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

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 @@
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 @@
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 @@
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 @@
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 @@
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";