* [PATCH] ARM: at91: sama5d3: add usart dma configurations
@ 2014-08-12 14:37 Ludovic Desroches
[not found] ` <1407854277-328-1-git-send-email-ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Ludovic Desroches @ 2014-08-12 14:37 UTC (permalink / raw)
To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
devicetree-u79uwXL29TY76Z2rM5mHXA
Cc: nicolas.ferre-AIFe0yeh4nAAvxtiuMwx3w,
plagnioj-sclMFOaUSTBWk0Htik3J/w, Ludovic Desroches
Add the DMA configuration for USARTs mainly because it is not obvious to
add the FIFO flag which is needed for rx.
Signed-off-by: Ludovic Desroches <ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
---
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>;
--
1.7.9.5
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^ permalink raw reply related [flat|nested] 2+ messages in thread[parent not found: <1407854277-328-1-git-send-email-ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>]
* Re: [PATCH] ARM: at91: sama5d3: add usart dma configurations [not found] ` <1407854277-328-1-git-send-email-ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org> @ 2014-08-12 17:08 ` Nicolas Ferre 0 siblings, 0 replies; 2+ messages in thread From: Nicolas Ferre @ 2014-08-12 17:08 UTC (permalink / raw) To: Ludovic Desroches, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, devicetree-u79uwXL29TY76Z2rM5mHXA Cc: plagnioj-sclMFOaUSTBWk0Htik3J/w 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 -- 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 ^ permalink raw reply [flat|nested] 2+ messages in thread
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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
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