1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * at91sam9x5cm.dtsi - Device Tree Include file for AT91SAM9x5 CPU Module 4 * 5 * Copyright (C) 2012 Atmel, 6 * 2012 Nicolas Ferre <nicolas.ferre@atmel.com> 7 */ 8 9/ { 10 memory@20000000 { 11 reg = <0x20000000 0x8000000>; 12 }; 13 14 clocks { 15 slow_xtal { 16 clock-frequency = <32768>; 17 }; 18 19 main_xtal { 20 clock-frequency = <12000000>; 21 }; 22 }; 23 24 ahb { 25 apb { 26 tcb0: timer@f8008000 { 27 timer@0 { 28 compatible = "atmel,tcb-timer"; 29 reg = <0>; 30 }; 31 32 timer@1 { 33 compatible = "atmel,tcb-timer"; 34 reg = <1>; 35 }; 36 }; 37 38 pinctrl@fffff400 { 39 1wire_cm { 40 pinctrl_1wire_cm: 1wire_cm-0 { 41 atmel,pins = <AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PB18 multidrive, conflicts with led */ 42 }; 43 }; 44 }; 45 46 rtc@fffffeb0 { 47 status = "okay"; 48 }; 49 }; 50 51 ebi: ebi@10000000 { 52 pinctrl-0 = <&pinctrl_ebi_addr_nand 53 &pinctrl_ebi_data_0_7>; 54 pinctrl-names = "default"; 55 status = "okay"; 56 57 nand_controller: nand-controller { 58 status = "okay"; 59 pinctrl-0 = <&pinctrl_nand_oe_we 60 &pinctrl_nand_cs 61 &pinctrl_nand_rb>; 62 pinctrl-names = "default"; 63 64 nand@3 { 65 reg = <0x3 0x0 0x800000>; 66 rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>; 67 cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>; 68 nand-bus-width = <8>; 69 nand-ecc-mode = "hw"; 70 nand-ecc-strength = <2>; 71 nand-ecc-step-size = <512>; 72 nand-on-flash-bbt; 73 label = "atmel_nand"; 74 75 partitions { 76 compatible = "fixed-partitions"; 77 #address-cells = <1>; 78 #size-cells = <1>; 79 80 at91bootstrap@0 { 81 label = "at91bootstrap"; 82 reg = <0x0 0x40000>; 83 }; 84 85 uboot@40000 { 86 label = "u-boot"; 87 reg = <0x40000 0xc0000>; 88 }; 89 90 ubootenvred@100000 { 91 label = "U-Boot Env Redundant"; 92 reg = <0x100000 0x40000>; 93 }; 94 95 ubootenv@140000 { 96 label = "U-Boot Env"; 97 reg = <0x140000 0x40000>; 98 }; 99 100 dtb@180000 { 101 label = "device tree"; 102 reg = <0x180000 0x80000>; 103 }; 104 105 kernel@200000 { 106 label = "kernel"; 107 reg = <0x200000 0x600000>; 108 }; 109 110 rootfs@800000 { 111 label = "rootfs"; 112 reg = <0x800000 0x0f800000>; 113 }; 114 }; 115 }; 116 }; 117 }; 118 }; 119 120 leds { 121 compatible = "gpio-leds"; 122 123 pb18 { 124 label = "pb18"; 125 gpios = <&pioB 18 GPIO_ACTIVE_LOW>; 126 linux,default-trigger = "heartbeat"; 127 }; 128 129 pd21 { 130 label = "pd21"; 131 gpios = <&pioD 21 GPIO_ACTIVE_HIGH>; 132 }; 133 }; 134 135 1wire_cm { 136 compatible = "w1-gpio"; 137 gpios = <&pioB 18 GPIO_ACTIVE_HIGH>; 138 linux,open-drain; 139 pinctrl-names = "default"; 140 pinctrl-0 = <&pinctrl_1wire_cm>; 141 status = "okay"; 142 }; 143 144}; 145