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ARM: at91: at91sam9x5 dt: add usart dma definitions to dt

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This patch adds usart dma definitions to both dtsi for sam9x5 chips. Without
usage of dma it's unable to catch all bytes on usart receiver.

Signed-off-by: Jiri Prchal <jiri.prchal@aksignal.cz>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This commit is contained in:
Jiri Prchal 2014-10-13 11:02:16 +02:00 committed by Nicolas Ferre
parent cac7f24298
commit dd4f25a3ed
2 changed files with 15 additions and 0 deletions
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12
arch/arm/boot/dts/at91sam9x5.dtsi
View file

@ -860,6 +860,9 @@ dbgu: serial@fffff200 {
interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_dbgu>;
dmas = <&dma1 1 AT91_DMA_CFG_PER_ID(8)>,
<&dma1 1 (AT91_DMA_CFG_PER_ID(9) | AT91_DMA_CFG_FIFOCFG_ASAP)>;
dma-names = "tx", "rx";
clocks = <&mck>;
clock-names = "usart";
status = "disabled";
@ -871,6 +874,9 @@ usart0: serial@f801c000 {
interrupts = <5 IRQ_TYPE_LEVEL_HIGH 5>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart0>;
dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(3)>,
<&dma0 1 (AT91_DMA_CFG_PER_ID(4) | AT91_DMA_CFG_FIFOCFG_ASAP)>;
dma-names = "tx", "rx";
clocks = <&usart0_clk>;
clock-names = "usart";
status = "disabled";
@ -882,6 +888,9 @@ usart1: serial@f8020000 {
interrupts = <6 IRQ_TYPE_LEVEL_HIGH 5>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart1>;
dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(5)>,
<&dma0 1 (AT91_DMA_CFG_PER_ID(6) | AT91_DMA_CFG_FIFOCFG_ASAP)>;
dma-names = "tx", "rx";
clocks = <&usart1_clk>;
clock-names = "usart";
status = "disabled";
@ -893,6 +902,9 @@ usart2: serial@f8024000 {
interrupts = <7 IRQ_TYPE_LEVEL_HIGH 5>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart2>;
dmas = <&dma1 1 AT91_DMA_CFG_PER_ID(12)>,
<&dma1 1 (AT91_DMA_CFG_PER_ID(13) | AT91_DMA_CFG_FIFOCFG_ASAP)>;
dma-names = "tx", "rx";
clocks = <&usart2_clk>;
clock-names = "usart";
status = "disabled";

3
arch/arm/boot/dts/at91sam9x5_usart3.dtsi
View file

@ -57,6 +57,9 @@ usart3: serial@f8028000 {
interrupts = <8 IRQ_TYPE_LEVEL_HIGH 5>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart3>;
dmas = <&dma1 1 AT91_DMA_CFG_PER_ID(14)>,
<&dma1 1 (AT91_DMA_CFG_PER_ID(15) | AT91_DMA_CFG_FIFOCFG_ASAP)>;
dma-names = "tx", "rx";
clocks = <&usart3_clk>;
clock-names = "usart";
status = "disabled";