linux-kernel - Re: [PATCH 4/5] ARM: dts: am437x/am33xx/omap3/dm816x: Add gpmc dma channel

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Date:	Wed, 14 Oct 2015 14:44:25 +0300
From:	Roger Quadros <rogerq@...com>
To:	Franklin S Cooper Jr <fcooper@...com>,
	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-omap@...r.kernel.org>, <linux-mtd@...ts.infradead.org>,
	<nsekhar@...com>, <computersforpeace@...il.com>,
	<dwmw2@...radead.org>, <tony@...mide.com>
Subject: Re: [PATCH 4/5] ARM: dts: am437x/am33xx/omap3/dm816x: Add gpmc dma
 channel

On 13/10/15 04:38, Franklin S Cooper Jr wrote:
> Add dma channel information to the gpmc. Although not enabled by
> default this will allow prefetch-dma to be used.
> 
> Signed-off-by: Franklin S Cooper Jr <fcooper@...com>
> ---
>  arch/arm/boot/dts/am33xx.dtsi | 2 ++
>  arch/arm/boot/dts/am4372.dtsi | 2 ++
>  arch/arm/boot/dts/dm816x.dtsi | 2 ++
>  arch/arm/boot/dts/omap3.dtsi  | 2 ++

How about fixing up omap4/5 and dra7 as well?

cheers,
-roger

>  4 files changed, 8 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
> index e065f21..f2d8eed 100644
> --- a/arch/arm/boot/dts/am33xx.dtsi
> +++ b/arch/arm/boot/dts/am33xx.dtsi
> @@ -819,6 +819,8 @@
>  			ti,no-idle-on-init;
>  			reg = <0x50000000 0x2000>;
>  			interrupts = <100>;
> +			dmas = <&edma 52>;
> +			dma-names = "rxtx";
>  			gpmc,num-cs = <7>;
>  			gpmc,num-waitpins = <2>;
>  			#address-cells = <2>;
> diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
> index ec8b7a3..c02061b 100644
> --- a/arch/arm/boot/dts/am4372.dtsi
> +++ b/arch/arm/boot/dts/am4372.dtsi
> @@ -841,6 +841,8 @@
>  		gpmc: gpmc@...00000 {
>  			compatible = "ti,am3352-gpmc";
>  			ti,hwmods = "gpmc";
> +			dmas = <&edma 52>;
> +			dma-names = "rxtx";
>  			clocks = <&l3s_gclk>;
>  			clock-names = "fck";
>  			reg = <0x50000000 0x2000>;
> diff --git a/arch/arm/boot/dts/dm816x.dtsi b/arch/arm/boot/dts/dm816x.dtsi
> index 68fb444..d2e5d31 100644
> --- a/arch/arm/boot/dts/dm816x.dtsi
> +++ b/arch/arm/boot/dts/dm816x.dtsi
> @@ -180,6 +180,8 @@
>  			#address-cells = <2>;
>  			#size-cells = <1>;
>  			interrupts = <100>;
> +			dmas = <&edma 52>;
> +			dma-names = "rxtx";
>  			gpmc,num-cs = <6>;
>  			gpmc,num-waitpins = <2>;
>  			gpio-controller;
> diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
> index 7f212b6..9dbbcf6 100644
> --- a/arch/arm/boot/dts/omap3.dtsi
> +++ b/arch/arm/boot/dts/omap3.dtsi
> @@ -717,6 +717,8 @@
>  			ti,hwmods = "gpmc";
>  			reg = <0x6e000000 0x02d0>;
>  			interrupts = <20>;
> +			dmas = <&sdma 4>;
> +			dma-names = "rxtx";
>  			gpmc,num-cs = <8>;
>  			gpmc,num-waitpins = <4>;
>  			#address-cells = <2>;
> 
--
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