num-cs = <2>;
> +			ti,hwmods = "spi0";
> +			status = "disabled";
> +
> +		};
> +
> +		spi1: spi@...a0000 {
> +			compatible = "ti,omap4-mcspi";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <0x481a0000 0x400>;
> +			interrupt-parent = <&intc>;
> +			interrupt = <125>;
> +			ti,spi-num-cs = <2>;
> +			ti,hwmods = "spi1";
> +			status = "disabled";
> +		};
>  	};
>  };
> 

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