This adds support for Lairds combo CPU module, featuring on board Atheros wifi, CSR Bluetooth radio and, Atmel CPU. https://www.lairdtech.com/products/wb45nbt Signed-off-by: Ben Whitten <ben.whitten@xxxxxxxxxxxxx> --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/at91-wb45n.dts | 64 +++++++++++++++ arch/arm/boot/dts/at91-wb45n.dtsi | 165 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 230 insertions(+) create mode 100644 arch/arm/boot/dts/at91-wb45n.dts create mode 100644 arch/arm/boot/dts/at91-wb45n.dtsi diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 7e24249..04604d2 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -38,6 +38,7 @@ dtb-$(CONFIG_SOC_AT91SAM9) += \ at91-ariettag25.dtb \ at91-cosino_mega2560.dtb \ at91-kizboxmini.dtb \ + at91-wb45n.dtb \ at91sam9g15ek.dtb \ at91sam9g25ek.dtb \ at91sam9g35ek.dtb \ diff --git a/arch/arm/boot/dts/at91-wb45n.dts b/arch/arm/boot/dts/at91-wb45n.dts new file mode 100644 index 0000000..64ce150 --- /dev/null +++ b/arch/arm/boot/dts/at91-wb45n.dts @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * at91-wb45n.dts - Device Tree file for WB45NBT board + * + * Copyright (C) 2018 Laird + * +*/ +/dts-v1/; +#include "at91-wb45n.dtsi" + +/ { + model = "Laird Workgroup Bridge 45N - Atmel AT91SAM (dt)"; + compatible = "laird,wb45n", "laird,wbxx", "atmel,at91sam9x5", "atmel,at91sam9"; + + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + + irqbtn@18 { + reg = <18>; + label = "IRQBTN"; + linux,code = <99>; + gpios = <&pioB 18 GPIO_ACTIVE_LOW>; + gpio-key,wakeup = <1>; + }; + }; +}; + +&watchdog { + status = "okay"; +}; + +&usb0 { + status = "okay"; +}; + +&mmc0 { + status = "okay"; +}; + +&spi0 { + status = "okay"; +}; + +&macb0 { + status = "okay"; +}; + +&dbgu { + status = "okay"; +}; + +&usart0 { + status = "okay"; +}; + +&usart3 { + status = "okay"; +}; + +&i2c1 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/at91-wb45n.dtsi b/arch/arm/boot/dts/at91-wb45n.dtsi new file mode 100644 index 0000000..ebe61a2 --- /dev/null +++ b/arch/arm/boot/dts/at91-wb45n.dtsi @@ -0,0 +1,165 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * at91-wb45n.dtsi - Device Tree file for WB45NBT board + * + * Copyright (C) 2018 Laird + * + */ + +#include "at91sam9g25.dtsi" + +/ { + model = "Laird Workgroup Bridge 45N - Atmel AT91SAM (dt)"; + compatible = "laird,wb45n", "laird,wbxx", "atmel,at91sam9x5", "atmel,at91sam9"; + + chosen { + bootargs = "ubi.mtd=6 root=ubi0:rootfs rootfstype=ubifs rw"; + stdout-path = "serial0:115200n8"; + }; + + memory { + reg = <0x20000000 0x4000000>; + }; + + atheros { + compatible = "atheros,ath6kl"; + atheros,board-id = "SD32"; + }; +}; + +&reset_controller { + compatible = "atmel,sama5d3-rstc"; +}; + +&shutdown_controller { + atmel,wakeup-mode = "low"; +}; + +&slow_xtal { + clock-frequency = <32768>; +}; + +&main_xtal { + clock-frequency = <12000000>; +}; + +&ebi { + status = "okay"; + nand_controller: nand-controller { + pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb &pinctrl_nand_oe_we>; + pinctrl-names = "default"; + status = "okay"; + + nand@3 { + reg = <0x3 0x0 0x800000>; + rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>; + cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>; + nand-bus-width = <8>; + nand-ecc-mode = "hw"; + nand-ecc-strength = <4>; + nand-ecc-step-size = <512>; + nand-on-flash-bbt; + label = "atmel_nand"; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + at91bootstrap@0 { + label = "at91bs"; + reg = <0x0 0x20000>; + }; + + uboot@20000 { + label = "u-boot"; + reg = <0x20000 0x80000>; + }; + + ubootenv@a0000 { + label = "u-boot-env"; + reg = <0xa0000 0x20000>; + }; + + ubootenv@c0000 { + label = "redund-env"; + reg = <0xc0000 0x20000>; + }; + + kernel-a@e0000 { + label = "kernel-a"; + reg = <0xe0000 0x280000>; + }; + + kernel-b@360000 { + label = "kernel-b"; + reg = <0x360000 0x280000>; + }; + + rootfs-a@5e0000 { + label = "rootfs-a"; + reg = <0x5e0000 0x2600000>; + }; + + rootfs-b@2be0000 { + label = "rootfs-b"; + reg = <0x2be0000 0x2600000>; + }; + + user@51e0000 { + label = "user"; + reg = <0x51e0000 0x2dc0000>; + }; + + logs@7fa0000 { + label = "logs"; + reg = <0x7fa0000 0x60000>; + }; + + }; + }; + }; +}; + +&usb0 { + num-ports = <2>; + atmel,vbus-gpio = < + &pioB 12 GPIO_ACTIVE_HIGH + &pioA 31 GPIO_ACTIVE_HIGH + >; + atmel,oc-gpio = <&pioB 13 GPIO_ACTIVE_LOW>; +}; + +&macb0 { + phy-mode = "rmii"; +}; + +&spi0 { + cs-gpios = <&pioA 14 0>, <&pioA 7 0>, <0>, <0>; +}; + +&usb2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_board_usb2>; + atmel,vbus-gpio = <&pioB 11 GPIO_ACTIVE_HIGH>; +}; + +&mmc0 { + pinctrl-0 = < + &pinctrl_mmc0_slot0_clk_cmd_dat0 + &pinctrl_mmc0_slot0_dat1_3>; + slot@0 { + reg = <0>; + bus-width = <4>; + }; +}; + +&pinctrl { + usb2 { + pinctrl_board_usb2: usb2-board { + atmel,pins = + <AT91_PIOB 11 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PB11 gpio vbus sense, deglitch */ + }; + }; +}; + -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
