[PATCH v2] ARM: dts: add AM33XX EDMA support
Benoit Cousson
bcousson at baylibre.com
Wed Sep 4 12:31:53 EDT 2013
Hi Joel,
On 31/08/2013 03:19, Joel Fernandes wrote:
> Hi Benoit,
>
> On 08/26/2013 03:36 AM, Benoit Cousson wrote:
>> - minus all the TI emails which are not working anymore :-(
>>
>> I've just sent my previous email too soon...
>>
>> Now the patch is different :-) I'll take that one.
>
> Unfortunately this patch is still missing from your latest pull request:
Indeed, it was supposed to be applied on 3.13 only. It just came too
late for 3.12.
Regards,
Benoit
> Subject "[GIT PULL] ARM: OMAP: Device Tree for 3.12 take #2"
> git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-omap-dt.git
> tags/for_3.12/dts_signed (commit 4843be165c10f9886c87eeb20acf19a3ddec6653)
>
> Below is a scissor patch that cleanly applies on above branch.
>
> Thanks,
>
> -Joel
>
> --->8----
> From: Matt Porter <mporter at ti.com>
> Subject: [PATCH] ARM: dts: add AM33XX EDMA support
>
> Adds AM33XX EDMA support to the am33xx.dtsi as documented in
> Documentation/devicetree/bindings/dma/ti-edma.txt
>
> v2 changes:
> Drop DT entries that are non-hardware-description Joel Fernandes <joelf at ti.com>
> Discussion in [1].
>
> v3 changes: Changed node name from "edma: edma@" to "edma: dma-controller@"
> by Sebastian Andrzej Siewior <bigeasy at linutronix.de>
>
> [1] https://patchwork.kernel.org/patch/2226761/
>
> Signed-off-by: Matt Porter <mporter at ti.com>
> Signed-off-by: Joel A Fernandes <joelagnel at ti.com>
> ---
> arch/arm/boot/dts/am33xx.dtsi | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
> index 5996d63..f5869ed 100644
> --- a/arch/arm/boot/dts/am33xx.dtsi
> +++ b/arch/arm/boot/dts/am33xx.dtsi
> @@ -101,6 +101,18 @@
> reg = <0x48200000 0x1000>;
> };
>
> + edma: dma-controller at 49000000 {
> + compatible = "ti,edma3";
> + ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2";
> + reg = <0x49000000 0x10000>,
> + <0x44e10f90 0x10>;
> + interrupts = <12 13 14>;
> + #dma-cells = <1>;
> + dma-channels = <64>;
> + ti,edma-regions = <4>;
> + ti,edma-slots = <256>;
> + };
> +
> gpio0: gpio at 44e07000 {
> compatible = "ti,omap4-gpio";
> ti,hwmods = "gpio1";
>
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