linux-kernel - Re: [PATCH v1 1/2] ARM: dts: vfxxx: Enable DMA for DSPI on Vybrid

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Date:   Mon, 03 Oct 2016 11:05:59 -0700
From:   Stefan Agner <stefan@...er.ch>
To:     Sanchayan Maity <maitysanchayan@...il.com>
Cc:     broonie@...nel.org, shawnguo@...nel.org, linux-spi@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, bhuvanchandra.dv@...adex.com
Subject: Re: [PATCH v1 1/2] ARM: dts: vfxxx: Enable DMA for DSPI on Vybrid

On 2016-10-03 05:50, Sanchayan Maity wrote:
> Enable DMA for DSPI on Vybrid.

Hm, we have that in 4.4 already, is that meant for 4.1?

> 
> Signed-off-by: Sanchayan Maity <maitysanchayan@...il.com>
> ---
>  arch/arm/boot/dts/vf-colibri.dtsi | 4 ++++
>  arch/arm/boot/dts/vfxxx.dtsi      | 6 ++++++
>  2 files changed, 10 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/vf-colibri.dtsi
> b/arch/arm/boot/dts/vf-colibri.dtsi
> index b741709..21bfef9 100644
> --- a/arch/arm/boot/dts/vf-colibri.dtsi
> +++ b/arch/arm/boot/dts/vf-colibri.dtsi
> @@ -108,6 +108,10 @@
>  	status = "okay";
>  };
>  
> +&edma1 {
> +	status = "okay";
> +};
> +
>  &esdhc1 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_esdhc1>;
> diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi
> index 2c13ec6..eac4213 100644
> --- a/arch/arm/boot/dts/vfxxx.dtsi
> +++ b/arch/arm/boot/dts/vfxxx.dtsi
> @@ -194,6 +194,9 @@
>  				clocks = <&clks VF610_CLK_DSPI0>;
>  				clock-names = "dspi";
>  				spi-num-chipselects = <6>;
> +				dmas = <&edma1 1 12>,
> +					<&edma1 1 13>;
> +				dma-names = "rx", "tx";
>  				status = "disabled";
>  			};
>  
> @@ -206,6 +209,9 @@
>  				clocks = <&clks VF610_CLK_DSPI1>;
>  				clock-names = "dspi";
>  				spi-num-chipselects = <4>;
> +				dmas = <&edma1 1 14>,
> +					<&edma1 1 15>;
> +				dma-names = "rx", "tx";
>  				status = "disabled";
>  			};