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#include <dt-bindings/input/input.h>
8#include <dt-bindings/gpio/gpio.h>
9
10/ {
11	memory {
12		device_type = "memory";
13		reg = <0x00000000 0x10000000>; /* 256 MB */
14	};
15
16	soc {
17		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
18			  MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
19			  MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
20			  MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000
21			  MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>;
22
23		internal-regs {
24			rtc@a3800 {
25				/*
26				 * If the rtc doesn't work, run "date reset"
27				 * twice in u-boot.
28				 */
29				status = "okay";
30			};
31		};
32	};
33};
34
35&bm {
36	status = "okay";
37};
38
39&bm_bppi {
40	status = "okay";
41};
42
43&eth0 {
44	/* ethernet@70000 */
45	pinctrl-0 = <&ge0_rgmii_pins>;
46	pinctrl-names = "default";
47	phy = <&phy_dedicated>;
48	phy-mode = "rgmii-id";
49	buffer-manager = <&bm>;
50	bm,pool-long = <0>;
51	bm,pool-short = <1>;
52	status = "okay";
53};
54
55&mdio {
56	/*
57	 * Add the phy clock here, so the phy can be accessed to read its
58	 * IDs prior to binding with the driver.
59	 */
60	pinctrl-0 = <&mdio_pins &microsom_phy_clk_pins>;
61	pinctrl-names = "default";
62
63	phy_dedicated: ethernet-phy@0 {
64		/*
65		 * Annoyingly, the marvell phy driver configures the LED
66		 * register, rather than preserving reset-loaded setting.
67		 * We undo that rubbish here.
68		 */
69		marvell,reg-init = <3 16 0 0x101e>;
70		reg = <0>;
71	};
72};
73
74&i2c0 {
75	clock-frequency = <400000>;
76	pinctrl-0 = <&i2c0_pins>;
77	pinctrl-names = "default";
78	status = "okay";
79
80	eeprom@53 {
81		compatible = "atmel,24c02";
82		reg = <0x53>;
83		pagesize = <16>;
84	};
85};
86
87&pinctrl {
88	microsom_phy_clk_pins: microsom-phy-clk-pins {
89		marvell,pins = "mpp45";
90		marvell,function = "ref";
91	};
92	/* Optional eMMC */
93	microsom_sdhci_pins: microsom-sdhci-pins {
94		marvell,pins = "mpp21", "mpp28", "mpp37",
95			       "mpp38", "mpp39", "mpp40";
96		marvell,function = "sd0";
97	};
98};
99
100&spi1 {
101	/* The microsom has an optional W25Q32 on board, connected to CS0 */
102	pinctrl-0 = <&spi1_pins>;
103
104	w25q32: flash@0 {
105		#address-cells = <1>;
106		#size-cells = <1>;
107		compatible = "w25q32", "jedec,spi-nor";
108		reg = <0>; /* Chip select 0 */
109		spi-max-frequency = <3000000>;
110	};
111};
112
113&uart0 {
114	pinctrl-0 = <&uart0_pins>;
115	pinctrl-names = "default";
116	status = "okay";
117};
118