diff options
Diffstat (limited to 'arch/arm/boot/dts/microchip/at91-foxg20.dts')
-rw-r--r-- | arch/arm/boot/dts/microchip/at91-foxg20.dts | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/microchip/at91-foxg20.dts b/arch/arm/boot/dts/microchip/at91-foxg20.dts new file mode 100644 index 0000000000..9dfd5de808 --- /dev/null +++ b/arch/arm/boot/dts/microchip/at91-foxg20.dts @@ -0,0 +1,168 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * at91-foxg20.dts - Device Tree file for Acme Systems FoxG20 board + * + * Based on DT files for at91sam9g20ek evaluation board (AT91SAM9G20 SoC) + * + * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com> + */ +/dts-v1/; +#include "at91sam9g20.dtsi" + +/ { + model = "Acme Systems FoxG20"; + compatible = "acme,foxg20", "atmel,at91sam9g20", "atmel,at91sam9"; + + chosen { + bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait"; + }; + + memory@20000000 { + reg = <0x20000000 0x4000000>; + }; + + clocks { + slow_xtal { + clock-frequency = <32768>; + }; + + main_xtal { + clock-frequency = <18432000>; + }; + }; + + ahb { + apb { + tcb0: timer@fffa0000 { + timer@0 { + compatible = "atmel,tcb-timer"; + reg = <0>, <1>; + }; + + timer@2 { + compatible = "atmel,tcb-timer"; + reg = <2>; + }; + }; + + usb1: gadget@fffa4000 { + atmel,vbus-gpio = <&pioC 6 GPIO_ACTIVE_HIGH>; + status = "okay"; + }; + + mmc0: mmc@fffa8000 { + pinctrl-0 = < + &pinctrl_mmc0_clk + &pinctrl_mmc0_slot1_cmd_dat0 + &pinctrl_mmc0_slot1_dat1_3>; + pinctrl-names = "default"; + status = "okay"; + + slot@1 { + reg = <1>; + bus-width = <4>; + }; + }; + + usart0: serial@fffb0000 { + pinctrl-0 = + <&pinctrl_usart0 + &pinctrl_usart0_rts + &pinctrl_usart0_cts + >; + status = "okay"; + }; + + usart1: serial@fffb4000 { + status = "okay"; + }; + + usart2: serial@fffb8000 { + status = "okay"; + }; + + macb0: ethernet@fffc4000 { + phy-mode = "rmii"; + status = "okay"; + }; + + usart3: serial@fffd0000 { + status = "okay"; + }; + + uart0: serial@fffd4000 { + status = "okay"; + }; + + uart1: serial@fffd8000 { + status = "okay"; + }; + + dbgu: serial@fffff200 { + status = "okay"; + }; + + pinctrl@fffff400 { + board { + pinctrl_pck0_as_mck: pck0_as_mck { + atmel,pins = + <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; + }; + }; + + mmc0_slot1 { + pinctrl_board_mmc0_slot1: mmc0_slot1-board { + atmel,pins = + <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* CD pin */ + }; + }; + + i2c0 { + pinctrl_i2c0: i2c0-0 { + atmel,pins = + <AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE /* TWD (SDA), open drain */ + AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE>; /* TWCK (SCL), open drain */ + }; + }; + }; + + watchdog@fffffd40 { + status = "okay"; + }; + }; + + usb0: ohci@500000 { + num-ports = <2>; + status = "okay"; + }; + }; + + i2c-gpio-0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c0>; + i2c-gpio,delay-us = <5>; /* ~85 kHz */ + status = "okay"; + }; + + leds { + compatible = "gpio-leds"; + + /* red LED marked "PC7" near mini USB (device) receptacle */ + user_led { + label = "user_led"; + gpios = <&pioC 7 GPIO_ACTIVE_HIGH>; /* PC7 */ + linux,default-trigger = "heartbeat"; + }; + }; + + gpio-keys { + compatible = "gpio-keys"; + + button { + label = "Button"; + gpios = <&pioC 4 GPIO_ACTIVE_LOW>; + linux,code = <0x103>; + wakeup-source; + }; + }; +}; |