at91-wb50n.dtsi

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    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@20000000 {
   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 &mmc0 {
   50         pinctrl-names = "default";
   51         pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_cd>;
   52         cd-gpios = <&pioC 26 GPIO_ACTIVE_LOW>;
   53         slot@0 {
   54                 reg = <0>;
   55                 bus-width = <4>;
   56         };
   57 };
   58 
   59 &mmc1 {
   60         pinctrl-names = "default";
   61         pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3>;
   62         status = "okay";
   63         atheros@0 {
   64                 compatible = "atheros,ath6kl";
   65                 atheros,board-id = "SD32";
   66                 reg = <0>;
   67                 bus-width = <4>;
   68         };
   69 };
   70 
   71 &macb1 {
   72         phy-mode = "rmii";
   73 };
   74 
   75 &dbgu {
   76         dmas = <0>, <0>;        /*  Do not use DMA for dbgu */
   77 };
   78 
   79 /* On BB40 this port is labeled UART1 */
   80 &usart0 {
   81         atmel,use-dma-rx;
   82         atmel,use-dma-tx;
   83         pinctrl-names = "default";
   84         pinctrl-0 = <&pinctrl_usart0 &pinctrl_usart0_rts_cts>;
   85 };
   86 
   87 /* On BB40 this port is labeled UART0 */
   88 &usart1 {
   89         atmel,use-dma-rx;
   90         atmel,use-dma-tx;
   91         pinctrl-names = "default";
   92         pinctrl-0 = <&pinctrl_usart1 &pinctrl_usart1_rts_cts>;
   93         dtr-gpios = <&pioD 13 GPIO_ACTIVE_LOW>;
   94         dsr-gpios = <&pioD 11 GPIO_ACTIVE_LOW>;
   95         dcd-gpios = <&pioD 7 GPIO_ACTIVE_LOW>;
   96         rng-gpios = <&pioD 8 GPIO_ACTIVE_LOW>;
   97 };
   98 
   99 /* USART3 is direct-connect to the Bluetooth UART on the radio SIP */
  100 &usart3 {
  101         atmel,use-dma-rx;
  102         atmel,use-dma-tx;
  103         pinctrl-names = "default";
  104         pinctrl-0 = <&pinctrl_usart3 &pinctrl_usart3_rts_cts>;
  105         status = "okay";
  106 };
  107 
  108 &spi1 {
  109         cs-gpios = <&pioC 25 0>, <0>, <0>, <0>;
  110 };
  111 
  112 &ebi {
  113         pinctrl-0 = <&pinctrl_ebi_nand_addr>;
  114         pinctrl-names = "default";
  115         status = "okay";
  116 };
  117 
  118 &nand_controller {
  119         status = "okay";
  120 
  121         nand: nand@3 {
  122                 reg = <0x3 0x0 0x2>;
  123                 atmel,rb = <0>;
  124                 nand-bus-width = <8>;
  125                 nand-ecc-mode = "hw";
  126                 nand-ecc-strength = <8>;
  127                 nand-ecc-step-size = <512>;
  128                 nand-on-flash-bbt;
  129                 label = "atmel_nand";
  130 
  131                 partitions {
  132                         compatible = "fixed-partitions";
  133                         #address-cells = <1>;
  134                         #size-cells = <1>;
  135 
  136                         at91bootstrap@0 {
  137                                 label = "at91bs";
  138                                 reg = <0x0 0x20000>;
  139                         };
  140 
  141                         uboot@20000 {
  142                                 label = "u-boot";
  143                                 reg = <0x20000 0x80000>;
  144                         };
  145 
  146                         ubootenv@a0000 {
  147                                 label = "u-boot-env";
  148                                 reg = <0xa0000 0x20000>;
  149                         };
  150 
  151                         ubootenv@c0000 {
  152                                 label = "u-boot-env";
  153                                 reg = <0xc0000 0x20000>;
  154                         };
  155 
  156                         kernel-a@e0000 {
  157                                 label = "kernel-a";
  158                                 reg = <0xe0000 0x500000>;
  159                         };
  160 
  161                         kernel-b@5e0000 {
  162                                 label = "kernel-b";
  163                                 reg = <0x5e0000 0x500000>;
  164                         };
  165 
  166                         rootfs-a@ae0000 {
  167                                 label = "rootfs-a";
  168                                 reg = <0xae0000 0x3000000>;
  169                         };
  170 
  171                         rootfs-b@3ae0000 {
  172                                 label = "rootfs-b";
  173                                 reg = <0x3ae0000 0x3000000>;
  174                         };
  175 
  176                         user@6ae0000 {
  177                                 label = "user";
  178                                 reg = <0x6ae0000 0x14e0000>;
  179                         };
  180                 };
  181         };
  182 };
  183 
  184 &usb0 {
  185         atmel,vbus-gpio = <&pioB 13 GPIO_ACTIVE_LOW>;
  186         pinctrl-names = "default";
  187         pinctrl-0 = <&pinctrl_usba_vbus>;
  188 };
  189 
  190 &usb1 {
  191         num-ports = <3>;
  192         atmel,vbus-gpio = <&pioA 2 GPIO_ACTIVE_LOW>;
  193         atmel,oc-gpio = <&pioA 4 GPIO_ACTIVE_LOW>;
  194 };

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