From: Nicolas Ferre <nicolas.ferre-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
To: Ludovic Desroches
<ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org
Subject: Re: [PATCH] ARM: at91: sama5d3: add usart dma configurations
Date: Tue, 12 Aug 2014 19:08:53 +0200 [thread overview]
Message-ID: <53EA4A25.1040707@atmel.com> (raw)
In-Reply-To: <1407854277-328-1-git-send-email-ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
On 12/08/2014 16:37, Ludovic Desroches :
> Add the DMA configuration for USARTs mainly because it is not obvious to
> add the FIFO flag which is needed for rx.
Indeed.
> Signed-off-by: Ludovic Desroches <ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
Acked-by: Nicolas Ferre <nicolas.ferre-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
Thanks, best regards,
> ---
> arch/arm/boot/dts/sama5d3.dtsi | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi
> index e0b15a6..829c162 100644
> --- a/arch/arm/boot/dts/sama5d3.dtsi
> +++ b/arch/arm/boot/dts/sama5d3.dtsi
> @@ -177,6 +177,9 @@
> compatible = "atmel,at91sam9260-usart";
> reg = <0xf001c000 0x100>;
> interrupts = <12 IRQ_TYPE_LEVEL_HIGH 5>;
> + dmas = <&dma0 2 AT91_DMA_CFG_PER_ID(3)>,
> + <&dma0 2 (AT91_DMA_CFG_PER_ID(4) | AT91_DMA_CFG_FIFOCFG_ASAP)>;
> + dma-names = "tx", "rx";
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_usart0>;
> clocks = <&usart0_clk>;
> @@ -188,6 +191,9 @@
> compatible = "atmel,at91sam9260-usart";
> reg = <0xf0020000 0x100>;
> interrupts = <13 IRQ_TYPE_LEVEL_HIGH 5>;
> + dmas = <&dma0 2 AT91_DMA_CFG_PER_ID(5)>,
> + <&dma0 2 (AT91_DMA_CFG_PER_ID(6) | AT91_DMA_CFG_FIFOCFG_ASAP)>;
> + dma-names = "tx", "rx";
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_usart1>;
> clocks = <&usart1_clk>;
> @@ -333,6 +339,9 @@
> compatible = "atmel,at91sam9260-usart";
> reg = <0xf8020000 0x100>;
> interrupts = <14 IRQ_TYPE_LEVEL_HIGH 5>;
> + dmas = <&dma1 2 AT91_DMA_CFG_PER_ID(7)>,
> + <&dma1 2 (AT91_DMA_CFG_PER_ID(8) | AT91_DMA_CFG_FIFOCFG_ASAP)>;
> + dma-names = "tx", "rx";
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_usart2>;
> clocks = <&usart2_clk>;
> @@ -344,6 +353,9 @@
> compatible = "atmel,at91sam9260-usart";
> reg = <0xf8024000 0x100>;
> interrupts = <15 IRQ_TYPE_LEVEL_HIGH 5>;
> + dmas = <&dma1 2 AT91_DMA_CFG_PER_ID(9)>,
> + <&dma1 2 (AT91_DMA_CFG_PER_ID(10) | AT91_DMA_CFG_FIFOCFG_ASAP)>;
> + dma-names = "tx", "rx";
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_usart3>;
> clocks = <&usart3_clk>;
> @@ -410,6 +422,9 @@
> compatible = "atmel,at91sam9260-usart";
> reg = <0xffffee00 0x200>;
> interrupts = <2 IRQ_TYPE_LEVEL_HIGH 7>;
> + dmas = <&dma1 2 AT91_DMA_CFG_PER_ID(13)>,
> + <&dma1 2 (AT91_DMA_CFG_PER_ID(14) | AT91_DMA_CFG_FIFOCFG_ASAP)>;
> + dma-names = "tx", "rx";
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_dbgu>;
> clocks = <&dbgu_clk>;
>
--
Nicolas Ferre
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prev parent reply other threads:[~2014-08-12 17:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-12 14:37 [PATCH] ARM: at91: sama5d3: add usart dma configurations Ludovic Desroches
[not found] ` <1407854277-328-1-git-send-email-ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
2014-08-12 17:08 ` Nicolas Ferre [this message]
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