0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * at91-wb50n.dtsi - Device Tree include file for wb50n cpu module
0004 *
0005 * Copyright (C) 2018 Laird
0006 *
0007 */
0008
0009 #include "sama5d31.dtsi"
0010
0011 / {
0012 model = "Laird Workgroup Bridge 50N - Atmel SAMA5D";
0013 compatible = "laird,wb50n", "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";
0014
0015 chosen {
0016 bootargs = "ubi.mtd=6 root=ubi0:rootfs rootfstype=ubifs rw";
0017 stdout-path = "serial0:115200n8";
0018 };
0019
0020 memory@20000000 {
0021 reg = <0x20000000 0x4000000>;
0022 };
0023 };
0024
0025 &pinctrl {
0026 board {
0027 pinctrl_mmc0_cd: mmc0_cd {
0028 atmel,pins = <AT91_PIOC 26 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC26 GPIO with pullup deglitch */
0029 };
0030
0031 pinctrl_usba_vbus: usba_vbus {
0032 atmel,pins = <AT91_PIOB 13 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PB13 GPIO with deglitch */
0033 };
0034 };
0035 };
0036
0037 &slow_xtal {
0038 clock-frequency = <32768>;
0039 };
0040
0041 &main_xtal {
0042 clock-frequency = <12000000>;
0043 };
0044
0045 &clk32k {
0046 atmel,osc-bypass;
0047 };
0048
0049 &mmc0 {
0050 pinctrl-names = "default";
0051 pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_cd>;
0052 cd-gpios = <&pioC 26 GPIO_ACTIVE_LOW>;
0053 slot@0 {
0054 reg = <0>;
0055 bus-width = <4>;
0056 };
0057 };
0058
0059 &mmc1 {
0060 pinctrl-names = "default";
0061 pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3>;
0062 status = "okay";
0063 atheros@0 {
0064 compatible = "atheros,ath6kl";
0065 atheros,board-id = "SD32";
0066 reg = <0>;
0067 bus-width = <4>;
0068 };
0069 };
0070
0071 &macb1 {
0072 phy-mode = "rmii";
0073 };
0074
0075 &dbgu {
0076 dmas = <0>, <0>; /* Do not use DMA for dbgu */
0077 };
0078
0079 /* On BB40 this port is labeled UART1 */
0080 &usart0 {
0081 atmel,use-dma-rx;
0082 atmel,use-dma-tx;
0083 pinctrl-names = "default";
0084 pinctrl-0 = <&pinctrl_usart0 &pinctrl_usart0_rts_cts>;
0085 };
0086
0087 /* On BB40 this port is labeled UART0 */
0088 &usart1 {
0089 atmel,use-dma-rx;
0090 atmel,use-dma-tx;
0091 pinctrl-names = "default";
0092 pinctrl-0 = <&pinctrl_usart1 &pinctrl_usart1_rts_cts>;
0093 dtr-gpios = <&pioD 13 GPIO_ACTIVE_LOW>;
0094 dsr-gpios = <&pioD 11 GPIO_ACTIVE_LOW>;
0095 dcd-gpios = <&pioD 7 GPIO_ACTIVE_LOW>;
0096 rng-gpios = <&pioD 8 GPIO_ACTIVE_LOW>;
0097 };
0098
0099 /* USART3 is direct-connect to the Bluetooth UART on the radio SIP */
0100 &usart3 {
0101 atmel,use-dma-rx;
0102 atmel,use-dma-tx;
0103 pinctrl-names = "default";
0104 pinctrl-0 = <&pinctrl_usart3 &pinctrl_usart3_rts_cts>;
0105 status = "okay";
0106 };
0107
0108 &spi1 {
0109 cs-gpios = <&pioC 25 0>, <0>, <0>, <0>;
0110 };
0111
0112 &ebi {
0113 pinctrl-0 = <&pinctrl_ebi_nand_addr>;
0114 pinctrl-names = "default";
0115 status = "okay";
0116 };
0117
0118 &nand_controller {
0119 status = "okay";
0120
0121 nand: nand@3 {
0122 reg = <0x3 0x0 0x2>;
0123 atmel,rb = <0>;
0124 nand-bus-width = <8>;
0125 nand-ecc-mode = "hw";
0126 nand-ecc-strength = <8>;
0127 nand-ecc-step-size = <512>;
0128 nand-on-flash-bbt;
0129 label = "atmel_nand";
0130
0131 partitions {
0132 compatible = "fixed-partitions";
0133 #address-cells = <1>;
0134 #size-cells = <1>;
0135
0136 at91bootstrap@0 {
0137 label = "at91bs";
0138 reg = <0x0 0x20000>;
0139 };
0140
0141 uboot@20000 {
0142 label = "u-boot";
0143 reg = <0x20000 0x80000>;
0144 };
0145
0146 ubootenv@a0000 {
0147 label = "u-boot-env";
0148 reg = <0xa0000 0x20000>;
0149 };
0150
0151 ubootenv@c0000 {
0152 label = "u-boot-env";
0153 reg = <0xc0000 0x20000>;
0154 };
0155
0156 kernel-a@e0000 {
0157 label = "kernel-a";
0158 reg = <0xe0000 0x500000>;
0159 };
0160
0161 kernel-b@5e0000 {
0162 label = "kernel-b";
0163 reg = <0x5e0000 0x500000>;
0164 };
0165
0166 rootfs-a@ae0000 {
0167 label = "rootfs-a";
0168 reg = <0xae0000 0x3000000>;
0169 };
0170
0171 rootfs-b@3ae0000 {
0172 label = "rootfs-b";
0173 reg = <0x3ae0000 0x3000000>;
0174 };
0175
0176 user@6ae0000 {
0177 label = "user";
0178 reg = <0x6ae0000 0x14e0000>;
0179 };
0180 };
0181 };
0182 };
0183
0184 &usb0 {
0185 atmel,vbus-gpio = <&pioB 13 GPIO_ACTIVE_LOW>;
0186 pinctrl-names = "default";
0187 pinctrl-0 = <&pinctrl_usba_vbus>;
0188 };
0189
0190 &usb1 {
0191 num-ports = <3>;
0192 atmel,vbus-gpio = <&pioA 2 GPIO_ACTIVE_LOW>;
0193 atmel,oc-gpio = <&pioA 4 GPIO_ACTIVE_LOW>;
0194 };
