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| author | John Klug <john.klug@multitech.com> | 2021-10-05 15:43:02 -0500 |
|---|---|---|
| committer | John Klug <john.klug@multitech.com> | 2021-10-05 15:43:02 -0500 |
| commit | cf55044d78d9c9c12c1e51e56ac127fc9131f0a3 (patch) | |
| tree | 7c81075d55507e6c83404e8477f40f3a68a0ce93 | |
| parent | 13f9f481382a913c8ffd3a2c8f2c279725831829 (diff) | |
| download | meta-multitech-atmel-cf55044d78d9c9c12c1e51e56ac127fc9131f0a3.tar.gz meta-multitech-atmel-cf55044d78d9c9c12c1e51e56ac127fc9131f0a3.tar.bz2 meta-multitech-atmel-cf55044d78d9c9c12c1e51e56ac127fc9131f0a3.zip | |
Disable usart3 by default, enable with overlay
| -rw-r--r-- | recipes-kernel/linux/linux-at91-5.4.81/mts-dts/mtrv1.dts | 44 |
1 files changed, 10 insertions, 34 deletions
diff --git a/recipes-kernel/linux/linux-at91-5.4.81/mts-dts/mtrv1.dts b/recipes-kernel/linux/linux-at91-5.4.81/mts-dts/mtrv1.dts index 82cc588..b215760 100644 --- a/recipes-kernel/linux/linux-at91-5.4.81/mts-dts/mtrv1.dts +++ b/recipes-kernel/linux/linux-at91-5.4.81/mts-dts/mtrv1.dts @@ -15,6 +15,7 @@ #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/clock/at91.h> +#include "at91sam9x5_usart3.dtsi" / { @@ -29,6 +30,7 @@ serial1 = &uart0; serial2 = &usart1; serial3 = &usart2; + serial4 = &usart3; gpio0 = &pioA; gpio1 = &pioB; gpio2 = &pioC; @@ -396,29 +398,6 @@ }; }; - usart3 { - pinctrl_usart3: usart3-0 { - atmel,pins = - <AT91_PIOC 22 AT91_PERIPH_B AT91_PINCTRL_NONE - AT91_PIOC 23 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>; - }; - - pinctrl_usart3_rts: usart3_rts-0 { - atmel,pins = - <AT91_PIOC 24 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC24 periph B */ - }; - - pinctrl_usart3_cts: usart3_cts-0 { - atmel,pins = - <AT91_PIOC 25 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC25 periph B */ - }; - - pinctrl_usart3_sck: usart3_sck-0 { - atmel,pins = - <AT91_PIOC 26 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC26 periph B */ - }; - }; - uart0 { pinctrl_uart0: uart0-0 { atmel,pins = @@ -453,6 +432,10 @@ }; }; + usart3 { + /delete-node/ usart3_sck-0; + }; + mts-io { pinctrl_mts_io_out: mts_io-0 { atmel,pins = @@ -952,17 +935,10 @@ }; usart3: serial@f8028000 { - compatible = "atmel,at91sam9260-usart"; - reg = <0xf8028000 0x200>; - 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 = <&pmc PMC_TYPE_PERIPHERAL 8>; - clock-names = "usart"; - status = "okay"; + atmel,use-dma-rx; + atmel,use-dma-tx; + pinctrl-0 = <&pinctrl_usart3 &pinctrl_usart3_rts &pinctrl_usart3_cts>; + status = "disabled"; }; uart0: serial@f8040000 { |