Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * Device Tree file for LaCie 2Big NAS |
| 4 | * |
| 5 | * Copyright (C) 2015 Seagate |
| 6 | * |
| 7 | * Author: Simon Guinot <simon.guinot@sequanux.org> |
| 8 | * |
| 9 | */ |
| 10 | |
| 11 | /dts-v1/; |
| 12 | |
| 13 | #include "kirkwood-netxbig.dtsi" |
| 14 | |
| 15 | / { |
| 16 | model = "LaCie 2Big NAS"; |
| 17 | compatible = "lacie,nas2big", "lacie,netxbig", "marvell,kirkwood-88f6282", "marvell,kirkwood"; |
| 18 | |
| 19 | memory { |
| 20 | device_type = "memory"; |
| 21 | reg = <0x00000000 0x10000000>; |
| 22 | }; |
| 23 | |
| 24 | chosen { |
| 25 | bootargs = "console=ttyS0,115200n8"; |
| 26 | stdout-path = &uart0; |
| 27 | }; |
| 28 | |
| 29 | ocp@f1000000 { |
| 30 | rtc@10300 { |
| 31 | /* The on-chip RTC is not powered (no supercap). */ |
| 32 | status = "disabled"; |
| 33 | }; |
| 34 | spi@10600 { |
| 35 | /* |
| 36 | * A NAND flash is used instead of an SPI flash for |
| 37 | * the other netxbig-compatible boards. |
| 38 | */ |
| 39 | status = "disabled"; |
| 40 | }; |
| 41 | }; |
| 42 | |
| 43 | fan { |
| 44 | /* |
| 45 | * An I2C fan controller (GMT G762) is used but alarm is |
| 46 | * wired to a separate GPIO. |
| 47 | */ |
| 48 | compatible = "gpio-fan"; |
| 49 | alarm-gpios = <&gpio0 25 GPIO_ACTIVE_LOW>; |
| 50 | }; |
| 51 | |
| 52 | regulators: regulators { |
| 53 | status = "okay"; |
| 54 | compatible = "simple-bus"; |
| 55 | #address-cells = <1>; |
| 56 | #size-cells = <0>; |
| 57 | pinctrl-names = "default"; |
| 58 | |
| 59 | regulator@2 { |
| 60 | compatible = "regulator-fixed"; |
| 61 | reg = <2>; |
| 62 | regulator-name = "hdd1power"; |
| 63 | regulator-min-microvolt = <5000000>; |
| 64 | regulator-max-microvolt = <5000000>; |
| 65 | enable-active-high; |
| 66 | regulator-always-on; |
| 67 | regulator-boot-on; |
| 68 | gpio = <&gpio0 17 GPIO_ACTIVE_HIGH>; |
| 69 | }; |
| 70 | clocks { |
| 71 | g762_clk: g762-oscillator { |
| 72 | compatible = "fixed-clock"; |
| 73 | #clock-cells = <0>; |
| 74 | clock-frequency = <32768>; |
| 75 | }; |
| 76 | }; |
| 77 | }; |
| 78 | }; |
| 79 | |
| 80 | &mdio { |
| 81 | status = "okay"; |
| 82 | |
| 83 | ethphy0: ethernet-phy@0 { |
| 84 | reg = <0>; |
| 85 | }; |
| 86 | }; |
| 87 | |
| 88 | &i2c0 { |
| 89 | status = "okay"; |
| 90 | |
| 91 | /* |
| 92 | * An external I2C RTC (Dallas DS1337S+) is used. This allows |
| 93 | * to power-up the board on an RTC alarm. The external RTC can |
| 94 | * be kept powered, even when the SoC is off. |
| 95 | */ |
| 96 | rtc@68 { |
| 97 | compatible = "dallas,ds1307"; |
| 98 | reg = <0x68>; |
| 99 | interrupts = <43>; |
| 100 | }; |
| 101 | g762@3e { |
| 102 | compatible = "gmt,g762"; |
| 103 | reg = <0x3e>; |
| 104 | clocks = <&g762_clk>; |
| 105 | }; |
| 106 | }; |
| 107 | |
| 108 | &nand { |
| 109 | chip-delay = <50>; |
| 110 | status = "okay"; |
| 111 | |
| 112 | partition@0 { |
| 113 | label = "U-Boot"; |
| 114 | reg = <0x0 0x100000>; |
| 115 | }; |
| 116 | |
| 117 | partition@100000 { |
| 118 | label = "uImage"; |
| 119 | reg = <0x100000 0x1000000>; |
| 120 | }; |
| 121 | |
| 122 | partition@1100000 { |
| 123 | label = "root"; |
| 124 | reg = <0x1100000 0x8000000>; |
| 125 | }; |
| 126 | |
| 127 | partition@9100000 { |
| 128 | label = "unused"; |
| 129 | reg = <0x9100000 0x6f00000>; |
| 130 | }; |
| 131 | }; |
| 132 | |
| 133 | &pciec { |
| 134 | status = "okay"; |
| 135 | }; |
| 136 | |
| 137 | &pcie0 { |
| 138 | status = "okay"; |
| 139 | }; |