1/*
  2 * Device Tree file for SolidRun Armada 38x Microsom
  3 *
  4 *  Copyright (C) 2015 Russell King
  5 *
  6 * This board is in development; the contents of this file work with
  7 * the A1 rev 2.0 of the board, which does not represent final
  8 * production board.  Things will change, don't expect this file to
  9 * remain compatible info the future.
 10 *
 11 * This file is dual-licensed: you can use it either under the terms
 12 * of the GPL or the X11 license, at your option. Note that this dual
 13 * licensing only applies to this file, and not this project as a
 14 * whole.
 15 *
 16 *  a) This file is free software; you can redistribute it and/or
 17 *     modify it under the terms of the GNU General Public License
 18 *     version 2 as published by the Free Software Foundation.
 19 *
 20 *     This file is distributed in the hope that it will be useful
 21 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 22 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 23 *     GNU General Public License for more details.
 24 *
 25 * Or, alternatively
 26 *
 27 *  b) Permission is hereby granted, free of charge, to any person
 28 *     obtaining a copy of this software and associated documentation
 29 *     files (the "Software"), to deal in the Software without
 30 *     restriction, including without limitation the rights to use
 31 *     copy, modify, merge, publish, distribute, sublicense, and/or
 32 *     sell copies of the Software, and to permit persons to whom the
 33 *     Software is furnished to do so, subject to the following
 34 *     conditions:
 35 *
 36 *     The above copyright notice and this permission notice shall be
 37 *     included in all copies or substantial portions of the Software.
 38 *
 39 *     THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
 40 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 41 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 42 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 43 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
 44 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 45 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 46 *     OTHER DEALINGS IN THE SOFTWARE.
 47 */
 48#include <dt-bindings/input/input.h>
 49#include <dt-bindings/gpio/gpio.h>
 50
 51/ {
 52	memory {
 53		device_type = "memory";
 54		reg = <0x00000000 0x10000000>; /* 256 MB */
 55	};
 56
 57	soc {
 58		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
 59			  MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
 60			  MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
 61			  MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000
 62			  MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>;
 63
 64		internal-regs {
 65			ethernet@70000 {
 66				pinctrl-0 = <&ge0_rgmii_pins>;
 67				pinctrl-names = "default";
 68				phy = <&phy_dedicated>;
 69				phy-mode = "rgmii-id";
 70				buffer-manager = <&bm>;
 71				bm,pool-long = <0>;
 72				bm,pool-short = <1>;
 73				status = "okay";
 74			};
 75
 76			mdio@72004 {
 77				/*
 78				 * Add the phy clock here, so the phy can be
 79				 * accessed to read its IDs prior to binding
 80				 * with the driver.
 81				 */
 82				pinctrl-0 = <&mdio_pins &microsom_phy_clk_pins>;
 83				pinctrl-names = "default";
 84
 85				phy_dedicated: ethernet-phy@0 {
 86					/*
 87					 * Annoyingly, the marvell phy driver
 88					 * configures the LED register, rather
 89					 * than preserving reset-loaded setting.
 90					 * We undo that rubbish here.
 91					 */
 92					marvell,reg-init = <3 16 0 0x101e>;
 93					reg = <0>;
 94				};
 95			};
 96
 97			pinctrl@18000 {
 98				microsom_phy_clk_pins: microsom-phy-clk-pins {
 99					marvell,pins = "mpp45";
100					marvell,function = "ref";
101				};
102			};
103
104			rtc@a3800 {
105				/*
106				 * If the rtc doesn't work, run "date reset"
107				 * twice in u-boot.
108				 */
109				status = "okay";
110			};
111
112			serial@12000 {
113				pinctrl-0 = <&uart0_pins>;
114				pinctrl-names = "default";
115				status = "okay";
116			};
117
118			bm@c8000 {
119				status = "okay";
120			};
121		};
122
123		bm-bppi {
124			status = "okay";
125		};
126
127	};
128};