From mboxrd@z Thu Jan 1 00:00:00 1970 From: nicolas.ferre@atmel.com (Nicolas Ferre) Date: Tue, 12 Aug 2014 19:08:53 +0200 Subject: [PATCH] ARM: at91: sama5d3: add usart dma configurations In-Reply-To: <1407854277-328-1-git-send-email-ludovic.desroches@atmel.com> References: <1407854277-328-1-git-send-email-ludovic.desroches@atmel.com> Message-ID: <53EA4A25.1040707@atmel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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 Acked-by: Nicolas Ferre 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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolas Ferre Subject: Re: [PATCH] ARM: at91: sama5d3: add usart dma configurations Date: Tue, 12 Aug 2014 19:08:53 +0200 Message-ID: <53EA4A25.1040707@atmel.com> References: <1407854277-328-1-git-send-email-ludovic.desroches@atmel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1407854277-328-1-git-send-email-ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Ludovic Desroches , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org List-Id: devicetree@vger.kernel.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 Acked-by: Nicolas Ferre 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html