boot/dts/at91-cosino.dtsi

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  * at91-cosino.dtsi - Device Tree file for Cosino core module
0004  *
0005  * Copyright (C) 2013 - Rodolfo Giometti <giometti@linux.it>
0006  *                      HCE Engineering
0007  *
0008  * Derived from at91sam9x5ek.dtsi by:
0009  *      Copyright (C) 2012 Atmel,
0010  *      2012 Nicolas Ferre <nicolas.ferre@atmel.com>
0011  */
0012
0013 #include "at91sam9g35.dtsi"
0014
0015 / {
0016         model = "HCE Cosino core module";
0017         compatible = "hce,cosino", "atmel,at91sam9x5", "atmel,at91sam9";
0018
0019         chosen {
0020                 bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait";
0021         };
0022
0023         memory@20000000 {
0024                 reg = <0x20000000 0x8000000>;
0025         };
0026
0027         clocks {
0028                 slow_xtal {
0029                         clock-frequency = <32768>;
0030                 };
0031
0032                 main_xtal {
0033                         clock-frequency = <12000000>;
0034                 };
0035         };
0036 };
0037
0038 &adc0 {
0039         atmel,adc-ts-wires = <4>;
0040         atmel,adc-ts-pressure-threshold = <10000>;
0041         status = "okay";
0042 };
0043
0044 &dbgu {
0045         status = "okay";
0046 };
0047
0048 &ebi {
0049         pinctrl-0 = <&pinctrl_ebi_addr_nand
0050                      &pinctrl_ebi_data_0_7>;
0051         pinctrl-names = "default";
0052         status = "okay";
0053
0054         nand-controller {
0055                 pinctrl-0 = <&pinctrl_nand_oe_we
0056                              &pinctrl_nand_cs
0057                              &pinctrl_nand_rb>;
0058                 pinctrl-names = "default";
0059                 status = "okay";
0060
0061                 nand@3 {
0062                         reg = <0x3 0x0 0x800000>;
0063                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
0064                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
0065                         nand-bus-width = <8>;
0066                         nand-ecc-mode = "hw";
0067                         nand-ecc-strength = <4>;
0068                         nand-ecc-step-size = <512>;
0069                         nand-on-flash-bbt;
0070                         label = "atmel_nand";
0071
0072                         partitions {
0073                                 compatible = "fixed-partitions";
0074                                 #address-cells = <1>;
0075                                 #size-cells = <1>;
0076
0077                                 at91bootstrap@0 {
0078                                         label = "at91bootstrap";
0079                                         reg = <0x0 0x40000>;
0080                                 };
0081
0082                                 uboot@40000 {
0083                                         label = "u-boot";
0084                                         reg = <0x40000 0x80000>;
0085                                 };
0086
0087                                 ubootenv@c0000 {
0088                                         label = "U-Boot Env";
0089                                         reg = <0xc0000 0x140000>;
0090                                 };
0091
0092                                 kernel@200000 {
0093                                         label = "kernel";
0094                                         reg = <0x200000 0x600000>;
0095                                 };
0096
0097                                 rootfs@800000 {
0098                                         label = "rootfs";
0099                                         reg = <0x800000 0x0f800000>;
0100                                 };
0101                         };
0102                 };
0103         };
0104 };
0105
0106 &i2c0 {
0107         status = "okay";
0108 };
0109
0110 &mmc0 {
0111         pinctrl-0 = <
0112                 &pinctrl_board_mmc0
0113                 &pinctrl_mmc0_slot0_clk_cmd_dat0
0114                 &pinctrl_mmc0_slot0_dat1_3>;
0115         pinctrl-names = "default";
0116         status = "okay";
0117
0118         slot@0 {
0119                 reg = <0>;
0120                 bus-width = <4>;
0121                 cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
0122         };
0123 };
0124
0125 &pinctrl {
0126         mmc0 {
0127                 pinctrl_board_mmc0: mmc0-board {
0128                         atmel,pins =
0129                                 <AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;  /* PD15 gpio CD pin pull up and deglitch */
0130                 };
0131         };
0132 };
0133
0134 &tcb0 {
0135         timer@0 {
0136                 compatible = "atmel,tcb-timer";
0137                 reg = <0>;
0138         };
0139
0140         timer@1 {
0141                 compatible = "atmel,tcb-timer";
0142                 reg = <1>;
0143         };
0144 };
0145
0146 &usart0 {
0147         status = "okay";
0148 };
0149
0150 &watchdog {
0151         status = "okay";
0152 };