GNU Linux-libre 4.19.264-gnu1
[releases.git] / arch / arm / boot / dts / kirkwood-nas2big.dts
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 };