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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
ARM: dts: add support for Laird WB45N cpu module and DVK
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@lairdtech.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
authored by
Ben Whitten
and committed by
Alexandre Belloni
04456555
fc372044
+230
+1
arch/arm/boot/dts/Makefile
+1
arch/arm/boot/dts/Makefile
+64
arch/arm/boot/dts/at91-wb45n.dts
+64
arch/arm/boot/dts/at91-wb45n.dts
···
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// SPDX-License-Identifier: GPL-2.0
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/*
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* at91-wb45n.dts - Device Tree file for WB45NBT board
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*
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* Copyright (C) 2018 Laird
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*
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*/
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/dts-v1/;
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#include "at91-wb45n.dtsi"
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/ {
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model = "Laird Workgroup Bridge 45N - Atmel AT91SAM (dt)";
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compatible = "laird,wb45n", "laird,wbxx", "atmel,at91sam9x5", "atmel,at91sam9";
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gpio_keys {
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compatible = "gpio-keys";
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#address-cells = <1>;
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#size-cells = <0>;
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irqbtn@18 {
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reg = <18>;
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label = "IRQBTN";
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linux,code = <99>;
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gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
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gpio-key,wakeup = <1>;
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};
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};
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};
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&watchdog {
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status = "okay";
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};
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&usb0 {
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status = "okay";
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};
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&mmc0 {
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status = "okay";
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};
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&spi0 {
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status = "okay";
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};
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&macb0 {
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status = "okay";
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};
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&dbgu {
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status = "okay";
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};
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&usart0 {
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status = "okay";
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};
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&usart3 {
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status = "okay";
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};
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+
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&i2c1 {
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status = "okay";
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};
+165
arch/arm/boot/dts/at91-wb45n.dtsi
+165
arch/arm/boot/dts/at91-wb45n.dtsi
···
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// SPDX-License-Identifier: GPL-2.0
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/*
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* at91-wb45n.dtsi - Device Tree file for WB45NBT board
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*
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* Copyright (C) 2018 Laird
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*
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*/
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#include "at91sam9g25.dtsi"
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/ {
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model = "Laird Workgroup Bridge 45N - Atmel AT91SAM (dt)";
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compatible = "laird,wb45n", "laird,wbxx", "atmel,at91sam9x5", "atmel,at91sam9";
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chosen {
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bootargs = "ubi.mtd=6 root=ubi0:rootfs rootfstype=ubifs rw";
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stdout-path = "serial0:115200n8";
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};
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memory {
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reg = <0x20000000 0x4000000>;
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};
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+
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atheros {
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compatible = "atheros,ath6kl";
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atheros,board-id = "SD32";
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};
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};
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&reset_controller {
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compatible = "atmel,sama5d3-rstc";
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};
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&shutdown_controller {
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atmel,wakeup-mode = "low";
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};
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&slow_xtal {
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clock-frequency = <32768>;
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};
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&main_xtal {
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clock-frequency = <12000000>;
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};
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&ebi {
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status = "okay";
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nand_controller: nand-controller {
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pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb &pinctrl_nand_oe_we>;
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pinctrl-names = "default";
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status = "okay";
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+
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nand@3 {
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reg = <0x3 0x0 0x800000>;
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rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
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cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
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nand-bus-width = <8>;
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nand-ecc-mode = "hw";
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nand-ecc-strength = <4>;
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nand-ecc-step-size = <512>;
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nand-on-flash-bbt;
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label = "atmel_nand";
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+
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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+
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at91bootstrap@0 {
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label = "at91bs";
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reg = <0x0 0x20000>;
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};
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uboot@20000 {
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label = "u-boot";
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reg = <0x20000 0x80000>;
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};
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+
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ubootenv@a0000 {
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label = "u-boot-env";
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reg = <0xa0000 0x20000>;
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};
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ubootenv@c0000 {
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label = "redund-env";
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reg = <0xc0000 0x20000>;
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};
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kernel-a@e0000 {
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label = "kernel-a";
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reg = <0xe0000 0x280000>;
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};
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kernel-b@360000 {
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label = "kernel-b";
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reg = <0x360000 0x280000>;
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};
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rootfs-a@5e0000 {
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label = "rootfs-a";
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reg = <0x5e0000 0x2600000>;
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};
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rootfs-b@2be0000 {
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label = "rootfs-b";
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reg = <0x2be0000 0x2600000>;
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};
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user@51e0000 {
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label = "user";
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reg = <0x51e0000 0x2dc0000>;
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};
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logs@7fa0000 {
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label = "logs";
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reg = <0x7fa0000 0x60000>;
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};
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};
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};
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};
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};
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&usb0 {
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num-ports = <2>;
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atmel,vbus-gpio = <
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&pioB 12 GPIO_ACTIVE_HIGH
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&pioA 31 GPIO_ACTIVE_HIGH
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>;
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atmel,oc-gpio = <&pioB 13 GPIO_ACTIVE_LOW>;
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};
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&macb0 {
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phy-mode = "rmii";
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};
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&spi0 {
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cs-gpios = <&pioA 14 0>, <&pioA 7 0>, <0>, <0>;
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};
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&usb2 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_board_usb2>;
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atmel,vbus-gpio = <&pioB 11 GPIO_ACTIVE_HIGH>;
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};
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+
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&mmc0 {
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pinctrl-0 = <
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&pinctrl_mmc0_slot0_clk_cmd_dat0
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&pinctrl_mmc0_slot0_dat1_3>;
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slot@0 {
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reg = <0>;
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bus-width = <4>;
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};
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};
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+
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&pinctrl {
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usb2 {
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pinctrl_board_usb2: usb2-board {
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atmel,pins =
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<AT91_PIOB 11 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PB11 gpio vbus sense, deglitch */
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};
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};
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};
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