1/*
2 * Device Tree for the ST-Ericsson Nomadik S8815 board
3 * Produced by Calao Systems
4 */
5
6/dts-v1/;
7#include <dt-bindings/interrupt-controller/irq.h>
8#include "ste-nomadik-stn8815.dtsi"
9
10/ {
11	model = "Calao Systems USB-S8815";
12	compatible = "calaosystems,usb-s8815";
13
14	chosen {
15		bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
16	};
17
18	src@101e0000 {
19		/* These chrystal drivers are not used on this board */
20		disable-sxtalo;
21		disable-mxtalo;
22	};
23
24	pinctrl {
25		/* Hog CD pins */
26		pinctrl-names = "default";
27		pinctrl-0 = <&cd_default_mode>;
28
29		mmcsd-cd {
30			cd_default_mode: cd_default {
31				cd_default_cfg1 {
32					/* CD input GPIO */
33					pins = "GPIO111_H21";
34					ste,input = <0>;
35				};
36				cd_default_cfg2 {
37					/* CD GPIO biasing */
38					pins = "GPIO112_J21";
39					ste,output = <0>;
40				};
41			};
42		};
43		gpioi2c {
44			gpioi2c_default_mode: gpioi2c_default {
45				gpioi2c_default_cfg {
46					pins = "GPIO73_C21", "GPIO74_C20";
47					ste,input = <0>;
48				};
49			};
50		};
51		user-led {
52			user_led_default_mode: user_led_default {
53				user_led_default_cfg {
54					pins = "GPIO2_C5";
55					ste,output = <1>;
56				};
57			};
58		};
59		user-button {
60			user_button_default_mode: user_button_default {
61				user_button_default_cfg {
62					pins = "GPIO3_A4";
63					ste,input = <0>;
64				};
65			};
66		};
67	};
68
69	/* Ethernet */
70	external-bus@34000000 {
71		compatible = "simple-bus";
72		reg = <0x34000000 0x1000000>;
73		#address-cells = <1>;
74		#size-cells = <1>;
75		ranges = <0 0x34000000 0x1000000>;
76		ethernet@300 {
77			compatible = "smsc,lan91c111";
78			reg = <0x300 0x0fd00>;
79			interrupt-parent = <&gpio3>;
80			interrupts = <8 IRQ_TYPE_EDGE_RISING>;
81		};
82	};
83
84	/* GPIO I2C connected to the USB portions of the STw4811 only */
85	gpio-i2c {
86		compatible = "i2c-gpio";
87		gpios = <&gpio2 10 0>, /* sda */
88			<&gpio2 9 0>; /* scl */
89		#address-cells = <1>;
90		#size-cells = <0>;
91		pinctrl-names = "default";
92		pinctrl-0 = <&gpioi2c_default_mode>;
93
94		stw4811@2d {
95			   compatible = "st,stw4811-usb";
96			   reg = <0x2d>;
97		};
98	};
99
100
101	/* Configure card detect for the uSD slot */
102	amba {
103		mmcsd: sdi@101f6000 {
104			cd-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>;
105		};
106	};
107
108	/* Custom board node with GPIO pins to active etc */
109	usb-s8815 {
110		/* This will bias the MMC/SD card detect line */
111		mmcsd-gpio {
112			gpios = <&gpio3 16 0x1>;
113		};
114	};
115
116	/* The user LED on the board is set up to be used for heartbeat */
117	leds {
118		compatible = "gpio-leds";
119		user-led {
120			label = "user_led";
121			gpios = <&gpio0 2 0x1>;
122			default-state = "off";
123			linux,default-trigger = "heartbeat";
124			pinctrl-names = "default";
125			pinctrl-0 = <&user_led_default_mode>;
126		};
127	};
128
129	/* User key mapped in as "escape" */
130	gpio-keys {
131		compatible = "gpio-keys";
132		user-button {
133			label = "user_button";
134			gpios = <&gpio0 3 0x1>;
135			linux,code = <1>; /* KEY_ESC */
136			gpio-key,wakeup;
137			pinctrl-names = "default";
138			pinctrl-0 = <&user_button_default_mode>;
139		};
140	};
141};
142