diff options
Diffstat (limited to 'arch/arm/boot/dts/microchip/at91-ariag25.dts')
-rw-r--r-- | arch/arm/boot/dts/microchip/at91-ariag25.dts | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/microchip/at91-ariag25.dts b/arch/arm/boot/dts/microchip/at91-ariag25.dts new file mode 100644 index 0000000000..713d18f803 --- /dev/null +++ b/arch/arm/boot/dts/microchip/at91-ariag25.dts @@ -0,0 +1,183 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * at91-ariag25.dts - Device Tree file for Acme Systems Aria G25 (AT91SAM9G25 based) + * + * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>, + * Robert Nelson <robertcnelson@gmail.com> + */ +/dts-v1/; +#include "at91sam9g25.dtsi" + +/ { + model = "Acme Systems Aria G25"; + compatible = "acme,ariag25", "atmel,at91sam9x5ek", + "atmel,at91sam9x5", "atmel,at91sam9"; + + aliases { + serial5 = &uart0; + serial6 = &uart1; + }; + + chosen { + bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait"; + }; + + memory@20000000 { + /* 128 MB, change this for 256 MB revision */ + reg = <0x20000000 0x8000000>; + }; + + clocks { + slow_xtal { + clock-frequency = <32768>; + }; + + main_xtal { + clock-frequency = <12000000>; + }; + }; + + leds { + compatible = "gpio-leds"; + + /* little green LED in middle of Aria G25 module */ + aria_led { + label = "aria_led"; + gpios = <&pioB 8 GPIO_ACTIVE_HIGH>; /* PB8 */ + linux,default-trigger = "heartbeat"; + }; + + }; + + onewire { + compatible = "w1-gpio"; + gpios = <&pioA 21 GPIO_ACTIVE_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_w1_0>; + }; +}; + +&adc0 { + status = "okay"; + atmel,adc-channels-used = <0xf>; +}; + +&dbgu { + status = "okay"; +}; + +&i2c0 { + status = "okay"; +}; + +&i2c1 { + status = "okay"; +}; + +/* TWD2+TCLK2 hidden behind ethernet, so no i2c2 */ + +&macb0 { + phy-mode = "rmii"; + /* + * following can be overwritten by bootloader: + * for example u-boot 'ftd set' command + */ + local-mac-address = [00 00 00 00 00 00]; + status = "okay"; +}; + + +&mmc0 { + /* N.B. Aria has no SD card detect (CD), assumed present */ + + pinctrl-0 = < + &pinctrl_mmc0_slot0_clk_cmd_dat0 + &pinctrl_mmc0_slot0_dat1_3>; + pinctrl-names = "default"; + status = "okay"; + + slot@0 { + reg = <0>; + bus-width = <4>; + }; +}; + +&pinctrl { + w1_0 { + pinctrl_w1_0: w1_0-0 { + atmel,pins = <0 21 0x0 0x1>; /* PA21 PIO, pull-up */ + }; + }; +}; + +&rtc { + status = "okay"; +}; + +&tcb0 { + timer@0 { + compatible = "atmel,tcb-timer"; + reg = <0>; + }; + + timer@1 { + compatible = "atmel,tcb-timer"; + reg = <1>; + }; +}; + +/* + * UART0/1 pins are marked as GPIO on + * Aria documentation. + * Change to "okay" if you need additional serial ports + */ +&uart0 { + status = "disabled"; +}; + +&uart1 { + status = "disabled"; +}; + +&usart0 { + pinctrl-0 = <&pinctrl_usart0 + &pinctrl_usart0_rts + &pinctrl_usart0_cts>; + status = "okay"; +}; + +&usart1 { + pinctrl-0 = <&pinctrl_usart1 + /* &pinctrl_usart1_rts */ + /* &pinctrl_usart1_cts */ + >; + status = "okay"; +}; + +&usart2 { + /* cannot activate RTS2+CTS2, clash with + * ethernet on PB0 and PB1 */ + pinctrl-0 = <&pinctrl_usart2>; + status = "okay"; +}; + +&usart3 { + compatible = "atmel,at91sam9260-usart"; + reg = <0xf8028000 0x200>; + interrupts = <8 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart3 + /* &pinctrl_usart3_rts */ + /* &pinctrl_usart3_cts */ + >; + status = "okay"; +}; + +&usb0 { + status = "okay"; + num-ports = <3>; +}; + +&usb1 { + status = "okay"; +}; |