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ARM: at91: sama5d3: add usart dma configurations

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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@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This commit is contained in:
Ludovic Desroches 2014-08-12 16:37:57 +02:00 committed by Nicolas Ferre
parent 5f81573096
commit d24cd78399
1 changed files with 15 additions and 0 deletions
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15
arch/arm/boot/dts/sama5d3.dtsi
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@ -177,6 +177,9 @@ usart0: serial@f001c000 {
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 @@ usart1: serial@f0020000 {
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 @@ usart2: serial@f8020000 {
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 @@ usart3: serial@f8024000 {
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>;
@ -412,6 +424,9 @@ dbgu: serial@ffffee00 {
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>;