| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354 | diff -Naur linux-4.7.3/arch/avr32/boards/grasshopper/Kconfig linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/Kconfig--- linux-4.7.3/arch/avr32/boards/grasshopper/Kconfig	2016-09-20 11:43:03.645251779 +0200+++ linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/Kconfig	2016-09-20 11:58:20.129642638 +0200@@ -49,4 +49,21 @@ 	depends on I2C && I2C_GPIO 	default y +config BOARD_GRASSHOPPER_USART0+	bool "Enable USART0"+	depends on SERIAL_ATMEL_PDC+	default n+	help+	  USART0 is mapped to /dev/ttyS1 (or /dev/ttyAT1 resp.) and available via+	  connector J6 and J13.++config BOARD_GRASSHOPPER_USART1+	bool "Enable USART1 (CP2102 USB-Interface)"+	depends on SERIAL_ATMEL_PDC+	default y+	help+	  USART1 is mapped to /dev/ttyS0 (or /dev/ttyAT0 resp.) and available via+	  the CP2002 USB-USART-bridge. If you disable this option, you won't be+	  able to access the serial console, so it is recommended to say 'y' here.+ endif	# BOARD_GRASSHOPPERdiff -Naur linux-4.7.3/arch/avr32/boards/grasshopper/setup.c linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/setup.c--- linux-4.7.3/arch/avr32/boards/grasshopper/setup.c	2016-09-20 11:43:03.646251793 +0200+++ linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/setup.c	2016-09-20 12:03:04.864496603 +0200@@ -166,7 +166,12 @@  void __init setup_board(void) {+#ifdef CONFIG_BOARD_GRASSHOPPER_USART1     at32_map_usart(1, 0, 0); // USART 1: /dev/ttyS0, CP2102+#endif+#ifdef CONFIG_BOARD_GRASSHOPPER_USART0+    at32_map_usart(0, 1, 0); // USART 0: /dev/ttyS1+#endif     at32_setup_serial_console(0);      // grasshopper_add_spi();@@ -182,7 +187,12 @@     */     at32_reserve_pin(GPIO_PIOE_BASE, ATMEL_EBI_PE_DATA_ALL);     at32_add_device_usba(0, NULL);+#ifdef CONFIG_BOARD_GRASSHOPPER_USART1     at32_add_device_usart(0);+#endif+#ifdef CONFIG_BOARD_GRASSHOPPER_USART0+    at32_add_device_usart(1);+#endif  #ifdef CONFIG_GRASSHOPPER_LCD     at32_add_device_lcdc(0, &grasshopper_lcdc_data,
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