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Commit 2197cf70 authored by Nicolas Ferre's avatar Nicolas Ferre
Browse files

Merge tag 'at91-cleanup2' into at91-4.1-multiplatform 

Second batch of cleanup for 4.1:
- remove unused matrix header files
- dbgu + chip identification: new driver for SoC detection
  this allow to remove all additional io mapping
- remove old non-standard AT91 setup code
parents 8e6de970 598e0855

Documentation/devicetree/bindings/serial/atmel-usart.txt

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* Atmel Universal Synchronous Asynchronous Receiver/Transmitter (USART)



Required properties:

- compatible: Should be "atmel,<chip>-usart"

- compatible: Should be "atmel,<chip>-usart" or "atmel,<chip>-dbgu"

  The compatible <chip> indicated will be the first SoC to support an

  additional mode or an USART new feature.

  For the dbgu UART, use "atmel,<chip>-dbgu", "atmel,<chip>-usart"

- reg: Should contain registers location and length

- interrupts: Should contain interrupt

- clock-names: tuple listing input clock names.

arch/arm/Kconfig

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@@ -361,9 +361,9 @@ config ARCH_AT91 
	select ARCH_REQUIRE_GPIOLIB

	select CLKDEV_LOOKUP

	select IRQ_DOMAIN

	select NEED_MACH_IO_H if PCCARD

	select PINCTRL

	select PINCTRL_AT91

	select SOC_BUS

	select USE_OF

	help

	  This enables support for systems based on Atmel

arch/arm/boot/dts/at91rm9200.dtsi

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@@ -830,7 +830,7 @@ 
			};



			dbgu: serial@fffff200 {

				compatible = "atmel,at91rm9200-usart";

				compatible = "atmel,at91rm9200-dbgu", "atmel,at91rm9200-usart";

				reg = <0xfffff200 0x200>;

				interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;

				pinctrl-names = "default";

arch/arm/boot/dts/at91sam9260.dtsi

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@@ -753,7 +753,7 @@ 
			};



			dbgu: serial@fffff200 {

				compatible = "atmel,at91sam9260-usart";

				compatible = "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart";

				reg = <0xfffff200 0x200>;

				interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;

				pinctrl-names = "default";

arch/arm/boot/dts/at91sam9261.dtsi

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@@ -276,7 +276,7 @@ 
			};



			dbgu: serial@fffff200 {

				compatible = "atmel,at91sam9260-usart";

				compatible = "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart";

				reg = <0xfffff200 0x200>;

				interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;

				pinctrl-names = "default";