1// 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", "spi-flash";
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};
102