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>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 37a3de7..8544fd0 100644 (file)
--- 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 (file)
index 0000000..5b9512a
--- /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 (file)
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 */
+               };
+       };
+};
+