diff options
Diffstat (limited to 'arch/arm/boot/dts/at91sam9g20ek_common.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/at91sam9g20ek_common.dtsi | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi new file mode 100644 index 000000000..4783e657b --- /dev/null +++ b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi @@ -0,0 +1,272 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board + * + * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> + */ +#include "at91sam9g20.dtsi" +#include <dt-bindings/input/input.h> + +/ { + + chosen { + bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs"; + stdout-path = "serial0:115200n8"; + }; + + memory@20000000 { + reg = <0x20000000 0x4000000>; + }; + + clocks { + slow_xtal { + clock-frequency = <32768>; + }; + + main_xtal { + clock-frequency = <18432000>; + }; + }; + + ahb { + apb { + pinctrl@fffff400 { + board { + pinctrl_pck0_as_mck: pck0_as_mck { + atmel,pins = + <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */ + }; + + }; + + usb1 { + pinctrl_usb1_vbus_gpio: usb1_vbus_gpio { + atmel,pins = + <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PC5 GPIO */ + }; + }; + + mmc0_slot1 { + pinctrl_board_mmc0_slot1: mmc0_slot1-board { + atmel,pins = + <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC9 gpio CD pin pull up and deglitch */ + }; + }; + }; + + dbgu: serial@fffff200 { + status = "okay"; + }; + + tcb0: timer@fffa0000 { + timer@0 { + compatible = "atmel,tcb-timer"; + reg = <0>, <1>; + }; + + timer@2 { + compatible = "atmel,tcb-timer"; + reg = <2>; + }; + }; + + usart0: serial@fffb0000 { + pinctrl-0 = + <&pinctrl_usart0 + &pinctrl_usart0_rts + &pinctrl_usart0_cts + &pinctrl_usart0_dtr_dsr + &pinctrl_usart0_dcd + &pinctrl_usart0_ri>; + status = "okay"; + }; + + usart1: serial@fffb4000 { + status = "okay"; + }; + + macb0: ethernet@fffc4000 { + phy-mode = "rmii"; + status = "okay"; + }; + + usb1: gadget@fffa4000 { + pinctrl-0 = <&pinctrl_usb1_vbus_gpio>; + pinctrl-names = "default"; + atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>; + status = "okay"; + }; + + mmc0: mmc@fffa8000 { + pinctrl-0 = < + &pinctrl_board_mmc0_slot1 + &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>; + cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>; + }; + }; + + ssc0: ssc@fffbc000 { + status = "okay"; + pinctrl-0 = <&pinctrl_ssc0_tx>; + }; + + spi0: spi@fffc8000 { + cs-gpios = <0>, <&pioC 11 0>, <0>, <0>; + mtd_dataflash@1 { + compatible = "atmel,at45", "atmel,dataflash"; + spi-max-frequency = <50000000>; + reg = <1>; + }; + }; + + shdwc@fffffd10 { + atmel,wakeup-counter = <10>; + atmel,wakeup-rtt-timer; + }; + + rtc@fffffd20 { + atmel,rtt-rtc-time-reg = <&gpbr 0x0>; + status = "okay"; + }; + + watchdog@fffffd40 { + status = "okay"; + }; + + gpbr: syscon@fffffd50 { + status = "okay"; + }; + }; + + ebi: ebi@10000000 { + status = "okay"; + + nand_controller: nand-controller { + status = "okay"; + pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>; + pinctrl-names = "default"; + + nand@3 { + reg = <0x3 0x0 0x800000>; + rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>; + cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>; + nand-bus-width = <8>; + nand-ecc-mode = "soft"; + nand-on-flash-bbt; + label = "atmel_nand"; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + at91bootstrap@0 { + label = "at91bootstrap"; + reg = <0x0 0x20000>; + }; + + barebox@20000 { + label = "barebox"; + reg = <0x20000 0x40000>; + }; + + bareboxenv@60000 { + label = "bareboxenv"; + reg = <0x60000 0x20000>; + }; + + bareboxenv2@80000 { + label = "bareboxenv2"; + reg = <0x80000 0x20000>; + }; + + oftree@80000 { + label = "oftree"; + reg = <0xa0000 0x20000>; + }; + + kernel@a0000 { + label = "kernel"; + reg = <0xc0000 0x400000>; + }; + + rootfs@4a0000 { + label = "rootfs"; + reg = <0x4c0000 0x7800000>; + }; + + data@7ca0000 { + label = "data"; + reg = <0x7cc0000 0x8340000>; + }; + }; + }; + }; + }; + + usb0: ohci@500000 { + num-ports = <2>; + status = "okay"; + }; + }; + + i2c-gpio-0 { + status = "okay"; + + 24c512@50 { + compatible = "atmel,24c512"; + reg = <0x50>; + }; + + wm8731: wm8731@1b { + compatible = "wm8731"; + reg = <0x1b>; + + /* PCK0 at 12MHz */ + clocks = <&pmc PMC_TYPE_SYSTEM 8>; + clock-names = "mclk"; + assigned-clocks = <&pmc PMC_TYPE_SYSTEM 8>; + assigned-clock-rates = <12000000>; + }; + }; + + gpio_keys { + compatible = "gpio-keys"; + + btn3 { + label = "Button 3"; + gpios = <&pioA 30 GPIO_ACTIVE_LOW>; + linux,code = <0x103>; + wakeup-source; + }; + + btn4 { + label = "Button 4"; + gpios = <&pioA 31 GPIO_ACTIVE_LOW>; + linux,code = <KEY_PROG1>; + wakeup-source; + }; + }; + + sound { + compatible = "atmel,at91sam9g20ek-wm8731-audio"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pck0_as_mck>; + + atmel,model = "wm8731 @ AT91SAMG20EK"; + + atmel,audio-routing = + "Ext Spk", "LHPOUT", + "Int Mic", "MICIN"; + + atmel,ssc-controller = <&ssc0>; + atmel,audio-codec = <&wm8731>; + }; +}; |