1/*
2 * Support for Siemens DRACO board
3 *
4 * Copyright (C) 2014 - Lukas Stockmann <lukas.stockmann@siemens.com>
5 *
6 * This file is licensed under the terms of the GNU General Public License
7 * version 2.  This program is licensed "as is" without any warranty of any
8 * kind, whether express or implied.
9 */
10
11/dts-v1/;
12
13#include "am33xx.dtsi"
14#include "am335x-draco.dtsi"
15#include <dt-bindings/input/input.h>
16
17/ {
18	model = "Siemens DRACO";
19	compatible = "siemens,draco", "ti,am33xx";
20
21	/* ethernet alias is needed for the MAC address passing from U-Boot */
22	aliases {
23		ethernet0 = &cpsw_emac0;
24		mdio-gpio0 = &mdio0;
25	};
26
27	gpio-keys {
28		compatible = "gpio-keys";
29		button0 {
30			label = "button0";
31			gpios = <&gpio0 27 GPIO_ACTIVE_LOW>;
32			linux,code = <KEY_F1>; /* button0 */
33		};
34		button1 {
35			label = "button1";
36			gpios = <&gpio2 23 GPIO_ACTIVE_LOW>;
37			linux,code = <KEY_F2>; /* button1 */
38		};
39	};
40
41	ocp {
42		debugss: debugss@4b000000 {
43			compatible = "ti,debugss";
44			ti,hwmods = "debugss";
45			reg = <0x4b000000 1000000>;
46			status = "disabled";
47		};
48	};
49};
50
51&am33xx_pinmux {
52	pinctrl-names = "default";
53	pinctrl-0 = <&gpio_mux_pins>;
54
55	gpio_mux_pins: gpio_mux_pins {
56		pinctrl-single,pins = <
57			0x1d0 (PIN_INPUT | MUX_MODE0)	/* tms jtag */
58			0x1d4 (PIN_INPUT | MUX_MODE0)	/* tdi jtag */
59			0x1d8 (PIN_OUTPUT | MUX_MODE0)	/* tdo jtag */
60			0x1dc (PIN_INPUT | MUX_MODE0)	/* tck jtag */
61			0x1e0 (PIN_INPUT | MUX_MODE0)	/* trstn jtag */
62		>;
63	};
64
65	cpsw_default: cpsw_default {
66		pinctrl-single,pins = <
67			0x0E8 (PIN_INPUT_PULLUP | MUX_MODE7)	/* lcd_plck FIX STO should be a OUTPUT driven high*/
68			0x10c (PIN_INPUT_PULLDOWN | MUX_MODE1)	/* mii1_crs.rmii1_crs_dv */
69			0x114 (PIN_OUTPUT | MUX_MODE1)		/* mii1_txen.mii1_txen */
70			0x124 (PIN_OUTPUT | MUX_MODE1)		/* mii1_txd1.mii1_txd1 */
71			0x128 (PIN_OUTPUT | MUX_MODE1)		/* mii1_txd0.mii1_txd0 */
72			0x13c (PIN_INPUT_PULLDOWN | MUX_MODE1)	/* mii1_rxd1.mii1_rxd1 */
73			0x140 (PIN_INPUT_PULLDOWN | MUX_MODE1)	/* mii1_rxd0.mii1_rxd0 */
74			0x144 (PIN_INPUT_PULLDOWN | MUX_MODE0)	/* rmii1_refclk.rmii1_refclk */
75		>;
76	};
77
78	cpsw_sleep: cpsw_sleep {
79		pinctrl-single,pins = <
80			0x10c (PIN_INPUT_PULLDOWN | MUX_MODE7)
81			0x114 (PIN_INPUT_PULLDOWN | MUX_MODE7)
82			0x124 (PIN_INPUT_PULLDOWN | MUX_MODE7)
83			0x128 (PIN_INPUT_PULLDOWN | MUX_MODE7)
84			0x13c (PIN_INPUT_PULLDOWN | MUX_MODE7)
85			0x140 (PIN_INPUT_PULLDOWN | MUX_MODE7)
86			0x144 (PIN_INPUT_PULLDOWN | MUX_MODE7)
87		>;
88	};
89
90	davinci_mdio_default: davinci_mdio_default {
91		pinctrl-single,pins = <
92			/* MDIO */
93			0x148 (PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0)	/* mdio_data.mdio_data */
94			0x14c (PIN_OUTPUT | MUX_MODE0)			/* mdio_clk.mdio_clk */
95		>;
96	};
97
98	davinci_mdio_sleep: davinci_mdio_sleep {
99		pinctrl-single,pins = <
100			/* MDIO reset value */
101			0x148 (PIN_INPUT_PULLDOWN | MUX_MODE7)
102			0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7)
103		>;
104	};
105
106	gpio_mdio_default: gpio_mdio_default {
107		pinctrl-single,pins = <
108			/* MDIO via GPIO */
109			0x148 (PIN_INPUT | MUX_MODE7)	/* mdio_data.mdio_data GPIO0_0 */
110			0x14c (PIN_OUTPUT | MUX_MODE7)	/* mdio_clk.mdio_clk GPIO0_1 */
111		>;
112	};
113};
114
115&mac {
116	pinctrl-names = "default", "sleep";
117	pinctrl-0 = <&cpsw_default>;
118	pinctrl-1 = <&cpsw_sleep>;
119	slaves = <1>;			/* use only one emac if */
120
121	mdio0: gpio {
122		compatible = "virtual,mdio-gpio";
123		pinctrl-names = "default";
124		pinctrl-0 = <&gpio_mdio_default>;
125
126		#address-cells = <1>;
127		#size-cells = <0>;
128		gpios = <&gpio0 1 GPIO_ACTIVE_HIGH	/* MDIO-CLK */
129			 &gpio0 0 GPIO_ACTIVE_HIGH>;	/* MDIO-DATA */
130
131		phy0: ethernet-phy@1 {
132			reg = <0>;
133		};
134	};
135};
136
137/* Disable davinci/am335x mdio interface on this platform */
138&davinci_mdio {
139	pinctrl-names = "default", "sleep";
140	pinctrl-0 = <&davinci_mdio_default>;
141	pinctrl-1 = <&davinci_mdio_sleep>;
142	status = "disabled";
143};
144
145&cpsw_emac0 {
146	phy-handle = <&phy0>;
147	phy-mode = "rmii";
148};
149
150&phy_sel {
151	rmii-clock-ext;
152};
153