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Dennis Gilmoreae28a5f2018-06-11 19:39:53 -05001// SPDX-License-Identifier: (GPL-2.0 OR MIT)
2/*
3 * Device Tree file for SolidRun Armada 38x Microsom
4 *
5 * Copyright (C) 2015 Russell King
6 *
7 * This board is in development; the contents of this file work with
8 * the A1 rev 2.0 of the board, which does not represent final
9 * production board. Things will change, don't expect this file to
10 * remain compatible info the future.
11 */
12#include <dt-bindings/input/input.h>
13#include <dt-bindings/gpio/gpio.h>
14
15/ {
16 memory {
17 device_type = "memory";
18 reg = <0x00000000 0x10000000>; /* 256 MB */
19 };
20
21 soc {
22 ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
23 MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
24 MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
25 MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000
26 MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>;
27
28 internal-regs {
29 rtc@a3800 {
30 /*
31 * If the rtc doesn't work, run "date reset"
32 * twice in u-boot.
33 */
34 status = "okay";
35 };
36 };
37 };
38};
39
40&eth0 {
41 /* ethernet@70000 */
42 mac-address = [00 50 43 02 02 01];
43 pinctrl-0 = <&ge0_rgmii_pins>;
44 pinctrl-names = "default";
45 phy = <&phy_dedicated>;
46 phy-mode = "rgmii-id";
47 status = "okay";
48};
49
50&mdio {
51 /*
52 * Add the phy clock here, so the phy can be accessed to read its
53 * IDs prior to binding with the driver.
54 */
55 pinctrl-0 = <&mdio_pins &microsom_phy_clk_pins>;
56 pinctrl-names = "default";
57
58 phy_dedicated: ethernet-phy@0 {
59 /*
60 * Annoyingly, the marvell phy driver configures the LED
61 * register, rather than preserving reset-loaded setting.
62 * We undo that rubbish here.
63 */
64 marvell,reg-init = <3 16 0 0x101e>;
65 reg = <0>;
66 };
67};
68
69&pinctrl {
70 microsom_phy_clk_pins: microsom-phy-clk-pins {
71 marvell,pins = "mpp45";
72 marvell,function = "ref";
73 };
74 /* Optional eMMC */
75 microsom_sdhci_pins: microsom-sdhci-pins {
76 marvell,pins = "mpp21", "mpp28", "mpp37",
77 "mpp38", "mpp39", "mpp40";
78 marvell,function = "sd0";
79 };
80};
81
82&spi1 {
83 /* The microsom has an optional W25Q32 on board, connected to CS0 */
84 pinctrl-0 = <&spi1_pins>;
85
86 w25q32: spi-flash@0 {
87 #address-cells = <1>;
88 #size-cells = <1>;
89 compatible = "w25q32", "jedec,spi-nor";
90 reg = <0>; /* Chip select 0 */
91 spi-max-frequency = <3000000>;
92 status = "disabled";
93 };
94};
95
96&uart0 {
97 pinctrl-0 = <&uart0_pins>;
98 pinctrl-names = "default";
99 status = "okay";
100 u-boot,dm-pre-reloc;
101};