arch/arm/boot/dts/at91-wb50n.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * at91-wb50n.dtsi - Device Tree include file for wb50n cpu module
   4  *
   5  *  Copyright (C) 2018 Laird
   6  *
   7  */
   8
   9 #include "sama5d31.dtsi"
  10
  11 / {
  12         model = "Laird Workgroup Bridge 50N - Atmel SAMA5D";
  13         compatible = "laird,wb50n", "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";
  14
  15         chosen {
  16                 bootargs = "ubi.mtd=6 root=ubi0:rootfs rootfstype=ubifs rw";
  17                 stdout-path = "serial0:115200n8";
  18         };
  19
  20         memory {
  21                 reg = <0x20000000 0x4000000>;
  22         };
  23 };
  24
  25 &pinctrl {
  26         board {
  27                 pinctrl_mmc0_cd: mmc0_cd {
  28                         atmel,pins = <AT91_PIOC 26 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC26 GPIO with pullup deglitch */
  29                 };
  30
  31                 pinctrl_usba_vbus: usba_vbus {
  32                         atmel,pins = <AT91_PIOB 13 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PB13 GPIO with deglitch */
  33                 };
  34         };
  35 };
  36
  37 &slow_xtal {
  38         clock-frequency = <32768>;
  39 };
  40
  41 &main_xtal {
  42         clock-frequency = <12000000>;
  43 };
  44
  45 &clk32k {
  46         atmel,osc-bypass;
  47 };
  48
  49 &usart1_clk {
  50         atmel,clk-output-range = <0 132000000>;
  51 };
  52
  53 &mmc0 {
  54         pinctrl-names = "default";
  55         pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_cd>;
  56         cd-gpios = <&pioC 26 GPIO_ACTIVE_LOW>;
  57         slot@0 {
  58                 reg = <0>;
  59                 bus-width = <4>;
  60         };
  61 };
  62
  63 &mmc1 {
  64         pinctrl-names = "default";
  65         pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3>;
  66         status = "okay";
  67         atheros@0 {
  68                 compatible = "atheros,ath6kl";
  69                 atheros,board-id = "SD32";
  70                 reg = <0>;
  71                 bus-width = <4>;
  72         };
  73 };
  74
  75 &macb1 {
  76         phy-mode = "rmii";
  77 };
  78
  79 &dbgu {
  80         dmas = <0>, <0>;        /*  Do not use DMA for dbgu */
  81 };
  82
  83 /* On BB40 this port is labeled UART1 */
  84 &usart0 {
  85         atmel,use-dma-rx;
  86         atmel,use-dma-tx;
  87         pinctrl-names = "default";
  88         pinctrl-0 = <&pinctrl_usart0 &pinctrl_usart0_rts_cts>;
  89 };
  90
  91 /* On BB40 this port is labeled UART0 */
  92 &usart1 {
  93         atmel,use-dma-rx;
  94         atmel,use-dma-tx;
  95         pinctrl-names = "default";
  96         pinctrl-0 = <&pinctrl_usart1 &pinctrl_usart1_rts_cts>;
  97         dtr-gpios = <&pioD 13 GPIO_ACTIVE_LOW>;
  98         dsr-gpios = <&pioD 11 GPIO_ACTIVE_LOW>;
  99         dcd-gpios = <&pioD 7 GPIO_ACTIVE_LOW>;
 100         rng-gpios = <&pioD 8 GPIO_ACTIVE_LOW>;
 101 };
 102
 103 /* USART3 is direct-connect to the Bluetooth UART on the radio SIP */
 104 &usart3 {
 105         atmel,use-dma-rx;
 106         atmel,use-dma-tx;
 107         pinctrl-names = "default";
 108         pinctrl-0 = <&pinctrl_usart3 &pinctrl_usart3_rts_cts>;
 109         status = "okay";
 110 };
 111
 112 &spi1 {
 113         cs-gpios = <&pioC 25 0>, <0>, <0>, <0>;
 114 };
 115
 116 &ebi {
 117         pinctrl-0 = <&pinctrl_ebi_nand_addr>;
 118         pinctrl-names = "default";
 119         status = "okay";
 120 };
 121
 122 &nand_controller {
 123         status = "okay";
 124
 125         nand: nand@3 {
 126                 reg = <0x3 0x0 0x2>;
 127                 atmel,rb = <0>;
 128                 nand-bus-width = <8>;
 129                 nand-ecc-mode = "hw";
 130                 nand-ecc-strength = <8>;
 131                 nand-ecc-step-size = <512>;
 132                 nand-on-flash-bbt;
 133                 label = "atmel_nand";
 134
 135                 partitions {
 136                         compatible = "fixed-partitions";
 137                         #address-cells = <1>;
 138                         #size-cells = <1>;
 139
 140                         at91bootstrap@0 {
 141                                 label = "at91bs";
 142                                 reg = <0x0 0x20000>;
 143                         };
 144
 145                         uboot@20000 {
 146                                 label = "u-boot";
 147                                 reg = <0x20000 0x80000>;
 148                         };
 149
 150                         ubootenv@a0000 {
 151                                 label = "u-boot-env";
 152                                 reg = <0xa0000 0x20000>;
 153                         };
 154
 155                         ubootenv@c0000 {
 156                                 label = "u-boot-env";
 157                                 reg = <0xc0000 0x20000>;
 158                         };
 159
 160                         kernel-a@e0000 {
 161                                 label = "kernel-a";
 162                                 reg = <0xe0000 0x500000>;
 163                         };
 164
 165                         kernel-b@5e0000 {
 166                                 label = "kernel-b";
 167                                 reg = <0x5e0000 0x500000>;
 168                         };
 169
 170                         rootfs-a@ae0000 {
 171                                 label = "rootfs-a";
 172                                 reg = <0xae0000 0x3000000>;
 173                         };
 174
 175                         rootfs-b@3ae0000 {
 176                                 label = "rootfs-b";
 177                                 reg = <0x3ae0000 0x3000000>;
 178                         };
 179
 180                         user@6ae0000 {
 181                                 label = "user";
 182                                 reg = <0x6ae0000 0x14e0000>;
 183                         };
 184                 };
 185         };
 186 };
 187
 188 &usb0 {
 189         atmel,vbus-gpio = <&pioB 13 GPIO_ACTIVE_LOW>;
 190         pinctrl-names = "default";
 191         pinctrl-0 = <&pinctrl_usba_vbus>;
 192 };
 193
 194 &usb1 {
 195         num-ports = <3>;
 196         atmel,vbus-gpio = <&pioA 2 GPIO_ACTIVE_LOW>;
 197         atmel,oc-gpio = <&pioA 4 GPIO_ACTIVE_LOW>;
 198 };