This adds support for Lairds CPU module, featuring Atheros wifi, CSR Bluetooth and, Atmel SAMA5D3 CPU. https://www.lairdtech.com/products/wb50nbt-wi-fi-bluetooth-module Signed-off-by: Ben Whitten <ben.whitten@xxxxxxxxxxxxx> --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/at91-wb50n.dts | 112 +++++++++++++++++++++ arch/arm/boot/dts/at91-wb50n.dtsi | 198 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 311 insertions(+) create mode 100644 arch/arm/boot/dts/at91-wb50n.dts create mode 100644 arch/arm/boot/dts/at91-wb50n.dtsi diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 04604d2..07823be 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -52,6 +52,7 @@ dtb-$(CONFIG_SOC_SAM_V7) += \ at91-sama5d2_xplained.dtb \ at91-sama5d3_xplained.dtb \ at91-tse850-3.dtb \ + at91-wb50n.dtb \ sama5d31ek.dtb \ sama5d33ek.dtb \ sama5d34ek.dtb \ diff --git a/arch/arm/boot/dts/at91-wb50n.dts b/arch/arm/boot/dts/at91-wb50n.dts new file mode 100644 index 0000000..8cecc70 --- /dev/null +++ b/arch/arm/boot/dts/at91-wb50n.dts @@ -0,0 +1,112 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * at91-wb50n.dts - Device Tree file for wb50n evaluation board + * + * Copyright (C) 2018 Laird + * + */ + +/dts-v1/; +#include "at91-wb50n.dtsi" + +/ { + model = "Laird Workgroup Bridge 50N - Atmel SAMA5D"; + compatible = "laird,wb50n", "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5"; + + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + + btn0@10 { + reg = <10>; + label = "BTNESC"; + linux,code = <1>; /* ESC button */ + gpios = <&pioA 10 GPIO_ACTIVE_LOW>; + gpio-key,wakeup = <1>; + }; + + irqbtn@31 { + reg = <31>; + label = "IRQBTN"; + linux,code = <99>; /* SysReq button */ + gpios = <&pioE 31 GPIO_ACTIVE_LOW>; + gpio-key,wakeup = <1>; + }; + }; + + leds { + compatible = "gpio-leds"; + + led0 { + label = "wb50n:blue:led0"; + gpios = <&pioA 12 GPIO_ACTIVE_LOW>; + default-state = "off"; + }; + + led1 { + label = "wb50n:green:led1"; + gpios = <&pioA 24 GPIO_ACTIVE_LOW>; + default-state = "off"; + }; + + led2 { + label = "wb50n:red:led2"; + gpios = <&pioA 26 GPIO_ACTIVE_LOW>; + default-state = "off"; + }; + }; +}; + +&watchdog { + status = "okay"; +}; + +&mmc0 { + status = "okay"; +}; + +&macb1 { + status = "okay"; +}; + +&dbgu { + status = "okay"; +}; + +/* On BB40 this port is labeled UART1 */ +&usart0 { + status = "okay"; +}; + +/* On BB40 this port is labeled UART0 */ +&usart1 { + status = "okay"; +}; + +&i2c0 { + status = "okay"; +}; + +&spi1 { + status = "okay"; + + spidev@0 { + compatible = "spidev"; + reg = <0>; + spi-max-frequency = <8000000>; + }; +}; + +&usb0 { + status = "okay"; +}; + +&usb1 { + status = "okay"; +}; + +&usb2 { + status = "okay"; +}; + diff --git a/arch/arm/boot/dts/at91-wb50n.dtsi b/arch/arm/boot/dts/at91-wb50n.dtsi new file mode 100644 index 0000000..85692c8 --- /dev/null +++ b/arch/arm/boot/dts/at91-wb50n.dtsi @@ -0,0 +1,198 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * at91-wb50n.dtsi - Device Tree include file for wb50n cpu module + * + * Copyright (C) 2018 Laird + * + */ + +#include "sama5d31.dtsi" + +/ { + model = "Laird Workgroup Bridge 50N - Atmel SAMA5D"; + compatible = "laird,wb50n", "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5"; + + chosen { + bootargs = "ubi.mtd=6 root=ubi0:rootfs rootfstype=ubifs rw"; + stdout-path = "serial0:115200n8"; + }; + + memory { + reg = <0x20000000 0x4000000>; + }; +}; + +&pinctrl { + board { + pinctrl_mmc0_cd: mmc0_cd { + atmel,pins = <AT91_PIOC 26 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC26 GPIO with pullup deglitch */ + }; + + pinctrl_usba_vbus: usba_vbus { + atmel,pins = <AT91_PIOB 13 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PB13 GPIO with deglitch */ + }; + }; +}; + +&slow_xtal { + clock-frequency = <32768>; +}; + +&main_xtal { + clock-frequency = <12000000>; +}; + +&slow_osc { + atmel,osc-bypass; +}; + +&usart1_clk { + atmel,clk-output-range = <0 132000000>; +}; + +&mmc0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_cd>; + cd-gpios = <&pioC 26 GPIO_ACTIVE_LOW>; + slot@0 { + reg = <0>; + bus-width = <4>; + }; +}; + +&mmc1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3>; + status = "okay"; + atheros@0 { + compatible = "atheros,ath6kl"; + atheros,board-id = "SD32"; + reg = <0>; + bus-width = <4>; + }; +}; + +&macb1 { + phy-mode = "rmii"; +}; + +&dbgu { + dmas = <0>, <0>; /* Do not use DMA for dbgu */ +}; + +/* On BB40 this port is labeled UART1 */ +&usart0 { + atmel,use-dma-rx; + atmel,use-dma-tx; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart0 &pinctrl_usart0_rts_cts>; +}; + +/* On BB40 this port is labeled UART0 */ +&usart1 { + atmel,use-dma-rx; + atmel,use-dma-tx; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart1 &pinctrl_usart1_rts_cts>; + dtr-gpios = <&pioD 13 GPIO_ACTIVE_LOW>; + dsr-gpios = <&pioD 11 GPIO_ACTIVE_LOW>; + dcd-gpios = <&pioD 7 GPIO_ACTIVE_LOW>; + rng-gpios = <&pioD 8 GPIO_ACTIVE_LOW>; +}; + +/* USART3 is direct-connect to the Bluetooth UART on the radio SIP */ +&usart3 { + atmel,use-dma-rx; + atmel,use-dma-tx; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart3 &pinctrl_usart3_rts_cts>; + status = "okay"; +}; + +&spi1 { + cs-gpios = <&pioC 25 0>, <0>, <0>, <0>; +}; + +&ebi { + pinctrl-0 = <&pinctrl_ebi_nand_addr>; + pinctrl-names = "default"; + status = "okay"; +}; + +&nand_controller { + status = "okay"; + + nand: nand@3 { + reg = <0x3 0x0 0x2>; + atmel,rb = <0>; + nand-bus-width = <8>; + nand-ecc-mode = "hw"; + nand-ecc-strength = <8>; + 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 = "u-boot-env"; + reg = <0xc0000 0x20000>; + }; + + kernel-a@e0000 { + label = "kernel-a"; + reg = <0xe0000 0x500000>; + }; + + kernel-b@5e0000 { + label = "kernel-b"; + reg = <0x5e0000 0x500000>; + }; + + rootfs-a@ae0000 { + label = "rootfs-a"; + reg = <0xae0000 0x3000000>; + }; + + rootfs-b@3ae0000 { + label = "rootfs-b"; + reg = <0x3ae0000 0x3000000>; + }; + + user@6ae0000 { + label = "user"; + reg = <0x6ae0000 0x14e0000>; + }; + }; + }; +}; + +&usb0 { + atmel,vbus-gpio = <&pioB 13 GPIO_ACTIVE_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usba_vbus>; +}; + +&usb1 { + num-ports = <3>; + atmel,vbus-gpio = <&pioA 2 GPIO_ACTIVE_LOW>; + atmel,oc-gpio = <&pioA 4 GPIO_ACTIVE_LOW>; +}; -- 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
