arch/arm/boot/dts/microchip/at91-q5xr5.dts

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Device Tree file for Exegin Q5xR5 board
   4  *
   5  * Copyright (C) 2014 Owen Kirby <osk@exegin.com>
   6  */
   7
   8 /dts-v1/;
   9 #include "at91sam9g20.dtsi"
  10
  11 / {
  12         model = "Exegin Q5x (rev5)";
  13         compatible = "exegin,q5xr5", "atmel,at91sam9g20", "atmel,at91sam9";
  14
  15         chosen {
  16                 bootargs = "console=ttyS0,115200 rootfstype=squashfs,jffs2";
  17         };
  18
  19         memory {
  20                 reg = <0x20000000 0x0>;
  21         };
  22
  23         clocks {
  24                 #address-cells = <1>;
  25                 #size-cells = <1>;
  26                 ranges;
  27
  28                 main_clock: clock@0 {
  29                         compatible = "atmel,osc", "fixed-clock";
  30                         clock-frequency = <18432000>;
  31                 };
  32
  33                 slow_xtal {
  34                         clock-frequency = <32768>;
  35                 };
  36
  37                 main_xtal {
  38                         clock-frequency = <18432000>;
  39                 };
  40         };
  41 };
  42
  43 &dbgu {
  44         status = "okay";
  45 };
  46
  47 &ebi {
  48         status = "okay";
  49
  50         flash: flash@0 {
  51                 compatible = "cfi-flash";
  52                 #address-cells = <1>;
  53                 #size-cells = <1>;
  54                 reg = <0x0 0x1000000 0x800000>;
  55                 bank-width = <2>;
  56
  57                 partitions {
  58                         compatible = "fixed-partitions";
  59                         #address-cells = <1>;
  60                         #size-cells = <1>;
  61
  62                         kernel@0 {
  63                                 label = "kernel";
  64                                 reg = <0x0 0x200000>;
  65                         };
  66
  67                         rootfs@200000 {
  68                                 label = "rootfs";
  69                                 reg = <0x200000 0x600000>;
  70                         };
  71                 };
  72         };
  73 };
  74
  75 &macb0 {
  76         phy-mode = "mii";
  77         status = "okay";
  78 };
  79
  80 &pinctrl {
  81         board {
  82                 pinctrl_pck0_as_mck: pck0_as_mck {
  83                         atmel,pins = <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
  84                 };
  85         };
  86
  87         spi0 {
  88                 pinctrl_spi0: spi0-0 {
  89                         atmel,pins =
  90                                 <AT91_PIOA 0 AT91_PERIPH_A AT91_PINCTRL_NONE
  91                                  AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_NONE
  92                                  AT91_PIOA 2 AT91_PERIPH_A AT91_PINCTRL_NONE>;
  93                 };
  94
  95                 pinctrl_spi0_npcs0: spi0_npcs0 {
  96                         atmel,pins = <AT91_PIOA 3 AT91_PERIPH_A AT91_PINCTRL_NONE>;
  97                 };
  98
  99                 pinctrl_spi0_npcs1: spi0_npcs1 {
 100                         atmel,pins = <AT91_PIOC 11 AT91_PERIPH_B AT91_PINCTRL_NONE>;
 101                 };
 102         };
 103
 104         spi1 {
 105                 pinctrl_spi1: spi1-0 {
 106                         atmel,pins =
 107                                 <AT91_PIOB 0 AT91_PERIPH_A AT91_PINCTRL_NONE
 108                                  AT91_PIOB 1 AT91_PERIPH_A AT91_PINCTRL_NONE
 109                                  AT91_PIOB 2 AT91_PERIPH_A AT91_PINCTRL_NONE>;
 110                 };
 111
 112                 pinctrl_spi1_npcs0: spi1_npcs0 {
 113                         atmel,pins = <AT91_PIOB 3 AT91_PERIPH_A AT91_PINCTRL_NONE>;
 114                 };
 115
 116                 pinctrl_spi1_npcs1: spi1_npcs1 {
 117                         atmel,pins = <AT91_PIOC 5 AT91_PERIPH_B AT91_PINCTRL_NONE>;
 118                 };
 119         };
 120 };
 121
 122 &spi0 {
 123         pinctrl-names = "default";
 124         pinctrl-0 = <&pinctrl_spi0 &pinctrl_spi0_npcs0 &pinctrl_spi0_npcs1>;
 125         cs-gpios = <&pioA 3 GPIO_ACTIVE_HIGH>, <&pioC 11 GPIO_ACTIVE_LOW>, <0>, <0>;
 126         status = "okay";
 127
 128         flash@0 {
 129                 compatible = "jedec,spi-nor";
 130                 spi-max-frequency = <20000000>;
 131                 reg = <0>;
 132                 #address-cells = <1>;
 133                 #size-cells = <1>;
 134
 135                 at91boot@0 {
 136                         label = "at91boot";
 137                         reg = <0x0 0x4000>;
 138                 };
 139
 140                 uenv@4000 {
 141                         label = "uboot-env";
 142                         reg = <0x4000 0x4000>;
 143                 };
 144
 145                 uboot@8000 {
 146                         label = "uboot";
 147                         reg = <0x8000 0x3E000>;
 148                 };
 149         };
 150 };
 151
 152 &spi1 {
 153         pinctrl-names = "default";
 154         pinctrl-0 = <&pinctrl_spi1 &pinctrl_spi1_npcs0 &pinctrl_spi1_npcs1>;
 155         cs-gpios = <&pioB 3 GPIO_ACTIVE_HIGH>, <&pioC 5 GPIO_ACTIVE_LOW>, <0>, <0>;
 156         status = "okay";
 157 };
 158
 159 &usart0 {
 160         pinctrl-0 =
 161                 <&pinctrl_usart0
 162                  &pinctrl_usart0_rts
 163                  &pinctrl_usart0_cts
 164                  &pinctrl_usart0_dtr_dsr
 165                  &pinctrl_usart0_dcd
 166                  &pinctrl_usart0_ri>;
 167         status = "okay";
 168 };
 169
 170 &usb0 {
 171         num-ports = <2>;
 172         status = "okay";
 173 };
 174
 175 &usb1 {
 176         status = "okay";
 177 };
 178
 179 &watchdog {
 180         status = "okay";
 181 };