1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Marvell OpenRD (Base|Client|Ultimate) Board Description
4 *
5 * Andrew Lunn <andrew@lunn.ch>
6 *
7 * This file contains the definitions that are common between the three
8 * variants of the Marvell Kirkwood Development Board.
9 */
10
11 #include "kirkwood.dtsi"
12 #include "kirkwood-6281.dtsi"
13
14 / {
15 memory {
16 device_type = "memory";
17 reg = <0x00000000 0x20000000>;
18 };
19
20 chosen {
21 bootargs = "console=ttyS0,115200n8";
22 stdout-path = &uart0;
23 };
24
25 ocp@f1000000 {
26 pinctrl: pin-controller@10000 {
27 pinctrl-0 = <&pmx_select28 &pmx_sdio_cd &pmx_select34>;
28 pinctrl-names = "default";
29
30 pmx_select28: pmx-select-rs232-rs485 {
31 marvell,pins = "mpp28";
32 marvell,function = "gpio";
33 };
34 pmx_sdio_cd: pmx-sdio-cd {
35 marvell,pins = "mpp29";
36 marvell,function = "gpio";
37 };
38 pmx_select34: pmx-select-uart-sd {
39 marvell,pins = "mpp34";
40 marvell,function = "gpio";
41 };
42 };
43 serial@12000 {
44 status = "okay";
45
46 };
47 sata@80000 {
48 status = "okay";
49 nr-ports = <2>;
50 };
51 mvsdio@90000 {
52 status = "okay";
53 cd-gpios = <&gpio0 29 9>;
54 };
55 gpio@10100 {
56 p28 {
57 gpio-hog;
58 gpios = <28 GPIO_ACTIVE_HIGH>;
59 /*
60 * SelRS232or485 selects between RS-232 or RS-485
61 * mode for the second UART.
62 *
63 * Low: RS-232
64 * High: RS-485
65 *
66 * To use the second UART, you need to change also
67 * the SelUARTorSD.
68 */
69 output-low;
70 line-name = "SelRS232or485";
71 };
72 };
73 gpio@10140 {
74 p2 {
75 gpio-hog;
76 gpios = <2 GPIO_ACTIVE_HIGH>;
77 /*
78 * SelUARTorSD selects between the second UART
79 * (serial@12100) and SD (mvsdio@90000).
80 *
81 * Low: UART
82 * High: SD
83 *
84 * When changing this line make sure the newly
85 * selected device node is enabled and the
86 * previously selected device node is disabled.
87 */
88 output-high; /* Select SD by default */
89 line-name = "SelUARTorSD";
90 };
91 };
92 };
93 };
94
95 &nand {
96 status = "okay";
97 pinctrl-0 = <&pmx_nand>;
98 pinctrl-names = "default";
99
100 partition@0 {
101 label = "u-boot";
102 reg = <0x0000000 0x100000>;
103 };
104
105 partition@100000 {
106 label = "uImage";
107 reg = <0x0100000 0x400000>;
108 };
109
110 partition@600000 {
111 label = "root";
112 reg = <0x0600000 0x1FA00000>;
113 };
114 };
115
116 &pciec {
117 status = "okay";
118 };
119
120 &pcie0 {
121 status = "okay";
122 };
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