bcm2835.dtsi revision 284090 
1/include/ "skeleton.dtsi"
2
3/ {
4	compatible = "brcm,bcm2835";
5	model = "BCM2835";
6	interrupt-parent = <&intc>;
7
8	chosen {
9		bootargs = "earlyprintk console=ttyAMA0";
10	};
11
12	soc {
13		compatible = "simple-bus";
14		#address-cells = <1>;
15		#size-cells = <1>;
16		ranges = <0x7e000000 0x20000000 0x02000000>;
17
18		timer@7e003000 {
19			compatible = "brcm,bcm2835-system-timer";
20			reg = <0x7e003000 0x1000>;
21			interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
22			clock-frequency = <1000000>;
23		};
24
25		dma: dma@7e007000 {
26			compatible = "brcm,bcm2835-dma";
27			reg = <0x7e007000 0xf00>;
28			interrupts = <1 16>,
29				     <1 17>,
30				     <1 18>,
31				     <1 19>,
32				     <1 20>,
33				     <1 21>,
34				     <1 22>,
35				     <1 23>,
36				     <1 24>,
37				     <1 25>,
38				     <1 26>,
39				     <1 27>,
40				     <1 28>;
41
42			#dma-cells = <1>;
43			brcm,dma-channel-mask = <0x7f35>;
44		};
45
46		intc: interrupt-controller@7e00b200 {
47			compatible = "brcm,bcm2835-armctrl-ic";
48			reg = <0x7e00b200 0x200>;
49			interrupt-controller;
50			#interrupt-cells = <2>;
51		};
52
53		watchdog@7e100000 {
54			compatible = "brcm,bcm2835-pm-wdt";
55			reg = <0x7e100000 0x28>;
56		};
57
58		rng@7e104000 {
59			compatible = "brcm,bcm2835-rng";
60			reg = <0x7e104000 0x10>;
61		};
62
63		gpio: gpio@7e200000 {
64			compatible = "brcm,bcm2835-gpio";
65			reg = <0x7e200000 0xb4>;
66			/*
67			 * The GPIO IP block is designed for 3 banks of GPIOs.
68			 * Each bank has a GPIO interrupt for itself.
69			 * There is an overall "any bank" interrupt.
70			 * In order, these are GIC interrupts 17, 18, 19, 20.
71			 * Since the BCM2835 only has 2 banks, the 2nd bank
72			 * interrupt output appears to be mirrored onto the
73			 * 3rd bank's interrupt signal.
74			 * So, a bank0 interrupt shows up on 17, 20, and
75			 * a bank1 interrupt shows up on 18, 19, 20!
76			 */
77			interrupts = <2 17>, <2 18>, <2 19>, <2 20>;
78
79			gpio-controller;
80			#gpio-cells = <2>;
81
82			interrupt-controller;
83			#interrupt-cells = <2>;
84		};
85
86		uart@7e201000 {
87			compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell";
88			reg = <0x7e201000 0x1000>;
89			interrupts = <2 25>;
90			clock-frequency = <3000000>;
91			arm,primecell-periphid = <0x00241011>;
92		};
93
94		i2s: i2s@7e203000 {
95			compatible = "brcm,bcm2835-i2s";
96			reg = <0x7e203000 0x20>,
97			      <0x7e101098 0x02>;
98
99			dmas = <&dma 2>,
100			       <&dma 3>;
101			dma-names = "tx", "rx";
102			status = "disabled";
103		};
104
105		spi: spi@7e204000 {
106			compatible = "brcm,bcm2835-spi";
107			reg = <0x7e204000 0x1000>;
108			interrupts = <2 22>;
109			clocks = <&clk_spi>;
110			#address-cells = <1>;
111			#size-cells = <0>;
112			status = "disabled";
113		};
114
115		i2c0: i2c@20205000 {
116			compatible = "brcm,bcm2835-i2c";
117			reg = <0x7e205000 0x1000>;
118			interrupts = <2 21>;
119			clocks = <&clk_i2c>;
120			#address-cells = <1>;
121			#size-cells = <0>;
122			status = "disabled";
123		};
124
125		sdhci: sdhci@7e300000 {
126			compatible = "brcm,bcm2835-sdhci";
127			reg = <0x7e300000 0x100>;
128			interrupts = <2 30>;
129			clocks = <&clk_mmc>;
130			status = "disabled";
131		};
132
133		i2c1: i2c@7e804000 {
134			compatible = "brcm,bcm2835-i2c";
135			reg = <0x7e804000 0x1000>;
136			interrupts = <2 21>;
137			clocks = <&clk_i2c>;
138			#address-cells = <1>;
139			#size-cells = <0>;
140			status = "disabled";
141		};
142
143		usb@7e980000 {
144			compatible = "brcm,bcm2835-usb";
145			reg = <0x7e980000 0x10000>;
146			interrupts = <1 9>;
147		};
148
149		arm-pmu {
150			compatible = "arm,arm1176-pmu";
151		};
152	};
153
154	clocks {
155		compatible = "simple-bus";
156		#address-cells = <1>;
157		#size-cells = <0>;
158
159		clk_mmc: clock@0 {
160			compatible = "fixed-clock";
161			reg = <0>;
162			#clock-cells = <0>;
163			clock-output-names = "mmc";
164			clock-frequency = <100000000>;
165		};
166
167		clk_i2c: clock@1 {
168			compatible = "fixed-clock";
169			reg = <1>;
170			#clock-cells = <0>;
171			clock-output-names = "i2c";
172			clock-frequency = <250000000>;
173		};
174
175		clk_spi: clock@2 {
176			compatible = "fixed-clock";
177			reg = <2>;
178			#clock-cells = <0>;
179			clock-output-names = "spi";
180			clock-frequency = <250000000>;
181		};
182	};
183};
184